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-rw-r--r--libs/ui/Android.mk1
-rw-r--r--libs/ui/EventHub.cpp154
-rw-r--r--libs/ui/GraphicBuffer.cpp20
-rw-r--r--libs/ui/Input.cpp8
-rw-r--r--libs/ui/InputDispatcher.cpp197
-rw-r--r--libs/ui/InputReader.cpp117
-rw-r--r--libs/ui/InputTransport.cpp27
-rw-r--r--libs/ui/KeyCharacterMap.cpp938
-rw-r--r--libs/ui/KeyLayoutMap.cpp373
-rw-r--r--libs/ui/KeyLayoutMap.h31
-rw-r--r--libs/ui/Keyboard.cpp244
-rw-r--r--libs/ui/tests/InputDispatcher_test.cpp5
-rw-r--r--libs/ui/tests/InputPublisherAndConsumer_test.cpp14
-rw-r--r--libs/ui/tests/InputReader_test.cpp111
14 files changed, 1668 insertions, 572 deletions
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index c4a09d6..61d8abd 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -10,6 +10,7 @@ LOCAL_SRC_FILES:= \
GraphicBufferAllocator.cpp \
GraphicBufferMapper.cpp \
GraphicLog.cpp \
+ Keyboard.cpp \
KeyLayoutMap.cpp \
KeyCharacterMap.cpp \
Input.cpp \
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 41daa9c..f468217 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -16,7 +16,6 @@
//#define LOG_NDEBUG 0
#include <ui/EventHub.h>
-#include <ui/KeycodeLabels.h>
#include <hardware_legacy/power.h>
#include <cutils/properties.h>
@@ -33,7 +32,7 @@
#include <errno.h>
#include <assert.h>
-#include "KeyLayoutMap.h"
+#include <ui/KeyLayoutMap.h>
#include <string.h>
#include <stdint.h>
@@ -94,7 +93,7 @@ static inline const char* toString(bool value) {
EventHub::device_t::device_t(int32_t _id, const char* _path, const char* name)
: id(_id), path(_path), name(name), classes(0)
- , keyBitmask(NULL), layoutMap(new KeyLayoutMap()), fd(-1), next(NULL) {
+ , keyBitmask(NULL), layoutMap(NULL), fd(-1), next(NULL) {
}
EventHub::device_t::~device_t() {
@@ -103,7 +102,7 @@ EventHub::device_t::~device_t() {
}
EventHub::EventHub(void)
- : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(0)
+ : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(-1)
, mDevicesById(0), mNumDevicesById(0)
, mOpeningDevices(0), mClosingDevices(0)
, mDevices(0), mFDs(0), mFDCount(0), mOpened(false), mNeedToSendFinishedDeviceScan(false)
@@ -204,8 +203,12 @@ int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
}
int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const {
+ if (!device->layoutMap) {
+ return AKEY_STATE_UNKNOWN;
+ }
+
Vector<int32_t> scanCodes;
- device->layoutMap->findScancodes(keyCode, &scanCodes);
+ device->layoutMap->findScanCodes(keyCode, &scanCodes);
uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
memset(key_bitmask, 0, sizeof(key_bitmask));
@@ -273,7 +276,7 @@ bool EventHub::markSupportedKeyCodesLocked(device_t* device, size_t numCodes,
for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
scanCodes.clear();
- status_t err = device->layoutMap->findScancodes(keyCodes[codeIndex], &scanCodes);
+ status_t err = device->layoutMap->findScanCodes(keyCodes[codeIndex], &scanCodes);
if (! err) {
// check the possible scan codes identified by the layout map against the
// map of codes actually emitted by the driver
@@ -325,6 +328,39 @@ void EventHub::addExcludedDevice(const char* deviceName)
mExcludedDevices.push_back(name);
}
+bool EventHub::hasLed(int32_t deviceId, int32_t led) const {
+ AutoMutex _l(mLock);
+ device_t* device = getDeviceLocked(deviceId);
+ if (device) {
+ uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)];
+ memset(bitmask, 0, sizeof(bitmask));
+ if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) {
+ if (test_bit(led, bitmask)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
+ AutoMutex _l(mLock);
+ device_t* device = getDeviceLocked(deviceId);
+ if (device) {
+ struct input_event ev;
+ ev.time.tv_sec = 0;
+ ev.time.tv_usec = 0;
+ ev.type = EV_LED;
+ ev.code = led;
+ ev.value = on ? 1 : 0;
+
+ ssize_t nWrite;
+ do {
+ nWrite = write(device->fd, &ev, sizeof(struct input_event));
+ } while (nWrite == -1 && errno == EINTR);
+ }
+}
+
EventHub::device_t* EventHub::getDeviceLocked(int32_t deviceId) const
{
if (deviceId == 0) deviceId = mFirstKeyboardId;
@@ -415,14 +451,14 @@ bool EventHub::getEvent(RawEvent* outEvent)
}
outEvent->type = iev.type;
outEvent->scanCode = iev.code;
+ outEvent->flags = 0;
if (iev.type == EV_KEY) {
- status_t err = device->layoutMap->map(iev.code,
- & outEvent->keyCode, & outEvent->flags);
- LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n",
- iev.code, outEvent->keyCode, outEvent->flags, err);
- if (err != 0) {
- outEvent->keyCode = AKEYCODE_UNKNOWN;
- outEvent->flags = 0;
+ outEvent->keyCode = AKEYCODE_UNKNOWN;
+ if (device->layoutMap) {
+ status_t err = device->layoutMap->map(iev.code,
+ &outEvent->keyCode, &outEvent->flags);
+ LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n",
+ iev.code, outEvent->keyCode, outEvent->flags, err);
}
} else {
outEvent->keyCode = iev.code;
@@ -763,54 +799,44 @@ int EventHub::openDevice(const char *deviceName) {
#endif
if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
- char tmpfn[sizeof(name)];
- char keylayoutFilename[300];
-
// a more descriptive name
device->name = name;
- // replace all the spaces with underscores
- strcpy(tmpfn, name);
- for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' '))
- *p = '_';
-
- // find the .kl file we need for this device
- const char* root = getenv("ANDROID_ROOT");
- snprintf(keylayoutFilename, sizeof(keylayoutFilename),
- "%s/usr/keylayout/%s.kl", root, tmpfn);
- bool defaultKeymap = false;
- if (access(keylayoutFilename, R_OK)) {
- snprintf(keylayoutFilename, sizeof(keylayoutFilename),
- "%s/usr/keylayout/%s", root, "qwerty.kl");
- defaultKeymap = true;
- }
- status_t status = device->layoutMap->load(keylayoutFilename);
- if (status) {
- LOGE("Error %d loading key layout.", status);
- }
+ // Configure the keymap for the device.
+
+ configureKeyMap(device);
- // tell the world about the devname (the descriptive name)
- if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
+ // Tell the world about the devname (the descriptive name)
+ if (!mHaveFirstKeyboard && !device->keyMapInfo.isDefaultKeyMap && strstr(name, "-keypad")) {
// the built-in keyboard has a well-known device ID of 0,
// this device better not go away.
mHaveFirstKeyboard = true;
mFirstKeyboardId = device->id;
- property_set("hw.keyboards.0.devname", name);
+ setKeyboardProperties(device, true);
} else {
// ensure mFirstKeyboardId is set to -something-.
- if (mFirstKeyboardId == 0) {
+ if (mFirstKeyboardId == -1) {
mFirstKeyboardId = device->id;
+ setKeyboardProperties(device, true);
+ }
+ }
+ setKeyboardProperties(device, false);
+
+ // Load the keylayout.
+ if (!device->keyMapInfo.keyLayoutFile.isEmpty()) {
+ status_t status = KeyLayoutMap::load(device->keyMapInfo.keyLayoutFile,
+ &device->layoutMap);
+ if (status) {
+ LOGE("Error %d loading key layout file '%s'.", status,
+ device->keyMapInfo.keyLayoutFile.string());
}
}
- char propName[100];
- sprintf(propName, "hw.keyboards.%u.devname", device->id);
- property_set(propName, name);
// 'Q' key support = cheap test of whether this is an alpha-capable kbd
if (hasKeycodeLocked(device, AKEYCODE_Q)) {
device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
}
-
+
// See if this device has a DPAD.
if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
@@ -819,7 +845,7 @@ int EventHub::openDevice(const char *deviceName) {
hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
device->classes |= INPUT_DEVICE_CLASS_DPAD;
}
-
+
// See if this device has a gamepad.
for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) {
if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
@@ -828,8 +854,10 @@ int EventHub::openDevice(const char *deviceName) {
}
}
- LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
- device->id, name, propName, keylayoutFilename);
+ LOGI("New keyboard: device->id=0x%x devname='%s' keylayout='%s' keycharactermap='%s'\n",
+ device->id, name,
+ device->keyMapInfo.keyLayoutFile.string(),
+ device->keyMapInfo.keyCharacterMapFile.string());
}
// If the device isn't recognized as something we handle, don't monitor it.
@@ -855,6 +883,20 @@ int EventHub::openDevice(const char *deviceName) {
return 0;
}
+void EventHub::configureKeyMap(device_t* device) {
+ android::resolveKeyMap(device->name, device->keyMapInfo);
+}
+
+void EventHub::setKeyboardProperties(device_t* device, bool firstKeyboard) {
+ int32_t id = firstKeyboard ? 0 : device->id;
+ android::setKeyboardProperties(id, device->name, device->keyMapInfo);
+}
+
+void EventHub::clearKeyboardProperties(device_t* device, bool firstKeyboard) {
+ int32_t id = firstKeyboard ? 0 : device->id;
+ android::clearKeyboardProperties(id);
+}
+
bool EventHub::hasKeycodeLocked(device_t* device, int keycode) const
{
if (device->keyBitmask == NULL || device->layoutMap == NULL) {
@@ -862,7 +904,7 @@ bool EventHub::hasKeycodeLocked(device_t* device, int keycode) const
}
Vector<int32_t> scanCodes;
- device->layoutMap->findScancodes(keycode, &scanCodes);
+ device->layoutMap->findScanCodes(keycode, &scanCodes);
const size_t N = scanCodes.size();
for (size_t i=0; i<N && i<=KEY_MAX; i++) {
int32_t sc = scanCodes.itemAt(i);
@@ -912,13 +954,10 @@ int EventHub::closeDevice(const char *deviceName) {
if (device->id == mFirstKeyboardId) {
LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this",
device->path.string(), mFirstKeyboardId);
- mFirstKeyboardId = 0;
- property_set("hw.keyboards.0.devname", NULL);
+ mFirstKeyboardId = -1;
+ clearKeyboardProperties(device, true);
}
- // clear the property
- char propName[100];
- sprintf(propName, "hw.keyboards.%u.devname", device->id);
- property_set(propName, NULL);
+ clearKeyboardProperties(device, false);
return 0;
}
}
@@ -1017,7 +1056,14 @@ void EventHub::dump(String8& dump) {
}
dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes);
dump.appendFormat(INDENT3 "Path: %s\n", device->path.string());
- dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", device->keylayoutFilename.string());
+ dump.appendFormat(INDENT3 "IsDefaultKeyMap: %s\n",
+ toString(device->keyMapInfo.isDefaultKeyMap));
+ dump.appendFormat(INDENT3 "KeyMapName: %s\n",
+ device->keyMapInfo.keyMapName.string());
+ dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n",
+ device->keyMapInfo.keyLayoutFile.string());
+ dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n",
+ device->keyMapInfo.keyCharacterMapFile.string());
}
}
} // release lock
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 519c277..436e064 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -77,6 +77,19 @@ GraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h,
handle = inHandle;
}
+GraphicBuffer::GraphicBuffer(android_native_buffer_t* buffer, bool keepOwnership)
+ : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
+ mBufferMapper(GraphicBufferMapper::get()),
+ mInitCheck(NO_ERROR), mIndex(-1), mWrappedBuffer(buffer)
+{
+ width = buffer->width;
+ height = buffer->height;
+ stride = buffer->stride;
+ format = buffer->format;
+ usage = buffer->usage;
+ handle = buffer->handle;
+}
+
GraphicBuffer::~GraphicBuffer()
{
if (handle) {
@@ -87,12 +100,14 @@ GraphicBuffer::~GraphicBuffer()
void GraphicBuffer::free_handle()
{
if (mOwner == ownHandle) {
+ mBufferMapper.unregisterBuffer(handle);
native_handle_close(handle);
native_handle_delete(const_cast<native_handle*>(handle));
} else if (mOwner == ownData) {
GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
allocator.free(handle);
}
+ mWrappedBuffer = 0;
}
status_t GraphicBuffer::initCheck() const {
@@ -253,6 +268,11 @@ status_t GraphicBuffer::unflatten(void const* buffer, size_t size,
}
mOwner = ownHandle;
+
+ if (handle != 0) {
+ mBufferMapper.registerBuffer(handle);
+ }
+
return NO_ERROR;
}
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index 811edaf..944a79b 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -33,6 +33,7 @@ bool KeyEvent::hasDefaultAction(int32_t keyCode) {
case AKEYCODE_ENDCALL:
case AKEYCODE_VOLUME_UP:
case AKEYCODE_VOLUME_DOWN:
+ case AKEYCODE_VOLUME_MUTE:
case AKEYCODE_POWER:
case AKEYCODE_CAMERA:
case AKEYCODE_HEADSETHOOK:
@@ -40,11 +41,14 @@ bool KeyEvent::hasDefaultAction(int32_t keyCode) {
case AKEYCODE_NOTIFICATION:
case AKEYCODE_FOCUS:
case AKEYCODE_SEARCH:
+ case AKEYCODE_MEDIA_PLAY:
+ case AKEYCODE_MEDIA_PAUSE:
case AKEYCODE_MEDIA_PLAY_PAUSE:
case AKEYCODE_MEDIA_STOP:
case AKEYCODE_MEDIA_NEXT:
case AKEYCODE_MEDIA_PREVIOUS:
case AKEYCODE_MEDIA_REWIND:
+ case AKEYCODE_MEDIA_RECORD:
case AKEYCODE_MEDIA_FAST_FORWARD:
case AKEYCODE_MUTE:
return true;
@@ -67,14 +71,18 @@ bool KeyEvent::isSystemKey(int32_t keyCode) {
case AKEYCODE_ENDCALL:
case AKEYCODE_VOLUME_UP:
case AKEYCODE_VOLUME_DOWN:
+ case AKEYCODE_VOLUME_MUTE:
case AKEYCODE_MUTE:
case AKEYCODE_POWER:
case AKEYCODE_HEADSETHOOK:
+ case AKEYCODE_MEDIA_PLAY:
+ case AKEYCODE_MEDIA_PAUSE:
case AKEYCODE_MEDIA_PLAY_PAUSE:
case AKEYCODE_MEDIA_STOP:
case AKEYCODE_MEDIA_NEXT:
case AKEYCODE_MEDIA_PREVIOUS:
case AKEYCODE_MEDIA_REWIND:
+ case AKEYCODE_MEDIA_RECORD:
case AKEYCODE_MEDIA_FAST_FORWARD:
case AKEYCODE_CAMERA:
case AKEYCODE_FOCUS:
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 28ccc43..db7d448 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -51,9 +51,6 @@
namespace android {
-// Delay before reporting long touch events to the power manager.
-const nsecs_t LONG_TOUCH_DELAY = 300 * 1000000LL; // 300 ms
-
// Default input dispatching timeout if there is no focused application or paused window
// from which to determine an appropriate dispatching timeout.
const nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
@@ -160,6 +157,10 @@ bool InputWindow::isTrustedOverlay() const {
|| layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
}
+bool InputWindow::supportsSplitTouch() const {
+ return layoutParamsFlags & InputWindow::FLAG_SPLIT_TOUCH;
+}
+
// --- InputDispatcher ---
@@ -1113,8 +1114,7 @@ int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
}
// Figure out whether splitting will be allowed for this window.
- if (newTouchedWindow
- && (newTouchedWindow->layoutParamsFlags & InputWindow::FLAG_SPLIT_TOUCH)) {
+ if (newTouchedWindow && newTouchedWindow->supportsSplitTouch()) {
// New window supports splitting.
isSplit = true;
} else if (isSplit) {
@@ -1163,7 +1163,10 @@ int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
// If the pointer is not currently down, then ignore the event.
if (! mTempTouchState.down) {
- LOGI("Dropping event because the pointer is not down.");
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ LOGD("Dropping event because the pointer is not down or we previously "
+ "dropped the pointer down event.");
+#endif
injectionResult = INPUT_EVENT_INJECTION_FAILED;
goto Failed;
}
@@ -1405,25 +1408,25 @@ String8 InputDispatcher::getApplicationWindowLabelLocked(const InputApplication*
void InputDispatcher::pokeUserActivityLocked(const EventEntry* eventEntry) {
int32_t eventType = POWER_MANAGER_BUTTON_EVENT;
- if (eventEntry->type == EventEntry::TYPE_MOTION) {
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_MOTION: {
const MotionEntry* motionEntry = static_cast<const MotionEntry*>(eventEntry);
+ if (motionEntry->action == AMOTION_EVENT_ACTION_CANCEL) {
+ return;
+ }
+
if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
- switch (motionEntry->action) {
- case AMOTION_EVENT_ACTION_DOWN:
- eventType = POWER_MANAGER_TOUCH_EVENT;
- break;
- case AMOTION_EVENT_ACTION_UP:
- eventType = POWER_MANAGER_TOUCH_UP_EVENT;
- break;
- default:
- if (motionEntry->eventTime - motionEntry->downTime < LONG_TOUCH_DELAY) {
- eventType = POWER_MANAGER_TOUCH_EVENT;
- } else {
- eventType = POWER_MANAGER_LONG_TOUCH_EVENT;
- }
- break;
- }
+ eventType = POWER_MANAGER_TOUCH_EVENT;
}
+ break;
+ }
+ case EventEntry::TYPE_KEY: {
+ const KeyEntry* keyEntry = static_cast<const KeyEntry*>(eventEntry);
+ if (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED) {
+ return;
+ }
+ break;
+ }
}
CommandEntry* commandEntry = postCommandLocked(
@@ -1753,13 +1756,14 @@ void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
}
void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
- const sp<Connection>& connection) {
+ const sp<Connection>& connection, bool handled) {
#if DEBUG_DISPATCH_CYCLE
LOGD("channel '%s' ~ finishDispatchCycle - %01.1fms since event, "
- "%01.1fms since dispatch",
+ "%01.1fms since dispatch, handled=%s",
connection->getInputChannelName(),
connection->getEventLatencyMillis(currentTime),
- connection->getDispatchLatencyMillis(currentTime));
+ connection->getDispatchLatencyMillis(currentTime),
+ toString(handled));
#endif
if (connection->status == Connection::STATUS_BROKEN
@@ -1767,9 +1771,6 @@ void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
return;
}
- // Notify other system components.
- onDispatchCycleFinishedLocked(currentTime, connection);
-
// Reset the publisher since the event has been consumed.
// We do this now so that the publisher can release some of its internal resources
// while waiting for the next dispatch cycle to begin.
@@ -1781,7 +1782,8 @@ void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
return;
}
- startNextDispatchCycleLocked(currentTime, connection);
+ // Notify other system components and prepare to start the next dispatch cycle.
+ onDispatchCycleFinishedLocked(currentTime, connection, handled);
}
void InputDispatcher::startNextDispatchCycleLocked(nsecs_t currentTime,
@@ -1881,7 +1883,8 @@ int InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data
return 1;
}
- status_t status = connection->inputPublisher.receiveFinishedSignal();
+ bool handled = false;
+ status_t status = connection->inputPublisher.receiveFinishedSignal(handled);
if (status) {
LOGE("channel '%s' ~ Failed to receive finished signal. status=%d",
connection->getInputChannelName(), status);
@@ -1890,7 +1893,7 @@ int InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data
return 0; // remove the callback
}
- d->finishDispatchCycleLocked(currentTime, connection);
+ d->finishDispatchCycleLocked(currentTime, connection, handled);
d->runCommandsLockedInterruptible();
return 1;
} // release lock
@@ -2615,6 +2618,77 @@ void InputDispatcher::setInputDispatchMode(bool enabled, bool frozen) {
}
}
+bool InputDispatcher::transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) {
+#if DEBUG_FOCUS
+ LOGD("transferTouchFocus: fromChannel=%s, toChannel=%s",
+ fromChannel->getName().string(), toChannel->getName().string());
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ const InputWindow* fromWindow = getWindowLocked(fromChannel);
+ const InputWindow* toWindow = getWindowLocked(toChannel);
+ if (! fromWindow || ! toWindow) {
+#if DEBUG_FOCUS
+ LOGD("Cannot transfer focus because from or to window not found.");
+#endif
+ return false;
+ }
+ if (fromWindow == toWindow) {
+#if DEBUG_FOCUS
+ LOGD("Trivial transfer to same window.");
+#endif
+ return true;
+ }
+
+ bool found = false;
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTouchState.windows[i];
+ if (touchedWindow.window == fromWindow) {
+ int32_t oldTargetFlags = touchedWindow.targetFlags;
+ BitSet32 pointerIds = touchedWindow.pointerIds;
+
+ mTouchState.windows.removeAt(i);
+
+ int32_t newTargetFlags = oldTargetFlags
+ & (InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_SPLIT);
+ mTouchState.addOrUpdateWindow(toWindow, newTargetFlags, pointerIds);
+
+ found = true;
+ break;
+ }
+ }
+
+ if (! found) {
+#if DEBUG_FOCUS
+ LOGD("Focus transfer failed because from window did not have focus.");
+#endif
+ return false;
+ }
+
+ ssize_t fromConnectionIndex = getConnectionIndexLocked(fromChannel);
+ ssize_t toConnectionIndex = getConnectionIndexLocked(toChannel);
+ if (fromConnectionIndex >= 0 && toConnectionIndex >= 0) {
+ sp<Connection> fromConnection = mConnectionsByReceiveFd.valueAt(fromConnectionIndex);
+ sp<Connection> toConnection = mConnectionsByReceiveFd.valueAt(toConnectionIndex);
+
+ fromConnection->inputState.copyPointerStateTo(toConnection->inputState);
+ synthesizeCancelationEventsForConnectionLocked(fromConnection,
+ InputState::CANCEL_POINTER_EVENTS,
+ "transferring touch focus from this window to another window");
+ }
+
+#if DEBUG_FOCUS
+ logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+ return true;
+}
+
void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
#if DEBUG_FOCUS
LOGD("Resetting and dropping all events (%s).", reason);
@@ -2721,7 +2795,7 @@ void InputDispatcher::dumpDispatchStateLocked(String8& dump) {
dump.append(INDENT "ActiveConnections:\n");
for (size_t i = 0; i < mActiveConnections.size(); i++) {
const Connection* connection = mActiveConnections[i];
- dump.appendFormat(INDENT2 "%d: '%s', status=%s, outboundQueueLength=%u"
+ dump.appendFormat(INDENT2 "%d: '%s', status=%s, outboundQueueLength=%u, "
"inputState.isNeutral=%s\n",
i, connection->getInputChannelName(), connection->getStatusLabel(),
connection->outboundQueue.count(),
@@ -2852,7 +2926,11 @@ void InputDispatcher::onDispatchCycleStartedLocked(
}
void InputDispatcher::onDispatchCycleFinishedLocked(
- nsecs_t currentTime, const sp<Connection>& connection) {
+ nsecs_t currentTime, const sp<Connection>& connection, bool handled) {
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doDispatchCycleFinishedLockedInterruptible);
+ commandEntry->connection = connection;
+ commandEntry->handled = handled;
}
void InputDispatcher::onDispatchCycleBrokenLocked(
@@ -2921,9 +2999,7 @@ void InputDispatcher::doNotifyANRLockedInterruptible(
void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
CommandEntry* commandEntry) {
KeyEntry* entry = commandEntry->keyEntry;
- mReusableKeyEvent.initialize(entry->deviceId, entry->source, entry->action, entry->flags,
- entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
- entry->downTime, entry->eventTime);
+ initializeKeyEvent(&mReusableKeyEvent, entry);
mLock.unlock();
@@ -2938,6 +3014,31 @@ void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
mAllocator.releaseKeyEntry(entry);
}
+void InputDispatcher::doDispatchCycleFinishedLockedInterruptible(
+ CommandEntry* commandEntry) {
+ sp<Connection> connection = commandEntry->connection;
+ bool handled = commandEntry->handled;
+
+ if (!handled && !connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
+ if (dispatchEntry->inProgress
+ && dispatchEntry->hasForegroundTarget()
+ && dispatchEntry->eventEntry->type == EventEntry::TYPE_KEY) {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+ initializeKeyEvent(&mReusableKeyEvent, keyEntry);
+
+ mLock.unlock();
+
+ mPolicy->dispatchUnhandledKey(connection->inputChannel,
+ & mReusableKeyEvent, keyEntry->policyFlags);
+
+ mLock.lock();
+ }
+ }
+
+ startNextDispatchCycleLocked(now(), connection);
+}
+
void InputDispatcher::doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry) {
mLock.unlock();
@@ -2946,6 +3047,12 @@ void InputDispatcher::doPokeUserActivityLockedInterruptible(CommandEntry* comman
mLock.lock();
}
+void InputDispatcher::initializeKeyEvent(KeyEvent* event, const KeyEntry* entry) {
+ event->initialize(entry->deviceId, entry->source, entry->action, entry->flags,
+ entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
+ entry->downTime, entry->eventTime);
+}
+
void InputDispatcher::updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
int32_t injectionResult, nsecs_t timeSpentWaitingForApplication) {
// TODO Write some statistics about how long we spend waiting.
@@ -3356,6 +3463,24 @@ void InputDispatcher::InputState::clear() {
mMotionMementos.clear();
}
+void InputDispatcher::InputState::copyPointerStateTo(InputState& other) const {
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (memento.source & AINPUT_SOURCE_CLASS_POINTER) {
+ for (size_t j = 0; j < other.mMotionMementos.size(); ) {
+ const MotionMemento& otherMemento = other.mMotionMementos.itemAt(j);
+ if (memento.deviceId == otherMemento.deviceId
+ && memento.source == otherMemento.source) {
+ other.mMotionMementos.removeAt(j);
+ } else {
+ j += 1;
+ }
+ }
+ other.mMotionMementos.push(memento);
+ }
+ }
+}
+
bool InputDispatcher::InputState::shouldCancelEvent(int32_t eventSource,
CancelationOptions options) {
switch (options) {
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index 3197ab2..daff2d0 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -24,6 +24,7 @@
#include <cutils/log.h>
#include <ui/InputReader.h>
+#include <ui/Keyboard.h>
#include <stddef.h>
#include <stdlib.h>
@@ -70,43 +71,6 @@ static inline const char* toString(bool value) {
return value ? "true" : "false";
}
-
-int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
- int32_t mask;
- switch (keyCode) {
- case AKEYCODE_ALT_LEFT:
- mask = AMETA_ALT_LEFT_ON;
- break;
- case AKEYCODE_ALT_RIGHT:
- mask = AMETA_ALT_RIGHT_ON;
- break;
- case AKEYCODE_SHIFT_LEFT:
- mask = AMETA_SHIFT_LEFT_ON;
- break;
- case AKEYCODE_SHIFT_RIGHT:
- mask = AMETA_SHIFT_RIGHT_ON;
- break;
- case AKEYCODE_SYM:
- mask = AMETA_SYM_ON;
- break;
- default:
- return oldMetaState;
- }
-
- int32_t newMetaState = down ? oldMetaState | mask : oldMetaState & ~ mask
- & ~ (AMETA_ALT_ON | AMETA_SHIFT_ON);
-
- if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
- newMetaState |= AMETA_ALT_ON;
- }
-
- if (newMetaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
- newMetaState |= AMETA_SHIFT_ON;
- }
-
- return newMetaState;
-}
-
static const int32_t keyCodeRotationMap[][4] = {
// key codes enumerated counter-clockwise with the original (unrotated) key first
// no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
@@ -841,6 +805,17 @@ KeyboardInputMapper::~KeyboardInputMapper() {
void KeyboardInputMapper::initializeLocked() {
mLocked.metaState = AMETA_NONE;
mLocked.downTime = 0;
+
+ initializeLedStateLocked(mLocked.capsLockLedState, LED_CAPSL);
+ initializeLedStateLocked(mLocked.numLockLedState, LED_NUML);
+ initializeLedStateLocked(mLocked.scrollLockLedState, LED_SCROLLL);
+
+ updateLedStateLocked(true);
+}
+
+void KeyboardInputMapper::initializeLedStateLocked(LockedState::LedState& ledState, int32_t led) {
+ ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
+ ledState.on = false;
}
uint32_t KeyboardInputMapper::getSources() {
@@ -923,8 +898,8 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
// Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
if (mAssociatedDisplayId >= 0) {
int32_t orientation;
- if (! getPolicy()->getDisplayInfo(mAssociatedDisplayId, NULL, NULL, & orientation)) {
- return;
+ if (!getPolicy()->getDisplayInfo(mAssociatedDisplayId, NULL, NULL, & orientation)) {
+ orientation = InputReaderPolicyInterface::ROTATION_0;
}
keyCode = rotateKeyCode(keyCode, orientation);
@@ -965,6 +940,7 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
if (oldMetaState != newMetaState) {
mLocked.metaState = newMetaState;
metaStateChanged = true;
+ updateLedStateLocked(false);
}
downTime = mLocked.downTime;
@@ -974,6 +950,9 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
getContext()->updateGlobalMetaState();
}
+ if (policyFlags & POLICY_FLAG_FUNCTION) {
+ newMetaState |= AMETA_FUNCTION_ON;
+ }
getDispatcher()->notifyKey(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
@@ -1009,6 +988,26 @@ int32_t KeyboardInputMapper::getMetaState() {
} // release lock
}
+void KeyboardInputMapper::updateLedStateLocked(bool reset) {
+ updateLedStateForModifierLocked(mLocked.capsLockLedState, LED_CAPSL,
+ AMETA_CAPS_LOCK_ON, reset);
+ updateLedStateForModifierLocked(mLocked.numLockLedState, LED_NUML,
+ AMETA_NUM_LOCK_ON, reset);
+ updateLedStateForModifierLocked(mLocked.scrollLockLedState, LED_SCROLLL,
+ AMETA_SCROLL_LOCK_ON, reset);
+}
+
+void KeyboardInputMapper::updateLedStateForModifierLocked(LockedState::LedState& ledState,
+ int32_t led, int32_t modifier, bool reset) {
+ if (ledState.avail) {
+ bool desiredState = (mLocked.metaState & modifier) != 0;
+ if (ledState.on != desiredState) {
+ getEventHub()->setLedState(getDeviceId(), led, desiredState);
+ ledState.on = desiredState;
+ }
+ }
+}
+
// --- TrackballInputMapper ---
@@ -1161,7 +1160,7 @@ void TrackballInputMapper::sync(nsecs_t when) {
// Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
int32_t orientation;
if (! getPolicy()->getDisplayInfo(mAssociatedDisplayId, NULL, NULL, & orientation)) {
- return;
+ orientation = InputReaderPolicyInterface::ROTATION_0;
}
float temp;
@@ -1276,7 +1275,7 @@ void TouchInputMapper::dump(String8& dump) {
dumpRawAxes(dump);
dumpCalibration(dump);
dumpSurfaceLocked(dump);
- dump.appendFormat(INDENT3 "Translation and Scaling Factors:");
+ dump.appendFormat(INDENT3 "Translation and Scaling Factors:\n");
dump.appendFormat(INDENT4 "XOrigin: %d\n", mLocked.xOrigin);
dump.appendFormat(INDENT4 "YOrigin: %d\n", mLocked.yOrigin);
dump.appendFormat(INDENT4 "XScale: %0.3f\n", mLocked.xScale);
@@ -1413,10 +1412,18 @@ bool TouchInputMapper::configureSurfaceLocked() {
// Configure X and Y factors.
if (mRawAxes.x.valid && mRawAxes.y.valid) {
- mLocked.xOrigin = mRawAxes.x.minValue;
- mLocked.yOrigin = mRawAxes.y.minValue;
- mLocked.xScale = float(width) / mRawAxes.x.getRange();
- mLocked.yScale = float(height) / mRawAxes.y.getRange();
+ mLocked.xOrigin = mCalibration.haveXOrigin
+ ? mCalibration.xOrigin
+ : mRawAxes.x.minValue;
+ mLocked.yOrigin = mCalibration.haveYOrigin
+ ? mCalibration.yOrigin
+ : mRawAxes.y.minValue;
+ mLocked.xScale = mCalibration.haveXScale
+ ? mCalibration.xScale
+ : float(width) / mRawAxes.x.getRange();
+ mLocked.yScale = mCalibration.haveYScale
+ ? mCalibration.yScale
+ : float(height) / mRawAxes.y.getRange();
mLocked.xPrecision = 1.0f / mLocked.xScale;
mLocked.yPrecision = 1.0f / mLocked.yScale;
@@ -1682,6 +1689,12 @@ void TouchInputMapper::parseCalibration() {
const InputDeviceCalibration& in = getDevice()->getCalibration();
Calibration& out = mCalibration;
+ // Position
+ out.haveXOrigin = in.tryGetProperty(String8("touch.position.xOrigin"), out.xOrigin);
+ out.haveYOrigin = in.tryGetProperty(String8("touch.position.yOrigin"), out.yOrigin);
+ out.haveXScale = in.tryGetProperty(String8("touch.position.xScale"), out.xScale);
+ out.haveYScale = in.tryGetProperty(String8("touch.position.yScale"), out.yScale);
+
// Touch Size
out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_DEFAULT;
String8 touchSizeCalibrationString;
@@ -1891,6 +1904,20 @@ void TouchInputMapper::resolveCalibration() {
void TouchInputMapper::dumpCalibration(String8& dump) {
dump.append(INDENT3 "Calibration:\n");
+ // Position
+ if (mCalibration.haveXOrigin) {
+ dump.appendFormat(INDENT4 "touch.position.xOrigin: %d\n", mCalibration.xOrigin);
+ }
+ if (mCalibration.haveYOrigin) {
+ dump.appendFormat(INDENT4 "touch.position.yOrigin: %d\n", mCalibration.yOrigin);
+ }
+ if (mCalibration.haveXScale) {
+ dump.appendFormat(INDENT4 "touch.position.xScale: %0.3f\n", mCalibration.xScale);
+ }
+ if (mCalibration.haveYScale) {
+ dump.appendFormat(INDENT4 "touch.position.yScale: %0.3f\n", mCalibration.yScale);
+ }
+
// Touch Size
switch (mCalibration.touchSizeCalibration) {
case Calibration::TOUCH_SIZE_CALIBRATION_NONE:
diff --git a/libs/ui/InputTransport.cpp b/libs/ui/InputTransport.cpp
index 2c6346e..1885691 100644
--- a/libs/ui/InputTransport.cpp
+++ b/libs/ui/InputTransport.cpp
@@ -35,8 +35,12 @@ static const int DEFAULT_MESSAGE_BUFFER_SIZE = 16384;
static const char INPUT_SIGNAL_DISPATCH = 'D';
// Signal sent by the consumer to the producer to inform it that it has finished
-// consuming the most recent message.
-static const char INPUT_SIGNAL_FINISHED = 'f';
+// consuming the most recent message and it handled it.
+static const char INPUT_SIGNAL_FINISHED_HANDLED = 'f';
+
+// Signal sent by the consumer to the producer to inform it that it has finished
+// consuming the most recent message but it did not handle it.
+static const char INPUT_SIGNAL_FINISHED_UNHANDLED = 'u';
// --- InputChannel ---
@@ -497,7 +501,7 @@ status_t InputPublisher::sendDispatchSignal() {
return mChannel->sendSignal(INPUT_SIGNAL_DISPATCH);
}
-status_t InputPublisher::receiveFinishedSignal() {
+status_t InputPublisher::receiveFinishedSignal(bool& outHandled) {
#if DEBUG_TRANSPORT_ACTIONS
LOGD("channel '%s' publisher ~ receiveFinishedSignal",
mChannel->getName().string());
@@ -506,9 +510,14 @@ status_t InputPublisher::receiveFinishedSignal() {
char signal;
status_t result = mChannel->receiveSignal(& signal);
if (result) {
+ outHandled = false;
return result;
}
- if (signal != INPUT_SIGNAL_FINISHED) {
+ if (signal == INPUT_SIGNAL_FINISHED_HANDLED) {
+ outHandled = true;
+ } else if (signal == INPUT_SIGNAL_FINISHED_UNHANDLED) {
+ outHandled = false;
+ } else {
LOGE("channel '%s' publisher ~ Received unexpected signal '%c' from consumer",
mChannel->getName().string(), signal);
return UNKNOWN_ERROR;
@@ -626,13 +635,15 @@ status_t InputConsumer::consume(InputEventFactoryInterface* factory, InputEvent*
return OK;
}
-status_t InputConsumer::sendFinishedSignal() {
+status_t InputConsumer::sendFinishedSignal(bool handled) {
#if DEBUG_TRANSPORT_ACTIONS
- LOGD("channel '%s' consumer ~ sendFinishedSignal",
- mChannel->getName().string());
+ LOGD("channel '%s' consumer ~ sendFinishedSignal: handled=%d",
+ mChannel->getName().string(), handled);
#endif
- return mChannel->sendSignal(INPUT_SIGNAL_FINISHED);
+ return mChannel->sendSignal(handled
+ ? INPUT_SIGNAL_FINISHED_HANDLED
+ : INPUT_SIGNAL_FINISHED_UNHANDLED);
}
status_t InputConsumer::receiveDispatchSignal() {
diff --git a/libs/ui/KeyCharacterMap.cpp b/libs/ui/KeyCharacterMap.cpp
index e891181..890cc3f 100644
--- a/libs/ui/KeyCharacterMap.cpp
+++ b/libs/ui/KeyCharacterMap.cpp
@@ -1,263 +1,807 @@
-#define LOG_TAG "KeyCharacterMap"
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
-#include <ui/KeyCharacterMap.h>
-#include <cutils/properties.h>
+#define LOG_TAG "KeyCharacterMap"
-#include <utils/Log.h>
-#include <sys/types.h>
-#include <unistd.h>
#include <stdlib.h>
-#include <fcntl.h>
-#include <limits.h>
#include <string.h>
+#include <android/keycodes.h>
+#include <ui/Keyboard.h>
+#include <ui/KeyCharacterMap.h>
+#include <utils/Log.h>
+#include <utils/Errors.h>
+#include <utils/Tokenizer.h>
+#include <utils/Timers.h>
+
+// Enables debug output for the parser.
+#define DEBUG_PARSER 0
+
+// Enables debug output for parser performance.
+#define DEBUG_PARSER_PERFORMANCE 0
+
+// Enables debug output for mapping.
+#define DEBUG_MAPPING 0
+
+
+namespace android {
-struct Header
-{
- char magic[8];
- unsigned int endian;
- unsigned int version;
- unsigned int keycount;
- unsigned char kbdtype;
- char padding[11];
+static const char* WHITESPACE = " \t\r";
+static const char* WHITESPACE_OR_PROPERTY_DELIMITER = " \t\r,:";
+
+struct Modifier {
+ const char* label;
+ int32_t metaState;
+};
+static const Modifier modifiers[] = {
+ { "shift", AMETA_SHIFT_ON },
+ { "lshift", AMETA_SHIFT_LEFT_ON },
+ { "rshift", AMETA_SHIFT_RIGHT_ON },
+ { "alt", AMETA_ALT_ON },
+ { "lalt", AMETA_ALT_LEFT_ON },
+ { "ralt", AMETA_ALT_RIGHT_ON },
+ { "ctrl", AMETA_CTRL_ON },
+ { "lctrl", AMETA_CTRL_LEFT_ON },
+ { "rctrl", AMETA_CTRL_RIGHT_ON },
+ { "meta", AMETA_META_ON },
+ { "lmeta", AMETA_META_LEFT_ON },
+ { "rmeta", AMETA_META_RIGHT_ON },
+ { "sym", AMETA_SYM_ON },
+ { "fn", AMETA_FUNCTION_ON },
+ { "capslock", AMETA_CAPS_LOCK_ON },
+ { "numlock", AMETA_NUM_LOCK_ON },
+ { "scrolllock", AMETA_SCROLL_LOCK_ON },
};
-KeyCharacterMap::KeyCharacterMap()
-{
+#if DEBUG_MAPPING
+static String8 toString(const char16_t* chars, size_t numChars) {
+ String8 result;
+ for (size_t i = 0; i < numChars; i++) {
+ result.appendFormat(i == 0 ? "%d" : ", %d", chars[i]);
+ }
+ return result;
}
+#endif
+
+
+// --- KeyCharacterMap ---
-KeyCharacterMap::~KeyCharacterMap()
-{
- free(m_keys);
+KeyCharacterMap::KeyCharacterMap() :
+ mType(KEYBOARD_TYPE_UNKNOWN) {
}
-unsigned short
-KeyCharacterMap::get(int keycode, int meta)
-{
- Key* k = find_key(keycode);
- if (k != NULL) {
- return k->data[meta & META_MASK];
+KeyCharacterMap::~KeyCharacterMap() {
+ for (size_t i = 0; i < mKeys.size(); i++) {
+ Key* key = mKeys.editValueAt(i);
+ delete key;
}
- return 0;
}
-unsigned short
-KeyCharacterMap::getNumber(int keycode)
-{
- Key* k = find_key(keycode);
- if (k != NULL) {
- return k->number;
+status_t KeyCharacterMap::load(const String8& filename, KeyCharacterMap** outMap) {
+ *outMap = NULL;
+
+ Tokenizer* tokenizer;
+ status_t status = Tokenizer::open(filename, &tokenizer);
+ if (status) {
+ LOGE("Error %d opening key character map file %s.", status, filename.string());
+ } else {
+ KeyCharacterMap* map = new KeyCharacterMap();
+ if (!map) {
+ LOGE("Error allocating key character map.");
+ status = NO_MEMORY;
+ } else {
+#if DEBUG_PARSER_PERFORMANCE
+ nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
+#endif
+ Parser parser(map, tokenizer);
+ status = parser.parse();
+#if DEBUG_PARSER_PERFORMANCE
+ nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
+ LOGD("Parsed key character map file '%s' %d lines in %0.3fms.",
+ tokenizer->getFilename().string(), tokenizer->getLineNumber(),
+ elapsedTime / 1000000.0);
+#endif
+ if (status) {
+ delete map;
+ } else {
+ *outMap = map;
+ }
+ }
+ delete tokenizer;
}
- return 0;
+ return status;
}
-unsigned short
-KeyCharacterMap::getMatch(int keycode, const unsigned short* chars,
- int charsize, uint32_t modifiers)
-{
- Key* k = find_key(keycode);
- modifiers &= 3; // ignore the SYM key because we don't have keymap entries for it
- if (k != NULL) {
- const uint16_t* data = k->data;
- for (int j=0; j<charsize; j++) {
- uint16_t c = chars[j];
- for (int i=0; i<(META_MASK + 1); i++) {
- if ((modifiers == 0) || ((modifiers & i) != 0)) {
- if (c == data[i]) {
- return c;
+status_t KeyCharacterMap::loadByDeviceId(int32_t deviceId, KeyCharacterMap** outMap) {
+ *outMap = NULL;
+
+ String8 filename;
+ status_t result = getKeyCharacterMapFile(deviceId, filename);
+ if (!result) {
+ result = load(filename, outMap);
+ }
+ return result;
+}
+
+int32_t KeyCharacterMap::getKeyboardType() const {
+ return mType;
+}
+
+char16_t KeyCharacterMap::getDisplayLabel(int32_t keyCode) const {
+ char16_t result = 0;
+ ssize_t index = mKeys.indexOfKey(keyCode);
+ if (index >= 0) {
+ const Key* key = mKeys.valueAt(index);
+ result = key->label;
+ }
+#if DEBUG_MAPPING
+ LOGD("getDisplayLabel: keyCode=%d ~ Result %d.", keyCode, result);
+#endif
+ return result;
+}
+
+char16_t KeyCharacterMap::getNumber(int32_t keyCode) const {
+ char16_t result = 0;
+ ssize_t index = mKeys.indexOfKey(keyCode);
+ if (index >= 0) {
+ const Key* key = mKeys.valueAt(index);
+ result = key->number;
+ }
+#if DEBUG_MAPPING
+ LOGD("getNumber: keyCode=%d ~ Result %d.", keyCode, result);
+#endif
+ return result;
+}
+
+char16_t KeyCharacterMap::getCharacter(int32_t keyCode, int32_t metaState) const {
+ char16_t result = 0;
+ ssize_t index = mKeys.indexOfKey(keyCode);
+ if (index >= 0) {
+ const Key* key = mKeys.valueAt(index);
+ for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
+ if ((behavior->metaState & metaState) == behavior->metaState) {
+ result = behavior->character;
+ break;
+ }
+ }
+ }
+#if DEBUG_MAPPING
+ LOGD("getCharacter: keyCode=%d, metaState=0x%08x ~ Result %d.", keyCode, metaState, result);
+#endif
+ return result;
+}
+
+char16_t KeyCharacterMap::getMatch(int32_t keyCode, const char16_t* chars, size_t numChars,
+ int32_t metaState) const {
+ char16_t result = 0;
+ ssize_t index = mKeys.indexOfKey(keyCode);
+ if (index >= 0) {
+ const Key* key = mKeys.valueAt(index);
+
+ // Try to find the most general behavior that maps to this character.
+ // For example, the base key behavior will usually be last in the list.
+ // However, if we find a perfect meta state match for one behavior then use that one.
+ for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
+ if (behavior->character) {
+ for (size_t i = 0; i < numChars; i++) {
+ if (behavior->character == chars[i]) {
+ result = behavior->character;
+ if ((behavior->metaState & metaState) == behavior->metaState) {
+ goto ExactMatch;
+ }
+ break;
}
}
}
}
+ ExactMatch: ;
}
- return 0;
+#if DEBUG_MAPPING
+ LOGD("getMatch: keyCode=%d, chars=[%s], metaState=0x%08x ~ Result %d.",
+ keyCode, toString(chars, numChars).string(), metaState, result);
+#endif
+ return result;
}
-unsigned short
-KeyCharacterMap::getDisplayLabel(int keycode)
-{
- Key* k = find_key(keycode);
- if (k != NULL) {
- return k->display_label;
+bool KeyCharacterMap::getEvents(int32_t deviceId, const char16_t* chars, size_t numChars,
+ Vector<KeyEvent>& outEvents) const {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+
+ for (size_t i = 0; i < numChars; i++) {
+ int32_t keyCode, metaState;
+ char16_t ch = chars[i];
+ if (!findKey(ch, &keyCode, &metaState)) {
+#if DEBUG_MAPPING
+ LOGD("getEvents: deviceId=%d, chars=[%s] ~ Failed to find mapping for character %d.",
+ deviceId, toString(chars, numChars).string(), ch);
+#endif
+ return false;
+ }
+
+ int32_t currentMetaState = 0;
+ addMetaKeys(outEvents, deviceId, metaState, true, now, &currentMetaState);
+ addKey(outEvents, deviceId, keyCode, currentMetaState, true, now);
+ addKey(outEvents, deviceId, keyCode, currentMetaState, false, now);
+ addMetaKeys(outEvents, deviceId, metaState, false, now, &currentMetaState);
+ }
+#if DEBUG_MAPPING
+ LOGD("getEvents: deviceId=%d, chars=[%s] ~ Generated %d events.",
+ deviceId, toString(chars, numChars).string(), outEvents.size());
+ for (size_t i = 0; i < outEvents.size(); i++) {
+ LOGD(" Key: keyCode=%d, metaState=0x%08x, %s.",
+ outEvents[i].getKeyCode(), outEvents[i].getMetaState(),
+ outEvents[i].getAction() == AKEY_EVENT_ACTION_DOWN ? "down" : "up");
}
- return 0;
+#endif
+ return true;
}
-bool
-KeyCharacterMap::getKeyData(int keycode, unsigned short *displayLabel,
- unsigned short *number, unsigned short* results)
-{
- Key* k = find_key(keycode);
- if (k != NULL) {
- memcpy(results, k->data, sizeof(short)*(META_MASK + 1));
- *number = k->number;
- *displayLabel = k->display_label;
- return true;
- } else {
+bool KeyCharacterMap::findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMetaState) const {
+ if (!ch) {
return false;
}
-}
-bool
-KeyCharacterMap::find_char(uint16_t c, uint32_t* key, uint32_t* mods)
-{
- uint32_t N = m_keyCount;
- for (int j=0; j<(META_MASK + 1); j++) {
- Key const* keys = m_keys;
- for (uint32_t i=0; i<N; i++) {
- if (keys->data[j] == c) {
- *key = keys->keycode;
- *mods = j;
- return true;
+ for (size_t i = 0; i < mKeys.size(); i++) {
+ const Key* key = mKeys.valueAt(i);
+
+ // Try to find the most general behavior that maps to this character.
+ // For example, the base key behavior will usually be last in the list.
+ const Behavior* found = NULL;
+ for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
+ if (behavior->character == ch) {
+ found = behavior;
}
- keys++;
+ }
+ if (found) {
+ *outKeyCode = mKeys.keyAt(i);
+ *outMetaState = found->metaState;
+ return true;
}
}
return false;
}
-bool
-KeyCharacterMap::getEvents(uint16_t* chars, size_t len,
- Vector<int32_t>* keys, Vector<uint32_t>* modifiers)
-{
- for (size_t i=0; i<len; i++) {
- uint32_t k, mods;
- if (find_char(chars[i], &k, &mods)) {
- keys->add(k);
- modifiers->add(mods);
- } else {
- return false;
- }
+void KeyCharacterMap::addKey(Vector<KeyEvent>& outEvents,
+ int32_t deviceId, int32_t keyCode, int32_t metaState, bool down, nsecs_t time) {
+ outEvents.push();
+ KeyEvent& event = outEvents.editTop();
+ event.initialize(deviceId, AINPUT_SOURCE_KEYBOARD,
+ down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+ 0, keyCode, 0, metaState, 0, time, time);
+}
+
+void KeyCharacterMap::addMetaKeys(Vector<KeyEvent>& outEvents,
+ int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
+ int32_t* currentMetaState) {
+ // Add and remove meta keys symmetrically.
+ if (down) {
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_CAPS_LOCK, AMETA_CAPS_LOCK_ON, currentMetaState);
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_NUM_LOCK, AMETA_NUM_LOCK_ON, currentMetaState);
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_SCROLL_LOCK, AMETA_SCROLL_LOCK_ON, currentMetaState);
+
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_SHIFT_LEFT, AMETA_SHIFT_LEFT_ON,
+ AKEYCODE_SHIFT_RIGHT, AMETA_SHIFT_RIGHT_ON,
+ AMETA_SHIFT_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_ALT_LEFT, AMETA_ALT_LEFT_ON,
+ AKEYCODE_ALT_RIGHT, AMETA_ALT_RIGHT_ON,
+ AMETA_ALT_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_CTRL_LEFT, AMETA_CTRL_LEFT_ON,
+ AKEYCODE_CTRL_RIGHT, AMETA_CTRL_RIGHT_ON,
+ AMETA_CTRL_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_META_LEFT, AMETA_META_LEFT_ON,
+ AKEYCODE_META_RIGHT, AMETA_META_RIGHT_ON,
+ AMETA_META_ON, currentMetaState);
+
+ addSingleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_SYM, AMETA_SYM_ON, currentMetaState);
+ addSingleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
+ AKEYCODE_FUNCTION, AMETA_FUNCTION_ON, currentMetaState);
+ } else {
+ addSingleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_FUNCTION, AMETA_FUNCTION_ON, currentMetaState);
+ addSingleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_SYM, AMETA_SYM_ON, currentMetaState);
+
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_META_LEFT, AMETA_META_LEFT_ON,
+ AKEYCODE_META_RIGHT, AMETA_META_RIGHT_ON,
+ AMETA_META_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_CTRL_LEFT, AMETA_CTRL_LEFT_ON,
+ AKEYCODE_CTRL_RIGHT, AMETA_CTRL_RIGHT_ON,
+ AMETA_CTRL_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_ALT_LEFT, AMETA_ALT_LEFT_ON,
+ AKEYCODE_ALT_RIGHT, AMETA_ALT_RIGHT_ON,
+ AMETA_ALT_ON, currentMetaState);
+ addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
+ AKEYCODE_SHIFT_LEFT, AMETA_SHIFT_LEFT_ON,
+ AKEYCODE_SHIFT_RIGHT, AMETA_SHIFT_RIGHT_ON,
+ AMETA_SHIFT_ON, currentMetaState);
+
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_SCROLL_LOCK, AMETA_SCROLL_LOCK_ON, currentMetaState);
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_NUM_LOCK, AMETA_NUM_LOCK_ON, currentMetaState);
+ addLockedMetaKey(outEvents, deviceId, metaState, time,
+ AKEYCODE_CAPS_LOCK, AMETA_CAPS_LOCK_ON, currentMetaState);
}
- return true;
}
-KeyCharacterMap::Key*
-KeyCharacterMap::find_key(int keycode)
-{
- Key* keys = m_keys;
- int low = 0;
- int high = m_keyCount - 1;
- int mid;
- int n;
- while (low <= high) {
- mid = (low + high) / 2;
- n = keys[mid].keycode;
- if (keycode < n) {
- high = mid - 1;
- } else if (keycode > n) {
- low = mid + 1;
- } else {
- return keys + mid;
- }
+bool KeyCharacterMap::addSingleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
+ int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
+ int32_t keyCode, int32_t keyMetaState,
+ int32_t* currentMetaState) {
+ if ((metaState & keyMetaState) == keyMetaState) {
+ *currentMetaState = updateMetaState(keyCode, down, *currentMetaState);
+ addKey(outEvents, deviceId, keyCode, *currentMetaState, down, time);
+ return true;
+ }
+ return false;
+}
+
+void KeyCharacterMap::addDoubleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
+ int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
+ int32_t leftKeyCode, int32_t leftKeyMetaState,
+ int32_t rightKeyCode, int32_t rightKeyMetaState,
+ int32_t eitherKeyMetaState,
+ int32_t* currentMetaState) {
+ bool specific = false;
+ specific |= addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
+ leftKeyCode, leftKeyMetaState, currentMetaState);
+ specific |= addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
+ rightKeyCode, rightKeyMetaState, currentMetaState);
+
+ if (!specific) {
+ addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
+ leftKeyCode, eitherKeyMetaState, currentMetaState);
+ }
+}
+
+void KeyCharacterMap::addLockedMetaKey(Vector<KeyEvent>& outEvents,
+ int32_t deviceId, int32_t metaState, nsecs_t time,
+ int32_t keyCode, int32_t keyMetaState,
+ int32_t* currentMetaState) {
+ if ((metaState & keyMetaState) == keyMetaState) {
+ *currentMetaState = updateMetaState(keyCode, true, *currentMetaState);
+ addKey(outEvents, deviceId, keyCode, *currentMetaState, true, time);
+ *currentMetaState = updateMetaState(keyCode, false, *currentMetaState);
+ addKey(outEvents, deviceId, keyCode, *currentMetaState, false, time);
+ }
+}
+
+
+// --- KeyCharacterMap::Key ---
+
+KeyCharacterMap::Key::Key() :
+ label(0), number(0), firstBehavior(NULL) {
+}
+
+KeyCharacterMap::Key::~Key() {
+ Behavior* behavior = firstBehavior;
+ while (behavior) {
+ Behavior* next = behavior->next;
+ delete behavior;
+ behavior = next;
}
- return NULL;
}
-KeyCharacterMap*
-KeyCharacterMap::load(int id)
-{
- KeyCharacterMap* rv = NULL;
- char path[PATH_MAX];
- char propName[100];
- char dev[PROPERTY_VALUE_MAX];
- char tmpfn[PROPERTY_VALUE_MAX];
- int err;
- const char* root = getenv("ANDROID_ROOT");
-
- sprintf(propName, "hw.keyboards.%u.devname", id);
- err = property_get(propName, dev, "");
- if (err > 0) {
- // replace all the spaces with underscores
- strcpy(tmpfn, dev);
- for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' '))
- *p = '_';
- snprintf(path, sizeof(path), "%s/usr/keychars/%s.kcm.bin", root, tmpfn);
- //LOGD("load: dev='%s' path='%s'\n", dev, path);
- rv = try_file(path);
- if (rv != NULL) {
- return rv;
+
+// --- KeyCharacterMap::Behavior ---
+
+KeyCharacterMap::Behavior::Behavior() :
+ next(NULL), metaState(0), character(0), fallbackKeyCode(0) {
+}
+
+
+// --- KeyCharacterMap::Parser ---
+
+KeyCharacterMap::Parser::Parser(KeyCharacterMap* map, Tokenizer* tokenizer) :
+ mMap(map), mTokenizer(tokenizer), mState(STATE_TOP) {
+}
+
+KeyCharacterMap::Parser::~Parser() {
+}
+
+status_t KeyCharacterMap::Parser::parse() {
+ while (!mTokenizer->isEof()) {
+#if DEBUG_PARSER
+ LOGD("Parsing %s: '%s'.", mTokenizer->getLocation().string(),
+ mTokenizer->peekRemainderOfLine().string());
+#endif
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+
+ if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
+ switch (mState) {
+ case STATE_TOP: {
+ String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
+ if (keywordToken == "type") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseType();
+ if (status) return status;
+ } else if (keywordToken == "key") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseKey();
+ if (status) return status;
+ } else {
+ LOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
+ keywordToken.string());
+ return BAD_VALUE;
+ }
+ break;
+ }
+
+ case STATE_KEY: {
+ status_t status = parseKeyProperty();
+ if (status) return status;
+ break;
+ }
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ if (!mTokenizer->isEol()) {
+ LOGE("%s: Expected end of line, got '%s'.",
+ mTokenizer->getLocation().string(),
+ mTokenizer->peekRemainderOfLine().string());
+ return BAD_VALUE;
+ }
}
- LOGW("Error loading keycharmap file '%s'. %s='%s'", path, propName, dev);
- } else {
- LOGW("No keyboard for id %d", id);
+
+ mTokenizer->nextLine();
+ }
+
+ if (mState != STATE_TOP) {
+ LOGE("%s: Unterminated key description at end of file.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+
+ if (mMap->mType == KEYBOARD_TYPE_UNKNOWN) {
+ LOGE("%s: Missing required keyboard 'type' declaration.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+
+ return NO_ERROR;
+}
+
+status_t KeyCharacterMap::Parser::parseType() {
+ if (mMap->mType != KEYBOARD_TYPE_UNKNOWN) {
+ LOGE("%s: Duplicate keyboard 'type' declaration.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
}
- snprintf(path, sizeof(path), "%s/usr/keychars/qwerty.kcm.bin", root);
- rv = try_file(path);
- if (rv == NULL) {
- LOGE("Can't find any keycharmaps (also tried %s)", path);
- return NULL;
+ KeyboardType type;
+ String8 typeToken = mTokenizer->nextToken(WHITESPACE);
+ if (typeToken == "NUMERIC") {
+ type = KEYBOARD_TYPE_NUMERIC;
+ } else if (typeToken == "PREDICTIVE") {
+ type = KEYBOARD_TYPE_PREDICTIVE;
+ } else if (typeToken == "ALPHA") {
+ type = KEYBOARD_TYPE_ALPHA;
+ } else if (typeToken == "FULL") {
+ type = KEYBOARD_TYPE_FULL;
+ } else if (typeToken == "SPECIAL_FUNCTION") {
+ type = KEYBOARD_TYPE_SPECIAL_FUNCTION;
+ } else {
+ LOGE("%s: Expected keyboard type label, got '%s'.", mTokenizer->getLocation().string(),
+ typeToken.string());
+ return BAD_VALUE;
}
- LOGW("Using default keymap: %s", path);
- return rv;
+#if DEBUG_PARSER
+ LOGD("Parsed type: type=%d.", type);
+#endif
+ mMap->mType = type;
+ return NO_ERROR;
}
-KeyCharacterMap*
-KeyCharacterMap::try_file(const char* filename)
-{
- KeyCharacterMap* rv = NULL;
- Key* keys;
- int fd;
- off_t filesize;
- Header header;
- int err;
-
- fd = open(filename, O_RDONLY);
- if (fd == -1) {
- LOGW("Can't open keycharmap file");
- return NULL;
+status_t KeyCharacterMap::Parser::parseKey() {
+ String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
+ int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());
+ if (!keyCode) {
+ LOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
+ keyCodeToken.string());
+ return BAD_VALUE;
+ }
+ if (mMap->mKeys.indexOfKey(keyCode) >= 0) {
+ LOGE("%s: Duplicate entry for key code '%s'.", mTokenizer->getLocation().string(),
+ keyCodeToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 openBraceToken = mTokenizer->nextToken(WHITESPACE);
+ if (openBraceToken != "{") {
+ LOGE("%s: Expected '{' after key code label, got '%s'.",
+ mTokenizer->getLocation().string(), openBraceToken.string());
+ return BAD_VALUE;
}
- filesize = lseek(fd, 0, SEEK_END);
- lseek(fd, 0, SEEK_SET);
+#if DEBUG_PARSER
+ LOGD("Parsed beginning of key: keyCode=%d.", keyCode);
+#endif
+ mKeyCode = keyCode;
+ mMap->mKeys.add(keyCode, new Key());
+ mState = STATE_KEY;
+ return NO_ERROR;
+}
- // validate the header
- if (filesize <= (off_t)sizeof(header)) {
- LOGW("Bad keycharmap - filesize=%d\n", (int)filesize);
- goto cleanup1;
+status_t KeyCharacterMap::Parser::parseKeyProperty() {
+ String8 token = mTokenizer->nextToken(WHITESPACE_OR_PROPERTY_DELIMITER);
+ if (token == "}") {
+ mState = STATE_TOP;
+ return NO_ERROR;
}
- err = read(fd, &header, sizeof(header));
- if (err == -1) {
- LOGW("Error reading keycharmap file");
- goto cleanup1;
+ Vector<Property> properties;
+
+ // Parse all comma-delimited property names up to the first colon.
+ for (;;) {
+ if (token == "label") {
+ properties.add(Property(PROPERTY_LABEL));
+ } else if (token == "number") {
+ properties.add(Property(PROPERTY_NUMBER));
+ } else {
+ int32_t metaState;
+ status_t status = parseModifier(token, &metaState);
+ if (status) {
+ LOGE("%s: Expected a property name or modifier, got '%s'.",
+ mTokenizer->getLocation().string(), token.string());
+ return status;
+ }
+ properties.add(Property(PROPERTY_META, metaState));
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ if (!mTokenizer->isEol()) {
+ char ch = mTokenizer->nextChar();
+ if (ch == ':') {
+ break;
+ } else if (ch == ',') {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ token = mTokenizer->nextToken(WHITESPACE_OR_PROPERTY_DELIMITER);
+ continue;
+ }
+ }
+
+ LOGE("%s: Expected ',' or ':' after property name.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
}
- if (0 != memcmp(header.magic, "keychar", 8)) {
- LOGW("Bad keycharmap magic token");
- goto cleanup1;
+ // Parse behavior after the colon.
+ mTokenizer->skipDelimiters(WHITESPACE);
+
+ Behavior behavior;
+ bool haveCharacter = false;
+ bool haveFallback = false;
+
+ do {
+ char ch = mTokenizer->peekChar();
+ if (ch == '\'') {
+ char16_t character;
+ status_t status = parseCharacterLiteral(&character);
+ if (status || !character) {
+ LOGE("%s: Invalid character literal for key.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ if (haveCharacter) {
+ LOGE("%s: Cannot combine multiple character literals or 'none'.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ behavior.character = character;
+ haveCharacter = true;
+ } else {
+ token = mTokenizer->nextToken(WHITESPACE);
+ if (token == "none") {
+ if (haveCharacter) {
+ LOGE("%s: Cannot combine multiple character literals or 'none'.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ haveCharacter = true;
+ } else if (token == "fallback") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ token = mTokenizer->nextToken(WHITESPACE);
+ int32_t keyCode = getKeyCodeByLabel(token.string());
+ if (!keyCode) {
+ LOGE("%s: Invalid key code label for fallback behavior, got '%s'.",
+ mTokenizer->getLocation().string(),
+ token.string());
+ return BAD_VALUE;
+ }
+ if (haveFallback) {
+ LOGE("%s: Cannot combine multiple fallback key codes.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ behavior.fallbackKeyCode = keyCode;
+ haveFallback = true;
+ } else {
+ LOGE("%s: Expected a key behavior after ':'.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ } while (!mTokenizer->isEol());
+
+ // Add the behavior.
+ Key* key = mMap->mKeys.valueFor(mKeyCode);
+ for (size_t i = 0; i < properties.size(); i++) {
+ const Property& property = properties.itemAt(i);
+ switch (property.property) {
+ case PROPERTY_LABEL:
+ if (key->label) {
+ LOGE("%s: Duplicate label for key.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ key->label = behavior.character;
+#if DEBUG_PARSER
+ LOGD("Parsed key label: keyCode=%d, label=%d.", mKeyCode, key->label);
+#endif
+ break;
+ case PROPERTY_NUMBER:
+ if (key->number) {
+ LOGE("%s: Duplicate number for key.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ key->number = behavior.character;
+#if DEBUG_PARSER
+ LOGD("Parsed key number: keyCode=%d, number=%d.", mKeyCode, key->number);
+#endif
+ break;
+ case PROPERTY_META: {
+ for (Behavior* b = key->firstBehavior; b; b = b->next) {
+ if (b->metaState == property.metaState) {
+ LOGE("%s: Duplicate key behavior for modifier.",
+ mTokenizer->getLocation().string());
+ return BAD_VALUE;
+ }
+ }
+ Behavior* newBehavior = new Behavior(behavior);
+ newBehavior->metaState = property.metaState;
+ newBehavior->next = key->firstBehavior;
+ key->firstBehavior = newBehavior;
+#if DEBUG_PARSER
+ LOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d.", mKeyCode,
+ newBehavior->metaState, newBehavior->character, newBehavior->fallbackKeyCode);
+#endif
+ break;
+ }
+ }
}
- if (header.endian != 0x12345678) {
- LOGW("Bad keycharmap endians");
- goto cleanup1;
+ return NO_ERROR;
+}
+
+status_t KeyCharacterMap::Parser::parseModifier(const String8& token, int32_t* outMetaState) {
+ if (token == "base") {
+ *outMetaState = 0;
+ return NO_ERROR;
}
- if ((header.version & 0xff) != 2) {
- LOGW("Only support keycharmap version 2 (got 0x%08x)", header.version);
- goto cleanup1;
+
+ int32_t combinedMeta = 0;
+
+ const char* str = token.string();
+ const char* start = str;
+ for (const char* cur = str; ; cur++) {
+ char ch = *cur;
+ if (ch == '+' || ch == '\0') {
+ size_t len = cur - start;
+ int32_t metaState = 0;
+ for (size_t i = 0; i < sizeof(modifiers) / sizeof(Modifier); i++) {
+ if (strlen(modifiers[i].label) == len
+ && strncmp(modifiers[i].label, start, len) == 0) {
+ metaState = modifiers[i].metaState;
+ break;
+ }
+ }
+ if (!metaState) {
+ return BAD_VALUE;
+ }
+ if (combinedMeta & metaState) {
+ LOGE("%s: Duplicate modifier combination '%s'.",
+ mTokenizer->getLocation().string(), token.string());
+ return BAD_VALUE;
+ }
+
+ combinedMeta |= metaState;
+
+ if (ch == '\0') {
+ break;
+ }
+ }
}
- if (filesize < (off_t)(sizeof(Header)+(sizeof(Key)*header.keycount))) {
- LOGW("Bad keycharmap file size\n");
- goto cleanup1;
+ *outMetaState = combinedMeta;
+ return NO_ERROR;
+}
+
+status_t KeyCharacterMap::Parser::parseCharacterLiteral(char16_t* outCharacter) {
+ char ch = mTokenizer->nextChar();
+ if (ch != '\'') {
+ goto Error;
}
- // read the key data
- keys = (Key*)malloc(sizeof(Key)*header.keycount);
- err = read(fd, keys, sizeof(Key)*header.keycount);
- if (err == -1) {
- LOGW("Error reading keycharmap file");
- free(keys);
- goto cleanup1;
+ ch = mTokenizer->nextChar();
+ if (ch == '\\') {
+ // Escape sequence.
+ ch = mTokenizer->nextChar();
+ if (ch == 'n') {
+ *outCharacter = '\n';
+ } else if (ch == 't') {
+ *outCharacter = '\t';
+ } else if (ch == '\\') {
+ *outCharacter = '\\';
+ } else if (ch == '\'') {
+ *outCharacter = '\'';
+ } else if (ch == '"') {
+ *outCharacter = '"';
+ } else if (ch == 'u') {
+ *outCharacter = 0;
+ for (int i = 0; i < 4; i++) {
+ ch = mTokenizer->nextChar();
+ int digit;
+ if (ch >= '0' && ch <= '9') {
+ digit = ch - '0';
+ } else if (ch >= 'A' && ch <= 'F') {
+ digit = ch - 'A' + 10;
+ } else if (ch >= 'a' && ch <= 'f') {
+ digit = ch - 'a' + 10;
+ } else {
+ goto Error;
+ }
+ *outCharacter = (*outCharacter << 4) | digit;
+ }
+ } else {
+ goto Error;
+ }
+ } else if (ch >= 32 && ch <= 126 && ch != '\'') {
+ // ASCII literal character.
+ *outCharacter = ch;
+ } else {
+ goto Error;
}
- // return the object
- rv = new KeyCharacterMap;
- rv->m_keyCount = header.keycount;
- rv->m_keys = keys;
- rv->m_type = header.kbdtype;
+ ch = mTokenizer->nextChar();
+ if (ch != '\'') {
+ goto Error;
+ }
-cleanup1:
- close(fd);
+ // Ensure that we consumed the entire token.
+ if (mTokenizer->nextToken(WHITESPACE).isEmpty()) {
+ return NO_ERROR;
+ }
- return rv;
+Error:
+ LOGE("%s: Malformed character literal.", mTokenizer->getLocation().string());
+ return BAD_VALUE;
}
+
+} // namespace android
diff --git a/libs/ui/KeyLayoutMap.cpp b/libs/ui/KeyLayoutMap.cpp
index 15ae54c..56bc26f 100644
--- a/libs/ui/KeyLayoutMap.cpp
+++ b/libs/ui/KeyLayoutMap.cpp
@@ -1,234 +1,213 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
#define LOG_TAG "KeyLayoutMap"
-#include "KeyLayoutMap.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <utils/String8.h>
#include <stdlib.h>
-#include <ui/KeycodeLabels.h>
+#include <android/keycodes.h>
+#include <ui/Keyboard.h>
+#include <ui/KeyLayoutMap.h>
#include <utils/Log.h>
+#include <utils/Errors.h>
+#include <utils/Tokenizer.h>
+#include <utils/Timers.h>
+
+// Enables debug output for the parser.
+#define DEBUG_PARSER 0
+
+// Enables debug output for parser performance.
+#define DEBUG_PARSER_PERFORMANCE 0
+
+// Enables debug output for mapping.
+#define DEBUG_MAPPING 0
+
namespace android {
-KeyLayoutMap::KeyLayoutMap()
- :m_status(NO_INIT),
- m_keys()
-{
-}
+static const char* WHITESPACE = " \t\r";
-KeyLayoutMap::~KeyLayoutMap()
-{
+// --- KeyLayoutMap ---
+
+KeyLayoutMap::KeyLayoutMap() {
}
-static String8
-next_token(char const** p, int *line)
-{
- bool begun = false;
- const char* begin = *p;
- const char* end = *p;
- while (true) {
- if (*end == '\n') {
- (*line)++;
- }
- switch (*end)
- {
- case '#':
- if (begun) {
- *p = end;
- return String8(begin, end-begin);
- } else {
- do {
- begin++;
- end++;
- } while (*begin != '\0' && *begin != '\n');
- }
- case '\0':
- case ' ':
- case '\n':
- case '\r':
- case '\t':
- if (begun || (*end == '\0')) {
- *p = end;
- return String8(begin, end-begin);
- } else {
- begin++;
- end++;
- break;
- }
- default:
- end++;
- begun = true;
- }
- }
+KeyLayoutMap::~KeyLayoutMap() {
}
-static int32_t
-token_to_value(const char *literal, const KeycodeLabel *list)
-{
- while (list->literal) {
- if (0 == strcmp(literal, list->literal)) {
- return list->value;
+status_t KeyLayoutMap::load(const String8& filename, KeyLayoutMap** outMap) {
+ *outMap = NULL;
+
+ Tokenizer* tokenizer;
+ status_t status = Tokenizer::open(filename, &tokenizer);
+ if (status) {
+ LOGE("Error %d opening key layout map file %s.", status, filename.string());
+ } else {
+ KeyLayoutMap* map = new KeyLayoutMap();
+ if (!map) {
+ LOGE("Error allocating key layout map.");
+ status = NO_MEMORY;
+ } else {
+#if DEBUG_PARSER_PERFORMANCE
+ nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
+#endif
+ Parser parser(map, tokenizer);
+ status = parser.parse();
+#if DEBUG_PARSER_PERFORMANCE
+ nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
+ LOGD("Parsed key layout map file '%s' %d lines in %0.3fms.",
+ tokenizer->getFilename().string(), tokenizer->getLineNumber(),
+ elapsedTime / 1000000.0);
+#endif
+ if (status) {
+ delete map;
+ } else {
+ *outMap = map;
+ }
}
- list++;
+ delete tokenizer;
}
- return list->value;
+ return status;
}
-status_t
-KeyLayoutMap::load(const char* filename)
-{
- int fd = open(filename, O_RDONLY);
- if (fd < 0) {
- LOGE("error opening file=%s err=%s\n", filename, strerror(errno));
- m_status = errno;
- return errno;
+status_t KeyLayoutMap::map(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const {
+ ssize_t index = mKeys.indexOfKey(scanCode);
+ if (index < 0) {
+#if DEBUG_MAPPING
+ LOGD("map: scanCode=%d ~ Failed.", scanCode);
+#endif
+ *keyCode = AKEYCODE_UNKNOWN;
+ *flags = 0;
+ return NAME_NOT_FOUND;
}
- off_t len = lseek(fd, 0, SEEK_END);
- off_t errlen = lseek(fd, 0, SEEK_SET);
- if (len < 0 || errlen < 0) {
- close(fd);
- LOGE("error seeking file=%s err=%s\n", filename, strerror(errno));
- m_status = errno;
- return errno;
- }
+ const Key& k = mKeys.valueAt(index);
+ *keyCode = k.keyCode;
+ *flags = k.flags;
- char* buf = (char*)malloc(len+1);
- if (read(fd, buf, len) != len) {
- LOGE("error reading file=%s err=%s\n", filename, strerror(errno));
- m_status = errno != 0 ? errno : ((int)NOT_ENOUGH_DATA);
- return errno != 0 ? errno : ((int)NOT_ENOUGH_DATA);
- }
- errno = 0;
- buf[len] = '\0';
+#if DEBUG_MAPPING
+ LOGD("map: scanCode=%d ~ Result keyCode=%d, flags=0x%08x.", scanCode, *keyCode, *flags);
+#endif
+ return NO_ERROR;
+}
- int32_t scancode = -1;
- int32_t keycode = -1;
- uint32_t flags = 0;
- uint32_t tmp;
- char* end;
- status_t err = NO_ERROR;
- int line = 1;
- char const* p = buf;
- enum { BEGIN, SCANCODE, KEYCODE, FLAG } state = BEGIN;
- while (true) {
- String8 token = next_token(&p, &line);
- if (*p == '\0') {
- break;
- }
- switch (state)
- {
- case BEGIN:
- if (token == "key") {
- state = SCANCODE;
- } else {
- LOGE("%s:%d: expected key, got '%s'\n", filename, line,
- token.string());
- err = BAD_VALUE;
- goto done;
- }
- break;
- case SCANCODE:
- scancode = strtol(token.string(), &end, 0);
- if (*end != '\0') {
- LOGE("%s:%d: expected scancode (a number), got '%s'\n",
- filename, line, token.string());
- goto done;
- }
- //LOGI("%s:%d: got scancode %d\n", filename, line, scancode );
- state = KEYCODE;
- break;
- case KEYCODE:
- keycode = token_to_value(token.string(), KEYCODES);
- //LOGI("%s:%d: got keycode %d for %s\n", filename, line, keycode, token.string() );
- if (keycode == 0) {
- LOGE("%s:%d: expected keycode, got '%s'\n",
- filename, line, token.string());
- goto done;
- }
- state = FLAG;
- break;
- case FLAG:
- if (token == "key") {
- if (scancode != -1) {
- //LOGI("got key decl scancode=%d keycode=%d"
- // " flags=0x%08x\n", scancode, keycode, flags);
- Key k = { keycode, flags };
- m_keys.add(scancode, k);
- state = SCANCODE;
- scancode = -1;
- keycode = -1;
- flags = 0;
- break;
- }
- }
- tmp = token_to_value(token.string(), FLAGS);
- //LOGI("%s:%d: got flags %x for %s\n", filename, line, tmp, token.string() );
- if (tmp == 0) {
- LOGE("%s:%d: expected flag, got '%s'\n",
- filename, line, token.string());
- goto done;
- }
- flags |= tmp;
- break;
+status_t KeyLayoutMap::findScanCodes(int32_t keyCode, Vector<int32_t>* outScanCodes) const {
+ const size_t N = mKeys.size();
+ for (size_t i=0; i<N; i++) {
+ if (mKeys.valueAt(i).keyCode == keyCode) {
+ outScanCodes->add(mKeys.keyAt(i));
}
}
- if (state == FLAG && scancode != -1 ) {
- //LOGI("got key decl scancode=%d keycode=%d"
- // " flags=0x%08x\n", scancode, keycode, flags);
- Key k = { keycode, flags };
- m_keys.add(scancode, k);
- }
-
-done:
- free(buf);
- close(fd);
-
- m_status = err;
- return err;
+ return NO_ERROR;
}
-status_t
-KeyLayoutMap::map(int32_t scancode, int32_t *keycode, uint32_t *flags) const
-{
- if (m_status != NO_ERROR) {
- return m_status;
- }
+// --- KeyLayoutMap::Parser ---
- ssize_t index = m_keys.indexOfKey(scancode);
- if (index < 0) {
- //LOGW("couldn't map scancode=%d\n", scancode);
- return NAME_NOT_FOUND;
- }
-
- const Key& k = m_keys.valueAt(index);
+KeyLayoutMap::Parser::Parser(KeyLayoutMap* map, Tokenizer* tokenizer) :
+ mMap(map), mTokenizer(tokenizer) {
+}
- *keycode = k.keycode;
- *flags = k.flags;
+KeyLayoutMap::Parser::~Parser() {
+}
- //LOGD("mapped scancode=%d to keycode=%d flags=0x%08x\n", scancode,
- // keycode, flags);
+status_t KeyLayoutMap::Parser::parse() {
+ while (!mTokenizer->isEof()) {
+#if DEBUG_PARSER
+ LOGD("Parsing %s: '%s'.", mTokenizer->getLocation().string(),
+ mTokenizer->peekRemainderOfLine().string());
+#endif
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+
+ if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
+ String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
+ if (keywordToken == "key") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseKey();
+ if (status) return status;
+ } else {
+ LOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
+ keywordToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ if (!mTokenizer->isEol()) {
+ LOGE("%s: Expected end of line, got '%s'.",
+ mTokenizer->getLocation().string(),
+ mTokenizer->peekRemainderOfLine().string());
+ return BAD_VALUE;
+ }
+ }
+ mTokenizer->nextLine();
+ }
return NO_ERROR;
}
-status_t
-KeyLayoutMap::findScancodes(int32_t keycode, Vector<int32_t>* outScancodes) const
-{
- if (m_status != NO_ERROR) {
- return m_status;
+status_t KeyLayoutMap::Parser::parseKey() {
+ String8 scanCodeToken = mTokenizer->nextToken(WHITESPACE);
+ char* end;
+ int32_t scanCode = int32_t(strtol(scanCodeToken.string(), &end, 0));
+ if (*end) {
+ LOGE("%s: Expected scan code number, got '%s'.", mTokenizer->getLocation().string(),
+ scanCodeToken.string());
+ return BAD_VALUE;
}
-
- const size_t N = m_keys.size();
- for (size_t i=0; i<N; i++) {
- if (m_keys.valueAt(i).keycode == keycode) {
- outScancodes->add(m_keys.keyAt(i));
+ if (mMap->mKeys.indexOfKey(scanCode) >= 0) {
+ LOGE("%s: Duplicate entry for scan code '%s'.", mTokenizer->getLocation().string(),
+ scanCodeToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
+ int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());
+ if (!keyCode) {
+ LOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
+ keyCodeToken.string());
+ return BAD_VALUE;
+ }
+
+ uint32_t flags = 0;
+ for (;;) {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ if (mTokenizer->isEol()) break;
+
+ String8 flagToken = mTokenizer->nextToken(WHITESPACE);
+ uint32_t flag = getKeyFlagByLabel(flagToken.string());
+ if (!flag) {
+ LOGE("%s: Expected flag label, got '%s'.", mTokenizer->getLocation().string(),
+ flagToken.string());
+ return BAD_VALUE;
}
+ if (flags & flag) {
+ LOGE("%s: Duplicate flag '%s'.", mTokenizer->getLocation().string(),
+ flagToken.string());
+ return BAD_VALUE;
+ }
+ flags |= flag;
}
-
+
+#if DEBUG_PARSER
+ LOGD("Parsed key: scanCode=%d, keyCode=%d, flags=0x%08x.", scanCode, keyCode, flags);
+#endif
+ Key key;
+ key.keyCode = keyCode;
+ key.flags = flags;
+ mMap->mKeys.add(scanCode, key);
return NO_ERROR;
}
diff --git a/libs/ui/KeyLayoutMap.h b/libs/ui/KeyLayoutMap.h
deleted file mode 100644
index 43f84ce..0000000
--- a/libs/ui/KeyLayoutMap.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef KEYLAYOUTMAP_H
-#define KEYLAYOUTMAP_H
-
-#include <utils/KeyedVector.h>
-
-namespace android {
-
-class KeyLayoutMap
-{
-public:
- KeyLayoutMap();
- ~KeyLayoutMap();
-
- status_t load(const char* filename);
-
- status_t map(int32_t scancode, int32_t *keycode, uint32_t *flags) const;
- status_t findScancodes(int32_t keycode, Vector<int32_t>* outScancodes) const;
-
-private:
- struct Key {
- int32_t keycode;
- uint32_t flags;
- };
-
- status_t m_status;
- KeyedVector<int32_t,Key> m_keys;
-};
-
-};
-
-#endif // KEYLAYOUTMAP_H
diff --git a/libs/ui/Keyboard.cpp b/libs/ui/Keyboard.cpp
new file mode 100644
index 0000000..de76e25
--- /dev/null
+++ b/libs/ui/Keyboard.cpp
@@ -0,0 +1,244 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Keyboard"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include <ui/Keyboard.h>
+#include <ui/KeycodeLabels.h>
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <cutils/properties.h>
+
+namespace android {
+
+static void selectKeyMap(KeyMapInfo& keyMapInfo, const String8& keyMapName, bool defaultKeyMap) {
+ if (keyMapInfo.keyMapName.isEmpty()) {
+ keyMapInfo.keyMapName.setTo(keyMapName);
+ keyMapInfo.isDefaultKeyMap = defaultKeyMap;
+ }
+}
+
+static bool probeKeyMap(KeyMapInfo& keyMapInfo, const String8& keyMapName, bool defaultKeyMap) {
+ const char* root = getenv("ANDROID_ROOT");
+
+ // TODO Consider also looking somewhere in a writeable partition like /data for a
+ // custom keymap supplied by the user for this device.
+ bool haveKeyLayout = !keyMapInfo.keyLayoutFile.isEmpty();
+ if (!haveKeyLayout) {
+ keyMapInfo.keyLayoutFile.setTo(root);
+ keyMapInfo.keyLayoutFile.append("/usr/keylayout/");
+ keyMapInfo.keyLayoutFile.append(keyMapName);
+ keyMapInfo.keyLayoutFile.append(".kl");
+ if (access(keyMapInfo.keyLayoutFile.string(), R_OK)) {
+ keyMapInfo.keyLayoutFile.clear();
+ } else {
+ haveKeyLayout = true;
+ }
+ }
+
+ bool haveKeyCharacterMap = !keyMapInfo.keyCharacterMapFile.isEmpty();
+ if (!haveKeyCharacterMap) {
+ keyMapInfo.keyCharacterMapFile.setTo(root);
+ keyMapInfo.keyCharacterMapFile.append("/usr/keychars/");
+ keyMapInfo.keyCharacterMapFile.append(keyMapName);
+ keyMapInfo.keyCharacterMapFile.append(".kcm");
+ if (access(keyMapInfo.keyCharacterMapFile.string(), R_OK)) {
+ keyMapInfo.keyCharacterMapFile.clear();
+ } else {
+ haveKeyCharacterMap = true;
+ }
+ }
+
+ if (haveKeyLayout || haveKeyCharacterMap) {
+ selectKeyMap(keyMapInfo, keyMapName, defaultKeyMap);
+ }
+ return haveKeyLayout && haveKeyCharacterMap;
+}
+
+status_t resolveKeyMap(const String8& deviceName, KeyMapInfo& outKeyMapInfo) {
+ // As an initial key map name, try using the device name.
+ String8 keyMapName(deviceName);
+ char* p = keyMapName.lockBuffer(keyMapName.size());
+ while (*p) {
+ if (*p == ' ') *p = '_';
+ p++;
+ }
+ keyMapName.unlockBuffer();
+
+ if (probeKeyMap(outKeyMapInfo, keyMapName, false)) return OK;
+
+ // TODO Consider allowing the user to configure a specific key map somehow.
+
+ // Try the Generic key map.
+ // TODO Apply some additional heuristics here to figure out what kind of
+ // generic key map to use (US English, etc.).
+ keyMapName.setTo("Generic");
+ if (probeKeyMap(outKeyMapInfo, keyMapName, true)) return OK;
+
+ // Give up!
+ keyMapName.setTo("unknown");
+ selectKeyMap(outKeyMapInfo, keyMapName, true);
+ LOGE("Could not determine key map for device '%s'.", deviceName.string());
+ return NAME_NOT_FOUND;
+}
+
+void setKeyboardProperties(int32_t deviceId, const String8& deviceName,
+ const KeyMapInfo& keyMapInfo) {
+ char propName[PROPERTY_KEY_MAX];
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.devname", deviceId);
+ property_set(propName, deviceName.string());
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.keymap", deviceId);
+ property_set(propName, keyMapInfo.keyMapName.string());
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.klfile", deviceId);
+ property_set(propName, keyMapInfo.keyLayoutFile.string());
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
+ property_set(propName, keyMapInfo.keyCharacterMapFile.string());
+}
+
+void clearKeyboardProperties(int32_t deviceId) {
+ char propName[PROPERTY_KEY_MAX];
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.devname", deviceId);
+ property_set(propName, "");
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.keymap", deviceId);
+ property_set(propName, "");
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.klfile", deviceId);
+ property_set(propName, "");
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
+ property_set(propName, "");
+}
+
+status_t getKeyCharacterMapFile(int32_t deviceId, String8& outKeyCharacterMapFile) {
+ char propName[PROPERTY_KEY_MAX];
+ char fn[PROPERTY_VALUE_MAX];
+ snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
+ if (property_get(propName, fn, "") > 0) {
+ outKeyCharacterMapFile.setTo(fn);
+ return OK;
+ }
+
+ const char* root = getenv("ANDROID_ROOT");
+ char path[PATH_MAX];
+ if (deviceId == DEVICE_ID_VIRTUAL_KEYBOARD) {
+ snprintf(path, sizeof(path), "%s/usr/keychars/Virtual.kcm", root);
+ if (!access(path, R_OK)) {
+ outKeyCharacterMapFile.setTo(path);
+ return OK;
+ }
+ }
+
+ snprintf(path, sizeof(path), "%s/usr/keychars/Generic.kcm", root);
+ if (!access(path, R_OK)) {
+ outKeyCharacterMapFile.setTo(path);
+ return OK;
+ }
+
+ LOGE("Can't find any key character map files (also tried %s)", path);
+ return NAME_NOT_FOUND;
+}
+
+static int lookupLabel(const char* literal, const KeycodeLabel *list) {
+ while (list->literal) {
+ if (strcmp(literal, list->literal) == 0) {
+ return list->value;
+ }
+ list++;
+ }
+ return list->value;
+}
+
+int32_t getKeyCodeByLabel(const char* label) {
+ return int32_t(lookupLabel(label, KEYCODES));
+}
+
+uint32_t getKeyFlagByLabel(const char* label) {
+ return uint32_t(lookupLabel(label, FLAGS));
+}
+
+static int32_t setEphemeralMetaState(int32_t mask, bool down, int32_t oldMetaState) {
+ int32_t newMetaState;
+ if (down) {
+ newMetaState = oldMetaState | mask;
+ } else {
+ newMetaState = oldMetaState &
+ ~(mask | AMETA_ALT_ON | AMETA_SHIFT_ON | AMETA_CTRL_ON | AMETA_META_ON);
+ }
+
+ if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
+ newMetaState |= AMETA_ALT_ON;
+ }
+
+ if (newMetaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
+ newMetaState |= AMETA_SHIFT_ON;
+ }
+
+ if (newMetaState & (AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
+ newMetaState |= AMETA_CTRL_ON;
+ }
+
+ if (newMetaState & (AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON)) {
+ newMetaState |= AMETA_META_ON;
+ }
+ return newMetaState;
+}
+
+static int32_t toggleLockedMetaState(int32_t mask, bool down, int32_t oldMetaState) {
+ if (down) {
+ return oldMetaState;
+ } else {
+ return oldMetaState ^ mask;
+ }
+}
+
+int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
+ int32_t mask;
+ switch (keyCode) {
+ case AKEYCODE_ALT_LEFT:
+ return setEphemeralMetaState(AMETA_ALT_LEFT_ON, down, oldMetaState);
+ case AKEYCODE_ALT_RIGHT:
+ return setEphemeralMetaState(AMETA_ALT_RIGHT_ON, down, oldMetaState);
+ case AKEYCODE_SHIFT_LEFT:
+ return setEphemeralMetaState(AMETA_SHIFT_LEFT_ON, down, oldMetaState);
+ case AKEYCODE_SHIFT_RIGHT:
+ return setEphemeralMetaState(AMETA_SHIFT_RIGHT_ON, down, oldMetaState);
+ case AKEYCODE_SYM:
+ return setEphemeralMetaState(AMETA_SYM_ON, down, oldMetaState);
+ case AKEYCODE_FUNCTION:
+ return setEphemeralMetaState(AMETA_FUNCTION_ON, down, oldMetaState);
+ case AKEYCODE_CTRL_LEFT:
+ return setEphemeralMetaState(AMETA_CTRL_LEFT_ON, down, oldMetaState);
+ case AKEYCODE_CTRL_RIGHT:
+ return setEphemeralMetaState(AMETA_CTRL_RIGHT_ON, down, oldMetaState);
+ case AKEYCODE_META_LEFT:
+ return setEphemeralMetaState(AMETA_META_LEFT_ON, down, oldMetaState);
+ case AKEYCODE_META_RIGHT:
+ return setEphemeralMetaState(AMETA_META_RIGHT_ON, down, oldMetaState);
+ case AKEYCODE_CAPS_LOCK:
+ return toggleLockedMetaState(AMETA_CAPS_LOCK_ON, down, oldMetaState);
+ case AKEYCODE_NUM_LOCK:
+ return toggleLockedMetaState(AMETA_NUM_LOCK_ON, down, oldMetaState);
+ case AKEYCODE_SCROLL_LOCK:
+ return toggleLockedMetaState(AMETA_SCROLL_LOCK_ON, down, oldMetaState);
+ default:
+ return oldMetaState;
+ }
+}
+
+
+} // namespace android
diff --git a/libs/ui/tests/InputDispatcher_test.cpp b/libs/ui/tests/InputDispatcher_test.cpp
index 8874dfe..f352dbf 100644
--- a/libs/ui/tests/InputDispatcher_test.cpp
+++ b/libs/ui/tests/InputDispatcher_test.cpp
@@ -67,6 +67,11 @@ private:
return false;
}
+ virtual bool dispatchUnhandledKey(const sp<InputChannel>& inputChannel,
+ const KeyEvent* keyEvent, uint32_t policyFlags) {
+ return false;
+ }
+
virtual void notifySwitch(nsecs_t when,
int32_t switchCode, int32_t switchValue, uint32_t policyFlags) {
}
diff --git a/libs/ui/tests/InputPublisherAndConsumer_test.cpp b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
index 952b974..c6eac25 100644
--- a/libs/ui/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
@@ -118,13 +118,16 @@ void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
EXPECT_EQ(downTime, keyEvent->getDownTime());
EXPECT_EQ(eventTime, keyEvent->getEventTime());
- status = mConsumer->sendFinishedSignal();
+ status = mConsumer->sendFinishedSignal(true);
ASSERT_EQ(OK, status)
<< "consumer sendFinishedSignal should return OK";
- status = mPublisher->receiveFinishedSignal();
+ bool handled = false;
+ status = mPublisher->receiveFinishedSignal(handled);
ASSERT_EQ(OK, status)
<< "publisher receiveFinishedSignal should return OK";
+ ASSERT_TRUE(handled)
+ << "publisher receiveFinishedSignal should have set handled to consumer's reply";
status = mPublisher->reset();
ASSERT_EQ(OK, status)
@@ -279,13 +282,16 @@ void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent(
EXPECT_EQ(samplePointerCoords[offset].orientation, motionEvent->getOrientation(i));
}
- status = mConsumer->sendFinishedSignal();
+ status = mConsumer->sendFinishedSignal(false);
ASSERT_EQ(OK, status)
<< "consumer sendFinishedSignal should return OK";
- status = mPublisher->receiveFinishedSignal();
+ bool handled = true;
+ status = mPublisher->receiveFinishedSignal(handled);
ASSERT_EQ(OK, status)
<< "publisher receiveFinishedSignal should return OK";
+ ASSERT_FALSE(handled)
+ << "publisher receiveFinishedSignal should have set handled to consumer's reply";
status = mPublisher->reset();
ASSERT_EQ(OK, status)
diff --git a/libs/ui/tests/InputReader_test.cpp b/libs/ui/tests/InputReader_test.cpp
index de4b05a..ded0225 100644
--- a/libs/ui/tests/InputReader_test.cpp
+++ b/libs/ui/tests/InputReader_test.cpp
@@ -342,6 +342,12 @@ private:
ADD_FAILURE() << "Should never be called by input reader.";
}
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ return 0;
+ }
+
virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) {
ADD_FAILURE() << "Should never be called by input reader.";
return 0;
@@ -370,6 +376,7 @@ class FakeEventHub : public EventHubInterface {
KeyedVector<int32_t, int32_t> scanCodeStates;
KeyedVector<int32_t, int32_t> switchStates;
KeyedVector<int32_t, KeyInfo> keys;
+ KeyedVector<int32_t, bool> leds;
Device(const String8& name, uint32_t classes) :
name(name), classes(classes) {
@@ -444,6 +451,16 @@ public:
device->keys.add(scanCode, info);
}
+ void addLed(int32_t deviceId, int32_t led, bool initialState) {
+ Device* device = getDevice(deviceId);
+ device->leds.add(led, initialState);
+ }
+
+ bool getLedState(int32_t deviceId, int32_t led) {
+ Device* device = getDevice(deviceId);
+ return device->leds.valueFor(led);
+ }
+
Vector<String8>& getExcludedDevices() {
return mExcludedDevices;
}
@@ -577,6 +594,25 @@ private:
return result;
}
+ virtual bool hasLed(int32_t deviceId, int32_t led) const {
+ Device* device = getDevice(deviceId);
+ return device && device->leds.indexOfKey(led) >= 0;
+ }
+
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on) {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->leds.indexOfKey(led);
+ if (index >= 0) {
+ device->leds.replaceValueAt(led, on);
+ } else {
+ ADD_FAILURE()
+ << "Attempted to set the state of an LED that the EventHub declared "
+ "was not present. led=" << led;
+ }
+ }
+ }
+
virtual void dump(String8& dump) {
}
};
@@ -1690,6 +1726,81 @@ TEST_F(KeyboardInputMapperTest, MarkSupportedKeyCodes) {
ASSERT_FALSE(flags[1]);
}
+TEST_F(KeyboardInputMapperTest, Process_LockedKeysShouldToggleMetaStateAndLeds) {
+ mFakeEventHub->addLed(DEVICE_ID, LED_CAPSL, true /*initially on*/);
+ mFakeEventHub->addLed(DEVICE_ID, LED_NUML, false /*initially off*/);
+ mFakeEventHub->addLed(DEVICE_ID, LED_SCROLLL, false /*initially off*/);
+
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Initialization should have turned all of the lights off.
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+
+ // Toggle caps lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 0, 0);
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_CAPS_LOCK_ON, mapper->getMetaState());
+
+ // Toggle num lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 0, 0);
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_CAPS_LOCK_ON | AMETA_NUM_LOCK_ON, mapper->getMetaState());
+
+ // Toggle caps lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 1, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NUM_LOCK_ON, mapper->getMetaState());
+
+ // Toggle scroll lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NUM_LOCK_ON | AMETA_SCROLL_LOCK_ON, mapper->getMetaState());
+
+ // Toggle num lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_SCROLL_LOCK_ON, mapper->getMetaState());
+
+ // Toggle scroll lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+}
+
// --- TrackballInputMapperTest ---
generated by cgit v1.1 at 2025-08-22 00:13:44 +0000