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-rw-r--r--services/jni/com_android_server_input_InputManagerService.cpp1473
1 files changed, 1473 insertions, 0 deletions
diff --git a/services/jni/com_android_server_input_InputManagerService.cpp b/services/jni/com_android_server_input_InputManagerService.cpp
new file mode 100644
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--- /dev/null
+++ b/services/jni/com_android_server_input_InputManagerService.cpp
@@ -0,0 +1,1473 @@
+/*
+ * 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 "InputManager-JNI"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages about InputReaderPolicy
+#define DEBUG_INPUT_READER_POLICY 0
+
+// Log debug messages about InputDispatcherPolicy
+#define DEBUG_INPUT_DISPATCHER_POLICY 0
+
+
+#include "JNIHelp.h"
+#include "jni.h"
+#include <limits.h>
+#include <android_runtime/AndroidRuntime.h>
+
+#include <utils/Log.h>
+#include <utils/Looper.h>
+#include <utils/threads.h>
+
+#include <input/InputManager.h>
+#include <input/PointerController.h>
+#include <input/SpriteController.h>
+
+#include <android_os_MessageQueue.h>
+#include <android_view_KeyEvent.h>
+#include <android_view_MotionEvent.h>
+#include <android_view_InputChannel.h>
+#include <android_view_PointerIcon.h>
+#include <android/graphics/GraphicsJNI.h>
+
+#include "com_android_server_PowerManagerService.h"
+#include "com_android_server_input_InputApplicationHandle.h"
+#include "com_android_server_input_InputWindowHandle.h"
+
+namespace android {
+
+// The exponent used to calculate the pointer speed scaling factor.
+// The scaling factor is calculated as 2 ^ (speed * exponent),
+// where the speed ranges from -7 to + 7 and is supplied by the user.
+static const float POINTER_SPEED_EXPONENT = 1.0f / 4;
+
+static struct {
+ jmethodID notifyConfigurationChanged;
+ jmethodID notifyLidSwitchChanged;
+ jmethodID notifyInputChannelBroken;
+ jmethodID notifyANR;
+ jmethodID filterInputEvent;
+ jmethodID interceptKeyBeforeQueueing;
+ jmethodID interceptMotionBeforeQueueingWhenScreenOff;
+ jmethodID interceptKeyBeforeDispatching;
+ jmethodID dispatchUnhandledKey;
+ jmethodID checkInjectEventsPermission;
+ jmethodID getVirtualKeyQuietTimeMillis;
+ jmethodID getExcludedDeviceNames;
+ jmethodID getKeyRepeatTimeout;
+ jmethodID getKeyRepeatDelay;
+ jmethodID getHoverTapTimeout;
+ jmethodID getHoverTapSlop;
+ jmethodID getDoubleTapTimeout;
+ jmethodID getLongPressTimeout;
+ jmethodID getPointerLayer;
+ jmethodID getPointerIcon;
+} gServiceClassInfo;
+
+static struct {
+ jclass clazz;
+} gKeyEventClassInfo;
+
+static struct {
+ jclass clazz;
+} gMotionEventClassInfo;
+
+static struct {
+ jclass clazz;
+
+ jmethodID ctor;
+ jmethodID addMotionRange;
+
+ jfieldID mId;
+ jfieldID mName;
+ jfieldID mSources;
+ jfieldID mKeyboardType;
+ jfieldID mKeyCharacterMapFile;
+} gInputDeviceClassInfo;
+
+static struct {
+ jfieldID touchscreen;
+ jfieldID keyboard;
+ jfieldID navigation;
+} gConfigurationClassInfo;
+
+
+// --- Global functions ---
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+ return a < b ? a : b;
+}
+
+template<typename T>
+inline static T max(const T& a, const T& b) {
+ return a > b ? a : b;
+}
+
+static jobject getInputApplicationHandleObjLocalRef(JNIEnv* env,
+ const sp<InputApplicationHandle>& inputApplicationHandle) {
+ if (inputApplicationHandle == NULL) {
+ return NULL;
+ }
+ return static_cast<NativeInputApplicationHandle*>(inputApplicationHandle.get())->
+ getInputApplicationHandleObjLocalRef(env);
+}
+
+static jobject getInputWindowHandleObjLocalRef(JNIEnv* env,
+ const sp<InputWindowHandle>& inputWindowHandle) {
+ if (inputWindowHandle == NULL) {
+ return NULL;
+ }
+ return static_cast<NativeInputWindowHandle*>(inputWindowHandle.get())->
+ getInputWindowHandleObjLocalRef(env);
+}
+
+static void loadSystemIconAsSprite(JNIEnv* env, jobject contextObj, int32_t style,
+ SpriteIcon* outSpriteIcon) {
+ PointerIcon pointerIcon;
+ status_t status = android_view_PointerIcon_loadSystemIcon(env,
+ contextObj, style, &pointerIcon);
+ if (!status) {
+ pointerIcon.bitmap.copyTo(&outSpriteIcon->bitmap, SkBitmap::kARGB_8888_Config);
+ outSpriteIcon->hotSpotX = pointerIcon.hotSpotX;
+ outSpriteIcon->hotSpotY = pointerIcon.hotSpotY;
+ }
+}
+
+enum {
+ WM_ACTION_PASS_TO_USER = 1,
+ WM_ACTION_POKE_USER_ACTIVITY = 2,
+ WM_ACTION_GO_TO_SLEEP = 4,
+};
+
+
+// --- NativeInputManager ---
+
+class NativeInputManager : public virtual RefBase,
+ public virtual InputReaderPolicyInterface,
+ public virtual InputDispatcherPolicyInterface,
+ public virtual PointerControllerPolicyInterface {
+protected:
+ virtual ~NativeInputManager();
+
+public:
+ NativeInputManager(jobject contextObj, jobject serviceObj, const sp<Looper>& looper);
+
+ inline sp<InputManager> getInputManager() const { return mInputManager; }
+
+ void dump(String8& dump);
+
+ void setDisplaySize(int32_t displayId, int32_t width, int32_t height,
+ int32_t externalWidth, int32_t externalHeight);
+ void setDisplayOrientation(int32_t displayId, int32_t orientation);
+
+ status_t registerInputChannel(JNIEnv* env, const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor);
+ status_t unregisterInputChannel(JNIEnv* env, const sp<InputChannel>& inputChannel);
+
+ void setInputWindows(JNIEnv* env, jobjectArray windowHandleObjArray);
+ void setFocusedApplication(JNIEnv* env, jobject applicationHandleObj);
+ void setInputDispatchMode(bool enabled, bool frozen);
+ void setSystemUiVisibility(int32_t visibility);
+ void setPointerSpeed(int32_t speed);
+ void setShowTouches(bool enabled);
+
+ /* --- InputReaderPolicyInterface implementation --- */
+
+ virtual void getReaderConfiguration(InputReaderConfiguration* outConfig);
+ virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId);
+
+ /* --- InputDispatcherPolicyInterface implementation --- */
+
+ virtual void notifySwitch(nsecs_t when, int32_t switchCode, int32_t switchValue,
+ uint32_t policyFlags);
+ virtual void notifyConfigurationChanged(nsecs_t when);
+ virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputWindowHandle>& inputWindowHandle);
+ virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle);
+ virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags);
+ virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig);
+ virtual bool isKeyRepeatEnabled();
+ virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags);
+ virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags);
+ virtual nsecs_t interceptKeyBeforeDispatching(
+ const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags);
+ virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent);
+ virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType);
+ virtual bool checkInjectEventsPermissionNonReentrant(
+ int32_t injectorPid, int32_t injectorUid);
+
+ /* --- PointerControllerPolicyInterface implementation --- */
+
+ virtual void loadPointerResources(PointerResources* outResources);
+
+private:
+ sp<InputManager> mInputManager;
+
+ jobject mContextObj;
+ jobject mServiceObj;
+ sp<Looper> mLooper;
+
+ Mutex mLock;
+ struct Locked {
+ // Display size information.
+ int32_t displayWidth, displayHeight; // -1 when not initialized
+ int32_t displayExternalWidth, displayExternalHeight; // -1 when not initialized
+ int32_t displayOrientation;
+
+ // System UI visibility.
+ int32_t systemUiVisibility;
+
+ // Pointer speed.
+ int32_t pointerSpeed;
+
+ // True if pointer gestures are enabled.
+ bool pointerGesturesEnabled;
+
+ // Show touches feature enable/disable.
+ bool showTouches;
+
+ // Sprite controller singleton, created on first use.
+ sp<SpriteController> spriteController;
+
+ // Pointer controller singleton, created and destroyed as needed.
+ wp<PointerController> pointerController;
+ } mLocked;
+
+ void updateInactivityTimeoutLocked(const sp<PointerController>& controller);
+ void handleInterceptActions(jint wmActions, nsecs_t when, uint32_t& policyFlags);
+ void ensureSpriteControllerLocked();
+
+ // Power manager interactions.
+ bool isScreenOn();
+ bool isScreenBright();
+
+ static bool checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName);
+
+ static inline JNIEnv* jniEnv() {
+ return AndroidRuntime::getJNIEnv();
+ }
+};
+
+
+
+NativeInputManager::NativeInputManager(jobject contextObj,
+ jobject serviceObj, const sp<Looper>& looper) :
+ mLooper(looper) {
+ JNIEnv* env = jniEnv();
+
+ mContextObj = env->NewGlobalRef(contextObj);
+ mServiceObj = env->NewGlobalRef(serviceObj);
+
+ {
+ AutoMutex _l(mLock);
+ mLocked.displayWidth = -1;
+ mLocked.displayHeight = -1;
+ mLocked.displayExternalWidth = -1;
+ mLocked.displayExternalHeight = -1;
+ mLocked.displayOrientation = DISPLAY_ORIENTATION_0;
+
+ mLocked.systemUiVisibility = ASYSTEM_UI_VISIBILITY_STATUS_BAR_VISIBLE;
+ mLocked.pointerSpeed = 0;
+ mLocked.pointerGesturesEnabled = true;
+ mLocked.showTouches = false;
+ }
+
+ sp<EventHub> eventHub = new EventHub();
+ mInputManager = new InputManager(eventHub, this, this);
+}
+
+NativeInputManager::~NativeInputManager() {
+ JNIEnv* env = jniEnv();
+
+ env->DeleteGlobalRef(mContextObj);
+ env->DeleteGlobalRef(mServiceObj);
+}
+
+void NativeInputManager::dump(String8& dump) {
+ mInputManager->getReader()->dump(dump);
+ dump.append("\n");
+
+ mInputManager->getDispatcher()->dump(dump);
+ dump.append("\n");
+}
+
+bool NativeInputManager::checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) {
+ if (env->ExceptionCheck()) {
+ ALOGE("An exception was thrown by callback '%s'.", methodName);
+ LOGE_EX(env);
+ env->ExceptionClear();
+ return true;
+ }
+ return false;
+}
+
+void NativeInputManager::setDisplaySize(int32_t displayId, int32_t width, int32_t height,
+ int32_t externalWidth, int32_t externalHeight) {
+ bool changed = false;
+ if (displayId == 0) {
+ AutoMutex _l(mLock);
+
+ if (mLocked.displayWidth != width || mLocked.displayHeight != height) {
+ changed = true;
+ mLocked.displayWidth = width;
+ mLocked.displayHeight = height;
+
+ sp<PointerController> controller = mLocked.pointerController.promote();
+ if (controller != NULL) {
+ controller->setDisplaySize(width, height);
+ }
+ }
+
+ if (mLocked.displayExternalWidth != externalWidth
+ || mLocked.displayExternalHeight != externalHeight) {
+ changed = true;
+ mLocked.displayExternalWidth = externalWidth;
+ mLocked.displayExternalHeight = externalHeight;
+ }
+ }
+
+ if (changed) {
+ mInputManager->getReader()->requestRefreshConfiguration(
+ InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+ }
+}
+
+void NativeInputManager::setDisplayOrientation(int32_t displayId, int32_t orientation) {
+ bool changed = false;
+ if (displayId == 0) {
+ AutoMutex _l(mLock);
+
+ if (mLocked.displayOrientation != orientation) {
+ changed = true;
+ mLocked.displayOrientation = orientation;
+
+ sp<PointerController> controller = mLocked.pointerController.promote();
+ if (controller != NULL) {
+ controller->setDisplayOrientation(orientation);
+ }
+ }
+ }
+
+ if (changed) {
+ mInputManager->getReader()->requestRefreshConfiguration(
+ InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+ }
+}
+
+status_t NativeInputManager::registerInputChannel(JNIEnv* env,
+ const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor) {
+ return mInputManager->getDispatcher()->registerInputChannel(
+ inputChannel, inputWindowHandle, monitor);
+}
+
+status_t NativeInputManager::unregisterInputChannel(JNIEnv* env,
+ const sp<InputChannel>& inputChannel) {
+ return mInputManager->getDispatcher()->unregisterInputChannel(inputChannel);
+}
+
+void NativeInputManager::getReaderConfiguration(InputReaderConfiguration* outConfig) {
+ JNIEnv* env = jniEnv();
+
+ jint virtualKeyQuietTime = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getVirtualKeyQuietTimeMillis);
+ if (!checkAndClearExceptionFromCallback(env, "getVirtualKeyQuietTimeMillis")) {
+ outConfig->virtualKeyQuietTime = milliseconds_to_nanoseconds(virtualKeyQuietTime);
+ }
+
+ outConfig->excludedDeviceNames.clear();
+ jobjectArray excludedDeviceNames = jobjectArray(env->CallObjectMethod(mServiceObj,
+ gServiceClassInfo.getExcludedDeviceNames));
+ if (!checkAndClearExceptionFromCallback(env, "getExcludedDeviceNames") && excludedDeviceNames) {
+ jsize length = env->GetArrayLength(excludedDeviceNames);
+ for (jsize i = 0; i < length; i++) {
+ jstring item = jstring(env->GetObjectArrayElement(excludedDeviceNames, i));
+ const char* deviceNameChars = env->GetStringUTFChars(item, NULL);
+ outConfig->excludedDeviceNames.add(String8(deviceNameChars));
+ env->ReleaseStringUTFChars(item, deviceNameChars);
+ env->DeleteLocalRef(item);
+ }
+ env->DeleteLocalRef(excludedDeviceNames);
+ }
+
+ jint hoverTapTimeout = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getHoverTapTimeout);
+ if (!checkAndClearExceptionFromCallback(env, "getHoverTapTimeout")) {
+ jint doubleTapTimeout = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getDoubleTapTimeout);
+ if (!checkAndClearExceptionFromCallback(env, "getDoubleTapTimeout")) {
+ jint longPressTimeout = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getLongPressTimeout);
+ if (!checkAndClearExceptionFromCallback(env, "getLongPressTimeout")) {
+ outConfig->pointerGestureTapInterval = milliseconds_to_nanoseconds(hoverTapTimeout);
+
+ // We must ensure that the tap-drag interval is significantly shorter than
+ // the long-press timeout because the tap is held down for the entire duration
+ // of the double-tap timeout.
+ jint tapDragInterval = max(min(longPressTimeout - 100,
+ doubleTapTimeout), hoverTapTimeout);
+ outConfig->pointerGestureTapDragInterval =
+ milliseconds_to_nanoseconds(tapDragInterval);
+ }
+ }
+ }
+
+ jint hoverTapSlop = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getHoverTapSlop);
+ if (!checkAndClearExceptionFromCallback(env, "getHoverTapSlop")) {
+ outConfig->pointerGestureTapSlop = hoverTapSlop;
+ }
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ outConfig->pointerVelocityControlParameters.scale = exp2f(mLocked.pointerSpeed
+ * POINTER_SPEED_EXPONENT);
+ outConfig->pointerGesturesEnabled = mLocked.pointerGesturesEnabled;
+
+ outConfig->showTouches = mLocked.showTouches;
+
+ outConfig->setDisplayInfo(0, false /*external*/,
+ mLocked.displayWidth, mLocked.displayHeight, mLocked.displayOrientation);
+ outConfig->setDisplayInfo(0, true /*external*/,
+ mLocked.displayExternalWidth, mLocked.displayExternalHeight,
+ mLocked.displayOrientation);
+ } // release lock
+}
+
+sp<PointerControllerInterface> NativeInputManager::obtainPointerController(int32_t deviceId) {
+ AutoMutex _l(mLock);
+
+ sp<PointerController> controller = mLocked.pointerController.promote();
+ if (controller == NULL) {
+ ensureSpriteControllerLocked();
+
+ controller = new PointerController(this, mLooper, mLocked.spriteController);
+ mLocked.pointerController = controller;
+
+ controller->setDisplaySize(mLocked.displayWidth, mLocked.displayHeight);
+ controller->setDisplayOrientation(mLocked.displayOrientation);
+
+ JNIEnv* env = jniEnv();
+ jobject pointerIconObj = env->CallObjectMethod(mServiceObj,
+ gServiceClassInfo.getPointerIcon);
+ if (!checkAndClearExceptionFromCallback(env, "getPointerIcon")) {
+ PointerIcon pointerIcon;
+ status_t status = android_view_PointerIcon_load(env, pointerIconObj,
+ mContextObj, &pointerIcon);
+ if (!status && !pointerIcon.isNullIcon()) {
+ controller->setPointerIcon(SpriteIcon(pointerIcon.bitmap,
+ pointerIcon.hotSpotX, pointerIcon.hotSpotY));
+ } else {
+ controller->setPointerIcon(SpriteIcon());
+ }
+ env->DeleteLocalRef(pointerIconObj);
+ }
+
+ updateInactivityTimeoutLocked(controller);
+ }
+ return controller;
+}
+
+void NativeInputManager::ensureSpriteControllerLocked() {
+ if (mLocked.spriteController == NULL) {
+ JNIEnv* env = jniEnv();
+ jint layer = env->CallIntMethod(mServiceObj, gServiceClassInfo.getPointerLayer);
+ if (checkAndClearExceptionFromCallback(env, "getPointerLayer")) {
+ layer = -1;
+ }
+ mLocked.spriteController = new SpriteController(mLooper, layer);
+ }
+}
+
+void NativeInputManager::notifySwitch(nsecs_t when, int32_t switchCode,
+ int32_t switchValue, uint32_t policyFlags) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("notifySwitch - when=%lld, switchCode=%d, switchValue=%d, policyFlags=0x%x",
+ when, switchCode, switchValue, policyFlags);
+#endif
+
+ JNIEnv* env = jniEnv();
+
+ switch (switchCode) {
+ case SW_LID:
+ env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyLidSwitchChanged,
+ when, switchValue == 0);
+ checkAndClearExceptionFromCallback(env, "notifyLidSwitchChanged");
+ break;
+ }
+}
+
+void NativeInputManager::notifyConfigurationChanged(nsecs_t when) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("notifyConfigurationChanged - when=%lld", when);
+#endif
+
+ JNIEnv* env = jniEnv();
+
+ env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyConfigurationChanged, when);
+ checkAndClearExceptionFromCallback(env, "notifyConfigurationChanged");
+}
+
+nsecs_t NativeInputManager::notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputWindowHandle>& inputWindowHandle) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("notifyANR");
+#endif
+
+ JNIEnv* env = jniEnv();
+
+ jobject inputApplicationHandleObj =
+ getInputApplicationHandleObjLocalRef(env, inputApplicationHandle);
+ jobject inputWindowHandleObj =
+ getInputWindowHandleObjLocalRef(env, inputWindowHandle);
+
+ jlong newTimeout = env->CallLongMethod(mServiceObj,
+ gServiceClassInfo.notifyANR, inputApplicationHandleObj, inputWindowHandleObj);
+ if (checkAndClearExceptionFromCallback(env, "notifyANR")) {
+ newTimeout = 0; // abort dispatch
+ } else {
+ assert(newTimeout >= 0);
+ }
+
+ env->DeleteLocalRef(inputWindowHandleObj);
+ env->DeleteLocalRef(inputApplicationHandleObj);
+ return newTimeout;
+}
+
+void NativeInputManager::notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("notifyInputChannelBroken");
+#endif
+
+ JNIEnv* env = jniEnv();
+
+ jobject inputWindowHandleObj =
+ getInputWindowHandleObjLocalRef(env, inputWindowHandle);
+ if (inputWindowHandleObj) {
+ env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyInputChannelBroken,
+ inputWindowHandleObj);
+ checkAndClearExceptionFromCallback(env, "notifyInputChannelBroken");
+
+ env->DeleteLocalRef(inputWindowHandleObj);
+ }
+}
+
+void NativeInputManager::getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) {
+ JNIEnv* env = jniEnv();
+
+ jint keyRepeatTimeout = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getKeyRepeatTimeout);
+ if (!checkAndClearExceptionFromCallback(env, "getKeyRepeatTimeout")) {
+ outConfig->keyRepeatTimeout = milliseconds_to_nanoseconds(keyRepeatTimeout);
+ }
+
+ jint keyRepeatDelay = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.getKeyRepeatDelay);
+ if (!checkAndClearExceptionFromCallback(env, "getKeyRepeatDelay")) {
+ outConfig->keyRepeatDelay = milliseconds_to_nanoseconds(keyRepeatDelay);
+ }
+}
+
+bool NativeInputManager::isKeyRepeatEnabled() {
+ // Only enable automatic key repeating when the screen is on.
+ return isScreenOn();
+}
+
+void NativeInputManager::setInputWindows(JNIEnv* env, jobjectArray windowHandleObjArray) {
+ Vector<sp<InputWindowHandle> > windowHandles;
+
+ if (windowHandleObjArray) {
+ jsize length = env->GetArrayLength(windowHandleObjArray);
+ for (jsize i = 0; i < length; i++) {
+ jobject windowHandleObj = env->GetObjectArrayElement(windowHandleObjArray, i);
+ if (! windowHandleObj) {
+ break; // found null element indicating end of used portion of the array
+ }
+
+ sp<InputWindowHandle> windowHandle =
+ android_server_InputWindowHandle_getHandle(env, windowHandleObj);
+ if (windowHandle != NULL) {
+ windowHandles.push(windowHandle);
+ }
+ env->DeleteLocalRef(windowHandleObj);
+ }
+ }
+
+ mInputManager->getDispatcher()->setInputWindows(windowHandles);
+
+ // Do this after the dispatcher has updated the window handle state.
+ bool newPointerGesturesEnabled = true;
+ size_t numWindows = windowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ const sp<InputWindowHandle>& windowHandle = windowHandles.itemAt(i);
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+ if (windowInfo && windowInfo->hasFocus && (windowInfo->inputFeatures
+ & InputWindowInfo::INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES)) {
+ newPointerGesturesEnabled = false;
+ }
+ }
+
+ uint32_t changes = 0;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.pointerGesturesEnabled != newPointerGesturesEnabled) {
+ mLocked.pointerGesturesEnabled = newPointerGesturesEnabled;
+ changes |= InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT;
+ }
+ } // release lock
+
+ if (changes) {
+ mInputManager->getReader()->requestRefreshConfiguration(changes);
+ }
+}
+
+void NativeInputManager::setFocusedApplication(JNIEnv* env, jobject applicationHandleObj) {
+ sp<InputApplicationHandle> applicationHandle =
+ android_server_InputApplicationHandle_getHandle(env, applicationHandleObj);
+ mInputManager->getDispatcher()->setFocusedApplication(applicationHandle);
+}
+
+void NativeInputManager::setInputDispatchMode(bool enabled, bool frozen) {
+ mInputManager->getDispatcher()->setInputDispatchMode(enabled, frozen);
+}
+
+void NativeInputManager::setSystemUiVisibility(int32_t visibility) {
+ AutoMutex _l(mLock);
+
+ if (mLocked.systemUiVisibility != visibility) {
+ mLocked.systemUiVisibility = visibility;
+
+ sp<PointerController> controller = mLocked.pointerController.promote();
+ if (controller != NULL) {
+ updateInactivityTimeoutLocked(controller);
+ }
+ }
+}
+
+void NativeInputManager::updateInactivityTimeoutLocked(const sp<PointerController>& controller) {
+ bool lightsOut = mLocked.systemUiVisibility & ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN;
+ controller->setInactivityTimeout(lightsOut
+ ? PointerController::INACTIVITY_TIMEOUT_SHORT
+ : PointerController::INACTIVITY_TIMEOUT_NORMAL);
+}
+
+void NativeInputManager::setPointerSpeed(int32_t speed) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.pointerSpeed == speed) {
+ return;
+ }
+
+ ALOGI("Setting pointer speed to %d.", speed);
+ mLocked.pointerSpeed = speed;
+ } // release lock
+
+ mInputManager->getReader()->requestRefreshConfiguration(
+ InputReaderConfiguration::CHANGE_POINTER_SPEED);
+}
+
+void NativeInputManager::setShowTouches(bool enabled) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.showTouches == enabled) {
+ return;
+ }
+
+ ALOGI("Setting show touches feature to %s.", enabled ? "enabled" : "disabled");
+ mLocked.showTouches = enabled;
+ } // release lock
+
+ mInputManager->getReader()->requestRefreshConfiguration(
+ InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+}
+
+bool NativeInputManager::isScreenOn() {
+ return android_server_PowerManagerService_isScreenOn();
+}
+
+bool NativeInputManager::isScreenBright() {
+ return android_server_PowerManagerService_isScreenBright();
+}
+
+bool NativeInputManager::filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) {
+ jobject inputEventObj;
+
+ JNIEnv* env = jniEnv();
+ switch (inputEvent->getType()) {
+ case AINPUT_EVENT_TYPE_KEY:
+ inputEventObj = android_view_KeyEvent_fromNative(env,
+ static_cast<const KeyEvent*>(inputEvent));
+ break;
+ case AINPUT_EVENT_TYPE_MOTION:
+ inputEventObj = android_view_MotionEvent_obtainAsCopy(env,
+ static_cast<const MotionEvent*>(inputEvent));
+ break;
+ default:
+ return true; // dispatch the event normally
+ }
+
+ if (!inputEventObj) {
+ ALOGE("Failed to obtain input event object for filterInputEvent.");
+ return true; // dispatch the event normally
+ }
+
+ // The callee is responsible for recycling the event.
+ jboolean pass = env->CallBooleanMethod(mServiceObj, gServiceClassInfo.filterInputEvent,
+ inputEventObj, policyFlags);
+ if (checkAndClearExceptionFromCallback(env, "filterInputEvent")) {
+ pass = true;
+ }
+ env->DeleteLocalRef(inputEventObj);
+ return pass;
+}
+
+void NativeInputManager::interceptKeyBeforeQueueing(const KeyEvent* keyEvent,
+ uint32_t& policyFlags) {
+ // Policy:
+ // - Ignore untrusted events and pass them along.
+ // - Ask the window manager what to do with normal events and trusted injected events.
+ // - For normal events wake and brighten the screen if currently off or dim.
+ if ((policyFlags & POLICY_FLAG_TRUSTED)) {
+ nsecs_t when = keyEvent->getEventTime();
+ bool isScreenOn = this->isScreenOn();
+ bool isScreenBright = this->isScreenBright();
+
+ JNIEnv* env = jniEnv();
+ jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent);
+ jint wmActions;
+ if (keyEventObj) {
+ wmActions = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.interceptKeyBeforeQueueing,
+ keyEventObj, policyFlags, isScreenOn);
+ if (checkAndClearExceptionFromCallback(env, "interceptKeyBeforeQueueing")) {
+ wmActions = 0;
+ }
+ android_view_KeyEvent_recycle(env, keyEventObj);
+ env->DeleteLocalRef(keyEventObj);
+ } else {
+ ALOGE("Failed to obtain key event object for interceptKeyBeforeQueueing.");
+ wmActions = 0;
+ }
+
+ if (!(policyFlags & POLICY_FLAG_INJECTED)) {
+ if (!isScreenOn) {
+ policyFlags |= POLICY_FLAG_WOKE_HERE;
+ }
+
+ if (!isScreenBright) {
+ policyFlags |= POLICY_FLAG_BRIGHT_HERE;
+ }
+ }
+
+ handleInterceptActions(wmActions, when, /*byref*/ policyFlags);
+ } else {
+ policyFlags |= POLICY_FLAG_PASS_TO_USER;
+ }
+}
+
+void NativeInputManager::interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) {
+ // Policy:
+ // - Ignore untrusted events and pass them along.
+ // - No special filtering for injected events required at this time.
+ // - Filter normal events based on screen state.
+ // - For normal events brighten (but do not wake) the screen if currently dim.
+ if ((policyFlags & POLICY_FLAG_TRUSTED) && !(policyFlags & POLICY_FLAG_INJECTED)) {
+ if (isScreenOn()) {
+ policyFlags |= POLICY_FLAG_PASS_TO_USER;
+
+ if (!isScreenBright()) {
+ policyFlags |= POLICY_FLAG_BRIGHT_HERE;
+ }
+ } else {
+ JNIEnv* env = jniEnv();
+ jint wmActions = env->CallIntMethod(mServiceObj,
+ gServiceClassInfo.interceptMotionBeforeQueueingWhenScreenOff,
+ policyFlags);
+ if (checkAndClearExceptionFromCallback(env,
+ "interceptMotionBeforeQueueingWhenScreenOff")) {
+ wmActions = 0;
+ }
+
+ policyFlags |= POLICY_FLAG_WOKE_HERE | POLICY_FLAG_BRIGHT_HERE;
+ handleInterceptActions(wmActions, when, /*byref*/ policyFlags);
+ }
+ } else {
+ policyFlags |= POLICY_FLAG_PASS_TO_USER;
+ }
+}
+
+void NativeInputManager::handleInterceptActions(jint wmActions, nsecs_t when,
+ uint32_t& policyFlags) {
+ if (wmActions & WM_ACTION_GO_TO_SLEEP) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("handleInterceptActions: Going to sleep.");
+#endif
+ android_server_PowerManagerService_goToSleep(when);
+ }
+
+ if (wmActions & WM_ACTION_POKE_USER_ACTIVITY) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("handleInterceptActions: Poking user activity.");
+#endif
+ android_server_PowerManagerService_userActivity(when, POWER_MANAGER_BUTTON_EVENT);
+ }
+
+ if (wmActions & WM_ACTION_PASS_TO_USER) {
+ policyFlags |= POLICY_FLAG_PASS_TO_USER;
+ } else {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ ALOGD("handleInterceptActions: Not passing key to user.");
+#endif
+ }
+}
+
+nsecs_t NativeInputManager::interceptKeyBeforeDispatching(
+ const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags) {
+ // Policy:
+ // - Ignore untrusted events and pass them along.
+ // - Filter normal events and trusted injected events through the window manager policy to
+ // handle the HOME key and the like.
+ nsecs_t result = 0;
+ if (policyFlags & POLICY_FLAG_TRUSTED) {
+ JNIEnv* env = jniEnv();
+
+ // Note: inputWindowHandle may be null.
+ jobject inputWindowHandleObj = getInputWindowHandleObjLocalRef(env, inputWindowHandle);
+ jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent);
+ if (keyEventObj) {
+ jlong delayMillis = env->CallLongMethod(mServiceObj,
+ gServiceClassInfo.interceptKeyBeforeDispatching,
+ inputWindowHandleObj, keyEventObj, policyFlags);
+ bool error = checkAndClearExceptionFromCallback(env, "interceptKeyBeforeDispatching");
+ android_view_KeyEvent_recycle(env, keyEventObj);
+ env->DeleteLocalRef(keyEventObj);
+ if (!error) {
+ if (delayMillis < 0) {
+ result = -1;
+ } else if (delayMillis > 0) {
+ result = milliseconds_to_nanoseconds(delayMillis);
+ }
+ }
+ } else {
+ ALOGE("Failed to obtain key event object for interceptKeyBeforeDispatching.");
+ }
+ env->DeleteLocalRef(inputWindowHandleObj);
+ }
+ return result;
+}
+
+bool NativeInputManager::dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) {
+ // Policy:
+ // - Ignore untrusted events and do not perform default handling.
+ bool result = false;
+ if (policyFlags & POLICY_FLAG_TRUSTED) {
+ JNIEnv* env = jniEnv();
+
+ // Note: inputWindowHandle may be null.
+ jobject inputWindowHandleObj = getInputWindowHandleObjLocalRef(env, inputWindowHandle);
+ jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent);
+ if (keyEventObj) {
+ jobject fallbackKeyEventObj = env->CallObjectMethod(mServiceObj,
+ gServiceClassInfo.dispatchUnhandledKey,
+ inputWindowHandleObj, keyEventObj, policyFlags);
+ if (checkAndClearExceptionFromCallback(env, "dispatchUnhandledKey")) {
+ fallbackKeyEventObj = NULL;
+ }
+ android_view_KeyEvent_recycle(env, keyEventObj);
+ env->DeleteLocalRef(keyEventObj);
+
+ if (fallbackKeyEventObj) {
+ // Note: outFallbackKeyEvent may be the same object as keyEvent.
+ if (!android_view_KeyEvent_toNative(env, fallbackKeyEventObj,
+ outFallbackKeyEvent)) {
+ result = true;
+ }
+ android_view_KeyEvent_recycle(env, fallbackKeyEventObj);
+ env->DeleteLocalRef(fallbackKeyEventObj);
+ }
+ } else {
+ ALOGE("Failed to obtain key event object for dispatchUnhandledKey.");
+ }
+ env->DeleteLocalRef(inputWindowHandleObj);
+ }
+ return result;
+}
+
+void NativeInputManager::pokeUserActivity(nsecs_t eventTime, int32_t eventType) {
+ android_server_PowerManagerService_userActivity(eventTime, eventType);
+}
+
+
+bool NativeInputManager::checkInjectEventsPermissionNonReentrant(
+ int32_t injectorPid, int32_t injectorUid) {
+ JNIEnv* env = jniEnv();
+ jboolean result = env->CallBooleanMethod(mServiceObj,
+ gServiceClassInfo.checkInjectEventsPermission, injectorPid, injectorUid);
+ if (checkAndClearExceptionFromCallback(env, "checkInjectEventsPermission")) {
+ result = false;
+ }
+ return result;
+}
+
+void NativeInputManager::loadPointerResources(PointerResources* outResources) {
+ JNIEnv* env = jniEnv();
+
+ loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_HOVER,
+ &outResources->spotHover);
+ loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_TOUCH,
+ &outResources->spotTouch);
+ loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_ANCHOR,
+ &outResources->spotAnchor);
+}
+
+
+// ----------------------------------------------------------------------------
+
+static jint nativeInit(JNIEnv* env, jclass clazz,
+ jobject serviceObj, jobject contextObj, jobject messageQueueObj) {
+ sp<Looper> looper = android_os_MessageQueue_getLooper(env, messageQueueObj);
+ NativeInputManager* im = new NativeInputManager(contextObj, serviceObj, looper);
+ im->incStrong(serviceObj);
+ return reinterpret_cast<jint>(im);
+}
+
+static void nativeStart(JNIEnv* env, jclass clazz, jint ptr) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ status_t result = im->getInputManager()->start();
+ if (result) {
+ jniThrowRuntimeException(env, "Input manager could not be started.");
+ }
+}
+
+static void nativeSetDisplaySize(JNIEnv* env, jclass clazz, jint ptr,
+ jint displayId, jint width, jint height, jint externalWidth, jint externalHeight) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ // XXX we could get this from the SurfaceFlinger directly instead of requiring it
+ // to be passed in like this, not sure which is better but leaving it like this
+ // keeps the window manager in direct control of when display transitions propagate down
+ // to the input dispatcher
+ im->setDisplaySize(displayId, width, height, externalWidth, externalHeight);
+}
+
+static void nativeSetDisplayOrientation(JNIEnv* env, jclass clazz,
+ jint ptr, jint displayId, jint orientation) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setDisplayOrientation(displayId, orientation);
+}
+
+static jint nativeGetScanCodeState(JNIEnv* env, jclass clazz,
+ jint ptr, jint deviceId, jint sourceMask, jint scanCode) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ return im->getInputManager()->getReader()->getScanCodeState(
+ deviceId, uint32_t(sourceMask), scanCode);
+}
+
+static jint nativeGetKeyCodeState(JNIEnv* env, jclass clazz,
+ jint ptr, jint deviceId, jint sourceMask, jint keyCode) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ return im->getInputManager()->getReader()->getKeyCodeState(
+ deviceId, uint32_t(sourceMask), keyCode);
+}
+
+static jint nativeGetSwitchState(JNIEnv* env, jclass clazz,
+ jint ptr, jint deviceId, jint sourceMask, jint sw) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ return im->getInputManager()->getReader()->getSwitchState(
+ deviceId, uint32_t(sourceMask), sw);
+}
+
+static jboolean nativeHasKeys(JNIEnv* env, jclass clazz,
+ jint ptr, jint deviceId, jint sourceMask, jintArray keyCodes, jbooleanArray outFlags) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ int32_t* codes = env->GetIntArrayElements(keyCodes, NULL);
+ uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL);
+ jsize numCodes = env->GetArrayLength(keyCodes);
+ jboolean result;
+ if (numCodes == env->GetArrayLength(keyCodes)) {
+ result = im->getInputManager()->getReader()->hasKeys(
+ deviceId, uint32_t(sourceMask), numCodes, codes, flags);
+ } else {
+ result = JNI_FALSE;
+ }
+
+ env->ReleaseBooleanArrayElements(outFlags, flags, 0);
+ env->ReleaseIntArrayElements(keyCodes, codes, 0);
+ return result;
+}
+
+static void throwInputChannelNotInitialized(JNIEnv* env) {
+ jniThrowException(env, "java/lang/IllegalStateException",
+ "inputChannel is not initialized");
+}
+
+static void handleInputChannelDisposed(JNIEnv* env,
+ jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data) {
+ NativeInputManager* im = static_cast<NativeInputManager*>(data);
+
+ ALOGW("Input channel object '%s' was disposed without first being unregistered with "
+ "the input manager!", inputChannel->getName().string());
+ im->unregisterInputChannel(env, inputChannel);
+}
+
+static void nativeRegisterInputChannel(JNIEnv* env, jclass clazz,
+ jint ptr, jobject inputChannelObj, jobject inputWindowHandleObj, jboolean monitor) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ throwInputChannelNotInitialized(env);
+ return;
+ }
+
+ sp<InputWindowHandle> inputWindowHandle =
+ android_server_InputWindowHandle_getHandle(env, inputWindowHandleObj);
+
+ status_t status = im->registerInputChannel(
+ env, inputChannel, inputWindowHandle, monitor);
+ if (status) {
+ String8 message;
+ message.appendFormat("Failed to register input channel. status=%d", status);
+ jniThrowRuntimeException(env, message.string());
+ return;
+ }
+
+ if (! monitor) {
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj,
+ handleInputChannelDisposed, im);
+ }
+}
+
+static void nativeUnregisterInputChannel(JNIEnv* env, jclass clazz,
+ jint ptr, jobject inputChannelObj) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ throwInputChannelNotInitialized(env);
+ return;
+ }
+
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj, NULL, NULL);
+
+ status_t status = im->unregisterInputChannel(env, inputChannel);
+ if (status && status != BAD_VALUE) { // ignore already unregistered channel
+ String8 message;
+ message.appendFormat("Failed to unregister input channel. status=%d", status);
+ jniThrowRuntimeException(env, message.string());
+ }
+}
+
+static void nativeSetInputFilterEnabled(JNIEnv* env, jclass clazz,
+ jint ptr, jboolean enabled) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->getInputManager()->getDispatcher()->setInputFilterEnabled(enabled);
+}
+
+static jint nativeInjectInputEvent(JNIEnv* env, jclass clazz,
+ jint ptr, jobject inputEventObj, jint injectorPid, jint injectorUid,
+ jint syncMode, jint timeoutMillis, jint policyFlags) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ if (env->IsInstanceOf(inputEventObj, gKeyEventClassInfo.clazz)) {
+ KeyEvent keyEvent;
+ status_t status = android_view_KeyEvent_toNative(env, inputEventObj, & keyEvent);
+ if (status) {
+ jniThrowRuntimeException(env, "Could not read contents of KeyEvent object.");
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ return im->getInputManager()->getDispatcher()->injectInputEvent(
+ & keyEvent, injectorPid, injectorUid, syncMode, timeoutMillis,
+ uint32_t(policyFlags));
+ } else if (env->IsInstanceOf(inputEventObj, gMotionEventClassInfo.clazz)) {
+ const MotionEvent* motionEvent = android_view_MotionEvent_getNativePtr(env, inputEventObj);
+ if (!motionEvent) {
+ jniThrowRuntimeException(env, "Could not read contents of MotionEvent object.");
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ return im->getInputManager()->getDispatcher()->injectInputEvent(
+ motionEvent, injectorPid, injectorUid, syncMode, timeoutMillis,
+ uint32_t(policyFlags));
+ } else {
+ jniThrowRuntimeException(env, "Invalid input event type.");
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+}
+
+static void nativeSetInputWindows(JNIEnv* env, jclass clazz,
+ jint ptr, jobjectArray windowHandleObjArray) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setInputWindows(env, windowHandleObjArray);
+}
+
+static void nativeSetFocusedApplication(JNIEnv* env, jclass clazz,
+ jint ptr, jobject applicationHandleObj) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setFocusedApplication(env, applicationHandleObj);
+}
+
+static void nativeSetInputDispatchMode(JNIEnv* env,
+ jclass clazz, jint ptr, jboolean enabled, jboolean frozen) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setInputDispatchMode(enabled, frozen);
+}
+
+static void nativeSetSystemUiVisibility(JNIEnv* env,
+ jclass clazz, jint ptr, jint visibility) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setSystemUiVisibility(visibility);
+}
+
+static jobject nativeGetInputDevice(JNIEnv* env,
+ jclass clazz, jint ptr, jint deviceId) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ InputDeviceInfo deviceInfo;
+ status_t status = im->getInputManager()->getReader()->getInputDeviceInfo(
+ deviceId, & deviceInfo);
+ if (status) {
+ return NULL;
+ }
+
+ jobject deviceObj = env->NewObject(gInputDeviceClassInfo.clazz, gInputDeviceClassInfo.ctor);
+ if (! deviceObj) {
+ return NULL;
+ }
+
+ jstring deviceNameObj = env->NewStringUTF(deviceInfo.getName().string());
+ if (! deviceNameObj) {
+ return NULL;
+ }
+
+ jstring fileStr = env->NewStringUTF(deviceInfo.getKeyCharacterMapFile());
+ if (!fileStr) {
+ return NULL;
+ }
+
+ env->SetIntField(deviceObj, gInputDeviceClassInfo.mId, deviceInfo.getId());
+ env->SetObjectField(deviceObj, gInputDeviceClassInfo.mName, deviceNameObj);
+ env->SetIntField(deviceObj, gInputDeviceClassInfo.mSources, deviceInfo.getSources());
+ env->SetIntField(deviceObj, gInputDeviceClassInfo.mKeyboardType, deviceInfo.getKeyboardType());
+ env->SetObjectField(deviceObj, gInputDeviceClassInfo.mKeyCharacterMapFile, fileStr);
+
+ const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
+ for (size_t i = 0; i < ranges.size(); i++) {
+ const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
+ env->CallVoidMethod(deviceObj, gInputDeviceClassInfo.addMotionRange,
+ range.axis, range.source, range.min, range.max, range.flat, range.fuzz);
+ if (env->ExceptionCheck()) {
+ return NULL;
+ }
+ }
+
+ return deviceObj;
+}
+
+static jintArray nativeGetInputDeviceIds(JNIEnv* env,
+ jclass clazz, jint ptr) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ Vector<int> deviceIds;
+ im->getInputManager()->getReader()->getInputDeviceIds(deviceIds);
+
+ jintArray deviceIdsObj = env->NewIntArray(deviceIds.size());
+ if (! deviceIdsObj) {
+ return NULL;
+ }
+
+ env->SetIntArrayRegion(deviceIdsObj, 0, deviceIds.size(), deviceIds.array());
+ return deviceIdsObj;
+}
+
+static void nativeGetInputConfiguration(JNIEnv* env,
+ jclass clazz, jint ptr, jobject configObj) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ InputConfiguration config;
+ im->getInputManager()->getReader()->getInputConfiguration(& config);
+
+ env->SetIntField(configObj, gConfigurationClassInfo.touchscreen, config.touchScreen);
+ env->SetIntField(configObj, gConfigurationClassInfo.keyboard, config.keyboard);
+ env->SetIntField(configObj, gConfigurationClassInfo.navigation, config.navigation);
+}
+
+static jboolean nativeTransferTouchFocus(JNIEnv* env,
+ jclass clazz, jint ptr, jobject fromChannelObj, jobject toChannelObj) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ sp<InputChannel> fromChannel =
+ android_view_InputChannel_getInputChannel(env, fromChannelObj);
+ sp<InputChannel> toChannel =
+ android_view_InputChannel_getInputChannel(env, toChannelObj);
+
+ if (fromChannel == NULL || toChannel == NULL) {
+ return false;
+ }
+
+ return im->getInputManager()->getDispatcher()->
+ transferTouchFocus(fromChannel, toChannel);
+}
+
+static void nativeSetPointerSpeed(JNIEnv* env,
+ jclass clazz, jint ptr, jint speed) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setPointerSpeed(speed);
+}
+
+static void nativeSetShowTouches(JNIEnv* env,
+ jclass clazz, jint ptr, jboolean enabled) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->setShowTouches(enabled);
+}
+
+static jstring nativeDump(JNIEnv* env, jclass clazz, jint ptr) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ String8 dump;
+ im->dump(dump);
+ return env->NewStringUTF(dump.string());
+}
+
+static void nativeMonitor(JNIEnv* env, jclass clazz, jint ptr) {
+ NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+ im->getInputManager()->getReader()->monitor();
+ im->getInputManager()->getDispatcher()->monitor();
+}
+
+// ----------------------------------------------------------------------------
+
+static JNINativeMethod gInputManagerMethods[] = {
+ /* name, signature, funcPtr */
+ { "nativeInit",
+ "(Lcom/android/server/input/InputManagerService;Landroid/content/Context;Landroid/os/MessageQueue;)I",
+ (void*) nativeInit },
+ { "nativeStart", "(I)V",
+ (void*) nativeStart },
+ { "nativeSetDisplaySize", "(IIIIII)V",
+ (void*) nativeSetDisplaySize },
+ { "nativeSetDisplayOrientation", "(III)V",
+ (void*) nativeSetDisplayOrientation },
+ { "nativeGetScanCodeState", "(IIII)I",
+ (void*) nativeGetScanCodeState },
+ { "nativeGetKeyCodeState", "(IIII)I",
+ (void*) nativeGetKeyCodeState },
+ { "nativeGetSwitchState", "(IIII)I",
+ (void*) nativeGetSwitchState },
+ { "nativeHasKeys", "(III[I[Z)Z",
+ (void*) nativeHasKeys },
+ { "nativeRegisterInputChannel",
+ "(ILandroid/view/InputChannel;Lcom/android/server/input/InputWindowHandle;Z)V",
+ (void*) nativeRegisterInputChannel },
+ { "nativeUnregisterInputChannel", "(ILandroid/view/InputChannel;)V",
+ (void*) nativeUnregisterInputChannel },
+ { "nativeSetInputFilterEnabled", "(IZ)V",
+ (void*) nativeSetInputFilterEnabled },
+ { "nativeInjectInputEvent", "(ILandroid/view/InputEvent;IIIII)I",
+ (void*) nativeInjectInputEvent },
+ { "nativeSetInputWindows", "(I[Lcom/android/server/input/InputWindowHandle;)V",
+ (void*) nativeSetInputWindows },
+ { "nativeSetFocusedApplication", "(ILcom/android/server/input/InputApplicationHandle;)V",
+ (void*) nativeSetFocusedApplication },
+ { "nativeSetInputDispatchMode", "(IZZ)V",
+ (void*) nativeSetInputDispatchMode },
+ { "nativeSetSystemUiVisibility", "(II)V",
+ (void*) nativeSetSystemUiVisibility },
+ { "nativeGetInputDevice", "(II)Landroid/view/InputDevice;",
+ (void*) nativeGetInputDevice },
+ { "nativeGetInputDeviceIds", "(I)[I",
+ (void*) nativeGetInputDeviceIds },
+ { "nativeGetInputConfiguration", "(ILandroid/content/res/Configuration;)V",
+ (void*) nativeGetInputConfiguration },
+ { "nativeTransferTouchFocus", "(ILandroid/view/InputChannel;Landroid/view/InputChannel;)Z",
+ (void*) nativeTransferTouchFocus },
+ { "nativeSetPointerSpeed", "(II)V",
+ (void*) nativeSetPointerSpeed },
+ { "nativeSetShowTouches", "(IZ)V",
+ (void*) nativeSetShowTouches },
+ { "nativeDump", "(I)Ljava/lang/String;",
+ (void*) nativeDump },
+ { "nativeMonitor", "(I)V",
+ (void*) nativeMonitor },
+};
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className);
+
+#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
+ var = env->GetMethodID(clazz, methodName, methodDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find method " methodName);
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_server_InputManager(JNIEnv* env) {
+ int res = jniRegisterNativeMethods(env, "com/android/server/input/InputManagerService",
+ gInputManagerMethods, NELEM(gInputManagerMethods));
+ LOG_FATAL_IF(res < 0, "Unable to register native methods.");
+
+ // Callbacks
+
+ jclass clazz;
+ FIND_CLASS(clazz, "com/android/server/input/InputManagerService");
+
+ GET_METHOD_ID(gServiceClassInfo.notifyConfigurationChanged, clazz,
+ "notifyConfigurationChanged", "(J)V");
+
+ GET_METHOD_ID(gServiceClassInfo.notifyLidSwitchChanged, clazz,
+ "notifyLidSwitchChanged", "(JZ)V");
+
+ GET_METHOD_ID(gServiceClassInfo.notifyInputChannelBroken, clazz,
+ "notifyInputChannelBroken", "(Lcom/android/server/input/InputWindowHandle;)V");
+
+ GET_METHOD_ID(gServiceClassInfo.notifyANR, clazz,
+ "notifyANR",
+ "(Lcom/android/server/input/InputApplicationHandle;Lcom/android/server/input/InputWindowHandle;)J");
+
+ GET_METHOD_ID(gServiceClassInfo.filterInputEvent, clazz,
+ "filterInputEvent", "(Landroid/view/InputEvent;I)Z");
+
+ GET_METHOD_ID(gServiceClassInfo.interceptKeyBeforeQueueing, clazz,
+ "interceptKeyBeforeQueueing", "(Landroid/view/KeyEvent;IZ)I");
+
+ GET_METHOD_ID(gServiceClassInfo.interceptMotionBeforeQueueingWhenScreenOff,
+ clazz,
+ "interceptMotionBeforeQueueingWhenScreenOff", "(I)I");
+
+ GET_METHOD_ID(gServiceClassInfo.interceptKeyBeforeDispatching, clazz,
+ "interceptKeyBeforeDispatching",
+ "(Lcom/android/server/input/InputWindowHandle;Landroid/view/KeyEvent;I)J");
+
+ GET_METHOD_ID(gServiceClassInfo.dispatchUnhandledKey, clazz,
+ "dispatchUnhandledKey",
+ "(Lcom/android/server/input/InputWindowHandle;Landroid/view/KeyEvent;I)Landroid/view/KeyEvent;");
+
+ GET_METHOD_ID(gServiceClassInfo.checkInjectEventsPermission, clazz,
+ "checkInjectEventsPermission", "(II)Z");
+
+ GET_METHOD_ID(gServiceClassInfo.getVirtualKeyQuietTimeMillis, clazz,
+ "getVirtualKeyQuietTimeMillis", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getExcludedDeviceNames, clazz,
+ "getExcludedDeviceNames", "()[Ljava/lang/String;");
+
+ GET_METHOD_ID(gServiceClassInfo.getKeyRepeatTimeout, clazz,
+ "getKeyRepeatTimeout", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getKeyRepeatDelay, clazz,
+ "getKeyRepeatDelay", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getHoverTapTimeout, clazz,
+ "getHoverTapTimeout", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getHoverTapSlop, clazz,
+ "getHoverTapSlop", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getDoubleTapTimeout, clazz,
+ "getDoubleTapTimeout", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getLongPressTimeout, clazz,
+ "getLongPressTimeout", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getPointerLayer, clazz,
+ "getPointerLayer", "()I");
+
+ GET_METHOD_ID(gServiceClassInfo.getPointerIcon, clazz,
+ "getPointerIcon", "()Landroid/view/PointerIcon;");
+
+ // KeyEvent
+
+ FIND_CLASS(gKeyEventClassInfo.clazz, "android/view/KeyEvent");
+ gKeyEventClassInfo.clazz = jclass(env->NewGlobalRef(gKeyEventClassInfo.clazz));
+
+ // MotionEvent
+
+ FIND_CLASS(gMotionEventClassInfo.clazz, "android/view/MotionEvent");
+ gMotionEventClassInfo.clazz = jclass(env->NewGlobalRef(gMotionEventClassInfo.clazz));
+
+ // InputDevice
+
+ FIND_CLASS(gInputDeviceClassInfo.clazz, "android/view/InputDevice");
+ gInputDeviceClassInfo.clazz = jclass(env->NewGlobalRef(gInputDeviceClassInfo.clazz));
+
+ GET_METHOD_ID(gInputDeviceClassInfo.ctor, gInputDeviceClassInfo.clazz,
+ "<init>", "()V");
+
+ GET_METHOD_ID(gInputDeviceClassInfo.addMotionRange, gInputDeviceClassInfo.clazz,
+ "addMotionRange", "(IIFFFF)V");
+
+ GET_FIELD_ID(gInputDeviceClassInfo.mId, gInputDeviceClassInfo.clazz,
+ "mId", "I");
+
+ GET_FIELD_ID(gInputDeviceClassInfo.mName, gInputDeviceClassInfo.clazz,
+ "mName", "Ljava/lang/String;");
+
+ GET_FIELD_ID(gInputDeviceClassInfo.mSources, gInputDeviceClassInfo.clazz,
+ "mSources", "I");
+
+ GET_FIELD_ID(gInputDeviceClassInfo.mKeyboardType, gInputDeviceClassInfo.clazz,
+ "mKeyboardType", "I");
+
+ GET_FIELD_ID(gInputDeviceClassInfo.mKeyCharacterMapFile, gInputDeviceClassInfo.clazz,
+ "mKeyCharacterMapFile", "Ljava/lang/String;");
+
+ // Configuration
+
+ FIND_CLASS(clazz, "android/content/res/Configuration");
+
+ GET_FIELD_ID(gConfigurationClassInfo.touchscreen, clazz,
+ "touchscreen", "I");
+
+ GET_FIELD_ID(gConfigurationClassInfo.keyboard, clazz,
+ "keyboard", "I");
+
+ GET_FIELD_ID(gConfigurationClassInfo.navigation, clazz,
+ "navigation", "I");
+
+ return 0;
+}
+
+} /* namespace android */