diff options
Diffstat (limited to 'services/core/jni/com_android_server_input_InputManagerService.cpp')
| -rw-r--r-- | services/core/jni/com_android_server_input_InputManagerService.cpp | 1464 |
1 files changed, 1464 insertions, 0 deletions
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp new file mode 100644 index 0000000..4ab2086 --- /dev/null +++ b/services/core/jni/com_android_server_input_InputManagerService.cpp @@ -0,0 +1,1464 @@ +/* + * 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 <android_runtime/Log.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_InputDevice.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 <ScopedLocalRef.h> +#include <ScopedUtfChars.h> + +#include "com_android_server_power_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 notifyInputDevicesChanged; + jmethodID notifySwitch; + 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; + jmethodID getKeyboardLayoutOverlay; + jmethodID getDeviceAlias; +} gServiceClassInfo; + +static struct { + jclass clazz; +} gInputDeviceClassInfo; + +static struct { + jclass clazz; +} gKeyEventClassInfo; + +static struct { + jclass clazz; +} gMotionEventClassInfo; + + +// --- 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_WAKE_UP = 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 setDisplayViewport(bool external, const DisplayViewport& viewport); + + 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); + virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices); + virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(const String8& inputDeviceDescriptor); + virtual String8 getDeviceAlias(const InputDeviceIdentifier& identifier); + + /* --- InputDispatcherPolicyInterface implementation --- */ + + virtual void notifySwitch(nsecs_t when, uint32_t switchValues, uint32_t switchMask, + uint32_t policyFlags); + virtual void notifyConfigurationChanged(nsecs_t when); + virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle, + const sp<InputWindowHandle>& inputWindowHandle, + const String8& reason); + 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. + DisplayViewport internalViewport; + DisplayViewport externalViewport; + + // 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.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::setDisplayViewport(bool external, const DisplayViewport& viewport) { + bool changed = false; + { + AutoMutex _l(mLock); + + DisplayViewport& v = external ? mLocked.externalViewport : mLocked.internalViewport; + if (v != viewport) { + changed = true; + v = viewport; + + if (!external) { + sp<PointerController> controller = mLocked.pointerController.promote(); + if (controller != NULL) { + controller->setDisplayViewport( + viewport.logicalRight - viewport.logicalLeft, + viewport.logicalBottom - viewport.logicalTop, + viewport.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(false /*external*/, mLocked.internalViewport); + outConfig->setDisplayInfo(true /*external*/, mLocked.externalViewport); + } // 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; + + DisplayViewport& v = mLocked.internalViewport; + controller->setDisplayViewport( + v.logicalRight - v.logicalLeft, + v.logicalBottom - v.logicalTop, + v.orientation); + + 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::notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) { + JNIEnv* env = jniEnv(); + + size_t count = inputDevices.size(); + jobjectArray inputDevicesObjArray = env->NewObjectArray( + count, gInputDeviceClassInfo.clazz, NULL); + if (inputDevicesObjArray) { + bool error = false; + for (size_t i = 0; i < count; i++) { + jobject inputDeviceObj = android_view_InputDevice_create(env, inputDevices.itemAt(i)); + if (!inputDeviceObj) { + error = true; + break; + } + + env->SetObjectArrayElement(inputDevicesObjArray, i, inputDeviceObj); + env->DeleteLocalRef(inputDeviceObj); + } + + if (!error) { + env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyInputDevicesChanged, + inputDevicesObjArray); + } + + env->DeleteLocalRef(inputDevicesObjArray); + } + + checkAndClearExceptionFromCallback(env, "notifyInputDevicesChanged"); +} + +sp<KeyCharacterMap> NativeInputManager::getKeyboardLayoutOverlay( + const String8& inputDeviceDescriptor) { + JNIEnv* env = jniEnv(); + + sp<KeyCharacterMap> result; + ScopedLocalRef<jstring> descriptorObj(env, env->NewStringUTF(inputDeviceDescriptor.string())); + ScopedLocalRef<jobjectArray> arrayObj(env, jobjectArray(env->CallObjectMethod(mServiceObj, + gServiceClassInfo.getKeyboardLayoutOverlay, descriptorObj.get()))); + if (arrayObj.get()) { + ScopedLocalRef<jstring> filenameObj(env, + jstring(env->GetObjectArrayElement(arrayObj.get(), 0))); + ScopedLocalRef<jstring> contentsObj(env, + jstring(env->GetObjectArrayElement(arrayObj.get(), 1))); + ScopedUtfChars filenameChars(env, filenameObj.get()); + ScopedUtfChars contentsChars(env, contentsObj.get()); + + KeyCharacterMap::loadContents(String8(filenameChars.c_str()), + String8(contentsChars.c_str()), KeyCharacterMap::FORMAT_OVERLAY, &result); + } + checkAndClearExceptionFromCallback(env, "getKeyboardLayoutOverlay"); + return result; +} + +String8 NativeInputManager::getDeviceAlias(const InputDeviceIdentifier& identifier) { + JNIEnv* env = jniEnv(); + + ScopedLocalRef<jstring> uniqueIdObj(env, env->NewStringUTF(identifier.uniqueId.string())); + ScopedLocalRef<jstring> aliasObj(env, jstring(env->CallObjectMethod(mServiceObj, + gServiceClassInfo.getDeviceAlias, uniqueIdObj.get()))); + String8 result; + if (aliasObj.get()) { + ScopedUtfChars aliasChars(env, aliasObj.get()); + result.setTo(aliasChars.c_str()); + } + checkAndClearExceptionFromCallback(env, "getDeviceAlias"); + return result; +} + +void NativeInputManager::notifySwitch(nsecs_t when, + uint32_t switchValues, uint32_t switchMask, uint32_t policyFlags) { +#if DEBUG_INPUT_DISPATCHER_POLICY + ALOGD("notifySwitch - when=%lld, switchValues=0x%08x, switchMask=0x%08x, policyFlags=0x%x", + when, switchValues, switchMask, policyFlags); +#endif + + JNIEnv* env = jniEnv(); + + env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifySwitch, + when, switchValues, switchMask); + checkAndClearExceptionFromCallback(env, "notifySwitch"); +} + +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, const String8& reason) { +#if DEBUG_INPUT_DISPATCHER_POLICY + ALOGD("notifyANR"); +#endif + + JNIEnv* env = jniEnv(); + + jobject inputApplicationHandleObj = + getInputApplicationHandleObjLocalRef(env, inputApplicationHandle); + jobject inputWindowHandleObj = + getInputWindowHandleObjLocalRef(env, inputWindowHandle); + jstring reasonObj = env->NewStringUTF(reason.string()); + + jlong newTimeout = env->CallLongMethod(mServiceObj, + gServiceClassInfo.notifyANR, inputApplicationHandleObj, inputWindowHandleObj, + reasonObj); + if (checkAndClearExceptionFromCallback(env, "notifyANR")) { + newTimeout = 0; // abort dispatch + } else { + assert(newTimeout >= 0); + } + + env->DeleteLocalRef(reasonObj); + 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_WAKE_UP) { +#if DEBUG_INPUT_DISPATCHER_POLICY + ALOGD("handleInterceptActions: Waking up."); +#endif + android_server_PowerManagerService_wakeUp(when); + } + + 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<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj); + if (messageQueue == NULL) { + jniThrowRuntimeException(env, "MessageQueue is not initialized."); + return 0; + } + + NativeInputManager* im = new NativeInputManager(contextObj, serviceObj, + messageQueue->getLooper()); + im->incStrong(0); + 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 nativeSetDisplayViewport(JNIEnv* env, jclass clazz, jint ptr, jboolean external, + jint displayId, jint orientation, + jint logicalLeft, jint logicalTop, jint logicalRight, jint logicalBottom, + jint physicalLeft, jint physicalTop, jint physicalRight, jint physicalBottom, + jint deviceWidth, jint deviceHeight) { + NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); + + DisplayViewport v; + v.displayId = displayId; + v.orientation = orientation; + v.logicalLeft = logicalLeft; + v.logicalTop = logicalTop; + v.logicalRight = logicalRight; + v.logicalBottom = logicalBottom; + v.physicalLeft = physicalLeft; + v.physicalTop = physicalTop; + v.physicalRight = physicalRight; + v.physicalBottom = physicalBottom; + v.deviceWidth = deviceWidth; + v.deviceHeight = deviceHeight; + im->setDisplayViewport(external, v); +} + +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 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 void nativeVibrate(JNIEnv* env, + jclass clazz, jint ptr, jint deviceId, jlongArray patternObj, + jint repeat, jint token) { + NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); + + size_t patternSize = env->GetArrayLength(patternObj); + if (patternSize > MAX_VIBRATE_PATTERN_SIZE) { + ALOGI("Skipped requested vibration because the pattern size is %d " + "which is more than the maximum supported size of %d.", + patternSize, MAX_VIBRATE_PATTERN_SIZE); + return; // limit to reasonable size + } + + jlong* patternMillis = static_cast<jlong*>(env->GetPrimitiveArrayCritical( + patternObj, NULL)); + nsecs_t pattern[patternSize]; + for (size_t i = 0; i < patternSize; i++) { + pattern[i] = max(jlong(0), min(patternMillis[i], + MAX_VIBRATE_PATTERN_DELAY_NSECS / 1000000LL)) * 1000000LL; + } + env->ReleasePrimitiveArrayCritical(patternObj, patternMillis, JNI_ABORT); + + im->getInputManager()->getReader()->vibrate(deviceId, pattern, patternSize, repeat, token); +} + +static void nativeCancelVibrate(JNIEnv* env, + jclass clazz, jint ptr, jint deviceId, jint token) { + NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); + + im->getInputManager()->getReader()->cancelVibrate(deviceId, token); +} + +static void nativeReloadKeyboardLayouts(JNIEnv* env, + jclass clazz, jint ptr) { + NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); + + im->getInputManager()->getReader()->requestRefreshConfiguration( + InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUTS); +} + +static void nativeReloadDeviceAliases(JNIEnv* env, + jclass clazz, jint ptr) { + NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); + + im->getInputManager()->getReader()->requestRefreshConfiguration( + InputReaderConfiguration::CHANGE_DEVICE_ALIAS); +} + +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 }, + { "nativeSetDisplayViewport", "(IZIIIIIIIIIIII)V", + (void*) nativeSetDisplayViewport }, + { "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 }, + { "nativeTransferTouchFocus", "(ILandroid/view/InputChannel;Landroid/view/InputChannel;)Z", + (void*) nativeTransferTouchFocus }, + { "nativeSetPointerSpeed", "(II)V", + (void*) nativeSetPointerSpeed }, + { "nativeSetShowTouches", "(IZ)V", + (void*) nativeSetShowTouches }, + { "nativeVibrate", "(II[JII)V", + (void*) nativeVibrate }, + { "nativeCancelVibrate", "(III)V", + (void*) nativeCancelVibrate }, + { "nativeReloadKeyboardLayouts", "(I)V", + (void*) nativeReloadKeyboardLayouts }, + { "nativeReloadDeviceAliases", "(I)V", + (void*) nativeReloadDeviceAliases }, + { "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.notifyInputDevicesChanged, clazz, + "notifyInputDevicesChanged", "([Landroid/view/InputDevice;)V"); + + GET_METHOD_ID(gServiceClassInfo.notifySwitch, clazz, + "notifySwitch", "(JII)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;Ljava/lang/String;)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;"); + + GET_METHOD_ID(gServiceClassInfo.getKeyboardLayoutOverlay, clazz, + "getKeyboardLayoutOverlay", "(Ljava/lang/String;)[Ljava/lang/String;"); + + GET_METHOD_ID(gServiceClassInfo.getDeviceAlias, clazz, + "getDeviceAlias", "(Ljava/lang/String;)Ljava/lang/String;"); + + // InputDevice + + FIND_CLASS(gInputDeviceClassInfo.clazz, "android/view/InputDevice"); + gInputDeviceClassInfo.clazz = jclass(env->NewGlobalRef(gInputDeviceClassInfo.clazz)); + + // 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)); + + return 0; +} + +} /* namespace android */ |