/*
* 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_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_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 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;
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_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, int32_t externalOrientation);
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, 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 displayOrientation;
int32_t displayExternalWidth, displayExternalHeight; // -1 when not initialized
int32_t displayExternalOrientation;
// 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.displayOrientation = DISPLAY_ORIENTATION_0;
mLocked.displayExternalWidth = -1;
mLocked.displayExternalHeight = -1;
mLocked.displayExternalOrientation = 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,
int32_t externalOrientation) {
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 (mLocked.displayExternalOrientation != externalOrientation) {
changed = true;
mLocked.displayExternalOrientation = externalOrientation;
}
}
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.displayExternalOrientation);
} // 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::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, 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:
// When switch value is set indicates lid is closed.
env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyLidSwitchChanged,
when, switchValue == 0 /*lidOpen*/);
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<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj);
NativeInputManager* im = new NativeInputManager(contextObj, serviceObj,
messageQueue->getLooper());
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, jint externalOrientation) {
NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
im->setDisplayOrientation(displayId, orientation, externalOrientation);
}
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 },
{ "nativeSetDisplaySize", "(IIIIII)V",
(void*) nativeSetDisplaySize },
{ "nativeSetDisplayOrientation", "(IIII)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 },
{ "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.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;");
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 */