Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "InputManager-JNI" |
| 18 | |
| 19 | #include "JNIHelp.h" |
| 20 | #include "jni.h" |
| 21 | #include <android_runtime/AndroidRuntime.h> |
| 22 | #include <ui/InputManager.h> |
| 23 | #include <ui/InputTransport.h> |
| 24 | #include <utils/Log.h> |
| 25 | #include <utils/threads.h> |
| 26 | #include "../../core/jni/android_view_KeyEvent.h" |
| 27 | #include "../../core/jni/android_view_MotionEvent.h" |
| 28 | #include "../../core/jni/android_view_InputChannel.h" |
| 29 | #include "../../core/jni/android_view_InputTarget.h" |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | class InputDispatchPolicy : public InputDispatchPolicyInterface { |
| 34 | public: |
| 35 | InputDispatchPolicy(JNIEnv* env, jobject callbacks); |
| 36 | virtual ~InputDispatchPolicy(); |
| 37 | |
| 38 | void setDisplaySize(int32_t displayId, int32_t width, int32_t height); |
| 39 | void setDisplayOrientation(int32_t displayId, int32_t orientation); |
| 40 | |
| 41 | virtual bool getDisplayInfo(int32_t displayId, |
| 42 | int32_t* width, int32_t* height, int32_t* orientation); |
| 43 | |
| 44 | virtual void notifyConfigurationChanged(nsecs_t when, |
| 45 | int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig); |
| 46 | |
| 47 | virtual void notifyLidSwitchChanged(nsecs_t when, bool lidOpen); |
| 48 | |
| 49 | virtual void virtualKeyFeedback(nsecs_t when, int32_t deviceId, |
| 50 | int32_t action, int32_t flags, int32_t keyCode, |
| 51 | int32_t scanCode, int32_t metaState, nsecs_t downTime); |
| 52 | |
| 53 | virtual int32_t interceptKey(nsecs_t when, int32_t deviceId, |
| 54 | bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags); |
| 55 | virtual int32_t interceptTrackball(nsecs_t when, bool buttonChanged, bool buttonDown, |
| 56 | bool rolled); |
| 57 | virtual int32_t interceptTouch(nsecs_t when); |
| 58 | |
| 59 | virtual bool filterTouchEvents(); |
| 60 | virtual bool filterJumpyTouchEvents(); |
| 61 | virtual void getVirtualKeyDefinitions(const String8& deviceName, |
| 62 | Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions); |
| 63 | virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames); |
| 64 | |
| 65 | virtual bool allowKeyRepeat(); |
| 66 | virtual nsecs_t getKeyRepeatTimeout(); |
| 67 | |
| 68 | virtual void getKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags, |
| 69 | Vector<InputTarget>& outTargets); |
| 70 | virtual void getMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags, |
| 71 | Vector<InputTarget>& outTargets); |
| 72 | |
| 73 | private: |
| 74 | bool isScreenOn(); |
| 75 | bool isScreenBright(); |
| 76 | |
| 77 | private: |
| 78 | jobject mCallbacks; |
| 79 | |
| 80 | int32_t mFilterTouchEvents; |
| 81 | int32_t mFilterJumpyTouchEvents; |
| 82 | |
| 83 | Mutex mDisplayLock; |
| 84 | int32_t mDisplayWidth, mDisplayHeight; |
| 85 | int32_t mDisplayOrientation; |
| 86 | |
| 87 | inline JNIEnv* threadEnv() const { |
| 88 | return AndroidRuntime::getJNIEnv(); |
| 89 | } |
| 90 | }; |
| 91 | |
| 92 | |
| 93 | // globals |
| 94 | |
| 95 | static sp<EventHub> gEventHub; |
| 96 | static sp<InputDispatchPolicy> gInputDispatchPolicy; |
| 97 | static sp<InputManager> gInputManager; |
| 98 | |
| 99 | // JNI |
| 100 | |
| 101 | static struct { |
| 102 | jclass clazz; |
| 103 | |
| 104 | jmethodID isScreenOn; |
| 105 | jmethodID isScreenBright; |
| 106 | jmethodID notifyConfigurationChanged; |
| 107 | jmethodID notifyLidSwitchChanged; |
| 108 | jmethodID virtualKeyFeedback; |
| 109 | jmethodID hackInterceptKey; |
| 110 | jmethodID goToSleep; |
| 111 | jmethodID pokeUserActivityForKey; |
| 112 | jmethodID notifyAppSwitchComing; |
| 113 | jmethodID filterTouchEvents; |
| 114 | jmethodID filterJumpyTouchEvents; |
| 115 | jmethodID getVirtualKeyDefinitions; |
| 116 | jmethodID getExcludedDeviceNames; |
| 117 | jmethodID getKeyEventTargets; |
| 118 | jmethodID getMotionEventTargets; |
| 119 | } gCallbacksClassInfo; |
| 120 | |
| 121 | static struct { |
| 122 | jclass clazz; |
| 123 | |
| 124 | jfieldID scanCode; |
| 125 | jfieldID centerX; |
| 126 | jfieldID centerY; |
| 127 | jfieldID width; |
| 128 | jfieldID height; |
| 129 | } gVirtualKeyDefinitionClassInfo; |
| 130 | |
| 131 | static bool checkInputManagerUnitialized(JNIEnv* env) { |
| 132 | if (gInputManager == NULL) { |
| 133 | LOGE("Input manager not initialized."); |
| 134 | jniThrowRuntimeException(env, "Input manager not initialized."); |
| 135 | return true; |
| 136 | } |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | static void android_server_InputManager_nativeInit(JNIEnv* env, jclass clazz, |
| 141 | jobject callbacks) { |
| 142 | if (gEventHub == NULL) { |
| 143 | gEventHub = new EventHub(); |
| 144 | } |
| 145 | |
| 146 | if (gInputDispatchPolicy == NULL) { |
| 147 | gInputDispatchPolicy = new InputDispatchPolicy(env, callbacks); |
| 148 | } |
| 149 | |
| 150 | if (gInputManager == NULL) { |
| 151 | gInputManager = new InputManager(gEventHub, gInputDispatchPolicy); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | static void android_server_InputManager_nativeStart(JNIEnv* env, jclass clazz) { |
| 156 | if (checkInputManagerUnitialized(env)) { |
| 157 | return; |
| 158 | } |
| 159 | |
| 160 | status_t result = gInputManager->start(); |
| 161 | if (result) { |
| 162 | jniThrowRuntimeException(env, "Input manager could not be started."); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | static void android_server_InputManager_nativeSetDisplaySize(JNIEnv* env, jclass clazz, |
| 167 | jint displayId, jint width, jint height) { |
| 168 | if (checkInputManagerUnitialized(env)) { |
| 169 | return; |
| 170 | } |
| 171 | |
| 172 | // XXX we could get this from the SurfaceFlinger directly instead of requiring it |
| 173 | // to be passed in like this, not sure which is better but leaving it like this |
| 174 | // keeps the window manager in direct control of when display transitions propagate down |
| 175 | // to the input dispatcher |
| 176 | gInputDispatchPolicy->setDisplaySize(displayId, width, height); |
| 177 | } |
| 178 | |
| 179 | static void android_server_InputManager_nativeSetDisplayOrientation(JNIEnv* env, jclass clazz, |
| 180 | jint displayId, jint orientation) { |
| 181 | if (checkInputManagerUnitialized(env)) { |
| 182 | return; |
| 183 | } |
| 184 | |
| 185 | gInputDispatchPolicy->setDisplayOrientation(displayId, orientation); |
| 186 | } |
| 187 | |
| 188 | static jint android_server_InputManager_nativeGetScanCodeState(JNIEnv* env, jclass clazz, |
| 189 | jint deviceId, jint deviceClasses, jint scanCode) { |
| 190 | if (checkInputManagerUnitialized(env)) { |
| 191 | return KEY_STATE_UNKNOWN; |
| 192 | } |
| 193 | |
| 194 | return gInputManager->getScanCodeState(deviceId, deviceClasses, scanCode); |
| 195 | } |
| 196 | |
| 197 | static jint android_server_InputManager_nativeGetKeyCodeState(JNIEnv* env, jclass clazz, |
| 198 | jint deviceId, jint deviceClasses, jint keyCode) { |
| 199 | if (checkInputManagerUnitialized(env)) { |
| 200 | return KEY_STATE_UNKNOWN; |
| 201 | } |
| 202 | |
| 203 | return gInputManager->getKeyCodeState(deviceId, deviceClasses, keyCode); |
| 204 | } |
| 205 | |
| 206 | static jint android_server_InputManager_nativeGetSwitchState(JNIEnv* env, jclass clazz, |
| 207 | jint deviceId, jint deviceClasses, jint sw) { |
| 208 | if (checkInputManagerUnitialized(env)) { |
| 209 | return KEY_STATE_UNKNOWN; |
| 210 | } |
| 211 | |
| 212 | return gInputManager->getSwitchState(deviceId, deviceClasses, sw); |
| 213 | } |
| 214 | |
| 215 | static jboolean android_server_InputManager_nativeHasKeys(JNIEnv* env, jclass clazz, |
| 216 | jintArray keyCodes, jbooleanArray outFlags) { |
| 217 | if (checkInputManagerUnitialized(env)) { |
| 218 | return JNI_FALSE; |
| 219 | } |
| 220 | |
| 221 | int32_t* codes = env->GetIntArrayElements(keyCodes, NULL); |
| 222 | uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL); |
| 223 | jsize numCodes = env->GetArrayLength(keyCodes); |
| 224 | jboolean result; |
| 225 | if (numCodes == env->GetArrayLength(outFlags)) { |
| 226 | result = gInputManager->hasKeys(numCodes, codes, flags); |
| 227 | } else { |
| 228 | result = JNI_FALSE; |
| 229 | } |
| 230 | |
| 231 | env->ReleaseBooleanArrayElements(outFlags, flags, 0); |
| 232 | env->ReleaseIntArrayElements(keyCodes, codes, 0); |
| 233 | return result; |
| 234 | } |
| 235 | |
| 236 | static void throwInputChannelNotInitialized(JNIEnv* env) { |
| 237 | jniThrowException(env, "java/lang/IllegalStateException", |
| 238 | "inputChannel is not initialized"); |
| 239 | } |
| 240 | |
| 241 | static void android_server_InputManager_handleInputChannelDisposed(JNIEnv* env, |
| 242 | jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data) { |
| 243 | LOGW("Input channel object '%s' was disposed without first being unregistered with " |
| 244 | "the input manager!", inputChannel->getName().string()); |
| 245 | |
| 246 | gInputManager->unregisterInputChannel(inputChannel); |
| 247 | } |
| 248 | |
| 249 | static void android_server_InputManager_nativeRegisterInputChannel(JNIEnv* env, jclass clazz, |
| 250 | jobject inputChannelObj) { |
| 251 | if (checkInputManagerUnitialized(env)) { |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, |
| 256 | inputChannelObj); |
| 257 | if (inputChannel == NULL) { |
| 258 | throwInputChannelNotInitialized(env); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | status_t status = gInputManager->registerInputChannel(inputChannel); |
| 263 | if (status) { |
| 264 | jniThrowRuntimeException(env, "Failed to register input channel. " |
| 265 | "Check logs for details."); |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | android_view_InputChannel_setDisposeCallback(env, inputChannelObj, |
| 270 | android_server_InputManager_handleInputChannelDisposed, NULL); |
| 271 | } |
| 272 | |
| 273 | static void android_server_InputManager_nativeUnregisterInputChannel(JNIEnv* env, jclass clazz, |
| 274 | jobject inputChannelObj) { |
| 275 | if (checkInputManagerUnitialized(env)) { |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, |
| 280 | inputChannelObj); |
| 281 | if (inputChannel == NULL) { |
| 282 | throwInputChannelNotInitialized(env); |
| 283 | return; |
| 284 | } |
| 285 | |
| 286 | android_view_InputChannel_setDisposeCallback(env, inputChannelObj, NULL, NULL); |
| 287 | |
| 288 | status_t status = gInputManager->unregisterInputChannel(inputChannel); |
| 289 | if (status) { |
| 290 | jniThrowRuntimeException(env, "Failed to unregister input channel. " |
| 291 | "Check logs for details."); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | static JNINativeMethod gInputManagerMethods[] = { |
| 296 | /* name, signature, funcPtr */ |
| 297 | { "nativeInit", "(Lcom/android/server/InputManager$Callbacks;)V", |
| 298 | (void*) android_server_InputManager_nativeInit }, |
| 299 | { "nativeStart", "()V", |
| 300 | (void*) android_server_InputManager_nativeStart }, |
| 301 | { "nativeSetDisplaySize", "(III)V", |
| 302 | (void*) android_server_InputManager_nativeSetDisplaySize }, |
| 303 | { "nativeSetDisplayOrientation", "(II)V", |
| 304 | (void*) android_server_InputManager_nativeSetDisplayOrientation }, |
| 305 | { "nativeGetScanCodeState", "(III)I", |
| 306 | (void*) android_server_InputManager_nativeGetScanCodeState }, |
| 307 | { "nativeGetKeyCodeState", "(III)I", |
| 308 | (void*) android_server_InputManager_nativeGetKeyCodeState }, |
| 309 | { "nativeGetSwitchState", "(III)I", |
| 310 | (void*) android_server_InputManager_nativeGetSwitchState }, |
| 311 | { "nativeHasKeys", "([I[Z)Z", |
| 312 | (void*) android_server_InputManager_nativeHasKeys }, |
| 313 | { "nativeRegisterInputChannel", "(Landroid/view/InputChannel;)V", |
| 314 | (void*) android_server_InputManager_nativeRegisterInputChannel }, |
| 315 | { "nativeUnregisterInputChannel", "(Landroid/view/InputChannel;)V", |
| 316 | (void*) android_server_InputManager_nativeUnregisterInputChannel } |
| 317 | }; |
| 318 | |
| 319 | #define FIND_CLASS(var, className) \ |
| 320 | var = env->FindClass(className); \ |
| 321 | LOG_FATAL_IF(! var, "Unable to find class " className); \ |
| 322 | var = jclass(env->NewGlobalRef(var)); |
| 323 | |
| 324 | #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ |
| 325 | var = env->GetMethodID(clazz, methodName, methodDescriptor); \ |
| 326 | LOG_FATAL_IF(! var, "Unable to find method " methodName); |
| 327 | |
| 328 | #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \ |
| 329 | var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \ |
| 330 | LOG_FATAL_IF(! var, "Unable to find field " fieldName); |
| 331 | |
| 332 | int register_android_server_InputManager(JNIEnv* env) { |
| 333 | int res = jniRegisterNativeMethods(env, "com/android/server/InputManager", |
| 334 | gInputManagerMethods, NELEM(gInputManagerMethods)); |
| 335 | LOG_FATAL_IF(res < 0, "Unable to register native methods."); |
| 336 | |
| 337 | // Policy |
| 338 | |
| 339 | FIND_CLASS(gCallbacksClassInfo.clazz, "com/android/server/InputManager$Callbacks"); |
| 340 | |
| 341 | GET_METHOD_ID(gCallbacksClassInfo.isScreenOn, gCallbacksClassInfo.clazz, |
| 342 | "isScreenOn", "()Z"); |
| 343 | |
| 344 | GET_METHOD_ID(gCallbacksClassInfo.isScreenBright, gCallbacksClassInfo.clazz, |
| 345 | "isScreenBright", "()Z"); |
| 346 | |
| 347 | GET_METHOD_ID(gCallbacksClassInfo.notifyConfigurationChanged, gCallbacksClassInfo.clazz, |
| 348 | "notifyConfigurationChanged", "(JIII)V"); |
| 349 | |
| 350 | GET_METHOD_ID(gCallbacksClassInfo.notifyLidSwitchChanged, gCallbacksClassInfo.clazz, |
| 351 | "notifyLidSwitchChanged", "(JZ)V"); |
| 352 | |
| 353 | GET_METHOD_ID(gCallbacksClassInfo.virtualKeyFeedback, gCallbacksClassInfo.clazz, |
| 354 | "virtualKeyFeedback", "(JIIIIIIJ)V"); |
| 355 | |
| 356 | GET_METHOD_ID(gCallbacksClassInfo.hackInterceptKey, gCallbacksClassInfo.clazz, |
| 357 | "hackInterceptKey", "(IIIIIIJZ)I"); |
| 358 | |
| 359 | GET_METHOD_ID(gCallbacksClassInfo.goToSleep, gCallbacksClassInfo.clazz, |
| 360 | "goToSleep", "(J)V"); |
| 361 | |
| 362 | GET_METHOD_ID(gCallbacksClassInfo.pokeUserActivityForKey, gCallbacksClassInfo.clazz, |
| 363 | "pokeUserActivityForKey", "(J)V"); |
| 364 | |
| 365 | GET_METHOD_ID(gCallbacksClassInfo.notifyAppSwitchComing, gCallbacksClassInfo.clazz, |
| 366 | "notifyAppSwitchComing", "()V"); |
| 367 | |
| 368 | GET_METHOD_ID(gCallbacksClassInfo.filterTouchEvents, gCallbacksClassInfo.clazz, |
| 369 | "filterTouchEvents", "()Z"); |
| 370 | |
| 371 | GET_METHOD_ID(gCallbacksClassInfo.filterJumpyTouchEvents, gCallbacksClassInfo.clazz, |
| 372 | "filterJumpyTouchEvents", "()Z"); |
| 373 | |
| 374 | GET_METHOD_ID(gCallbacksClassInfo.getVirtualKeyDefinitions, gCallbacksClassInfo.clazz, |
| 375 | "getVirtualKeyDefinitions", |
| 376 | "(Ljava/lang/String;)[Lcom/android/server/InputManager$VirtualKeyDefinition;"); |
| 377 | |
| 378 | GET_METHOD_ID(gCallbacksClassInfo.getExcludedDeviceNames, gCallbacksClassInfo.clazz, |
| 379 | "getExcludedDeviceNames", "()[Ljava/lang/String;"); |
| 380 | |
| 381 | GET_METHOD_ID(gCallbacksClassInfo.getKeyEventTargets, gCallbacksClassInfo.clazz, |
| 382 | "getKeyEventTargets", "(Landroid/view/KeyEvent;II)[Landroid/view/InputTarget;"); |
| 383 | |
| 384 | GET_METHOD_ID(gCallbacksClassInfo.getMotionEventTargets, gCallbacksClassInfo.clazz, |
| 385 | "getMotionEventTargets", "(Landroid/view/MotionEvent;II)[Landroid/view/InputTarget;"); |
| 386 | |
| 387 | // VirtualKeyDefinition |
| 388 | |
| 389 | FIND_CLASS(gVirtualKeyDefinitionClassInfo.clazz, |
| 390 | "com/android/server/InputManager$VirtualKeyDefinition"); |
| 391 | |
| 392 | GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.scanCode, gVirtualKeyDefinitionClassInfo.clazz, |
| 393 | "scanCode", "I"); |
| 394 | |
| 395 | GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.centerX, gVirtualKeyDefinitionClassInfo.clazz, |
| 396 | "centerX", "I"); |
| 397 | |
| 398 | GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.centerY, gVirtualKeyDefinitionClassInfo.clazz, |
| 399 | "centerY", "I"); |
| 400 | |
| 401 | GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.width, gVirtualKeyDefinitionClassInfo.clazz, |
| 402 | "width", "I"); |
| 403 | |
| 404 | GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.height, gVirtualKeyDefinitionClassInfo.clazz, |
| 405 | "height", "I"); |
| 406 | |
| 407 | return 0; |
| 408 | } |
| 409 | |
| 410 | // static functions |
| 411 | |
| 412 | static bool isAppSwitchKey(int32_t keyCode) { |
| 413 | return keyCode == KEYCODE_HOME || keyCode == KEYCODE_ENDCALL; |
| 414 | } |
| 415 | |
| 416 | static bool checkException(JNIEnv* env, const char* methodName) { |
| 417 | if (env->ExceptionCheck()) { |
| 418 | LOGE("An exception was thrown by an InputDispatchPolicy callback '%s'.", methodName); |
| 419 | LOGE_EX(env); |
| 420 | env->ExceptionClear(); |
| 421 | return true; |
| 422 | } |
| 423 | return false; |
| 424 | } |
| 425 | |
| 426 | |
| 427 | // InputDispatchPolicy implementation |
| 428 | |
| 429 | InputDispatchPolicy::InputDispatchPolicy(JNIEnv* env, jobject callbacks) : |
| 430 | mFilterTouchEvents(-1), mFilterJumpyTouchEvents(-1), |
| 431 | mDisplayWidth(-1), mDisplayHeight(-1), mDisplayOrientation(-1) { |
| 432 | mCallbacks = env->NewGlobalRef(callbacks); |
| 433 | } |
| 434 | |
| 435 | InputDispatchPolicy::~InputDispatchPolicy() { |
| 436 | JNIEnv* env = threadEnv(); |
| 437 | |
| 438 | env->DeleteGlobalRef(mCallbacks); |
| 439 | } |
| 440 | |
| 441 | void InputDispatchPolicy::setDisplaySize(int32_t displayId, int32_t width, int32_t height) { |
| 442 | if (displayId == 0) { |
| 443 | AutoMutex _l(mDisplayLock); |
| 444 | |
| 445 | mDisplayWidth = width; |
| 446 | mDisplayHeight = height; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | void InputDispatchPolicy::setDisplayOrientation(int32_t displayId, int32_t orientation) { |
| 451 | if (displayId == 0) { |
| 452 | AutoMutex _l(mDisplayLock); |
| 453 | |
| 454 | mDisplayOrientation = orientation; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | bool InputDispatchPolicy::getDisplayInfo(int32_t displayId, |
| 459 | int32_t* width, int32_t* height, int32_t* orientation) { |
| 460 | bool result = false; |
| 461 | if (displayId == 0) { |
| 462 | AutoMutex _l(mDisplayLock); |
| 463 | |
| 464 | if (mDisplayWidth > 0) { |
| 465 | *width = mDisplayWidth; |
| 466 | *height = mDisplayHeight; |
| 467 | *orientation = mDisplayOrientation; |
| 468 | result = true; |
| 469 | } |
| 470 | } |
| 471 | return result; |
| 472 | } |
| 473 | |
| 474 | bool InputDispatchPolicy::isScreenOn() { |
| 475 | JNIEnv* env = threadEnv(); |
| 476 | |
| 477 | jboolean result = env->CallBooleanMethod(mCallbacks, gCallbacksClassInfo.isScreenOn); |
| 478 | if (checkException(env, "isScreenOn")) { |
| 479 | return true; |
| 480 | } |
| 481 | return result; |
| 482 | } |
| 483 | |
| 484 | bool InputDispatchPolicy::isScreenBright() { |
| 485 | JNIEnv* env = threadEnv(); |
| 486 | |
| 487 | jboolean result = env->CallBooleanMethod(mCallbacks, gCallbacksClassInfo.isScreenBright); |
| 488 | if (checkException(env, "isScreenBright")) { |
| 489 | return true; |
| 490 | } |
| 491 | return result; |
| 492 | } |
| 493 | |
| 494 | void InputDispatchPolicy::notifyConfigurationChanged(nsecs_t when, |
| 495 | int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig) { |
| 496 | JNIEnv* env = threadEnv(); |
| 497 | |
| 498 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyConfigurationChanged, |
| 499 | when, touchScreenConfig, keyboardConfig, navigationConfig); |
| 500 | checkException(env, "notifyConfigurationChanged"); |
| 501 | } |
| 502 | |
| 503 | void InputDispatchPolicy::notifyLidSwitchChanged(nsecs_t when, bool lidOpen) { |
| 504 | JNIEnv* env = threadEnv(); |
| 505 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyLidSwitchChanged, |
| 506 | when, lidOpen); |
| 507 | checkException(env, "notifyLidSwitchChanged"); |
| 508 | } |
| 509 | |
| 510 | void InputDispatchPolicy::virtualKeyFeedback(nsecs_t when, int32_t deviceId, |
| 511 | int32_t action, int32_t flags, int32_t keyCode, |
| 512 | int32_t scanCode, int32_t metaState, nsecs_t downTime) { |
| 513 | JNIEnv* env = threadEnv(); |
| 514 | |
| 515 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.virtualKeyFeedback, |
| 516 | when, deviceId, action, flags, keyCode, scanCode, metaState, downTime); |
| 517 | checkException(env, "virtualKeyFeedback"); |
| 518 | } |
| 519 | |
| 520 | int32_t InputDispatchPolicy::interceptKey(nsecs_t when, |
| 521 | int32_t deviceId, bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) { |
| 522 | const int32_t WM_ACTION_PASS_TO_USER = 1; |
| 523 | const int32_t WM_ACTION_POKE_USER_ACTIVITY = 2; |
| 524 | const int32_t WM_ACTION_GO_TO_SLEEP = 4; |
| 525 | |
| 526 | JNIEnv* env = threadEnv(); |
| 527 | |
| 528 | bool isScreenOn = this->isScreenOn(); |
| 529 | bool isScreenBright = this->isScreenBright(); |
| 530 | |
| 531 | jint wmActions = env->CallIntMethod(mCallbacks, gCallbacksClassInfo.hackInterceptKey, |
| 532 | deviceId, EV_KEY, scanCode, keyCode, policyFlags, down ? 1 : 0, when, isScreenOn); |
| 533 | if (checkException(env, "hackInterceptKey")) { |
| 534 | wmActions = 0; |
| 535 | } |
| 536 | |
| 537 | int32_t actions = ACTION_NONE; |
| 538 | if (! isScreenOn) { |
| 539 | // Key presses and releases wake the device. |
| 540 | actions |= ACTION_WOKE_HERE; |
| 541 | } |
| 542 | |
| 543 | if (! isScreenBright) { |
| 544 | // Key presses and releases brighten the screen if dimmed. |
| 545 | actions |= ACTION_BRIGHT_HERE; |
| 546 | } |
| 547 | |
| 548 | if (wmActions & WM_ACTION_GO_TO_SLEEP) { |
| 549 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.goToSleep, when); |
| 550 | checkException(env, "goToSleep"); |
| 551 | } |
| 552 | |
| 553 | if (wmActions & WM_ACTION_POKE_USER_ACTIVITY) { |
| 554 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.pokeUserActivityForKey, when); |
| 555 | checkException(env, "pokeUserActivityForKey"); |
| 556 | } |
| 557 | |
| 558 | if (wmActions & WM_ACTION_PASS_TO_USER) { |
| 559 | actions |= ACTION_DISPATCH; |
| 560 | } |
| 561 | |
| 562 | if (! (wmActions & WM_ACTION_PASS_TO_USER)) { |
| 563 | if (down && isAppSwitchKey(keyCode)) { |
| 564 | env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyAppSwitchComing); |
| 565 | checkException(env, "notifyAppSwitchComing"); |
| 566 | |
| 567 | actions |= ACTION_APP_SWITCH_COMING; |
| 568 | } |
| 569 | } |
| 570 | return actions; |
| 571 | } |
| 572 | |
| 573 | int32_t InputDispatchPolicy::interceptTouch(nsecs_t when) { |
| 574 | if (! isScreenOn()) { |
| 575 | // Touch events do not wake the device. |
| 576 | return ACTION_NONE; |
| 577 | } |
| 578 | |
| 579 | return ACTION_DISPATCH; |
| 580 | } |
| 581 | |
| 582 | int32_t InputDispatchPolicy::interceptTrackball(nsecs_t when, |
| 583 | bool buttonChanged, bool buttonDown, bool rolled) { |
| 584 | if (! isScreenOn()) { |
| 585 | // Trackball motions and button presses do not wake the device. |
| 586 | return ACTION_NONE; |
| 587 | } |
| 588 | |
| 589 | return ACTION_DISPATCH; |
| 590 | } |
| 591 | |
| 592 | bool InputDispatchPolicy::filterTouchEvents() { |
| 593 | if (mFilterTouchEvents < 0) { |
| 594 | JNIEnv* env = threadEnv(); |
| 595 | |
| 596 | jboolean result = env->CallBooleanMethod(mCallbacks, |
| 597 | gCallbacksClassInfo.filterTouchEvents); |
| 598 | if (checkException(env, "filterTouchEvents")) { |
| 599 | result = false; |
| 600 | } |
| 601 | |
| 602 | mFilterTouchEvents = result ? 1 : 0; |
| 603 | } |
| 604 | return mFilterTouchEvents; |
| 605 | } |
| 606 | |
| 607 | bool InputDispatchPolicy::filterJumpyTouchEvents() { |
| 608 | if (mFilterJumpyTouchEvents < 0) { |
| 609 | JNIEnv* env = threadEnv(); |
| 610 | |
| 611 | jboolean result = env->CallBooleanMethod(mCallbacks, |
| 612 | gCallbacksClassInfo.filterJumpyTouchEvents); |
| 613 | if (checkException(env, "filterJumpyTouchEvents")) { |
| 614 | result = false; |
| 615 | } |
| 616 | |
| 617 | mFilterJumpyTouchEvents = result ? 1 : 0; |
| 618 | } |
| 619 | return mFilterJumpyTouchEvents; |
| 620 | } |
| 621 | |
| 622 | void InputDispatchPolicy::getVirtualKeyDefinitions(const String8& deviceName, |
| 623 | Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) { |
| 624 | JNIEnv* env = threadEnv(); |
| 625 | |
| 626 | jstring deviceNameStr = env->NewStringUTF(deviceName.string()); |
| 627 | if (! checkException(env, "getVirtualKeyDefinitions")) { |
| 628 | jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks, |
| 629 | gCallbacksClassInfo.getVirtualKeyDefinitions, deviceNameStr)); |
| 630 | if (! checkException(env, "getVirtualKeyDefinitions") && result) { |
| 631 | jsize length = env->GetArrayLength(result); |
| 632 | for (jsize i = 0; i < length; i++) { |
| 633 | jobject item = env->GetObjectArrayElement(result, i); |
| 634 | |
| 635 | outVirtualKeyDefinitions.add(); |
| 636 | outVirtualKeyDefinitions.editTop().scanCode = |
| 637 | int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.scanCode)); |
| 638 | outVirtualKeyDefinitions.editTop().centerX = |
| 639 | int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.centerX)); |
| 640 | outVirtualKeyDefinitions.editTop().centerY = |
| 641 | int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.centerY)); |
| 642 | outVirtualKeyDefinitions.editTop().width = |
| 643 | int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.width)); |
| 644 | outVirtualKeyDefinitions.editTop().height = |
| 645 | int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.height)); |
| 646 | |
| 647 | env->DeleteLocalRef(item); |
| 648 | } |
| 649 | env->DeleteLocalRef(result); |
| 650 | } |
| 651 | env->DeleteLocalRef(deviceNameStr); |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | void InputDispatchPolicy::getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) { |
| 656 | JNIEnv* env = threadEnv(); |
| 657 | |
| 658 | jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks, |
| 659 | gCallbacksClassInfo.getExcludedDeviceNames)); |
| 660 | if (! checkException(env, "getExcludedDeviceNames") && result) { |
| 661 | jsize length = env->GetArrayLength(result); |
| 662 | for (jsize i = 0; i < length; i++) { |
| 663 | jstring item = jstring(env->GetObjectArrayElement(result, i)); |
| 664 | |
| 665 | const char* deviceNameChars = env->GetStringUTFChars(item, NULL); |
| 666 | outExcludedDeviceNames.add(String8(deviceNameChars)); |
| 667 | env->ReleaseStringUTFChars(item, deviceNameChars); |
| 668 | |
| 669 | env->DeleteLocalRef(item); |
| 670 | } |
| 671 | env->DeleteLocalRef(result); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | bool InputDispatchPolicy::allowKeyRepeat() { |
| 676 | // Disable key repeat when the screen is off. |
| 677 | return isScreenOn(); |
| 678 | } |
| 679 | |
| 680 | nsecs_t InputDispatchPolicy::getKeyRepeatTimeout() { |
| 681 | // TODO use ViewConfiguration.getLongPressTimeout() |
| 682 | return milliseconds_to_nanoseconds(500); |
| 683 | } |
| 684 | |
| 685 | void InputDispatchPolicy::getKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags, |
| 686 | Vector<InputTarget>& outTargets) { |
| 687 | JNIEnv* env = threadEnv(); |
| 688 | |
| 689 | jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent); |
| 690 | if (! keyEventObj) { |
| 691 | LOGE("Could not obtain DVM KeyEvent object to get key event targets."); |
| 692 | } else { |
| 693 | jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks, |
| 694 | gCallbacksClassInfo.getKeyEventTargets, |
| 695 | keyEventObj, jint(keyEvent->getNature()), jint(policyFlags))); |
| 696 | if (! checkException(env, "getKeyEventTargets") && result) { |
| 697 | jsize length = env->GetArrayLength(result); |
| 698 | for (jsize i = 0; i < length; i++) { |
| 699 | jobject item = env->GetObjectArrayElement(result, i); |
| 700 | if (! item) { |
| 701 | break; // found null element indicating end of used portion of the array |
| 702 | } |
| 703 | |
| 704 | outTargets.add(); |
| 705 | android_view_InputTarget_toNative(env, item, & outTargets.editTop()); |
| 706 | |
| 707 | env->DeleteLocalRef(item); |
| 708 | } |
| 709 | env->DeleteLocalRef(result); |
| 710 | } |
| 711 | env->DeleteLocalRef(keyEventObj); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | void InputDispatchPolicy::getMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags, |
| 716 | Vector<InputTarget>& outTargets) { |
| 717 | JNIEnv* env = threadEnv(); |
| 718 | |
| 719 | jobject motionEventObj = android_view_MotionEvent_fromNative(env, motionEvent); |
| 720 | if (! motionEventObj) { |
| 721 | LOGE("Could not obtain DVM MotionEvent object to get key event targets."); |
| 722 | } else { |
| 723 | jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks, |
| 724 | gCallbacksClassInfo.getMotionEventTargets, |
| 725 | motionEventObj, jint(motionEvent->getNature()), jint(policyFlags))); |
| 726 | if (! checkException(env, "getMotionEventTargets") && result) { |
| 727 | jsize length = env->GetArrayLength(result); |
| 728 | for (jsize i = 0; i < length; i++) { |
| 729 | jobject item = env->GetObjectArrayElement(result, i); |
| 730 | if (! item) { |
| 731 | break; // found null element indicating end of used portion of the array |
| 732 | } |
| 733 | |
| 734 | outTargets.add(); |
| 735 | android_view_InputTarget_toNative(env, item, & outTargets.editTop()); |
| 736 | |
| 737 | env->DeleteLocalRef(item); |
| 738 | } |
| 739 | env->DeleteLocalRef(result); |
| 740 | } |
| 741 | android_view_MotionEvent_recycle(env, motionEventObj); |
| 742 | env->DeleteLocalRef(motionEventObj); |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | } /* namespace android */ |