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 //#define LOG_NDEBUG 0 20 21 // Log debug messages about InputReaderPolicy 22 #define DEBUG_INPUT_READER_POLICY 0 23 24 // Log debug messages about InputDispatcherPolicy 25 #define DEBUG_INPUT_DISPATCHER_POLICY 0 26 27 28 #include "JNIHelp.h" 29 #include "jni.h" 30 #include <limits.h> 31 #include <android_runtime/AndroidRuntime.h> 32 33 #include <utils/Log.h> 34 #include <utils/Looper.h> 35 #include <utils/threads.h> 36 37 #include <input/InputManager.h> 38 #include <input/PointerController.h> 39 #include <input/SpriteController.h> 40 41 #include <android_os_MessageQueue.h> 42 #include <android_view_InputDevice.h> 43 #include <android_view_KeyEvent.h> 44 #include <android_view_MotionEvent.h> 45 #include <android_view_InputChannel.h> 46 #include <android_view_PointerIcon.h> 47 #include <android/graphics/GraphicsJNI.h> 48 49 #include <ScopedLocalRef.h> 50 #include <ScopedUtfChars.h> 51 52 #include "com_android_server_PowerManagerService.h" 53 #include "com_android_server_input_InputApplicationHandle.h" 54 #include "com_android_server_input_InputWindowHandle.h" 55 56 namespace android { 57 58 // The exponent used to calculate the pointer speed scaling factor. 59 // The scaling factor is calculated as 2 ^ (speed * exponent), 60 // where the speed ranges from -7 to + 7 and is supplied by the user. 61 static const float POINTER_SPEED_EXPONENT = 1.0f / 4; 62 63 static struct { 64 jmethodID notifyConfigurationChanged; 65 jmethodID notifyInputDevicesChanged; 66 jmethodID notifyLidSwitchChanged; 67 jmethodID notifyInputChannelBroken; 68 jmethodID notifyANR; 69 jmethodID filterInputEvent; 70 jmethodID interceptKeyBeforeQueueing; 71 jmethodID interceptMotionBeforeQueueingWhenScreenOff; 72 jmethodID interceptKeyBeforeDispatching; 73 jmethodID dispatchUnhandledKey; 74 jmethodID checkInjectEventsPermission; 75 jmethodID getVirtualKeyQuietTimeMillis; 76 jmethodID getExcludedDeviceNames; 77 jmethodID getKeyRepeatTimeout; 78 jmethodID getKeyRepeatDelay; 79 jmethodID getHoverTapTimeout; 80 jmethodID getHoverTapSlop; 81 jmethodID getDoubleTapTimeout; 82 jmethodID getLongPressTimeout; 83 jmethodID getPointerLayer; 84 jmethodID getPointerIcon; 85 jmethodID getKeyboardLayoutOverlay; 86 jmethodID getDeviceAlias; 87 } gServiceClassInfo; 88 89 static struct { 90 jclass clazz; 91 } gInputDeviceClassInfo; 92 93 static struct { 94 jclass clazz; 95 } gKeyEventClassInfo; 96 97 static struct { 98 jclass clazz; 99 } gMotionEventClassInfo; 100 101 102 // --- Global functions --- 103 104 template<typename T> 105 inline static T min(const T& a, const T& b) { 106 return a < b ? a : b; 107 } 108 109 template<typename T> 110 inline static T max(const T& a, const T& b) { 111 return a > b ? a : b; 112 } 113 114 static jobject getInputApplicationHandleObjLocalRef(JNIEnv* env, 115 const sp<InputApplicationHandle>& inputApplicationHandle) { 116 if (inputApplicationHandle == NULL) { 117 return NULL; 118 } 119 return static_cast<NativeInputApplicationHandle*>(inputApplicationHandle.get())-> 120 getInputApplicationHandleObjLocalRef(env); 121 } 122 123 static jobject getInputWindowHandleObjLocalRef(JNIEnv* env, 124 const sp<InputWindowHandle>& inputWindowHandle) { 125 if (inputWindowHandle == NULL) { 126 return NULL; 127 } 128 return static_cast<NativeInputWindowHandle*>(inputWindowHandle.get())-> 129 getInputWindowHandleObjLocalRef(env); 130 } 131 132 static void loadSystemIconAsSprite(JNIEnv* env, jobject contextObj, int32_t style, 133 SpriteIcon* outSpriteIcon) { 134 PointerIcon pointerIcon; 135 status_t status = android_view_PointerIcon_loadSystemIcon(env, 136 contextObj, style, &pointerIcon); 137 if (!status) { 138 pointerIcon.bitmap.copyTo(&outSpriteIcon->bitmap, SkBitmap::kARGB_8888_Config); 139 outSpriteIcon->hotSpotX = pointerIcon.hotSpotX; 140 outSpriteIcon->hotSpotY = pointerIcon.hotSpotY; 141 } 142 } 143 144 enum { 145 WM_ACTION_PASS_TO_USER = 1, 146 WM_ACTION_POKE_USER_ACTIVITY = 2, 147 WM_ACTION_GO_TO_SLEEP = 4, 148 }; 149 150 151 // --- NativeInputManager --- 152 153 class NativeInputManager : public virtual RefBase, 154 public virtual InputReaderPolicyInterface, 155 public virtual InputDispatcherPolicyInterface, 156 public virtual PointerControllerPolicyInterface { 157 protected: 158 virtual ~NativeInputManager(); 159 160 public: 161 NativeInputManager(jobject contextObj, jobject serviceObj, const sp<Looper>& looper); 162 163 inline sp<InputManager> getInputManager() const { return mInputManager; } 164 165 void dump(String8& dump); 166 167 void setDisplaySize(int32_t displayId, int32_t width, int32_t height, 168 int32_t externalWidth, int32_t externalHeight); 169 void setDisplayOrientation(int32_t displayId, int32_t orientation, int32_t externalOrientation); 170 171 status_t registerInputChannel(JNIEnv* env, const sp<InputChannel>& inputChannel, 172 const sp<InputWindowHandle>& inputWindowHandle, bool monitor); 173 status_t unregisterInputChannel(JNIEnv* env, const sp<InputChannel>& inputChannel); 174 175 void setInputWindows(JNIEnv* env, jobjectArray windowHandleObjArray); 176 void setFocusedApplication(JNIEnv* env, jobject applicationHandleObj); 177 void setInputDispatchMode(bool enabled, bool frozen); 178 void setSystemUiVisibility(int32_t visibility); 179 void setPointerSpeed(int32_t speed); 180 void setShowTouches(bool enabled); 181 182 /* --- InputReaderPolicyInterface implementation --- */ 183 184 virtual void getReaderConfiguration(InputReaderConfiguration* outConfig); 185 virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId); 186 virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices); 187 virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(const String8& inputDeviceDescriptor); 188 virtual String8 getDeviceAlias(const InputDeviceIdentifier& identifier); 189 190 /* --- InputDispatcherPolicyInterface implementation --- */ 191 192 virtual void notifySwitch(nsecs_t when, int32_t switchCode, int32_t switchValue, 193 uint32_t policyFlags); 194 virtual void notifyConfigurationChanged(nsecs_t when); 195 virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle, 196 const sp<InputWindowHandle>& inputWindowHandle); 197 virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle); 198 virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags); 199 virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig); 200 virtual bool isKeyRepeatEnabled(); 201 virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags); 202 virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags); 203 virtual nsecs_t interceptKeyBeforeDispatching( 204 const sp<InputWindowHandle>& inputWindowHandle, 205 const KeyEvent* keyEvent, uint32_t policyFlags); 206 virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle, 207 const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent); 208 virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType); 209 virtual bool checkInjectEventsPermissionNonReentrant( 210 int32_t injectorPid, int32_t injectorUid); 211 212 /* --- PointerControllerPolicyInterface implementation --- */ 213 214 virtual void loadPointerResources(PointerResources* outResources); 215 216 private: 217 sp<InputManager> mInputManager; 218 219 jobject mContextObj; 220 jobject mServiceObj; 221 sp<Looper> mLooper; 222 223 Mutex mLock; 224 struct Locked { 225 // Display size information. 226 int32_t displayWidth, displayHeight; // -1 when not initialized 227 int32_t displayOrientation; 228 int32_t displayExternalWidth, displayExternalHeight; // -1 when not initialized 229 int32_t displayExternalOrientation; 230 231 // System UI visibility. 232 int32_t systemUiVisibility; 233 234 // Pointer speed. 235 int32_t pointerSpeed; 236 237 // True if pointer gestures are enabled. 238 bool pointerGesturesEnabled; 239 240 // Show touches feature enable/disable. 241 bool showTouches; 242 243 // Sprite controller singleton, created on first use. 244 sp<SpriteController> spriteController; 245 246 // Pointer controller singleton, created and destroyed as needed. 247 wp<PointerController> pointerController; 248 } mLocked; 249 250 void updateInactivityTimeoutLocked(const sp<PointerController>& controller); 251 void handleInterceptActions(jint wmActions, nsecs_t when, uint32_t& policyFlags); 252 void ensureSpriteControllerLocked(); 253 254 // Power manager interactions. 255 bool isScreenOn(); 256 bool isScreenBright(); 257 258 static bool checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName); 259 260 static inline JNIEnv* jniEnv() { 261 return AndroidRuntime::getJNIEnv(); 262 } 263 }; 264 265 266 267 NativeInputManager::NativeInputManager(jobject contextObj, 268 jobject serviceObj, const sp<Looper>& looper) : 269 mLooper(looper) { 270 JNIEnv* env = jniEnv(); 271 272 mContextObj = env->NewGlobalRef(contextObj); 273 mServiceObj = env->NewGlobalRef(serviceObj); 274 275 { 276 AutoMutex _l(mLock); 277 mLocked.displayWidth = -1; 278 mLocked.displayHeight = -1; 279 mLocked.displayOrientation = DISPLAY_ORIENTATION_0; 280 mLocked.displayExternalWidth = -1; 281 mLocked.displayExternalHeight = -1; 282 mLocked.displayExternalOrientation = DISPLAY_ORIENTATION_0; 283 284 mLocked.systemUiVisibility = ASYSTEM_UI_VISIBILITY_STATUS_BAR_VISIBLE; 285 mLocked.pointerSpeed = 0; 286 mLocked.pointerGesturesEnabled = true; 287 mLocked.showTouches = false; 288 } 289 290 sp<EventHub> eventHub = new EventHub(); 291 mInputManager = new InputManager(eventHub, this, this); 292 } 293 294 NativeInputManager::~NativeInputManager() { 295 JNIEnv* env = jniEnv(); 296 297 env->DeleteGlobalRef(mContextObj); 298 env->DeleteGlobalRef(mServiceObj); 299 } 300 301 void NativeInputManager::dump(String8& dump) { 302 mInputManager->getReader()->dump(dump); 303 dump.append("\n"); 304 305 mInputManager->getDispatcher()->dump(dump); 306 dump.append("\n"); 307 } 308 309 bool NativeInputManager::checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { 310 if (env->ExceptionCheck()) { 311 ALOGE("An exception was thrown by callback '%s'.", methodName); 312 LOGE_EX(env); 313 env->ExceptionClear(); 314 return true; 315 } 316 return false; 317 } 318 319 void NativeInputManager::setDisplaySize(int32_t displayId, int32_t width, int32_t height, 320 int32_t externalWidth, int32_t externalHeight) { 321 bool changed = false; 322 if (displayId == 0) { 323 AutoMutex _l(mLock); 324 325 if (mLocked.displayWidth != width || mLocked.displayHeight != height) { 326 changed = true; 327 mLocked.displayWidth = width; 328 mLocked.displayHeight = height; 329 330 sp<PointerController> controller = mLocked.pointerController.promote(); 331 if (controller != NULL) { 332 controller->setDisplaySize(width, height); 333 } 334 } 335 336 if (mLocked.displayExternalWidth != externalWidth 337 || mLocked.displayExternalHeight != externalHeight) { 338 changed = true; 339 mLocked.displayExternalWidth = externalWidth; 340 mLocked.displayExternalHeight = externalHeight; 341 } 342 } 343 344 if (changed) { 345 mInputManager->getReader()->requestRefreshConfiguration( 346 InputReaderConfiguration::CHANGE_DISPLAY_INFO); 347 } 348 } 349 350 void NativeInputManager::setDisplayOrientation(int32_t displayId, int32_t orientation, 351 int32_t externalOrientation) { 352 bool changed = false; 353 if (displayId == 0) { 354 AutoMutex _l(mLock); 355 356 if (mLocked.displayOrientation != orientation) { 357 changed = true; 358 mLocked.displayOrientation = orientation; 359 360 sp<PointerController> controller = mLocked.pointerController.promote(); 361 if (controller != NULL) { 362 controller->setDisplayOrientation(orientation); 363 } 364 } 365 366 if (mLocked.displayExternalOrientation != externalOrientation) { 367 changed = true; 368 mLocked.displayExternalOrientation = externalOrientation; 369 } 370 } 371 372 if (changed) { 373 mInputManager->getReader()->requestRefreshConfiguration( 374 InputReaderConfiguration::CHANGE_DISPLAY_INFO); 375 } 376 } 377 378 status_t NativeInputManager::registerInputChannel(JNIEnv* env, 379 const sp<InputChannel>& inputChannel, 380 const sp<InputWindowHandle>& inputWindowHandle, bool monitor) { 381 return mInputManager->getDispatcher()->registerInputChannel( 382 inputChannel, inputWindowHandle, monitor); 383 } 384 385 status_t NativeInputManager::unregisterInputChannel(JNIEnv* env, 386 const sp<InputChannel>& inputChannel) { 387 return mInputManager->getDispatcher()->unregisterInputChannel(inputChannel); 388 } 389 390 void NativeInputManager::getReaderConfiguration(InputReaderConfiguration* outConfig) { 391 JNIEnv* env = jniEnv(); 392 393 jint virtualKeyQuietTime = env->CallIntMethod(mServiceObj, 394 gServiceClassInfo.getVirtualKeyQuietTimeMillis); 395 if (!checkAndClearExceptionFromCallback(env, "getVirtualKeyQuietTimeMillis")) { 396 outConfig->virtualKeyQuietTime = milliseconds_to_nanoseconds(virtualKeyQuietTime); 397 } 398 399 outConfig->excludedDeviceNames.clear(); 400 jobjectArray excludedDeviceNames = jobjectArray(env->CallObjectMethod(mServiceObj, 401 gServiceClassInfo.getExcludedDeviceNames)); 402 if (!checkAndClearExceptionFromCallback(env, "getExcludedDeviceNames") && excludedDeviceNames) { 403 jsize length = env->GetArrayLength(excludedDeviceNames); 404 for (jsize i = 0; i < length; i++) { 405 jstring item = jstring(env->GetObjectArrayElement(excludedDeviceNames, i)); 406 const char* deviceNameChars = env->GetStringUTFChars(item, NULL); 407 outConfig->excludedDeviceNames.add(String8(deviceNameChars)); 408 env->ReleaseStringUTFChars(item, deviceNameChars); 409 env->DeleteLocalRef(item); 410 } 411 env->DeleteLocalRef(excludedDeviceNames); 412 } 413 414 jint hoverTapTimeout = env->CallIntMethod(mServiceObj, 415 gServiceClassInfo.getHoverTapTimeout); 416 if (!checkAndClearExceptionFromCallback(env, "getHoverTapTimeout")) { 417 jint doubleTapTimeout = env->CallIntMethod(mServiceObj, 418 gServiceClassInfo.getDoubleTapTimeout); 419 if (!checkAndClearExceptionFromCallback(env, "getDoubleTapTimeout")) { 420 jint longPressTimeout = env->CallIntMethod(mServiceObj, 421 gServiceClassInfo.getLongPressTimeout); 422 if (!checkAndClearExceptionFromCallback(env, "getLongPressTimeout")) { 423 outConfig->pointerGestureTapInterval = milliseconds_to_nanoseconds(hoverTapTimeout); 424 425 // We must ensure that the tap-drag interval is significantly shorter than 426 // the long-press timeout because the tap is held down for the entire duration 427 // of the double-tap timeout. 428 jint tapDragInterval = max(min(longPressTimeout - 100, 429 doubleTapTimeout), hoverTapTimeout); 430 outConfig->pointerGestureTapDragInterval = 431 milliseconds_to_nanoseconds(tapDragInterval); 432 } 433 } 434 } 435 436 jint hoverTapSlop = env->CallIntMethod(mServiceObj, 437 gServiceClassInfo.getHoverTapSlop); 438 if (!checkAndClearExceptionFromCallback(env, "getHoverTapSlop")) { 439 outConfig->pointerGestureTapSlop = hoverTapSlop; 440 } 441 442 { // acquire lock 443 AutoMutex _l(mLock); 444 445 outConfig->pointerVelocityControlParameters.scale = exp2f(mLocked.pointerSpeed 446 * POINTER_SPEED_EXPONENT); 447 outConfig->pointerGesturesEnabled = mLocked.pointerGesturesEnabled; 448 449 outConfig->showTouches = mLocked.showTouches; 450 451 outConfig->setDisplayInfo(0, false /*external*/, 452 mLocked.displayWidth, mLocked.displayHeight, mLocked.displayOrientation); 453 outConfig->setDisplayInfo(0, true /*external*/, 454 mLocked.displayExternalWidth, mLocked.displayExternalHeight, 455 mLocked.displayExternalOrientation); 456 } // release lock 457 } 458 459 sp<PointerControllerInterface> NativeInputManager::obtainPointerController(int32_t deviceId) { 460 AutoMutex _l(mLock); 461 462 sp<PointerController> controller = mLocked.pointerController.promote(); 463 if (controller == NULL) { 464 ensureSpriteControllerLocked(); 465 466 controller = new PointerController(this, mLooper, mLocked.spriteController); 467 mLocked.pointerController = controller; 468 469 controller->setDisplaySize(mLocked.displayWidth, mLocked.displayHeight); 470 controller->setDisplayOrientation(mLocked.displayOrientation); 471 472 JNIEnv* env = jniEnv(); 473 jobject pointerIconObj = env->CallObjectMethod(mServiceObj, 474 gServiceClassInfo.getPointerIcon); 475 if (!checkAndClearExceptionFromCallback(env, "getPointerIcon")) { 476 PointerIcon pointerIcon; 477 status_t status = android_view_PointerIcon_load(env, pointerIconObj, 478 mContextObj, &pointerIcon); 479 if (!status && !pointerIcon.isNullIcon()) { 480 controller->setPointerIcon(SpriteIcon(pointerIcon.bitmap, 481 pointerIcon.hotSpotX, pointerIcon.hotSpotY)); 482 } else { 483 controller->setPointerIcon(SpriteIcon()); 484 } 485 env->DeleteLocalRef(pointerIconObj); 486 } 487 488 updateInactivityTimeoutLocked(controller); 489 } 490 return controller; 491 } 492 493 void NativeInputManager::ensureSpriteControllerLocked() { 494 if (mLocked.spriteController == NULL) { 495 JNIEnv* env = jniEnv(); 496 jint layer = env->CallIntMethod(mServiceObj, gServiceClassInfo.getPointerLayer); 497 if (checkAndClearExceptionFromCallback(env, "getPointerLayer")) { 498 layer = -1; 499 } 500 mLocked.spriteController = new SpriteController(mLooper, layer); 501 } 502 } 503 504 void NativeInputManager::notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) { 505 JNIEnv* env = jniEnv(); 506 507 size_t count = inputDevices.size(); 508 jobjectArray inputDevicesObjArray = env->NewObjectArray( 509 count, gInputDeviceClassInfo.clazz, NULL); 510 if (inputDevicesObjArray) { 511 bool error = false; 512 for (size_t i = 0; i < count; i++) { 513 jobject inputDeviceObj = android_view_InputDevice_create(env, inputDevices.itemAt(i)); 514 if (!inputDeviceObj) { 515 error = true; 516 break; 517 } 518 519 env->SetObjectArrayElement(inputDevicesObjArray, i, inputDeviceObj); 520 env->DeleteLocalRef(inputDeviceObj); 521 } 522 523 if (!error) { 524 env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyInputDevicesChanged, 525 inputDevicesObjArray); 526 } 527 528 env->DeleteLocalRef(inputDevicesObjArray); 529 } 530 531 checkAndClearExceptionFromCallback(env, "notifyInputDevicesChanged"); 532 } 533 534 sp<KeyCharacterMap> NativeInputManager::getKeyboardLayoutOverlay( 535 const String8& inputDeviceDescriptor) { 536 JNIEnv* env = jniEnv(); 537 538 sp<KeyCharacterMap> result; 539 ScopedLocalRef<jstring> descriptorObj(env, env->NewStringUTF(inputDeviceDescriptor.string())); 540 ScopedLocalRef<jobjectArray> arrayObj(env, jobjectArray(env->CallObjectMethod(mServiceObj, 541 gServiceClassInfo.getKeyboardLayoutOverlay, descriptorObj.get()))); 542 if (arrayObj.get()) { 543 ScopedLocalRef<jstring> filenameObj(env, 544 jstring(env->GetObjectArrayElement(arrayObj.get(), 0))); 545 ScopedLocalRef<jstring> contentsObj(env, 546 jstring(env->GetObjectArrayElement(arrayObj.get(), 1))); 547 ScopedUtfChars filenameChars(env, filenameObj.get()); 548 ScopedUtfChars contentsChars(env, contentsObj.get()); 549 550 KeyCharacterMap::loadContents(String8(filenameChars.c_str()), 551 String8(contentsChars.c_str()), KeyCharacterMap::FORMAT_OVERLAY, &result); 552 } 553 checkAndClearExceptionFromCallback(env, "getKeyboardLayoutOverlay"); 554 return result; 555 } 556 557 String8 NativeInputManager::getDeviceAlias(const InputDeviceIdentifier& identifier) { 558 JNIEnv* env = jniEnv(); 559 560 ScopedLocalRef<jstring> uniqueIdObj(env, env->NewStringUTF(identifier.uniqueId.string())); 561 ScopedLocalRef<jstring> aliasObj(env, jstring(env->CallObjectMethod(mServiceObj, 562 gServiceClassInfo.getDeviceAlias, uniqueIdObj.get()))); 563 String8 result; 564 if (aliasObj.get()) { 565 ScopedUtfChars aliasChars(env, aliasObj.get()); 566 result.setTo(aliasChars.c_str()); 567 } 568 checkAndClearExceptionFromCallback(env, "getDeviceAlias"); 569 return result; 570 } 571 572 void NativeInputManager::notifySwitch(nsecs_t when, int32_t switchCode, 573 int32_t switchValue, uint32_t policyFlags) { 574 #if DEBUG_INPUT_DISPATCHER_POLICY 575 ALOGD("notifySwitch - when=%lld, switchCode=%d, switchValue=%d, policyFlags=0x%x", 576 when, switchCode, switchValue, policyFlags); 577 #endif 578 579 JNIEnv* env = jniEnv(); 580 581 switch (switchCode) { 582 case SW_LID: 583 // When switch value is set indicates lid is closed. 584 env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyLidSwitchChanged, 585 when, switchValue == 0 /*lidOpen*/); 586 checkAndClearExceptionFromCallback(env, "notifyLidSwitchChanged"); 587 break; 588 } 589 } 590 591 void NativeInputManager::notifyConfigurationChanged(nsecs_t when) { 592 #if DEBUG_INPUT_DISPATCHER_POLICY 593 ALOGD("notifyConfigurationChanged - when=%lld", when); 594 #endif 595 596 JNIEnv* env = jniEnv(); 597 598 env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyConfigurationChanged, when); 599 checkAndClearExceptionFromCallback(env, "notifyConfigurationChanged"); 600 } 601 602 nsecs_t NativeInputManager::notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle, 603 const sp<InputWindowHandle>& inputWindowHandle) { 604 #if DEBUG_INPUT_DISPATCHER_POLICY 605 ALOGD("notifyANR"); 606 #endif 607 608 JNIEnv* env = jniEnv(); 609 610 jobject inputApplicationHandleObj = 611 getInputApplicationHandleObjLocalRef(env, inputApplicationHandle); 612 jobject inputWindowHandleObj = 613 getInputWindowHandleObjLocalRef(env, inputWindowHandle); 614 615 jlong newTimeout = env->CallLongMethod(mServiceObj, 616 gServiceClassInfo.notifyANR, inputApplicationHandleObj, inputWindowHandleObj); 617 if (checkAndClearExceptionFromCallback(env, "notifyANR")) { 618 newTimeout = 0; // abort dispatch 619 } else { 620 assert(newTimeout >= 0); 621 } 622 623 env->DeleteLocalRef(inputWindowHandleObj); 624 env->DeleteLocalRef(inputApplicationHandleObj); 625 return newTimeout; 626 } 627 628 void NativeInputManager::notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) { 629 #if DEBUG_INPUT_DISPATCHER_POLICY 630 ALOGD("notifyInputChannelBroken"); 631 #endif 632 633 JNIEnv* env = jniEnv(); 634 635 jobject inputWindowHandleObj = 636 getInputWindowHandleObjLocalRef(env, inputWindowHandle); 637 if (inputWindowHandleObj) { 638 env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyInputChannelBroken, 639 inputWindowHandleObj); 640 checkAndClearExceptionFromCallback(env, "notifyInputChannelBroken"); 641 642 env->DeleteLocalRef(inputWindowHandleObj); 643 } 644 } 645 646 void NativeInputManager::getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) { 647 JNIEnv* env = jniEnv(); 648 649 jint keyRepeatTimeout = env->CallIntMethod(mServiceObj, 650 gServiceClassInfo.getKeyRepeatTimeout); 651 if (!checkAndClearExceptionFromCallback(env, "getKeyRepeatTimeout")) { 652 outConfig->keyRepeatTimeout = milliseconds_to_nanoseconds(keyRepeatTimeout); 653 } 654 655 jint keyRepeatDelay = env->CallIntMethod(mServiceObj, 656 gServiceClassInfo.getKeyRepeatDelay); 657 if (!checkAndClearExceptionFromCallback(env, "getKeyRepeatDelay")) { 658 outConfig->keyRepeatDelay = milliseconds_to_nanoseconds(keyRepeatDelay); 659 } 660 } 661 662 bool NativeInputManager::isKeyRepeatEnabled() { 663 // Only enable automatic key repeating when the screen is on. 664 return isScreenOn(); 665 } 666 667 void NativeInputManager::setInputWindows(JNIEnv* env, jobjectArray windowHandleObjArray) { 668 Vector<sp<InputWindowHandle> > windowHandles; 669 670 if (windowHandleObjArray) { 671 jsize length = env->GetArrayLength(windowHandleObjArray); 672 for (jsize i = 0; i < length; i++) { 673 jobject windowHandleObj = env->GetObjectArrayElement(windowHandleObjArray, i); 674 if (! windowHandleObj) { 675 break; // found null element indicating end of used portion of the array 676 } 677 678 sp<InputWindowHandle> windowHandle = 679 android_server_InputWindowHandle_getHandle(env, windowHandleObj); 680 if (windowHandle != NULL) { 681 windowHandles.push(windowHandle); 682 } 683 env->DeleteLocalRef(windowHandleObj); 684 } 685 } 686 687 mInputManager->getDispatcher()->setInputWindows(windowHandles); 688 689 // Do this after the dispatcher has updated the window handle state. 690 bool newPointerGesturesEnabled = true; 691 size_t numWindows = windowHandles.size(); 692 for (size_t i = 0; i < numWindows; i++) { 693 const sp<InputWindowHandle>& windowHandle = windowHandles.itemAt(i); 694 const InputWindowInfo* windowInfo = windowHandle->getInfo(); 695 if (windowInfo && windowInfo->hasFocus && (windowInfo->inputFeatures 696 & InputWindowInfo::INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES)) { 697 newPointerGesturesEnabled = false; 698 } 699 } 700 701 uint32_t changes = 0; 702 { // acquire lock 703 AutoMutex _l(mLock); 704 705 if (mLocked.pointerGesturesEnabled != newPointerGesturesEnabled) { 706 mLocked.pointerGesturesEnabled = newPointerGesturesEnabled; 707 changes |= InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT; 708 } 709 } // release lock 710 711 if (changes) { 712 mInputManager->getReader()->requestRefreshConfiguration(changes); 713 } 714 } 715 716 void NativeInputManager::setFocusedApplication(JNIEnv* env, jobject applicationHandleObj) { 717 sp<InputApplicationHandle> applicationHandle = 718 android_server_InputApplicationHandle_getHandle(env, applicationHandleObj); 719 mInputManager->getDispatcher()->setFocusedApplication(applicationHandle); 720 } 721 722 void NativeInputManager::setInputDispatchMode(bool enabled, bool frozen) { 723 mInputManager->getDispatcher()->setInputDispatchMode(enabled, frozen); 724 } 725 726 void NativeInputManager::setSystemUiVisibility(int32_t visibility) { 727 AutoMutex _l(mLock); 728 729 if (mLocked.systemUiVisibility != visibility) { 730 mLocked.systemUiVisibility = visibility; 731 732 sp<PointerController> controller = mLocked.pointerController.promote(); 733 if (controller != NULL) { 734 updateInactivityTimeoutLocked(controller); 735 } 736 } 737 } 738 739 void NativeInputManager::updateInactivityTimeoutLocked(const sp<PointerController>& controller) { 740 bool lightsOut = mLocked.systemUiVisibility & ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN; 741 controller->setInactivityTimeout(lightsOut 742 ? PointerController::INACTIVITY_TIMEOUT_SHORT 743 : PointerController::INACTIVITY_TIMEOUT_NORMAL); 744 } 745 746 void NativeInputManager::setPointerSpeed(int32_t speed) { 747 { // acquire lock 748 AutoMutex _l(mLock); 749 750 if (mLocked.pointerSpeed == speed) { 751 return; 752 } 753 754 ALOGI("Setting pointer speed to %d.", speed); 755 mLocked.pointerSpeed = speed; 756 } // release lock 757 758 mInputManager->getReader()->requestRefreshConfiguration( 759 InputReaderConfiguration::CHANGE_POINTER_SPEED); 760 } 761 762 void NativeInputManager::setShowTouches(bool enabled) { 763 { // acquire lock 764 AutoMutex _l(mLock); 765 766 if (mLocked.showTouches == enabled) { 767 return; 768 } 769 770 ALOGI("Setting show touches feature to %s.", enabled ? "enabled" : "disabled"); 771 mLocked.showTouches = enabled; 772 } // release lock 773 774 mInputManager->getReader()->requestRefreshConfiguration( 775 InputReaderConfiguration::CHANGE_SHOW_TOUCHES); 776 } 777 778 bool NativeInputManager::isScreenOn() { 779 return android_server_PowerManagerService_isScreenOn(); 780 } 781 782 bool NativeInputManager::isScreenBright() { 783 return android_server_PowerManagerService_isScreenBright(); 784 } 785 786 bool NativeInputManager::filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) { 787 jobject inputEventObj; 788 789 JNIEnv* env = jniEnv(); 790 switch (inputEvent->getType()) { 791 case AINPUT_EVENT_TYPE_KEY: 792 inputEventObj = android_view_KeyEvent_fromNative(env, 793 static_cast<const KeyEvent*>(inputEvent)); 794 break; 795 case AINPUT_EVENT_TYPE_MOTION: 796 inputEventObj = android_view_MotionEvent_obtainAsCopy(env, 797 static_cast<const MotionEvent*>(inputEvent)); 798 break; 799 default: 800 return true; // dispatch the event normally 801 } 802 803 if (!inputEventObj) { 804 ALOGE("Failed to obtain input event object for filterInputEvent."); 805 return true; // dispatch the event normally 806 } 807 808 // The callee is responsible for recycling the event. 809 jboolean pass = env->CallBooleanMethod(mServiceObj, gServiceClassInfo.filterInputEvent, 810 inputEventObj, policyFlags); 811 if (checkAndClearExceptionFromCallback(env, "filterInputEvent")) { 812 pass = true; 813 } 814 env->DeleteLocalRef(inputEventObj); 815 return pass; 816 } 817 818 void NativeInputManager::interceptKeyBeforeQueueing(const KeyEvent* keyEvent, 819 uint32_t& policyFlags) { 820 // Policy: 821 // - Ignore untrusted events and pass them along. 822 // - Ask the window manager what to do with normal events and trusted injected events. 823 // - For normal events wake and brighten the screen if currently off or dim. 824 if ((policyFlags & POLICY_FLAG_TRUSTED)) { 825 nsecs_t when = keyEvent->getEventTime(); 826 bool isScreenOn = this->isScreenOn(); 827 bool isScreenBright = this->isScreenBright(); 828 829 JNIEnv* env = jniEnv(); 830 jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent); 831 jint wmActions; 832 if (keyEventObj) { 833 wmActions = env->CallIntMethod(mServiceObj, 834 gServiceClassInfo.interceptKeyBeforeQueueing, 835 keyEventObj, policyFlags, isScreenOn); 836 if (checkAndClearExceptionFromCallback(env, "interceptKeyBeforeQueueing")) { 837 wmActions = 0; 838 } 839 android_view_KeyEvent_recycle(env, keyEventObj); 840 env->DeleteLocalRef(keyEventObj); 841 } else { 842 ALOGE("Failed to obtain key event object for interceptKeyBeforeQueueing."); 843 wmActions = 0; 844 } 845 846 if (!(policyFlags & POLICY_FLAG_INJECTED)) { 847 if (!isScreenOn) { 848 policyFlags |= POLICY_FLAG_WOKE_HERE; 849 } 850 851 if (!isScreenBright) { 852 policyFlags |= POLICY_FLAG_BRIGHT_HERE; 853 } 854 } 855 856 handleInterceptActions(wmActions, when, /*byref*/ policyFlags); 857 } else { 858 policyFlags |= POLICY_FLAG_PASS_TO_USER; 859 } 860 } 861 862 void NativeInputManager::interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) { 863 // Policy: 864 // - Ignore untrusted events and pass them along. 865 // - No special filtering for injected events required at this time. 866 // - Filter normal events based on screen state. 867 // - For normal events brighten (but do not wake) the screen if currently dim. 868 if ((policyFlags & POLICY_FLAG_TRUSTED) && !(policyFlags & POLICY_FLAG_INJECTED)) { 869 if (isScreenOn()) { 870 policyFlags |= POLICY_FLAG_PASS_TO_USER; 871 872 if (!isScreenBright()) { 873 policyFlags |= POLICY_FLAG_BRIGHT_HERE; 874 } 875 } else { 876 JNIEnv* env = jniEnv(); 877 jint wmActions = env->CallIntMethod(mServiceObj, 878 gServiceClassInfo.interceptMotionBeforeQueueingWhenScreenOff, 879 policyFlags); 880 if (checkAndClearExceptionFromCallback(env, 881 "interceptMotionBeforeQueueingWhenScreenOff")) { 882 wmActions = 0; 883 } 884 885 policyFlags |= POLICY_FLAG_WOKE_HERE | POLICY_FLAG_BRIGHT_HERE; 886 handleInterceptActions(wmActions, when, /*byref*/ policyFlags); 887 } 888 } else { 889 policyFlags |= POLICY_FLAG_PASS_TO_USER; 890 } 891 } 892 893 void NativeInputManager::handleInterceptActions(jint wmActions, nsecs_t when, 894 uint32_t& policyFlags) { 895 if (wmActions & WM_ACTION_GO_TO_SLEEP) { 896 #if DEBUG_INPUT_DISPATCHER_POLICY 897 ALOGD("handleInterceptActions: Going to sleep."); 898 #endif 899 android_server_PowerManagerService_goToSleep(when); 900 } 901 902 if (wmActions & WM_ACTION_POKE_USER_ACTIVITY) { 903 #if DEBUG_INPUT_DISPATCHER_POLICY 904 ALOGD("handleInterceptActions: Poking user activity."); 905 #endif 906 android_server_PowerManagerService_userActivity(when, POWER_MANAGER_BUTTON_EVENT); 907 } 908 909 if (wmActions & WM_ACTION_PASS_TO_USER) { 910 policyFlags |= POLICY_FLAG_PASS_TO_USER; 911 } else { 912 #if DEBUG_INPUT_DISPATCHER_POLICY 913 ALOGD("handleInterceptActions: Not passing key to user."); 914 #endif 915 } 916 } 917 918 nsecs_t NativeInputManager::interceptKeyBeforeDispatching( 919 const sp<InputWindowHandle>& inputWindowHandle, 920 const KeyEvent* keyEvent, uint32_t policyFlags) { 921 // Policy: 922 // - Ignore untrusted events and pass them along. 923 // - Filter normal events and trusted injected events through the window manager policy to 924 // handle the HOME key and the like. 925 nsecs_t result = 0; 926 if (policyFlags & POLICY_FLAG_TRUSTED) { 927 JNIEnv* env = jniEnv(); 928 929 // Note: inputWindowHandle may be null. 930 jobject inputWindowHandleObj = getInputWindowHandleObjLocalRef(env, inputWindowHandle); 931 jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent); 932 if (keyEventObj) { 933 jlong delayMillis = env->CallLongMethod(mServiceObj, 934 gServiceClassInfo.interceptKeyBeforeDispatching, 935 inputWindowHandleObj, keyEventObj, policyFlags); 936 bool error = checkAndClearExceptionFromCallback(env, "interceptKeyBeforeDispatching"); 937 android_view_KeyEvent_recycle(env, keyEventObj); 938 env->DeleteLocalRef(keyEventObj); 939 if (!error) { 940 if (delayMillis < 0) { 941 result = -1; 942 } else if (delayMillis > 0) { 943 result = milliseconds_to_nanoseconds(delayMillis); 944 } 945 } 946 } else { 947 ALOGE("Failed to obtain key event object for interceptKeyBeforeDispatching."); 948 } 949 env->DeleteLocalRef(inputWindowHandleObj); 950 } 951 return result; 952 } 953 954 bool NativeInputManager::dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle, 955 const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) { 956 // Policy: 957 // - Ignore untrusted events and do not perform default handling. 958 bool result = false; 959 if (policyFlags & POLICY_FLAG_TRUSTED) { 960 JNIEnv* env = jniEnv(); 961 962 // Note: inputWindowHandle may be null. 963 jobject inputWindowHandleObj = getInputWindowHandleObjLocalRef(env, inputWindowHandle); 964 jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent); 965 if (keyEventObj) { 966 jobject fallbackKeyEventObj = env->CallObjectMethod(mServiceObj, 967 gServiceClassInfo.dispatchUnhandledKey, 968 inputWindowHandleObj, keyEventObj, policyFlags); 969 if (checkAndClearExceptionFromCallback(env, "dispatchUnhandledKey")) { 970 fallbackKeyEventObj = NULL; 971 } 972 android_view_KeyEvent_recycle(env, keyEventObj); 973 env->DeleteLocalRef(keyEventObj); 974 975 if (fallbackKeyEventObj) { 976 // Note: outFallbackKeyEvent may be the same object as keyEvent. 977 if (!android_view_KeyEvent_toNative(env, fallbackKeyEventObj, 978 outFallbackKeyEvent)) { 979 result = true; 980 } 981 android_view_KeyEvent_recycle(env, fallbackKeyEventObj); 982 env->DeleteLocalRef(fallbackKeyEventObj); 983 } 984 } else { 985 ALOGE("Failed to obtain key event object for dispatchUnhandledKey."); 986 } 987 env->DeleteLocalRef(inputWindowHandleObj); 988 } 989 return result; 990 } 991 992 void NativeInputManager::pokeUserActivity(nsecs_t eventTime, int32_t eventType) { 993 android_server_PowerManagerService_userActivity(eventTime, eventType); 994 } 995 996 997 bool NativeInputManager::checkInjectEventsPermissionNonReentrant( 998 int32_t injectorPid, int32_t injectorUid) { 999 JNIEnv* env = jniEnv(); 1000 jboolean result = env->CallBooleanMethod(mServiceObj, 1001 gServiceClassInfo.checkInjectEventsPermission, injectorPid, injectorUid); 1002 if (checkAndClearExceptionFromCallback(env, "checkInjectEventsPermission")) { 1003 result = false; 1004 } 1005 return result; 1006 } 1007 1008 void NativeInputManager::loadPointerResources(PointerResources* outResources) { 1009 JNIEnv* env = jniEnv(); 1010 1011 loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_HOVER, 1012 &outResources->spotHover); 1013 loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_TOUCH, 1014 &outResources->spotTouch); 1015 loadSystemIconAsSprite(env, mContextObj, POINTER_ICON_STYLE_SPOT_ANCHOR, 1016 &outResources->spotAnchor); 1017 } 1018 1019 1020 // ---------------------------------------------------------------------------- 1021 1022 static jint nativeInit(JNIEnv* env, jclass clazz, 1023 jobject serviceObj, jobject contextObj, jobject messageQueueObj) { 1024 sp<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj); 1025 NativeInputManager* im = new NativeInputManager(contextObj, serviceObj, 1026 messageQueue->getLooper()); 1027 im->incStrong(serviceObj); 1028 return reinterpret_cast<jint>(im); 1029 } 1030 1031 static void nativeStart(JNIEnv* env, jclass clazz, jint ptr) { 1032 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1033 1034 status_t result = im->getInputManager()->start(); 1035 if (result) { 1036 jniThrowRuntimeException(env, "Input manager could not be started."); 1037 } 1038 } 1039 1040 static void nativeSetDisplaySize(JNIEnv* env, jclass clazz, jint ptr, 1041 jint displayId, jint width, jint height, jint externalWidth, jint externalHeight) { 1042 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1043 1044 // XXX we could get this from the SurfaceFlinger directly instead of requiring it 1045 // to be passed in like this, not sure which is better but leaving it like this 1046 // keeps the window manager in direct control of when display transitions propagate down 1047 // to the input dispatcher 1048 im->setDisplaySize(displayId, width, height, externalWidth, externalHeight); 1049 } 1050 1051 static void nativeSetDisplayOrientation(JNIEnv* env, jclass clazz, 1052 jint ptr, jint displayId, jint orientation, jint externalOrientation) { 1053 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1054 1055 im->setDisplayOrientation(displayId, orientation, externalOrientation); 1056 } 1057 1058 static jint nativeGetScanCodeState(JNIEnv* env, jclass clazz, 1059 jint ptr, jint deviceId, jint sourceMask, jint scanCode) { 1060 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1061 1062 return im->getInputManager()->getReader()->getScanCodeState( 1063 deviceId, uint32_t(sourceMask), scanCode); 1064 } 1065 1066 static jint nativeGetKeyCodeState(JNIEnv* env, jclass clazz, 1067 jint ptr, jint deviceId, jint sourceMask, jint keyCode) { 1068 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1069 1070 return im->getInputManager()->getReader()->getKeyCodeState( 1071 deviceId, uint32_t(sourceMask), keyCode); 1072 } 1073 1074 static jint nativeGetSwitchState(JNIEnv* env, jclass clazz, 1075 jint ptr, jint deviceId, jint sourceMask, jint sw) { 1076 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1077 1078 return im->getInputManager()->getReader()->getSwitchState( 1079 deviceId, uint32_t(sourceMask), sw); 1080 } 1081 1082 static jboolean nativeHasKeys(JNIEnv* env, jclass clazz, 1083 jint ptr, jint deviceId, jint sourceMask, jintArray keyCodes, jbooleanArray outFlags) { 1084 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1085 1086 int32_t* codes = env->GetIntArrayElements(keyCodes, NULL); 1087 uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL); 1088 jsize numCodes = env->GetArrayLength(keyCodes); 1089 jboolean result; 1090 if (numCodes == env->GetArrayLength(keyCodes)) { 1091 result = im->getInputManager()->getReader()->hasKeys( 1092 deviceId, uint32_t(sourceMask), numCodes, codes, flags); 1093 } else { 1094 result = JNI_FALSE; 1095 } 1096 1097 env->ReleaseBooleanArrayElements(outFlags, flags, 0); 1098 env->ReleaseIntArrayElements(keyCodes, codes, 0); 1099 return result; 1100 } 1101 1102 static void throwInputChannelNotInitialized(JNIEnv* env) { 1103 jniThrowException(env, "java/lang/IllegalStateException", 1104 "inputChannel is not initialized"); 1105 } 1106 1107 static void handleInputChannelDisposed(JNIEnv* env, 1108 jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data) { 1109 NativeInputManager* im = static_cast<NativeInputManager*>(data); 1110 1111 ALOGW("Input channel object '%s' was disposed without first being unregistered with " 1112 "the input manager!", inputChannel->getName().string()); 1113 im->unregisterInputChannel(env, inputChannel); 1114 } 1115 1116 static void nativeRegisterInputChannel(JNIEnv* env, jclass clazz, 1117 jint ptr, jobject inputChannelObj, jobject inputWindowHandleObj, jboolean monitor) { 1118 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1119 1120 sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, 1121 inputChannelObj); 1122 if (inputChannel == NULL) { 1123 throwInputChannelNotInitialized(env); 1124 return; 1125 } 1126 1127 sp<InputWindowHandle> inputWindowHandle = 1128 android_server_InputWindowHandle_getHandle(env, inputWindowHandleObj); 1129 1130 status_t status = im->registerInputChannel( 1131 env, inputChannel, inputWindowHandle, monitor); 1132 if (status) { 1133 String8 message; 1134 message.appendFormat("Failed to register input channel. status=%d", status); 1135 jniThrowRuntimeException(env, message.string()); 1136 return; 1137 } 1138 1139 if (! monitor) { 1140 android_view_InputChannel_setDisposeCallback(env, inputChannelObj, 1141 handleInputChannelDisposed, im); 1142 } 1143 } 1144 1145 static void nativeUnregisterInputChannel(JNIEnv* env, jclass clazz, 1146 jint ptr, jobject inputChannelObj) { 1147 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1148 1149 sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, 1150 inputChannelObj); 1151 if (inputChannel == NULL) { 1152 throwInputChannelNotInitialized(env); 1153 return; 1154 } 1155 1156 android_view_InputChannel_setDisposeCallback(env, inputChannelObj, NULL, NULL); 1157 1158 status_t status = im->unregisterInputChannel(env, inputChannel); 1159 if (status && status != BAD_VALUE) { // ignore already unregistered channel 1160 String8 message; 1161 message.appendFormat("Failed to unregister input channel. status=%d", status); 1162 jniThrowRuntimeException(env, message.string()); 1163 } 1164 } 1165 1166 static void nativeSetInputFilterEnabled(JNIEnv* env, jclass clazz, 1167 jint ptr, jboolean enabled) { 1168 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1169 1170 im->getInputManager()->getDispatcher()->setInputFilterEnabled(enabled); 1171 } 1172 1173 static jint nativeInjectInputEvent(JNIEnv* env, jclass clazz, 1174 jint ptr, jobject inputEventObj, jint injectorPid, jint injectorUid, 1175 jint syncMode, jint timeoutMillis, jint policyFlags) { 1176 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1177 1178 if (env->IsInstanceOf(inputEventObj, gKeyEventClassInfo.clazz)) { 1179 KeyEvent keyEvent; 1180 status_t status = android_view_KeyEvent_toNative(env, inputEventObj, & keyEvent); 1181 if (status) { 1182 jniThrowRuntimeException(env, "Could not read contents of KeyEvent object."); 1183 return INPUT_EVENT_INJECTION_FAILED; 1184 } 1185 1186 return im->getInputManager()->getDispatcher()->injectInputEvent( 1187 & keyEvent, injectorPid, injectorUid, syncMode, timeoutMillis, 1188 uint32_t(policyFlags)); 1189 } else if (env->IsInstanceOf(inputEventObj, gMotionEventClassInfo.clazz)) { 1190 const MotionEvent* motionEvent = android_view_MotionEvent_getNativePtr(env, inputEventObj); 1191 if (!motionEvent) { 1192 jniThrowRuntimeException(env, "Could not read contents of MotionEvent object."); 1193 return INPUT_EVENT_INJECTION_FAILED; 1194 } 1195 1196 return im->getInputManager()->getDispatcher()->injectInputEvent( 1197 motionEvent, injectorPid, injectorUid, syncMode, timeoutMillis, 1198 uint32_t(policyFlags)); 1199 } else { 1200 jniThrowRuntimeException(env, "Invalid input event type."); 1201 return INPUT_EVENT_INJECTION_FAILED; 1202 } 1203 } 1204 1205 static void nativeSetInputWindows(JNIEnv* env, jclass clazz, 1206 jint ptr, jobjectArray windowHandleObjArray) { 1207 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1208 1209 im->setInputWindows(env, windowHandleObjArray); 1210 } 1211 1212 static void nativeSetFocusedApplication(JNIEnv* env, jclass clazz, 1213 jint ptr, jobject applicationHandleObj) { 1214 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1215 1216 im->setFocusedApplication(env, applicationHandleObj); 1217 } 1218 1219 static void nativeSetInputDispatchMode(JNIEnv* env, 1220 jclass clazz, jint ptr, jboolean enabled, jboolean frozen) { 1221 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1222 1223 im->setInputDispatchMode(enabled, frozen); 1224 } 1225 1226 static void nativeSetSystemUiVisibility(JNIEnv* env, 1227 jclass clazz, jint ptr, jint visibility) { 1228 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1229 1230 im->setSystemUiVisibility(visibility); 1231 } 1232 1233 static jboolean nativeTransferTouchFocus(JNIEnv* env, 1234 jclass clazz, jint ptr, jobject fromChannelObj, jobject toChannelObj) { 1235 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1236 1237 sp<InputChannel> fromChannel = 1238 android_view_InputChannel_getInputChannel(env, fromChannelObj); 1239 sp<InputChannel> toChannel = 1240 android_view_InputChannel_getInputChannel(env, toChannelObj); 1241 1242 if (fromChannel == NULL || toChannel == NULL) { 1243 return false; 1244 } 1245 1246 return im->getInputManager()->getDispatcher()-> 1247 transferTouchFocus(fromChannel, toChannel); 1248 } 1249 1250 static void nativeSetPointerSpeed(JNIEnv* env, 1251 jclass clazz, jint ptr, jint speed) { 1252 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1253 1254 im->setPointerSpeed(speed); 1255 } 1256 1257 static void nativeSetShowTouches(JNIEnv* env, 1258 jclass clazz, jint ptr, jboolean enabled) { 1259 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1260 1261 im->setShowTouches(enabled); 1262 } 1263 1264 static void nativeVibrate(JNIEnv* env, 1265 jclass clazz, jint ptr, jint deviceId, jlongArray patternObj, 1266 jint repeat, jint token) { 1267 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1268 1269 size_t patternSize = env->GetArrayLength(patternObj); 1270 if (patternSize > MAX_VIBRATE_PATTERN_SIZE) { 1271 ALOGI("Skipped requested vibration because the pattern size is %d " 1272 "which is more than the maximum supported size of %d.", 1273 patternSize, MAX_VIBRATE_PATTERN_SIZE); 1274 return; // limit to reasonable size 1275 } 1276 1277 jlong* patternMillis = static_cast<jlong*>(env->GetPrimitiveArrayCritical( 1278 patternObj, NULL)); 1279 nsecs_t pattern[patternSize]; 1280 for (size_t i = 0; i < patternSize; i++) { 1281 pattern[i] = max(jlong(0), min(patternMillis[i], 1282 MAX_VIBRATE_PATTERN_DELAY_NSECS / 1000000LL)) * 1000000LL; 1283 } 1284 env->ReleasePrimitiveArrayCritical(patternObj, patternMillis, JNI_ABORT); 1285 1286 im->getInputManager()->getReader()->vibrate(deviceId, pattern, patternSize, repeat, token); 1287 } 1288 1289 static void nativeCancelVibrate(JNIEnv* env, 1290 jclass clazz, jint ptr, jint deviceId, jint token) { 1291 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1292 1293 im->getInputManager()->getReader()->cancelVibrate(deviceId, token); 1294 } 1295 1296 static void nativeReloadKeyboardLayouts(JNIEnv* env, 1297 jclass clazz, jint ptr) { 1298 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1299 1300 im->getInputManager()->getReader()->requestRefreshConfiguration( 1301 InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUTS); 1302 } 1303 1304 static void nativeReloadDeviceAliases(JNIEnv* env, 1305 jclass clazz, jint ptr) { 1306 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1307 1308 im->getInputManager()->getReader()->requestRefreshConfiguration( 1309 InputReaderConfiguration::CHANGE_DEVICE_ALIAS); 1310 } 1311 1312 static jstring nativeDump(JNIEnv* env, jclass clazz, jint ptr) { 1313 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1314 1315 String8 dump; 1316 im->dump(dump); 1317 return env->NewStringUTF(dump.string()); 1318 } 1319 1320 static void nativeMonitor(JNIEnv* env, jclass clazz, jint ptr) { 1321 NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr); 1322 1323 im->getInputManager()->getReader()->monitor(); 1324 im->getInputManager()->getDispatcher()->monitor(); 1325 } 1326 1327 // ---------------------------------------------------------------------------- 1328 1329 static JNINativeMethod gInputManagerMethods[] = { 1330 /* name, signature, funcPtr */ 1331 { "nativeInit", 1332 "(Lcom/android/server/input/InputManagerService;Landroid/content/Context;Landroid/os/MessageQueue;)I", 1333 (void*) nativeInit }, 1334 { "nativeStart", "(I)V", 1335 (void*) nativeStart }, 1336 { "nativeSetDisplaySize", "(IIIIII)V", 1337 (void*) nativeSetDisplaySize }, 1338 { "nativeSetDisplayOrientation", "(IIII)V", 1339 (void*) nativeSetDisplayOrientation }, 1340 { "nativeGetScanCodeState", "(IIII)I", 1341 (void*) nativeGetScanCodeState }, 1342 { "nativeGetKeyCodeState", "(IIII)I", 1343 (void*) nativeGetKeyCodeState }, 1344 { "nativeGetSwitchState", "(IIII)I", 1345 (void*) nativeGetSwitchState }, 1346 { "nativeHasKeys", "(III[I[Z)Z", 1347 (void*) nativeHasKeys }, 1348 { "nativeRegisterInputChannel", 1349 "(ILandroid/view/InputChannel;Lcom/android/server/input/InputWindowHandle;Z)V", 1350 (void*) nativeRegisterInputChannel }, 1351 { "nativeUnregisterInputChannel", "(ILandroid/view/InputChannel;)V", 1352 (void*) nativeUnregisterInputChannel }, 1353 { "nativeSetInputFilterEnabled", "(IZ)V", 1354 (void*) nativeSetInputFilterEnabled }, 1355 { "nativeInjectInputEvent", "(ILandroid/view/InputEvent;IIIII)I", 1356 (void*) nativeInjectInputEvent }, 1357 { "nativeSetInputWindows", "(I[Lcom/android/server/input/InputWindowHandle;)V", 1358 (void*) nativeSetInputWindows }, 1359 { "nativeSetFocusedApplication", "(ILcom/android/server/input/InputApplicationHandle;)V", 1360 (void*) nativeSetFocusedApplication }, 1361 { "nativeSetInputDispatchMode", "(IZZ)V", 1362 (void*) nativeSetInputDispatchMode }, 1363 { "nativeSetSystemUiVisibility", "(II)V", 1364 (void*) nativeSetSystemUiVisibility }, 1365 { "nativeTransferTouchFocus", "(ILandroid/view/InputChannel;Landroid/view/InputChannel;)Z", 1366 (void*) nativeTransferTouchFocus }, 1367 { "nativeSetPointerSpeed", "(II)V", 1368 (void*) nativeSetPointerSpeed }, 1369 { "nativeSetShowTouches", "(IZ)V", 1370 (void*) nativeSetShowTouches }, 1371 { "nativeVibrate", "(II[JII)V", 1372 (void*) nativeVibrate }, 1373 { "nativeCancelVibrate", "(III)V", 1374 (void*) nativeCancelVibrate }, 1375 { "nativeReloadKeyboardLayouts", "(I)V", 1376 (void*) nativeReloadKeyboardLayouts }, 1377 { "nativeReloadDeviceAliases", "(I)V", 1378 (void*) nativeReloadDeviceAliases }, 1379 { "nativeDump", "(I)Ljava/lang/String;", 1380 (void*) nativeDump }, 1381 { "nativeMonitor", "(I)V", 1382 (void*) nativeMonitor }, 1383 }; 1384 1385 #define FIND_CLASS(var, className) \ 1386 var = env->FindClass(className); \ 1387 LOG_FATAL_IF(! var, "Unable to find class " className); 1388 1389 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 1390 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 1391 LOG_FATAL_IF(! var, "Unable to find method " methodName); 1392 1393 #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \ 1394 var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \ 1395 LOG_FATAL_IF(! var, "Unable to find field " fieldName); 1396 1397 int register_android_server_InputManager(JNIEnv* env) { 1398 int res = jniRegisterNativeMethods(env, "com/android/server/input/InputManagerService", 1399 gInputManagerMethods, NELEM(gInputManagerMethods)); 1400 LOG_FATAL_IF(res < 0, "Unable to register native methods."); 1401 1402 // Callbacks 1403 1404 jclass clazz; 1405 FIND_CLASS(clazz, "com/android/server/input/InputManagerService"); 1406 1407 GET_METHOD_ID(gServiceClassInfo.notifyConfigurationChanged, clazz, 1408 "notifyConfigurationChanged", "(J)V"); 1409 1410 GET_METHOD_ID(gServiceClassInfo.notifyInputDevicesChanged, clazz, 1411 "notifyInputDevicesChanged", "([Landroid/view/InputDevice;)V"); 1412 1413 GET_METHOD_ID(gServiceClassInfo.notifyLidSwitchChanged, clazz, 1414 "notifyLidSwitchChanged", "(JZ)V"); 1415 1416 GET_METHOD_ID(gServiceClassInfo.notifyInputChannelBroken, clazz, 1417 "notifyInputChannelBroken", "(Lcom/android/server/input/InputWindowHandle;)V"); 1418 1419 GET_METHOD_ID(gServiceClassInfo.notifyANR, clazz, 1420 "notifyANR", 1421 "(Lcom/android/server/input/InputApplicationHandle;Lcom/android/server/input/InputWindowHandle;)J"); 1422 1423 GET_METHOD_ID(gServiceClassInfo.filterInputEvent, clazz, 1424 "filterInputEvent", "(Landroid/view/InputEvent;I)Z"); 1425 1426 GET_METHOD_ID(gServiceClassInfo.interceptKeyBeforeQueueing, clazz, 1427 "interceptKeyBeforeQueueing", "(Landroid/view/KeyEvent;IZ)I"); 1428 1429 GET_METHOD_ID(gServiceClassInfo.interceptMotionBeforeQueueingWhenScreenOff, 1430 clazz, 1431 "interceptMotionBeforeQueueingWhenScreenOff", "(I)I"); 1432 1433 GET_METHOD_ID(gServiceClassInfo.interceptKeyBeforeDispatching, clazz, 1434 "interceptKeyBeforeDispatching", 1435 "(Lcom/android/server/input/InputWindowHandle;Landroid/view/KeyEvent;I)J"); 1436 1437 GET_METHOD_ID(gServiceClassInfo.dispatchUnhandledKey, clazz, 1438 "dispatchUnhandledKey", 1439 "(Lcom/android/server/input/InputWindowHandle;Landroid/view/KeyEvent;I)Landroid/view/KeyEvent;"); 1440 1441 GET_METHOD_ID(gServiceClassInfo.checkInjectEventsPermission, clazz, 1442 "checkInjectEventsPermission", "(II)Z"); 1443 1444 GET_METHOD_ID(gServiceClassInfo.getVirtualKeyQuietTimeMillis, clazz, 1445 "getVirtualKeyQuietTimeMillis", "()I"); 1446 1447 GET_METHOD_ID(gServiceClassInfo.getExcludedDeviceNames, clazz, 1448 "getExcludedDeviceNames", "()[Ljava/lang/String;"); 1449 1450 GET_METHOD_ID(gServiceClassInfo.getKeyRepeatTimeout, clazz, 1451 "getKeyRepeatTimeout", "()I"); 1452 1453 GET_METHOD_ID(gServiceClassInfo.getKeyRepeatDelay, clazz, 1454 "getKeyRepeatDelay", "()I"); 1455 1456 GET_METHOD_ID(gServiceClassInfo.getHoverTapTimeout, clazz, 1457 "getHoverTapTimeout", "()I"); 1458 1459 GET_METHOD_ID(gServiceClassInfo.getHoverTapSlop, clazz, 1460 "getHoverTapSlop", "()I"); 1461 1462 GET_METHOD_ID(gServiceClassInfo.getDoubleTapTimeout, clazz, 1463 "getDoubleTapTimeout", "()I"); 1464 1465 GET_METHOD_ID(gServiceClassInfo.getLongPressTimeout, clazz, 1466 "getLongPressTimeout", "()I"); 1467 1468 GET_METHOD_ID(gServiceClassInfo.getPointerLayer, clazz, 1469 "getPointerLayer", "()I"); 1470 1471 GET_METHOD_ID(gServiceClassInfo.getPointerIcon, clazz, 1472 "getPointerIcon", "()Landroid/view/PointerIcon;"); 1473 1474 GET_METHOD_ID(gServiceClassInfo.getKeyboardLayoutOverlay, clazz, 1475 "getKeyboardLayoutOverlay", "(Ljava/lang/String;)[Ljava/lang/String;"); 1476 1477 GET_METHOD_ID(gServiceClassInfo.getDeviceAlias, clazz, 1478 "getDeviceAlias", "(Ljava/lang/String;)Ljava/lang/String;"); 1479 1480 // InputDevice 1481 1482 FIND_CLASS(gInputDeviceClassInfo.clazz, "android/view/InputDevice"); 1483 gInputDeviceClassInfo.clazz = jclass(env->NewGlobalRef(gInputDeviceClassInfo.clazz)); 1484 1485 // KeyEvent 1486 1487 FIND_CLASS(gKeyEventClassInfo.clazz, "android/view/KeyEvent"); 1488 gKeyEventClassInfo.clazz = jclass(env->NewGlobalRef(gKeyEventClassInfo.clazz)); 1489 1490 // MotionEvent 1491 1492 FIND_CLASS(gMotionEventClassInfo.clazz, "android/view/MotionEvent"); 1493 gMotionEventClassInfo.clazz = jclass(env->NewGlobalRef(gMotionEventClassInfo.clazz)); 1494 1495 return 0; 1496 } 1497 1498 } /* namespace android */ 1499