android_view_InputEventReceiver.cpp revision 603b44589682db3ff33ade172facb0c5e309f1be
132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown/* 232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * Copyright (C) 2011 The Android Open Source Project 332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * 432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * you may not use this file except in compliance with the License. 632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * You may obtain a copy of the License at 732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * 832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * http://www.apache.org/licenses/LICENSE-2.0 932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * 1032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * Unless required by applicable law or agreed to in writing, software 1132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 1232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * See the License for the specific language governing permissions and 1432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown * limitations under the License. 1532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown */ 1632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 1732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#define LOG_TAG "InputEventReceiver" 1832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 1932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown//#define LOG_NDEBUG 0 2032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 2132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown// Log debug messages about the dispatch cycle. 2232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#define DEBUG_DISPATCH_CYCLE 0 2332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 2432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 2532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include "JNIHelp.h" 2632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 2732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include <android_runtime/AndroidRuntime.h> 2832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include <utils/Log.h> 2932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include <utils/Looper.h> 3032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include <utils/threads.h> 31b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/InputTransport.h> 3232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include "android_os_MessageQueue.h" 3332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include "android_view_InputChannel.h" 3432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include "android_view_KeyEvent.h" 3532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#include "android_view_MotionEvent.h" 3632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 3732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownnamespace android { 3832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 3932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownstatic struct { 4032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jclass clazz; 4132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 4232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jmethodID dispatchInputEvent; 43072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown jmethodID dispatchBatchedInputEventPending; 4432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} gInputEventReceiverClassInfo; 4532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 4632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 4732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownclass NativeInputEventReceiver : public RefBase { 4832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownpublic: 4932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown NativeInputEventReceiver(JNIEnv* env, 5032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jobject receiverObj, const sp<InputChannel>& inputChannel, 51603b44589682db3ff33ade172facb0c5e309f1beJeff Brown const sp<MessageQueue>& messageQueue); 5232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 5332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown status_t initialize(); 54072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t finishInputEvent(uint32_t seq, bool handled); 55072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t consumeEvents(bool consumeBatches); 5632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown static int handleReceiveCallback(int receiveFd, int events, void* data); 5732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 5832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownprotected: 5932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown virtual ~NativeInputEventReceiver(); 6032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 6132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownprivate: 6232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jobject mReceiverObjGlobal; 6332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown InputConsumer mInputConsumer; 64603b44589682db3ff33ade172facb0c5e309f1beJeff Brown sp<MessageQueue> mMessageQueue; 6532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown PreallocatedInputEventFactory mInputEventFactory; 66072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown bool mBatchedInputEventPending; 6732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 6832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown const char* getInputChannelName() { 6932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return mInputConsumer.getChannel()->getName().string(); 7032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 7132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown}; 7232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 7332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 7432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff BrownNativeInputEventReceiver::NativeInputEventReceiver(JNIEnv* env, 75603b44589682db3ff33ade172facb0c5e309f1beJeff Brown jobject receiverObj, const sp<InputChannel>& inputChannel, 76603b44589682db3ff33ade172facb0c5e309f1beJeff Brown const sp<MessageQueue>& messageQueue) : 7732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown mReceiverObjGlobal(env->NewGlobalRef(receiverObj)), 78603b44589682db3ff33ade172facb0c5e309f1beJeff Brown mInputConsumer(inputChannel), mMessageQueue(messageQueue), 79072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatchedInputEventPending(false) { 8032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 815baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("channel '%s' ~ Initializing input event receiver.", getInputChannelName()); 8232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 8332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 8432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 8532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff BrownNativeInputEventReceiver::~NativeInputEventReceiver() { 8632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 875baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("channel '%s' ~ Disposing input event receiver.", getInputChannelName()); 8832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 8932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 90603b44589682db3ff33ade172facb0c5e309f1beJeff Brown mMessageQueue->getLooper()->removeFd(mInputConsumer.getChannel()->getFd()); 9132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 9232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown JNIEnv* env = AndroidRuntime::getJNIEnv(); 9332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown env->DeleteGlobalRef(mReceiverObjGlobal); 9432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 9532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 9632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownstatus_t NativeInputEventReceiver::initialize() { 9791e328984c0d1e0f95b3d37f779d9d4fa9bfe8f8Jeff Brown int receiveFd = mInputConsumer.getChannel()->getFd(); 98603b44589682db3ff33ade172facb0c5e309f1beJeff Brown mMessageQueue->getLooper()->addFd( 99603b44589682db3ff33ade172facb0c5e309f1beJeff Brown receiveFd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this); 10032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return OK; 10132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 10232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 103072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatus_t NativeInputEventReceiver::finishInputEvent(uint32_t seq, bool handled) { 10432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 105072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Finished input event.", getInputChannelName()); 10632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 10732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 108072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t status = mInputConsumer.sendFinishedSignal(seq, handled); 109072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (status) { 110072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGW("Failed to send finished signal on channel '%s'. status=%d", 111072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown getInputChannelName(), status); 11232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 113072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return status; 11432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 11532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 11632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownint NativeInputEventReceiver::handleReceiveCallback(int receiveFd, int events, void* data) { 11732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown sp<NativeInputEventReceiver> r = static_cast<NativeInputEventReceiver*>(data); 11832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 11932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown if (events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP)) { 1203762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("channel '%s' ~ Publisher closed input channel or an error occurred. " 12132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown "events=0x%x", r->getInputChannelName(), events); 12232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 0; // remove the callback 12332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 12432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 12532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown if (!(events & ALOOPER_EVENT_INPUT)) { 1268564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("channel '%s' ~ Received spurious callback for unhandled poll event. " 12732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown "events=0x%x", r->getInputChannelName(), events); 12832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 1; 12932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 13032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 131072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t status = r->consumeEvents(false /*consumeBatches*/); 132072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return status == OK || status == NO_MEMORY ? 1 : 0; 133072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 13432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 135072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatus_t NativeInputEventReceiver::consumeEvents(bool consumeBatches) { 136072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_DISPATCH_CYCLE 137072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Consuming input events, consumeBatches=%s.", getInputChannelName(), 138072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown consumeBatches ? "true" : "false"); 139072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 140072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 141072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (consumeBatches) { 142072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatchedInputEventPending = false; 14332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 14432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 14532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown JNIEnv* env = AndroidRuntime::getJNIEnv(); 146072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown for (;;) { 147072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq; 148072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown InputEvent* inputEvent; 149072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t status = mInputConsumer.consume(&mInputEventFactory, 150072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown consumeBatches, &seq, &inputEvent); 151072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (status) { 152072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (status == WOULD_BLOCK) { 153072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (mInputConsumer.hasPendingBatch() && !mBatchedInputEventPending) { 154072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // There is a pending batch. Come back later. 155072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatchedInputEventPending = true; 15632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 157072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Dispatching batched input event pending notification.", 158072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown getInputChannelName()); 15932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 160072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown env->CallVoidMethod(mReceiverObjGlobal, 161072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown gInputEventReceiverClassInfo.dispatchBatchedInputEventPending); 162603b44589682db3ff33ade172facb0c5e309f1beJeff Brown if (mMessageQueue->raiseAndClearException( 163603b44589682db3ff33ade172facb0c5e309f1beJeff Brown env, "dispatchBatchedInputEventPending")) { 164072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatchedInputEventPending = false; // try again later 165072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 166072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 167072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return OK; 168072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 169072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGE("channel '%s' ~ Failed to consume input event. status=%d", 170072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown getInputChannelName(), status); 171072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return status; 172072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 173072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown assert(inputEvent); 17432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 175072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown jobject inputEventObj; 176072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown switch (inputEvent->getType()) { 177072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown case AINPUT_EVENT_TYPE_KEY: 17832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 179072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Received key event.", getInputChannelName()); 18032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 181072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown inputEventObj = android_view_KeyEvent_fromNative(env, 182072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown static_cast<KeyEvent*>(inputEvent)); 183603b44589682db3ff33ade172facb0c5e309f1beJeff Brown mMessageQueue->raiseAndClearException(env, "new KeyEvent"); 184072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 18532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 186072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown case AINPUT_EVENT_TYPE_MOTION: 187072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_DISPATCH_CYCLE 188072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Received motion event.", getInputChannelName()); 189072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 190072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown inputEventObj = android_view_MotionEvent_obtainAsCopy(env, 191072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown static_cast<MotionEvent*>(inputEvent)); 192603b44589682db3ff33ade172facb0c5e309f1beJeff Brown mMessageQueue->raiseAndClearException(env, "new MotionEvent"); 193072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 19432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 195072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown default: 196072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown assert(false); // InputConsumer should prevent this from ever happening 197072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown inputEventObj = NULL; 198072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 19932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 200072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (!inputEventObj) { 201072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGW("channel '%s' ~ Failed to obtain event object.", getInputChannelName()); 202072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mInputConsumer.sendFinishedSignal(seq, false); 203603b44589682db3ff33ade172facb0c5e309f1beJeff Brown continue; 204072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 20532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 20632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#if DEBUG_DISPATCH_CYCLE 207072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' ~ Dispatching input event.", getInputChannelName()); 20832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#endif 209072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown env->CallVoidMethod(mReceiverObjGlobal, 210072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown gInputEventReceiverClassInfo.dispatchInputEvent, seq, inputEventObj); 21132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 212072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown env->DeleteLocalRef(inputEventObj); 21332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 214603b44589682db3ff33ade172facb0c5e309f1beJeff Brown if (mMessageQueue->raiseAndClearException(env, "dispatchInputEvent")) { 215072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mInputConsumer.sendFinishedSignal(seq, false); 21632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 21732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 21832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 21932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 22032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 22132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownstatic jint nativeInit(JNIEnv* env, jclass clazz, jobject receiverObj, 22232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jobject inputChannelObj, jobject messageQueueObj) { 22332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, 22432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown inputChannelObj); 22532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown if (inputChannel == NULL) { 22632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jniThrowRuntimeException(env, "InputChannel is not initialized."); 22732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 0; 22832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 22932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 230603b44589682db3ff33ade172facb0c5e309f1beJeff Brown sp<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj); 231603b44589682db3ff33ade172facb0c5e309f1beJeff Brown if (messageQueue == NULL) { 23232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jniThrowRuntimeException(env, "MessageQueue is not initialized."); 23332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 0; 23432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 23532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 23632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown sp<NativeInputEventReceiver> receiver = new NativeInputEventReceiver(env, 237603b44589682db3ff33ade172facb0c5e309f1beJeff Brown receiverObj, inputChannel, messageQueue); 23832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown status_t status = receiver->initialize(); 23932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown if (status) { 24032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown String8 message; 24132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown message.appendFormat("Failed to initialize input event receiver. status=%d", status); 24232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jniThrowRuntimeException(env, message.string()); 24332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 0; 24432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 24532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 24632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown receiver->incStrong(gInputEventReceiverClassInfo.clazz); // retain a reference for the object 24732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return reinterpret_cast<jint>(receiver.get()); 24832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 24932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 25032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownstatic void nativeDispose(JNIEnv* env, jclass clazz, jint receiverPtr) { 25132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown sp<NativeInputEventReceiver> receiver = 25232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); 25332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown receiver->decStrong(gInputEventReceiverClassInfo.clazz); // drop reference held by the object 25432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 25532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 256072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatic void nativeFinishInputEvent(JNIEnv* env, jclass clazz, jint receiverPtr, 257072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown jint seq, jboolean handled) { 25832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown sp<NativeInputEventReceiver> receiver = 25932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); 260072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t status = receiver->finishInputEvent(seq, handled); 2619806a2307f3e47e847ad5e62e302eab36d3eb3e4Jeff Brown if (status && status != DEAD_OBJECT) { 26232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown String8 message; 26332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown message.appendFormat("Failed to finish input event. status=%d", status); 26432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown jniThrowRuntimeException(env, message.string()); 26532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown } 26632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 26732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 268072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatic void nativeConsumeBatchedInputEvents(JNIEnv* env, jclass clazz, jint receiverPtr) { 269072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown sp<NativeInputEventReceiver> receiver = 270072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); 271072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t status = receiver->consumeEvents(true /*consumeBatches*/); 272b503f1eea1b2ab699e3325450a08f3f62aa0c403Jeff Brown if (status && status != DEAD_OBJECT) { 273072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown String8 message; 274072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown message.appendFormat("Failed to consume batched input event. status=%d", status); 275072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown jniThrowRuntimeException(env, message.string()); 276072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 277072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 278072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 27932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 28032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownstatic JNINativeMethod gMethods[] = { 28132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown /* name, signature, funcPtr */ 28232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown { "nativeInit", 28332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown "(Landroid/view/InputEventReceiver;Landroid/view/InputChannel;Landroid/os/MessageQueue;)I", 28432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown (void*)nativeInit }, 285072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown { "nativeDispose", "(I)V", 28632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown (void*)nativeDispose }, 287072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown { "nativeFinishInputEvent", "(IIZ)V", 288072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown (void*)nativeFinishInputEvent }, 289072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown { "nativeConsumeBatchedInputEvents", "(I)V", 290072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown (void*)nativeConsumeBatchedInputEvents }, 29132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown}; 29232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 29332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#define FIND_CLASS(var, className) \ 29432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown var = env->FindClass(className); \ 29532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown LOG_FATAL_IF(! var, "Unable to find class " className); \ 29632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown var = jclass(env->NewGlobalRef(var)); 29732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 29832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 29932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 30032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown LOG_FATAL_IF(! var, "Unable to find method " methodName); 30132cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 30232cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brownint register_android_view_InputEventReceiver(JNIEnv* env) { 30332cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown int res = jniRegisterNativeMethods(env, "android/view/InputEventReceiver", 30432cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown gMethods, NELEM(gMethods)); 30532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown LOG_FATAL_IF(res < 0, "Unable to register native methods."); 30632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 30732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown FIND_CLASS(gInputEventReceiverClassInfo.clazz, "android/view/InputEventReceiver"); 30832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 30932cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown GET_METHOD_ID(gInputEventReceiverClassInfo.dispatchInputEvent, 31032cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown gInputEventReceiverClassInfo.clazz, 311072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown "dispatchInputEvent", "(ILandroid/view/InputEvent;)V"); 312072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown GET_METHOD_ID(gInputEventReceiverClassInfo.dispatchBatchedInputEventPending, 313072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown gInputEventReceiverClassInfo.clazz, 314072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown "dispatchBatchedInputEventPending", "()V"); 31532cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown return 0; 31632cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} 31732cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown 31832cbc3855c2a971aa5a801fd339fb6a37db91a1aJeff Brown} // namespace android 319