Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 "InputEventReceiver" |
| 18 | |
| 19 | //#define LOG_NDEBUG 0 |
| 20 | |
| 21 | // Log debug messages about the dispatch cycle. |
| 22 | #define DEBUG_DISPATCH_CYCLE 0 |
| 23 | |
| 24 | |
| 25 | #include "JNIHelp.h" |
| 26 | |
| 27 | #include <android_runtime/AndroidRuntime.h> |
| 28 | #include <utils/Log.h> |
| 29 | #include <utils/Looper.h> |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 30 | #include <utils/threads.h> |
Mathias Agopian | b93a03f8 | 2012-02-17 15:34:57 -0800 | [diff] [blame] | 31 | #include <androidfw/InputTransport.h> |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 32 | #include "android_os_MessageQueue.h" |
| 33 | #include "android_view_InputChannel.h" |
| 34 | #include "android_view_KeyEvent.h" |
| 35 | #include "android_view_MotionEvent.h" |
| 36 | |
| 37 | namespace android { |
| 38 | |
| 39 | static struct { |
| 40 | jclass clazz; |
| 41 | |
| 42 | jmethodID dispatchInputEvent; |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 43 | jmethodID dispatchBatchedInputEventPending; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 44 | } gInputEventReceiverClassInfo; |
| 45 | |
| 46 | |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 47 | class NativeInputEventReceiver : public LooperCallback { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 48 | public: |
| 49 | NativeInputEventReceiver(JNIEnv* env, |
| 50 | jobject receiverObj, const sp<InputChannel>& inputChannel, |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 51 | const sp<MessageQueue>& messageQueue); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 52 | |
| 53 | status_t initialize(); |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 54 | void dispose(); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 55 | status_t finishInputEvent(uint32_t seq, bool handled); |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 56 | status_t consumeEvents(JNIEnv* env, bool consumeBatches, nsecs_t frameTime); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 57 | |
| 58 | protected: |
| 59 | virtual ~NativeInputEventReceiver(); |
| 60 | |
| 61 | private: |
| 62 | jobject mReceiverObjGlobal; |
| 63 | InputConsumer mInputConsumer; |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 64 | sp<MessageQueue> mMessageQueue; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 65 | PreallocatedInputEventFactory mInputEventFactory; |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 66 | bool mBatchedInputEventPending; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 67 | |
| 68 | const char* getInputChannelName() { |
| 69 | return mInputConsumer.getChannel()->getName().string(); |
| 70 | } |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 71 | |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 72 | virtual int handleEvent(int receiveFd, int events, void* data); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | |
| 76 | NativeInputEventReceiver::NativeInputEventReceiver(JNIEnv* env, |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 77 | jobject receiverObj, const sp<InputChannel>& inputChannel, |
| 78 | const sp<MessageQueue>& messageQueue) : |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 79 | mReceiverObjGlobal(env->NewGlobalRef(receiverObj)), |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 80 | mInputConsumer(inputChannel), mMessageQueue(messageQueue), |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 81 | mBatchedInputEventPending(false) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 82 | #if DEBUG_DISPATCH_CYCLE |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame] | 83 | ALOGD("channel '%s' ~ Initializing input event receiver.", getInputChannelName()); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 84 | #endif |
| 85 | } |
| 86 | |
| 87 | NativeInputEventReceiver::~NativeInputEventReceiver() { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 88 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 89 | env->DeleteGlobalRef(mReceiverObjGlobal); |
| 90 | } |
| 91 | |
| 92 | status_t NativeInputEventReceiver::initialize() { |
Jeff Brown | 91e3289 | 2012-02-14 15:56:29 -0800 | [diff] [blame] | 93 | int receiveFd = mInputConsumer.getChannel()->getFd(); |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 94 | mMessageQueue->getLooper()->addFd(receiveFd, 0, ALOOPER_EVENT_INPUT, this, NULL); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 95 | return OK; |
| 96 | } |
| 97 | |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 98 | void NativeInputEventReceiver::dispose() { |
| 99 | #if DEBUG_DISPATCH_CYCLE |
| 100 | ALOGD("channel '%s' ~ Disposing input event receiver.", getInputChannelName()); |
| 101 | #endif |
| 102 | |
| 103 | mMessageQueue->getLooper()->removeFd(mInputConsumer.getChannel()->getFd()); |
| 104 | } |
| 105 | |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 106 | status_t NativeInputEventReceiver::finishInputEvent(uint32_t seq, bool handled) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 107 | #if DEBUG_DISPATCH_CYCLE |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 108 | ALOGD("channel '%s' ~ Finished input event.", getInputChannelName()); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 109 | #endif |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 110 | |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 111 | status_t status = mInputConsumer.sendFinishedSignal(seq, handled); |
| 112 | if (status) { |
| 113 | ALOGW("Failed to send finished signal on channel '%s'. status=%d", |
| 114 | getInputChannelName(), status); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 115 | } |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 116 | return status; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 117 | } |
| 118 | |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 119 | int NativeInputEventReceiver::handleEvent(int receiveFd, int events, void* data) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 120 | if (events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP)) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 121 | ALOGE("channel '%s' ~ Publisher closed input channel or an error occurred. " |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 122 | "events=0x%x", getInputChannelName(), events); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 123 | return 0; // remove the callback |
| 124 | } |
| 125 | |
| 126 | if (!(events & ALOOPER_EVENT_INPUT)) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 127 | ALOGW("channel '%s' ~ Received spurious callback for unhandled poll event. " |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 128 | "events=0x%x", getInputChannelName(), events); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 129 | return 1; |
| 130 | } |
| 131 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 132 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 133 | status_t status = consumeEvents(env, false /*consumeBatches*/, -1); |
| 134 | mMessageQueue->raiseAndClearException(env, "handleReceiveCallback"); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 135 | return status == OK || status == NO_MEMORY ? 1 : 0; |
| 136 | } |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 137 | |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 138 | status_t NativeInputEventReceiver::consumeEvents(JNIEnv* env, |
| 139 | bool consumeBatches, nsecs_t frameTime) { |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 140 | #if DEBUG_DISPATCH_CYCLE |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 141 | ALOGD("channel '%s' ~ Consuming input events, consumeBatches=%s, frameTime=%lld.", |
| 142 | getInputChannelName(), consumeBatches ? "true" : "false", frameTime); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 143 | #endif |
| 144 | |
| 145 | if (consumeBatches) { |
| 146 | mBatchedInputEventPending = false; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 147 | } |
| 148 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 149 | bool skipCallbacks = false; |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 150 | for (;;) { |
| 151 | uint32_t seq; |
| 152 | InputEvent* inputEvent; |
| 153 | status_t status = mInputConsumer.consume(&mInputEventFactory, |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 154 | consumeBatches, frameTime, &seq, &inputEvent); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 155 | if (status) { |
| 156 | if (status == WOULD_BLOCK) { |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 157 | if (!skipCallbacks && !mBatchedInputEventPending |
| 158 | && mInputConsumer.hasPendingBatch()) { |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 159 | // There is a pending batch. Come back later. |
| 160 | mBatchedInputEventPending = true; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 161 | #if DEBUG_DISPATCH_CYCLE |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 162 | ALOGD("channel '%s' ~ Dispatching batched input event pending notification.", |
| 163 | getInputChannelName()); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 164 | #endif |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 165 | env->CallVoidMethod(mReceiverObjGlobal, |
| 166 | gInputEventReceiverClassInfo.dispatchBatchedInputEventPending); |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 167 | if (env->ExceptionCheck()) { |
| 168 | ALOGE("Exception dispatching batched input events."); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 169 | mBatchedInputEventPending = false; // try again later |
| 170 | } |
| 171 | } |
| 172 | return OK; |
| 173 | } |
| 174 | ALOGE("channel '%s' ~ Failed to consume input event. status=%d", |
| 175 | getInputChannelName(), status); |
| 176 | return status; |
| 177 | } |
| 178 | assert(inputEvent); |
| 179 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 180 | if (!skipCallbacks) { |
| 181 | jobject inputEventObj; |
| 182 | switch (inputEvent->getType()) { |
| 183 | case AINPUT_EVENT_TYPE_KEY: |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 184 | #if DEBUG_DISPATCH_CYCLE |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 185 | ALOGD("channel '%s' ~ Received key event.", getInputChannelName()); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 186 | #endif |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 187 | inputEventObj = android_view_KeyEvent_fromNative(env, |
| 188 | static_cast<KeyEvent*>(inputEvent)); |
| 189 | break; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 190 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 191 | case AINPUT_EVENT_TYPE_MOTION: |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 192 | #if DEBUG_DISPATCH_CYCLE |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 193 | ALOGD("channel '%s' ~ Received motion event.", getInputChannelName()); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 194 | #endif |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 195 | inputEventObj = android_view_MotionEvent_obtainAsCopy(env, |
| 196 | static_cast<MotionEvent*>(inputEvent)); |
| 197 | break; |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 198 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 199 | default: |
| 200 | assert(false); // InputConsumer should prevent this from ever happening |
| 201 | inputEventObj = NULL; |
| 202 | } |
| 203 | |
| 204 | if (inputEventObj) { |
| 205 | #if DEBUG_DISPATCH_CYCLE |
| 206 | ALOGD("channel '%s' ~ Dispatching input event.", getInputChannelName()); |
| 207 | #endif |
| 208 | env->CallVoidMethod(mReceiverObjGlobal, |
| 209 | gInputEventReceiverClassInfo.dispatchInputEvent, seq, inputEventObj); |
| 210 | if (env->ExceptionCheck()) { |
| 211 | ALOGE("Exception dispatching input event."); |
| 212 | skipCallbacks = true; |
| 213 | } |
| 214 | } else { |
| 215 | ALOGW("channel '%s' ~ Failed to obtain event object.", getInputChannelName()); |
| 216 | skipCallbacks = true; |
| 217 | } |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 218 | } |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 219 | |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 220 | if (skipCallbacks) { |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 221 | mInputConsumer.sendFinishedSignal(seq, false); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 222 | } |
| 223 | } |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | |
| 227 | static jint nativeInit(JNIEnv* env, jclass clazz, jobject receiverObj, |
| 228 | jobject inputChannelObj, jobject messageQueueObj) { |
| 229 | sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env, |
| 230 | inputChannelObj); |
| 231 | if (inputChannel == NULL) { |
| 232 | jniThrowRuntimeException(env, "InputChannel is not initialized."); |
| 233 | return 0; |
| 234 | } |
| 235 | |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 236 | sp<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj); |
| 237 | if (messageQueue == NULL) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 238 | jniThrowRuntimeException(env, "MessageQueue is not initialized."); |
| 239 | return 0; |
| 240 | } |
| 241 | |
| 242 | sp<NativeInputEventReceiver> receiver = new NativeInputEventReceiver(env, |
Jeff Brown | 603b445 | 2012-04-06 17:39:41 -0700 | [diff] [blame] | 243 | receiverObj, inputChannel, messageQueue); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 244 | status_t status = receiver->initialize(); |
| 245 | if (status) { |
| 246 | String8 message; |
| 247 | message.appendFormat("Failed to initialize input event receiver. status=%d", status); |
| 248 | jniThrowRuntimeException(env, message.string()); |
| 249 | return 0; |
| 250 | } |
| 251 | |
| 252 | receiver->incStrong(gInputEventReceiverClassInfo.clazz); // retain a reference for the object |
| 253 | return reinterpret_cast<jint>(receiver.get()); |
| 254 | } |
| 255 | |
| 256 | static void nativeDispose(JNIEnv* env, jclass clazz, jint receiverPtr) { |
| 257 | sp<NativeInputEventReceiver> receiver = |
| 258 | reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); |
Jeff Brown | 80a1de1 | 2012-05-31 16:23:11 -0700 | [diff] [blame] | 259 | receiver->dispose(); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 260 | receiver->decStrong(gInputEventReceiverClassInfo.clazz); // drop reference held by the object |
| 261 | } |
| 262 | |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 263 | static void nativeFinishInputEvent(JNIEnv* env, jclass clazz, jint receiverPtr, |
| 264 | jint seq, jboolean handled) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 265 | sp<NativeInputEventReceiver> receiver = |
| 266 | reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 267 | status_t status = receiver->finishInputEvent(seq, handled); |
Jeff Brown | 9806a23 | 2012-02-17 10:28:09 -0800 | [diff] [blame] | 268 | if (status && status != DEAD_OBJECT) { |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 269 | String8 message; |
| 270 | message.appendFormat("Failed to finish input event. status=%d", status); |
| 271 | jniThrowRuntimeException(env, message.string()); |
| 272 | } |
| 273 | } |
| 274 | |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 275 | static void nativeConsumeBatchedInputEvents(JNIEnv* env, jclass clazz, jint receiverPtr, |
| 276 | jlong frameTimeNanos) { |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 277 | sp<NativeInputEventReceiver> receiver = |
| 278 | reinterpret_cast<NativeInputEventReceiver*>(receiverPtr); |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 279 | status_t status = receiver->consumeEvents(env, true /*consumeBatches*/, frameTimeNanos); |
Jeff Brown | 3bdcdd8 | 2012-04-10 20:36:07 -0700 | [diff] [blame] | 280 | if (status && status != DEAD_OBJECT && !env->ExceptionCheck()) { |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 281 | String8 message; |
| 282 | message.appendFormat("Failed to consume batched input event. status=%d", status); |
| 283 | jniThrowRuntimeException(env, message.string()); |
| 284 | } |
| 285 | } |
| 286 | |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 287 | |
| 288 | static JNINativeMethod gMethods[] = { |
| 289 | /* name, signature, funcPtr */ |
| 290 | { "nativeInit", |
| 291 | "(Landroid/view/InputEventReceiver;Landroid/view/InputChannel;Landroid/os/MessageQueue;)I", |
| 292 | (void*)nativeInit }, |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 293 | { "nativeDispose", "(I)V", |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 294 | (void*)nativeDispose }, |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 295 | { "nativeFinishInputEvent", "(IIZ)V", |
| 296 | (void*)nativeFinishInputEvent }, |
Jeff Brown | 771526c | 2012-04-27 15:13:25 -0700 | [diff] [blame] | 297 | { "nativeConsumeBatchedInputEvents", "(IJ)V", |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 298 | (void*)nativeConsumeBatchedInputEvents }, |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 299 | }; |
| 300 | |
| 301 | #define FIND_CLASS(var, className) \ |
| 302 | var = env->FindClass(className); \ |
| 303 | LOG_FATAL_IF(! var, "Unable to find class " className); \ |
| 304 | var = jclass(env->NewGlobalRef(var)); |
| 305 | |
| 306 | #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ |
| 307 | var = env->GetMethodID(clazz, methodName, methodDescriptor); \ |
| 308 | LOG_FATAL_IF(! var, "Unable to find method " methodName); |
| 309 | |
| 310 | int register_android_view_InputEventReceiver(JNIEnv* env) { |
| 311 | int res = jniRegisterNativeMethods(env, "android/view/InputEventReceiver", |
| 312 | gMethods, NELEM(gMethods)); |
| 313 | LOG_FATAL_IF(res < 0, "Unable to register native methods."); |
| 314 | |
| 315 | FIND_CLASS(gInputEventReceiverClassInfo.clazz, "android/view/InputEventReceiver"); |
| 316 | |
| 317 | GET_METHOD_ID(gInputEventReceiverClassInfo.dispatchInputEvent, |
| 318 | gInputEventReceiverClassInfo.clazz, |
Jeff Brown | 072ec96 | 2012-02-07 14:46:57 -0800 | [diff] [blame] | 319 | "dispatchInputEvent", "(ILandroid/view/InputEvent;)V"); |
| 320 | GET_METHOD_ID(gInputEventReceiverClassInfo.dispatchBatchedInputEventPending, |
| 321 | gInputEventReceiverClassInfo.clazz, |
| 322 | "dispatchBatchedInputEventPending", "()V"); |
Jeff Brown | 32cbc3855 | 2011-12-01 14:01:49 -0800 | [diff] [blame] | 323 | return 0; |
| 324 | } |
| 325 | |
| 326 | } // namespace android |