| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "NativeActivity" |
| #include <utils/Log.h> |
| |
| #include <poll.h> |
| #include <dlfcn.h> |
| #include <fcntl.h> |
| |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android_runtime/android_view_Surface.h> |
| #include <android_runtime/android_app_NativeActivity.h> |
| #include <android_runtime/android_util_AssetManager.h> |
| #include <surfaceflinger/Surface.h> |
| #include <ui/egl/android_natives.h> |
| #include <ui/InputTransport.h> |
| #include <utils/PollLoop.h> |
| |
| #include "JNIHelp.h" |
| #include "android_os_MessageQueue.h" |
| #include "android_view_InputChannel.h" |
| #include "android_view_KeyEvent.h" |
| |
| //#define LOG_TRACE(...) |
| #define LOG_TRACE(...) LOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) |
| |
| namespace android |
| { |
| |
| static struct { |
| jclass clazz; |
| |
| jmethodID dispatchUnhandledKeyEvent; |
| jmethodID setWindowFlags; |
| jmethodID setWindowFormat; |
| jmethodID showIme; |
| jmethodID hideIme; |
| } gNativeActivityClassInfo; |
| |
| // ------------------------------------------------------------------------ |
| |
| struct ActivityWork { |
| int32_t cmd; |
| int32_t arg1; |
| int32_t arg2; |
| }; |
| |
| enum { |
| CMD_DEF_KEY = 1, |
| CMD_SET_WINDOW_FORMAT, |
| CMD_SET_WINDOW_FLAGS, |
| CMD_SHOW_SOFT_INPUT, |
| CMD_HIDE_SOFT_INPUT, |
| }; |
| |
| static void write_work(int fd, int32_t cmd, int32_t arg1=0, int32_t arg2=0) { |
| ActivityWork work; |
| work.cmd = cmd; |
| work.arg1 = arg1; |
| work.arg2 = arg2; |
| |
| LOG_TRACE("write_work: cmd=%d", cmd); |
| |
| restart: |
| int res = write(fd, &work, sizeof(work)); |
| if (res < 0 && errno == EINTR) { |
| goto restart; |
| } |
| |
| if (res == sizeof(work)) return; |
| |
| if (res < 0) LOGW("Failed writing to work fd: %s", strerror(errno)); |
| else LOGW("Truncated writing to work fd: %d", res); |
| } |
| |
| static bool read_work(int fd, ActivityWork* outWork) { |
| int res = read(fd, outWork, sizeof(ActivityWork)); |
| // no need to worry about EINTR, poll loop will just come back again. |
| if (res == sizeof(ActivityWork)) return true; |
| |
| if (res < 0) LOGW("Failed reading work fd: %s", strerror(errno)); |
| else LOGW("Truncated reading work fd: %d", res); |
| return false; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| } // namespace android |
| |
| using namespace android; |
| |
| AInputQueue::AInputQueue(const sp<InputChannel>& channel, int workWrite) : |
| mWorkWrite(workWrite), mConsumer(channel) { |
| int msgpipe[2]; |
| if (pipe(msgpipe)) { |
| LOGW("could not create pipe: %s", strerror(errno)); |
| mDispatchKeyRead = mDispatchKeyWrite = -1; |
| } else { |
| mDispatchKeyRead = msgpipe[0]; |
| mDispatchKeyWrite = msgpipe[1]; |
| int result = fcntl(mDispatchKeyRead, F_SETFL, O_NONBLOCK); |
| SLOGW_IF(result != 0, "Could not make AInputQueue read pipe " |
| "non-blocking: %s", strerror(errno)); |
| result = fcntl(mDispatchKeyWrite, F_SETFL, O_NONBLOCK); |
| SLOGW_IF(result != 0, "Could not make AInputQueue write pipe " |
| "non-blocking: %s", strerror(errno)); |
| } |
| } |
| |
| AInputQueue::~AInputQueue() { |
| close(mDispatchKeyRead); |
| close(mDispatchKeyWrite); |
| } |
| |
| void AInputQueue::attachLooper(ALooper* looper, ALooper_callbackFunc* callback, void* data) { |
| mPollLoop = static_cast<android::PollLoop*>(looper); |
| mPollLoop->setLooperCallback(mConsumer.getChannel()->getReceivePipeFd(), |
| POLLIN, callback, data); |
| mPollLoop->setLooperCallback(mDispatchKeyRead, |
| POLLIN, callback, data); |
| } |
| |
| void AInputQueue::detachLooper() { |
| mPollLoop->removeCallback(mConsumer.getChannel()->getReceivePipeFd()); |
| mPollLoop->removeCallback(mDispatchKeyRead); |
| } |
| |
| int32_t AInputQueue::hasEvents() { |
| struct pollfd pfd[2]; |
| |
| pfd[0].fd = mConsumer.getChannel()->getReceivePipeFd(); |
| pfd[0].events = POLLIN; |
| pfd[0].revents = 0; |
| pfd[1].fd = mDispatchKeyRead; |
| pfd[0].events = POLLIN; |
| pfd[0].revents = 0; |
| |
| int nfd = poll(pfd, 2, 0); |
| if (nfd <= 0) return 0; |
| return (pfd[0].revents == POLLIN || pfd[1].revents == POLLIN) ? 1 : -1; |
| } |
| |
| int32_t AInputQueue::getEvent(AInputEvent** outEvent) { |
| *outEvent = NULL; |
| |
| char byteread; |
| ssize_t nRead = read(mDispatchKeyRead, &byteread, 1); |
| if (nRead == 1) { |
| mLock.lock(); |
| if (mDispatchingKeys.size() > 0) { |
| KeyEvent* kevent = mDispatchingKeys[0]; |
| *outEvent = kevent; |
| mDispatchingKeys.removeAt(0); |
| mDeliveringKeys.add(kevent); |
| } |
| mLock.unlock(); |
| if (*outEvent != NULL) { |
| return 0; |
| } |
| } |
| |
| int32_t res = mConsumer.receiveDispatchSignal(); |
| if (res != android::OK) { |
| LOGE("channel '%s' ~ Failed to receive dispatch signal. status=%d", |
| mConsumer.getChannel()->getName().string(), res); |
| return -1; |
| } |
| |
| InputEvent* myEvent = NULL; |
| res = mConsumer.consume(&mInputEventFactory, &myEvent); |
| if (res != android::OK) { |
| LOGW("channel '%s' ~ Failed to consume input event. status=%d", |
| mConsumer.getChannel()->getName().string(), res); |
| mConsumer.sendFinishedSignal(); |
| return -1; |
| } |
| |
| *outEvent = myEvent; |
| return 0; |
| } |
| |
| void AInputQueue::finishEvent(AInputEvent* event, bool handled) { |
| bool needFinished = true; |
| |
| if (!handled && ((InputEvent*)event)->getType() == AINPUT_EVENT_TYPE_KEY |
| && ((KeyEvent*)event)->hasDefaultAction()) { |
| // The app didn't handle this, but it may have a default action |
| // associated with it. We need to hand this back to Java to be |
| // executed. |
| doDefaultKey((KeyEvent*)event); |
| needFinished = false; |
| } |
| |
| const size_t N = mDeliveringKeys.size(); |
| for (size_t i=0; i<N; i++) { |
| if (mDeliveringKeys[i] == event) { |
| delete event; |
| mDeliveringKeys.removeAt(i); |
| needFinished = false; |
| break; |
| } |
| } |
| |
| if (needFinished) { |
| int32_t res = mConsumer.sendFinishedSignal(); |
| if (res != android::OK) { |
| LOGW("Failed to send finished signal on channel '%s'. status=%d", |
| mConsumer.getChannel()->getName().string(), res); |
| } |
| } |
| } |
| |
| void AInputQueue::dispatchEvent(android::KeyEvent* event) { |
| mLock.lock(); |
| LOG_TRACE("dispatchEvent: dispatching=%d write=%d\n", mDispatchingKeys.size(), |
| mDispatchKeyWrite); |
| mDispatchingKeys.add(event); |
| mLock.unlock(); |
| |
| restart: |
| char dummy = 0; |
| int res = write(mDispatchKeyWrite, &dummy, sizeof(dummy)); |
| if (res < 0 && errno == EINTR) { |
| goto restart; |
| } |
| |
| if (res == sizeof(dummy)) return; |
| |
| if (res < 0) LOGW("Failed writing to dispatch fd: %s", strerror(errno)); |
| else LOGW("Truncated writing to dispatch fd: %d", res); |
| } |
| |
| KeyEvent* AInputQueue::consumeUnhandledEvent() { |
| KeyEvent* event = NULL; |
| |
| mLock.lock(); |
| if (mPendingKeys.size() > 0) { |
| event = mPendingKeys[0]; |
| mPendingKeys.removeAt(0); |
| } |
| mLock.unlock(); |
| |
| LOG_TRACE("consumeUnhandledEvent: KeyEvent=%p", event); |
| |
| return event; |
| } |
| |
| void AInputQueue::doDefaultKey(KeyEvent* keyEvent) { |
| mLock.lock(); |
| LOG_TRACE("Default key: pending=%d write=%d\n", mPendingKeys.size(), mWorkWrite); |
| if (mPendingKeys.size() <= 0 && mWorkWrite >= 0) { |
| write_work(mWorkWrite, CMD_DEF_KEY); |
| } |
| mPendingKeys.add(keyEvent); |
| mLock.unlock(); |
| } |
| |
| namespace android { |
| |
| // ------------------------------------------------------------------------ |
| |
| /* |
| * Native state for interacting with the NativeActivity class. |
| */ |
| struct NativeCode : public ANativeActivity { |
| NativeCode(void* _dlhandle, ANativeActivity_createFunc* _createFunc) { |
| memset((ANativeActivity*)this, 0, sizeof(ANativeActivity)); |
| memset(&callbacks, 0, sizeof(callbacks)); |
| dlhandle = _dlhandle; |
| createActivityFunc = _createFunc; |
| nativeWindow = NULL; |
| inputChannel = NULL; |
| nativeInputQueue = NULL; |
| mainWorkRead = mainWorkWrite = -1; |
| } |
| |
| ~NativeCode() { |
| if (callbacks.onDestroy != NULL) { |
| callbacks.onDestroy(this); |
| } |
| if (env != NULL && clazz != NULL) { |
| env->DeleteGlobalRef(clazz); |
| } |
| if (pollLoop != NULL && mainWorkRead >= 0) { |
| pollLoop->removeCallback(mainWorkRead); |
| } |
| if (nativeInputQueue != NULL) { |
| nativeInputQueue->mWorkWrite = -1; |
| } |
| setSurface(NULL); |
| setInputChannel(NULL); |
| if (mainWorkRead >= 0) close(mainWorkRead); |
| if (mainWorkWrite >= 0) close(mainWorkWrite); |
| if (dlhandle != NULL) { |
| // for now don't unload... we probably should clean this |
| // up and only keep one open dlhandle per proc, since there |
| // is really no benefit to unloading the code. |
| //dlclose(dlhandle); |
| } |
| } |
| |
| void setSurface(jobject _surface) { |
| if (_surface != NULL) { |
| nativeWindow = android_Surface_getNativeWindow(env, _surface); |
| } else { |
| nativeWindow = NULL; |
| } |
| } |
| |
| status_t setInputChannel(jobject _channel) { |
| if (inputChannel != NULL) { |
| delete nativeInputQueue; |
| env->DeleteGlobalRef(inputChannel); |
| } |
| inputChannel = NULL; |
| nativeInputQueue = NULL; |
| if (_channel != NULL) { |
| inputChannel = env->NewGlobalRef(_channel); |
| sp<InputChannel> ic = |
| android_view_InputChannel_getInputChannel(env, _channel); |
| if (ic != NULL) { |
| nativeInputQueue = new AInputQueue(ic, mainWorkWrite); |
| if (nativeInputQueue->getConsumer().initialize() != android::OK) { |
| delete nativeInputQueue; |
| nativeInputQueue = NULL; |
| return UNKNOWN_ERROR; |
| } |
| } else { |
| return UNKNOWN_ERROR; |
| } |
| } |
| return OK; |
| } |
| |
| ANativeActivityCallbacks callbacks; |
| |
| void* dlhandle; |
| ANativeActivity_createFunc* createActivityFunc; |
| |
| String8 internalDataPath; |
| String8 externalDataPath; |
| |
| sp<ANativeWindow> nativeWindow; |
| int32_t lastWindowWidth; |
| int32_t lastWindowHeight; |
| |
| jobject inputChannel; |
| struct AInputQueue* nativeInputQueue; |
| |
| // These are used to wake up the main thread to process work. |
| int mainWorkRead; |
| int mainWorkWrite; |
| sp<PollLoop> pollLoop; |
| }; |
| |
| void android_NativeActivity_setWindowFormat( |
| ANativeActivity* activity, int32_t format) { |
| NativeCode* code = static_cast<NativeCode*>(activity); |
| write_work(code->mainWorkWrite, CMD_SET_WINDOW_FORMAT, format); |
| } |
| |
| void android_NativeActivity_setWindowFlags( |
| ANativeActivity* activity, int32_t values, int32_t mask) { |
| NativeCode* code = static_cast<NativeCode*>(activity); |
| write_work(code->mainWorkWrite, CMD_SET_WINDOW_FLAGS, values, mask); |
| } |
| |
| void android_NativeActivity_showSoftInput( |
| ANativeActivity* activity, int32_t flags) { |
| NativeCode* code = static_cast<NativeCode*>(activity); |
| write_work(code->mainWorkWrite, CMD_SHOW_SOFT_INPUT, flags); |
| } |
| |
| void android_NativeActivity_hideSoftInput( |
| ANativeActivity* activity, int32_t flags) { |
| NativeCode* code = static_cast<NativeCode*>(activity); |
| write_work(code->mainWorkWrite, CMD_HIDE_SOFT_INPUT, flags); |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| /* |
| * Callback for handling native events on the application's main thread. |
| */ |
| static bool mainWorkCallback(int fd, int events, void* data) { |
| NativeCode* code = (NativeCode*)data; |
| if ((events & POLLIN) == 0) { |
| return true; |
| } |
| |
| ActivityWork work; |
| if (!read_work(code->mainWorkRead, &work)) { |
| return true; |
| } |
| |
| LOG_TRACE("mainWorkCallback: cmd=%d", work.cmd); |
| |
| switch (work.cmd) { |
| case CMD_DEF_KEY: { |
| KeyEvent* keyEvent; |
| while ((keyEvent=code->nativeInputQueue->consumeUnhandledEvent()) != NULL) { |
| jobject inputEventObj = android_view_KeyEvent_fromNative( |
| code->env, keyEvent); |
| code->env->CallVoidMethod(code->clazz, |
| gNativeActivityClassInfo.dispatchUnhandledKeyEvent, inputEventObj); |
| int32_t res = code->nativeInputQueue->getConsumer().sendFinishedSignal(); |
| if (res != OK) { |
| LOGW("Failed to send finished signal on channel '%s'. status=%d", |
| code->nativeInputQueue->getConsumer().getChannel()->getName().string(), res); |
| } |
| } |
| } break; |
| case CMD_SET_WINDOW_FORMAT: { |
| code->env->CallVoidMethod(code->clazz, |
| gNativeActivityClassInfo.setWindowFormat, work.arg1); |
| } break; |
| case CMD_SET_WINDOW_FLAGS: { |
| code->env->CallVoidMethod(code->clazz, |
| gNativeActivityClassInfo.setWindowFlags, work.arg1, work.arg2); |
| } break; |
| case CMD_SHOW_SOFT_INPUT: { |
| code->env->CallVoidMethod(code->clazz, |
| gNativeActivityClassInfo.showIme, work.arg1); |
| } break; |
| case CMD_HIDE_SOFT_INPUT: { |
| code->env->CallVoidMethod(code->clazz, |
| gNativeActivityClassInfo.hideIme, work.arg1); |
| } break; |
| default: |
| LOGW("Unknown work command: %d", work.cmd); |
| break; |
| } |
| |
| return true; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| static jint |
| loadNativeCode_native(JNIEnv* env, jobject clazz, jstring path, jobject messageQueue, |
| jstring internalDataDir, jstring externalDataDir, int sdkVersion, |
| jobject jAssetMgr) |
| { |
| LOG_TRACE("loadNativeCode_native"); |
| |
| const char* pathStr = env->GetStringUTFChars(path, NULL); |
| NativeCode* code = NULL; |
| |
| void* handle = dlopen(pathStr, RTLD_LAZY); |
| |
| env->ReleaseStringUTFChars(path, pathStr); |
| |
| if (handle != NULL) { |
| code = new NativeCode(handle, (ANativeActivity_createFunc*) |
| dlsym(handle, "ANativeActivity_onCreate")); |
| if (code->createActivityFunc == NULL) { |
| LOGW("ANativeActivity_onCreate not found"); |
| delete code; |
| return 0; |
| } |
| |
| code->pollLoop = android_os_MessageQueue_getPollLoop(env, messageQueue); |
| if (code->pollLoop == NULL) { |
| LOGW("Unable to retrieve MessageQueue's PollLoop"); |
| delete code; |
| return 0; |
| } |
| |
| int msgpipe[2]; |
| if (pipe(msgpipe)) { |
| LOGW("could not create pipe: %s", strerror(errno)); |
| delete code; |
| return 0; |
| } |
| code->mainWorkRead = msgpipe[0]; |
| code->mainWorkWrite = msgpipe[1]; |
| int result = fcntl(code->mainWorkRead, F_SETFL, O_NONBLOCK); |
| SLOGW_IF(result != 0, "Could not make main work read pipe " |
| "non-blocking: %s", strerror(errno)); |
| result = fcntl(code->mainWorkWrite, F_SETFL, O_NONBLOCK); |
| SLOGW_IF(result != 0, "Could not make main work write pipe " |
| "non-blocking: %s", strerror(errno)); |
| code->pollLoop->setCallback(code->mainWorkRead, POLLIN, mainWorkCallback, code); |
| |
| code->ANativeActivity::callbacks = &code->callbacks; |
| if (env->GetJavaVM(&code->vm) < 0) { |
| LOGW("NativeActivity GetJavaVM failed"); |
| delete code; |
| return 0; |
| } |
| code->env = env; |
| code->clazz = env->NewGlobalRef(clazz); |
| |
| const char* dirStr = env->GetStringUTFChars(internalDataDir, NULL); |
| code->internalDataPath = dirStr; |
| code->internalDataPath = code->internalDataPath.string(); |
| env->ReleaseStringUTFChars(path, dirStr); |
| |
| dirStr = env->GetStringUTFChars(externalDataDir, NULL); |
| code->externalDataPath = dirStr; |
| code->externalDataPath = code->externalDataPath.string(); |
| env->ReleaseStringUTFChars(path, dirStr); |
| |
| code->sdkVersion = sdkVersion; |
| |
| code->assetManager = assetManagerForJavaObject(env, jAssetMgr); |
| |
| code->createActivityFunc(code, NULL, 0); |
| } |
| |
| return (jint)code; |
| } |
| |
| static void |
| unloadNativeCode_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("unloadNativeCode_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| delete code; |
| } |
| } |
| |
| static void |
| onStart_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onStart_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onStart != NULL) { |
| code->callbacks.onStart(code); |
| } |
| } |
| } |
| |
| static void |
| onResume_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onResume_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onResume != NULL) { |
| code->callbacks.onResume(code); |
| } |
| } |
| } |
| |
| static void |
| onSaveInstanceState_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onSaveInstanceState_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onSaveInstanceState != NULL) { |
| size_t len = 0; |
| code->callbacks.onSaveInstanceState(code, &len); |
| } |
| } |
| } |
| |
| static void |
| onPause_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onPause_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onPause != NULL) { |
| code->callbacks.onPause(code); |
| } |
| } |
| } |
| |
| static void |
| onStop_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onStop_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onStop != NULL) { |
| code->callbacks.onStop(code); |
| } |
| } |
| } |
| |
| static void |
| onLowMemory_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onLowMemory_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onLowMemory != NULL) { |
| code->callbacks.onLowMemory(code); |
| } |
| } |
| } |
| |
| static void |
| onWindowFocusChanged_native(JNIEnv* env, jobject clazz, jint handle, jboolean focused) |
| { |
| LOG_TRACE("onWindowFocusChanged_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onWindowFocusChanged != NULL) { |
| code->callbacks.onWindowFocusChanged(code, focused ? 1 : 0); |
| } |
| } |
| } |
| |
| static void |
| onSurfaceCreated_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) |
| { |
| LOG_TRACE("onSurfaceCreated_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| code->setSurface(surface); |
| if (code->nativeWindow != NULL && code->callbacks.onNativeWindowCreated != NULL) { |
| code->callbacks.onNativeWindowCreated(code, |
| code->nativeWindow.get()); |
| } |
| } |
| } |
| |
| static int32_t getWindowProp(ANativeWindow* window, int what) { |
| int value; |
| int res = window->query(window, what, &value); |
| return res < 0 ? res : value; |
| } |
| |
| static void |
| onSurfaceChanged_native(JNIEnv* env, jobject clazz, jint handle, jobject surface, |
| jint format, jint width, jint height) |
| { |
| LOG_TRACE("onSurfaceChanged_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| sp<ANativeWindow> oldNativeWindow = code->nativeWindow; |
| code->setSurface(surface); |
| if (oldNativeWindow != code->nativeWindow) { |
| if (oldNativeWindow != NULL && code->callbacks.onNativeWindowDestroyed != NULL) { |
| code->callbacks.onNativeWindowDestroyed(code, |
| oldNativeWindow.get()); |
| } |
| if (code->nativeWindow != NULL) { |
| if (code->callbacks.onNativeWindowCreated != NULL) { |
| code->callbacks.onNativeWindowCreated(code, |
| code->nativeWindow.get()); |
| } |
| code->lastWindowWidth = getWindowProp(code->nativeWindow.get(), |
| NATIVE_WINDOW_WIDTH); |
| code->lastWindowHeight = getWindowProp(code->nativeWindow.get(), |
| NATIVE_WINDOW_HEIGHT); |
| } |
| } else { |
| // Maybe it resized? |
| int32_t newWidth = getWindowProp(code->nativeWindow.get(), |
| NATIVE_WINDOW_WIDTH); |
| int32_t newHeight = getWindowProp(code->nativeWindow.get(), |
| NATIVE_WINDOW_HEIGHT); |
| if (newWidth != code->lastWindowWidth |
| || newHeight != code->lastWindowHeight) { |
| if (code->callbacks.onNativeWindowResized != NULL) { |
| code->callbacks.onNativeWindowResized(code, |
| code->nativeWindow.get()); |
| } |
| } |
| } |
| } |
| } |
| |
| static void |
| onSurfaceRedrawNeeded_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| LOG_TRACE("onSurfaceRedrawNeeded_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->nativeWindow != NULL && code->callbacks.onNativeWindowRedrawNeeded != NULL) { |
| code->callbacks.onNativeWindowRedrawNeeded(code, code->nativeWindow.get()); |
| } |
| } |
| } |
| |
| static void |
| onSurfaceDestroyed_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) |
| { |
| LOG_TRACE("onSurfaceDestroyed_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->nativeWindow != NULL && code->callbacks.onNativeWindowDestroyed != NULL) { |
| code->callbacks.onNativeWindowDestroyed(code, |
| code->nativeWindow.get()); |
| } |
| code->setSurface(NULL); |
| } |
| } |
| |
| static void |
| onInputChannelCreated_native(JNIEnv* env, jobject clazz, jint handle, jobject channel) |
| { |
| LOG_TRACE("onInputChannelCreated_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| status_t err = code->setInputChannel(channel); |
| if (err != OK) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Error setting input channel"); |
| return; |
| } |
| if (code->callbacks.onInputQueueCreated != NULL) { |
| code->callbacks.onInputQueueCreated(code, |
| code->nativeInputQueue); |
| } |
| } |
| } |
| |
| static void |
| onInputChannelDestroyed_native(JNIEnv* env, jobject clazz, jint handle, jobject channel) |
| { |
| LOG_TRACE("onInputChannelDestroyed_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->nativeInputQueue != NULL |
| && code->callbacks.onInputQueueDestroyed != NULL) { |
| code->callbacks.onInputQueueDestroyed(code, |
| code->nativeInputQueue); |
| } |
| code->setInputChannel(NULL); |
| } |
| } |
| |
| static void |
| onContentRectChanged_native(JNIEnv* env, jobject clazz, jint handle, |
| jint x, jint y, jint w, jint h) |
| { |
| LOG_TRACE("onContentRectChanged_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onContentRectChanged != NULL) { |
| ARect rect; |
| rect.left = x; |
| rect.top = y; |
| rect.right = x+w; |
| rect.bottom = y+h; |
| code->callbacks.onContentRectChanged(code, &rect); |
| } |
| } |
| } |
| |
| static void |
| dispatchKeyEvent_native(JNIEnv* env, jobject clazz, jint handle, jobject eventObj) |
| { |
| LOG_TRACE("dispatchKeyEvent_native"); |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->nativeInputQueue != NULL) { |
| KeyEvent* event = new KeyEvent(); |
| android_view_KeyEvent_toNative(env, eventObj, event); |
| code->nativeInputQueue->dispatchEvent(event); |
| } |
| } |
| } |
| |
| static const JNINativeMethod g_methods[] = { |
| { "loadNativeCode", "(Ljava/lang/String;Landroid/os/MessageQueue;Ljava/lang/String;Ljava/lang/String;ILandroid/content/res/AssetManager;)I", |
| (void*)loadNativeCode_native }, |
| { "unloadNativeCode", "(I)V", (void*)unloadNativeCode_native }, |
| { "onStartNative", "(I)V", (void*)onStart_native }, |
| { "onResumeNative", "(I)V", (void*)onResume_native }, |
| { "onSaveInstanceStateNative", "(I)V", (void*)onSaveInstanceState_native }, |
| { "onPauseNative", "(I)V", (void*)onPause_native }, |
| { "onStopNative", "(I)V", (void*)onStop_native }, |
| { "onLowMemoryNative", "(I)V", (void*)onLowMemory_native }, |
| { "onWindowFocusChangedNative", "(IZ)V", (void*)onWindowFocusChanged_native }, |
| { "onSurfaceCreatedNative", "(ILandroid/view/Surface;)V", (void*)onSurfaceCreated_native }, |
| { "onSurfaceChangedNative", "(ILandroid/view/Surface;III)V", (void*)onSurfaceChanged_native }, |
| { "onSurfaceRedrawNeededNative", "(ILandroid/view/Surface;)V", (void*)onSurfaceRedrawNeeded_native }, |
| { "onSurfaceDestroyedNative", "(I)V", (void*)onSurfaceDestroyed_native }, |
| { "onInputChannelCreatedNative", "(ILandroid/view/InputChannel;)V", (void*)onInputChannelCreated_native }, |
| { "onInputChannelDestroyedNative", "(ILandroid/view/InputChannel;)V", (void*)onInputChannelDestroyed_native }, |
| { "onContentRectChangedNative", "(IIIII)V", (void*)onContentRectChanged_native }, |
| { "dispatchKeyEventNative", "(ILandroid/view/KeyEvent;)V", (void*)dispatchKeyEvent_native }, |
| }; |
| |
| static const char* const kNativeActivityPathName = "android/app/NativeActivity"; |
| |
| #define FIND_CLASS(var, className) \ |
| var = env->FindClass(className); \ |
| LOG_FATAL_IF(! var, "Unable to find class " className); \ |
| var = jclass(env->NewGlobalRef(var)); |
| |
| #define GET_METHOD_ID(var, clazz, methodName, fieldDescriptor) \ |
| var = env->GetMethodID(clazz, methodName, fieldDescriptor); \ |
| LOG_FATAL_IF(! var, "Unable to find method" methodName); |
| |
| int register_android_app_NativeActivity(JNIEnv* env) |
| { |
| //LOGD("register_android_app_NativeActivity"); |
| |
| FIND_CLASS(gNativeActivityClassInfo.clazz, kNativeActivityPathName); |
| |
| GET_METHOD_ID(gNativeActivityClassInfo.dispatchUnhandledKeyEvent, |
| gNativeActivityClassInfo.clazz, |
| "dispatchUnhandledKeyEvent", "(Landroid/view/KeyEvent;)V"); |
| |
| GET_METHOD_ID(gNativeActivityClassInfo.setWindowFlags, |
| gNativeActivityClassInfo.clazz, |
| "setWindowFlags", "(II)V"); |
| GET_METHOD_ID(gNativeActivityClassInfo.setWindowFormat, |
| gNativeActivityClassInfo.clazz, |
| "setWindowFormat", "(I)V"); |
| GET_METHOD_ID(gNativeActivityClassInfo.showIme, |
| gNativeActivityClassInfo.clazz, |
| "showIme", "(I)V"); |
| GET_METHOD_ID(gNativeActivityClassInfo.hideIme, |
| gNativeActivityClassInfo.clazz, |
| "hideIme", "(I)V"); |
| |
| return AndroidRuntime::registerNativeMethods( |
| env, kNativeActivityPathName, |
| g_methods, NELEM(g_methods)); |
| } |
| |
| } // namespace android |
