| /* |
| * 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 "JNIHelp.h" |
| #include "android_view_InputChannel.h" |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android/native_activity.h> |
| #include <ui/InputTransport.h> |
| |
| #include <dlfcn.h> |
| |
| namespace android |
| { |
| |
| struct NativeCode { |
| NativeCode(void* _dlhandle, android_activity_create_t* _createFunc) { |
| memset(&activity, sizeof(activity), 0); |
| memset(&callbacks, sizeof(callbacks), 0); |
| dlhandle = _dlhandle; |
| createActivityFunc = _createFunc; |
| surface = NULL; |
| inputChannel = NULL; |
| nativeInputQueue = NULL; |
| } |
| |
| ~NativeCode() { |
| setSurface(NULL); |
| setInputChannel(NULL); |
| if (callbacks.onDestroy != NULL) { |
| callbacks.onDestroy(&activity); |
| } |
| if (dlhandle != NULL) { |
| dlclose(dlhandle); |
| } |
| } |
| |
| void setSurface(jobject _surface) { |
| if (surface != NULL) { |
| activity.env->DeleteGlobalRef(surface); |
| } |
| if (_surface != NULL) { |
| surface = activity.env->NewGlobalRef(_surface); |
| } else { |
| surface = NULL; |
| } |
| } |
| |
| status_t setInputChannel(jobject _channel) { |
| if (inputChannel != NULL) { |
| delete nativeInputQueue; |
| activity.env->DeleteGlobalRef(inputChannel); |
| } |
| inputChannel = NULL; |
| nativeInputQueue = NULL; |
| if (_channel != NULL) { |
| inputChannel = activity.env->NewGlobalRef(_channel); |
| sp<InputChannel> ic = |
| android_view_InputChannel_getInputChannel(activity.env, _channel); |
| if (ic != NULL) { |
| nativeInputQueue = new input_queue_t(ic); |
| if (nativeInputQueue->getConsumer().initialize() != android::OK) { |
| delete nativeInputQueue; |
| nativeInputQueue = NULL; |
| return UNKNOWN_ERROR; |
| } |
| } else { |
| return UNKNOWN_ERROR; |
| } |
| } |
| return OK; |
| } |
| |
| android_activity_t activity; |
| android_activity_callbacks_t callbacks; |
| |
| void* dlhandle; |
| android_activity_create_t* createActivityFunc; |
| |
| jobject surface; |
| jobject inputChannel; |
| struct input_queue_t* nativeInputQueue; |
| }; |
| |
| static jint |
| loadNativeCode_native(JNIEnv* env, jobject clazz, jstring path) |
| { |
| 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, (android_activity_create_t*) |
| dlsym(handle, "android_onCreateActivity")); |
| if (code->createActivityFunc == NULL) { |
| LOGW("android_onCreateActivity not found"); |
| delete code; |
| return 0; |
| } |
| code->activity.callbacks = &code->callbacks; |
| code->activity.env = env; |
| code->activity.clazz = clazz; |
| code->createActivityFunc(&code->activity, NULL, 0); |
| } |
| |
| return (jint)code; |
| } |
| |
| static void |
| unloadNativeCode_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| delete code; |
| } |
| } |
| |
| static void |
| onStart_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onStart != NULL) { |
| code->callbacks.onStart(&code->activity); |
| } |
| } |
| } |
| |
| static void |
| onResume_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onResume != NULL) { |
| code->callbacks.onResume(&code->activity); |
| } |
| } |
| } |
| |
| static void |
| onSaveInstanceState_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onSaveInstanceState != NULL) { |
| size_t len = 0; |
| code->callbacks.onSaveInstanceState(&code->activity, &len); |
| } |
| } |
| } |
| |
| static void |
| onPause_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onPause != NULL) { |
| code->callbacks.onPause(&code->activity); |
| } |
| } |
| } |
| |
| static void |
| onStop_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onStop != NULL) { |
| code->callbacks.onStop(&code->activity); |
| } |
| } |
| } |
| |
| static void |
| onLowMemory_native(JNIEnv* env, jobject clazz, jint handle) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onLowMemory != NULL) { |
| code->callbacks.onLowMemory(&code->activity); |
| } |
| } |
| } |
| |
| static void |
| onWindowFocusChanged_native(JNIEnv* env, jobject clazz, jint handle, jboolean focused) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->callbacks.onWindowFocusChanged != NULL) { |
| code->callbacks.onWindowFocusChanged(&code->activity, focused ? 1 : 0); |
| } |
| } |
| } |
| |
| static void |
| onSurfaceCreated_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| code->setSurface(surface); |
| if (code->callbacks.onSurfaceCreated != NULL) { |
| code->callbacks.onSurfaceCreated(&code->activity, |
| (android_surface_t*)code->surface); |
| } |
| } |
| } |
| |
| static void |
| onSurfaceChanged_native(JNIEnv* env, jobject clazz, jint handle, jobject surface, |
| jint format, jint width, jint height) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->surface != NULL && code->callbacks.onSurfaceChanged != NULL) { |
| code->callbacks.onSurfaceChanged(&code->activity, |
| (android_surface_t*)code->surface, format, width, height); |
| } |
| } |
| } |
| |
| static void |
| onSurfaceDestroyed_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->surface != NULL && code->callbacks.onSurfaceDestroyed != NULL) { |
| code->callbacks.onSurfaceDestroyed(&code->activity, |
| (android_surface_t*)code->surface); |
| } |
| code->setSurface(NULL); |
| } |
| } |
| |
| static void |
| onInputChannelCreated_native(JNIEnv* env, jobject clazz, jint handle, jobject channel) |
| { |
| 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->activity, |
| code->nativeInputQueue); |
| } |
| } |
| } |
| |
| static void |
| onInputChannelDestroyed_native(JNIEnv* env, jobject clazz, jint handle, jobject channel) |
| { |
| if (handle != 0) { |
| NativeCode* code = (NativeCode*)handle; |
| if (code->nativeInputQueue != NULL |
| && code->callbacks.onInputQueueDestroyed != NULL) { |
| code->callbacks.onInputQueueDestroyed(&code->activity, |
| code->nativeInputQueue); |
| } |
| code->setInputChannel(NULL); |
| } |
| } |
| |
| static const JNINativeMethod g_methods[] = { |
| { "loadNativeCode", "(Ljava/lang/String;)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/SurfaceHolder;)V", (void*)onSurfaceCreated_native }, |
| { "onSurfaceChangedNative", "(ILandroid/view/SurfaceHolder;III)V", (void*)onSurfaceChanged_native }, |
| { "onSurfaceDestroyedNative", "(ILandroid/view/SurfaceHolder;)V", (void*)onSurfaceDestroyed_native }, |
| { "onInputChannelCreatedNative", "(ILandroid/view/InputChannel;)V", (void*)onInputChannelCreated_native }, |
| { "onInputChannelDestroyedNative", "(ILandroid/view/InputChannel;)V", (void*)onInputChannelDestroyed_native }, |
| }; |
| |
| static const char* const kNativeActivityPathName = "android/app/NativeActivity"; |
| |
| int register_android_app_NativeActivity(JNIEnv* env) |
| { |
| //LOGD("register_android_app_NativeActivity"); |
| |
| jclass clazz; |
| |
| clazz = env->FindClass(kNativeActivityPathName); |
| LOG_FATAL_IF(clazz == NULL, "Unable to find class android.app.NativeActivity"); |
| |
| return AndroidRuntime::registerNativeMethods( |
| env, kNativeActivityPathName, |
| g_methods, NELEM(g_methods)); |
| } |
| |
| } // namespace android |
