1 /* 2 * Copyright (C) 2012 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 "SurfaceSession" 18 19 #include "JNIHelp.h" 20 21 #include <android_runtime/AndroidRuntime.h> 22 #include <android_runtime/android_view_SurfaceSession.h> 23 #include <utils/Log.h> 24 #include <utils/RefBase.h> 25 26 #include <gui/SurfaceComposerClient.h> 27 28 namespace android { 29 30 static struct { 31 jfieldID mNativeClient; 32 } gSurfaceSessionClassInfo; 33 34 35 sp<SurfaceComposerClient> android_view_SurfaceSession_getClient( 36 JNIEnv* env, jobject surfaceSessionObj) { 37 return reinterpret_cast<SurfaceComposerClient*>( 38 env->GetIntField(surfaceSessionObj, gSurfaceSessionClassInfo.mNativeClient)); 39 } 40 41 42 static jint nativeCreate(JNIEnv* env, jclass clazz) { 43 SurfaceComposerClient* client = new SurfaceComposerClient(); 44 client->incStrong((void*)nativeCreate); 45 return reinterpret_cast<jint>(client); 46 } 47 48 static void nativeDestroy(JNIEnv* env, jclass clazz, jint ptr) { 49 SurfaceComposerClient* client = reinterpret_cast<SurfaceComposerClient*>(ptr); 50 client->decStrong((void*)nativeCreate); 51 } 52 53 static void nativeKill(JNIEnv* env, jclass clazz, jint ptr) { 54 SurfaceComposerClient* client = reinterpret_cast<SurfaceComposerClient*>(ptr); 55 client->dispose(); 56 } 57 58 59 static JNINativeMethod gMethods[] = { 60 /* name, signature, funcPtr */ 61 { "nativeCreate", "()I", 62 (void*)nativeCreate }, 63 { "nativeDestroy", "(I)V", 64 (void*)nativeDestroy }, 65 { "nativeKill", "(I)V", 66 (void*)nativeKill } 67 }; 68 69 int register_android_view_SurfaceSession(JNIEnv* env) { 70 int res = jniRegisterNativeMethods(env, "android/view/SurfaceSession", 71 gMethods, NELEM(gMethods)); 72 LOG_ALWAYS_FATAL_IF(res < 0, "Unable to register native methods."); 73 74 jclass clazz = env->FindClass("android/view/SurfaceSession"); 75 gSurfaceSessionClassInfo.mNativeClient = env->GetFieldID(clazz, "mNativeClient", "I"); 76 return 0; 77 } 78 79 } // namespace android 80
