| /* |
| * Copyright (C) 2011 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 "ParcelSurfaceTexture" |
| |
| #include <gui/SurfaceTextureClient.h> |
| |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android_runtime/android_graphics_SurfaceTexture.h> |
| |
| #include <utils/Log.h> |
| |
| #include <binder/Parcel.h> |
| |
| #include "android_util_Binder.h" |
| #include "jni.h" |
| #include "JNIHelp.h" |
| |
| // ---------------------------------------------------------------------------- |
| |
| namespace android { |
| |
| const char* const kParcelSurfaceTextureClassPathName = |
| "android/graphics/ParcelSurfaceTexture"; |
| |
| struct fields_t { |
| jfieldID iSurfaceTexture; |
| }; |
| static fields_t fields; |
| |
| #define ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID "mISurfaceTexture" |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void ParcelSurfaceTexture_setISurfaceTexture( |
| JNIEnv* env, jobject thiz, const sp<ISurfaceTexture>& iSurfaceTexture) |
| { |
| ISurfaceTexture* const p = |
| (ISurfaceTexture*)env->GetIntField(thiz, fields.iSurfaceTexture); |
| if (iSurfaceTexture.get()) { |
| iSurfaceTexture->incStrong(thiz); |
| } |
| if (p) { |
| p->decStrong(thiz); |
| } |
| env->SetIntField(thiz, fields.iSurfaceTexture, (int)iSurfaceTexture.get()); |
| } |
| |
| sp<ISurfaceTexture> ParcelSurfaceTexture_getISurfaceTexture( |
| JNIEnv* env, jobject thiz) |
| { |
| sp<ISurfaceTexture> iSurfaceTexture( |
| (ISurfaceTexture*)env->GetIntField(thiz, fields.iSurfaceTexture)); |
| return iSurfaceTexture; |
| } |
| |
| sp<ANativeWindow> android_ParcelSurfaceTexture_getNativeWindow( |
| JNIEnv* env, jobject thiz) |
| { |
| sp<ISurfaceTexture> iSurfaceTexture( |
| ParcelSurfaceTexture_getISurfaceTexture(env, thiz)); |
| sp<SurfaceTextureClient> surfaceTextureClient(iSurfaceTexture != NULL ? |
| new SurfaceTextureClient(iSurfaceTexture) : NULL); |
| return surfaceTextureClient; |
| } |
| |
| bool android_ParcelSurfaceTexture_isInstanceOf(JNIEnv* env, jobject thiz) |
| { |
| jclass parcelSurfaceTextureClass = env->FindClass( |
| kParcelSurfaceTextureClassPathName); |
| return env->IsInstanceOf(thiz, parcelSurfaceTextureClass); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void ParcelSurfaceTexture_classInit(JNIEnv* env, jclass clazz) |
| { |
| fields.iSurfaceTexture = |
| env->GetFieldID(clazz, ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID, "I"); |
| if (fields.iSurfaceTexture == NULL) { |
| LOGE("can't find android/graphics/ParcelSurfaceTexture.%s", |
| ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID); |
| } |
| } |
| |
| static void ParcelSurfaceTexture_init(JNIEnv* env, jobject thiz, jobject jSurfaceTexture) |
| { |
| sp<ISurfaceTexture> iSurfaceTexture( |
| SurfaceTexture_getSurfaceTexture(env, jSurfaceTexture)); |
| ParcelSurfaceTexture_setISurfaceTexture(env, thiz, iSurfaceTexture); |
| } |
| |
| static void ParcelSurfaceTexture_finalize(JNIEnv* env, jobject thiz) |
| { |
| ParcelSurfaceTexture_setISurfaceTexture(env, thiz, 0); |
| } |
| |
| static void ParcelSurfaceTexture_writeToParcel( |
| JNIEnv* env, jobject thiz, jobject jParcel, jint flags) |
| { |
| Parcel* parcel = parcelForJavaObject(env, jParcel); |
| sp<ISurfaceTexture> iSurfaceTexture( |
| ParcelSurfaceTexture_getISurfaceTexture(env, thiz)); |
| sp<IBinder> b(iSurfaceTexture->asBinder()); |
| parcel->writeStrongBinder(b); |
| } |
| |
| static void ParcelSurfaceTexture_readFromParcel( |
| JNIEnv* env, jobject thiz, jobject jParcel) |
| { |
| Parcel* parcel = parcelForJavaObject(env, jParcel); |
| sp<ISurfaceTexture> iSurfaceTexture( |
| interface_cast<ISurfaceTexture>(parcel->readStrongBinder())); |
| ParcelSurfaceTexture_setISurfaceTexture(env, thiz, iSurfaceTexture); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static JNINativeMethod gParcelSurfaceTextureMethods[] = { |
| {"nativeClassInit", "()V", (void*)ParcelSurfaceTexture_classInit }, |
| {"nativeInit", "(Landroid/graphics/SurfaceTexture;)V", |
| (void *)ParcelSurfaceTexture_init }, |
| { "nativeFinalize", "()V", (void *)ParcelSurfaceTexture_finalize }, |
| { "nativeWriteToParcel", "(Landroid/os/Parcel;I)V", |
| (void *)ParcelSurfaceTexture_writeToParcel }, |
| { "nativeReadFromParcel", "(Landroid/os/Parcel;)V", |
| (void *)ParcelSurfaceTexture_readFromParcel }, |
| }; |
| |
| |
| int register_android_graphics_ParcelSurfaceTexture(JNIEnv* env) |
| { |
| int err = 0; |
| err = AndroidRuntime::registerNativeMethods(env, kParcelSurfaceTextureClassPathName, |
| gParcelSurfaceTextureMethods, NELEM(gParcelSurfaceTextureMethods)); |
| return err; |
| } |
| |
| } // namespace android |