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/*
* 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
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