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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/android/scoped_java_surface.h"
#include "base/logging.h"
#include "jni/Surface_jni.h"
#include "ui/gl/android/surface_texture.h"
namespace {
bool g_jni_initialized = false;
void RegisterNativesIfNeeded(JNIEnv* env) {
if (!g_jni_initialized) {
JNI_Surface::RegisterNativesImpl(env);
g_jni_initialized = true;
}
}
} // anonymous namespace
namespace gfx {
ScopedJavaSurface::ScopedJavaSurface() {
}
ScopedJavaSurface::ScopedJavaSurface(
const base::android::JavaRef<jobject>& surface)
: auto_release_(true),
is_protected_(false) {
JNIEnv* env = base::android::AttachCurrentThread();
RegisterNativesIfNeeded(env);
DCHECK(env->IsInstanceOf(surface.obj(), Surface_clazz(env)));
j_surface_.Reset(surface);
}
ScopedJavaSurface::ScopedJavaSurface(
const SurfaceTexture* surface_texture)
: auto_release_(true),
is_protected_(false) {
JNIEnv* env = base::android::AttachCurrentThread();
RegisterNativesIfNeeded(env);
ScopedJavaLocalRef<jobject> tmp(JNI_Surface::Java_Surface_Constructor(
env, surface_texture->j_surface_texture().obj()));
DCHECK(!tmp.is_null());
j_surface_.Reset(tmp);
}
ScopedJavaSurface::ScopedJavaSurface(ScopedJavaSurface&& rvalue) {
MoveFrom(rvalue);
}
ScopedJavaSurface& ScopedJavaSurface::operator=(ScopedJavaSurface&& rhs) {
MoveFrom(rhs);
return *this;
}
ScopedJavaSurface::~ScopedJavaSurface() {
if (auto_release_ && !j_surface_.is_null()) {
JNIEnv* env = base::android::AttachCurrentThread();
JNI_Surface::Java_Surface_release(env, j_surface_.obj());
}
}
void ScopedJavaSurface::MoveFrom(ScopedJavaSurface& other) {
JNIEnv* env = base::android::AttachCurrentThread();
j_surface_.Reset(env, other.j_surface_.Release());
auto_release_ = other.auto_release_;
is_protected_ = other.is_protected_;
}
bool ScopedJavaSurface::IsEmpty() const {
return j_surface_.is_null();
}
// static
ScopedJavaSurface ScopedJavaSurface::AcquireExternalSurface(jobject surface) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> surface_ref;
surface_ref.Reset(env, surface);
gfx::ScopedJavaSurface scoped_surface(surface_ref);
scoped_surface.auto_release_ = false;
scoped_surface.is_protected_ = true;
return scoped_surface;
}
} // namespace gfx
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