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