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// Copyright 2013 The Chromium Authors
// 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 <utility>
#include "base/check.h"
#include "ui/gl/android/surface_texture.h"
#include "ui/gl/surface_jni_headers/Surface_jni.h"
using base::android::ScopedJavaLocalRef;
namespace gl {
ScopedJavaSurface::ScopedJavaSurface() = default;
ScopedJavaSurface::ScopedJavaSurface(std::nullptr_t) {}
ScopedJavaSurface::ScopedJavaSurface(
const base::android::JavaRef<jobject>& surface,
bool auto_release)
: auto_release_(auto_release), j_surface_(surface) {
JNIEnv* env = jni_zero::AttachCurrentThread();
DCHECK(env->IsInstanceOf(surface.obj(), android_view_Surface_clazz(env)));
}
ScopedJavaSurface::ScopedJavaSurface(const SurfaceTexture* surface_texture) {
JNIEnv* env = jni_zero::AttachCurrentThread();
ScopedJavaLocalRef<jobject> tmp(
JNI_Surface::Java_Surface_Constructor__android_graphics_SurfaceTexture(
env, surface_texture->j_surface_texture()));
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() {
ReleaseSurfaceIfNeeded();
}
ScopedJavaSurface ScopedJavaSurface::CopyRetainOwnership() const {
return ScopedJavaSurface(j_surface_, /*auto_release=*/false);
}
void ScopedJavaSurface::ReleaseSurfaceIfNeeded() {
if (auto_release_ && !j_surface_.is_null()) {
JNIEnv* env = jni_zero::AttachCurrentThread();
JNI_Surface::Java_Surface_release(env, j_surface_);
}
}
void ScopedJavaSurface::MoveFrom(ScopedJavaSurface& other) {
if (this == &other) {
return;
}
ReleaseSurfaceIfNeeded();
j_surface_ = std::move(other.j_surface_);
auto_release_ = other.auto_release_;
}
bool ScopedJavaSurface::IsEmpty() const {
return j_surface_.is_null();
}
bool ScopedJavaSurface::IsValid() const {
JNIEnv* env = jni_zero::AttachCurrentThread();
return !IsEmpty() && JNI_Surface::Java_Surface_isValid(env, j_surface_);
}
} // namespace gl