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// Copyright 2022 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_a_native_window.h"
#include <android/native_window_jni.h>
#include "base/android/jni_android.h"
#include "ui/gl/android/scoped_java_surface.h"
namespace gl {
// static
ScopedANativeWindow ScopedANativeWindow::Wrap(ANativeWindow* a_native_window) {
return ScopedANativeWindow(a_native_window);
}
ScopedANativeWindow::ScopedANativeWindow(const ScopedJavaSurface& surface) {
if (!surface.j_surface()) {
return;
}
JNIEnv* env = base::android::AttachCurrentThread();
// Note: This ensures that any local references used by
// ANativeWindow_fromSurface are released immediately. This is needed as a
// workaround for https://code.google.com/p/android/issues/detail?id=68174
base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
a_native_window_ = ANativeWindow_fromSurface(env, surface.j_surface().obj());
}
ScopedANativeWindow::ScopedANativeWindow(ANativeWindow* a_native_window)
: a_native_window_(a_native_window) {
if (a_native_window_) {
ANativeWindow_acquire(a_native_window_);
}
}
ScopedANativeWindow::~ScopedANativeWindow() {
DestroyIfNeeded();
}
ScopedANativeWindow::ScopedANativeWindow(ScopedANativeWindow&& other)
: a_native_window_(other.a_native_window_) {
other.a_native_window_ = nullptr;
}
ScopedANativeWindow& ScopedANativeWindow::operator=(
ScopedANativeWindow&& other) {
if (this != &other) {
DestroyIfNeeded();
a_native_window_ = other.a_native_window_;
other.a_native_window_ = nullptr;
}
return *this;
}
void ScopedANativeWindow::DestroyIfNeeded() {
if (a_native_window_) {
ANativeWindow_release(a_native_window_);
}
a_native_window_ = nullptr;
}
} // namespace gl
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