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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.
#ifndef UI_GL_ANDROID_SCOPED_A_NATIVE_WINDOW_H_
#define UI_GL_ANDROID_SCOPED_A_NATIVE_WINDOW_H_
#include <cstddef>
#include "base/memory/raw_ptr_exclusion.h"
#include "ui/gl/gl_export.h"
struct ANativeWindow;
namespace gl {
class ScopedJavaSurface;
class GL_EXPORT ScopedANativeWindow {
public:
static ScopedANativeWindow Wrap(ANativeWindow* a_native_window);
constexpr ScopedANativeWindow() = default;
constexpr ScopedANativeWindow(std::nullptr_t) {}
explicit ScopedANativeWindow(const ScopedJavaSurface& surface);
~ScopedANativeWindow();
ScopedANativeWindow(ScopedANativeWindow&& other);
ScopedANativeWindow& operator=(ScopedANativeWindow&& other);
// Move only type.
ScopedANativeWindow(const ScopedANativeWindow&) = delete;
ScopedANativeWindow& operator=(const ScopedANativeWindow&) = delete;
explicit operator bool() const { return !!a_native_window_; }
ANativeWindow* a_native_window() const { return a_native_window_; }
private:
explicit ScopedANativeWindow(ANativeWindow* a_native_window);
void DestroyIfNeeded();
// RAW_PTR_EXCLUSION: This pointer is managed by the android API, and is to
// a reference-counted object. It can't dangle because the ref counting
// enforces that it isn't freed until the pointer is released, and we null
// it immediately afterwards.
RAW_PTR_EXCLUSION ANativeWindow* a_native_window_ = nullptr;
};
} // namespace gl
#endif // UI_GL_ANDROID_SCOPED_A_NATIVE_WINDOW_H_
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