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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_ROUNDED_DISPLAY_ROUNDED_DISPLAY_HOST_H_
#define ASH_ROUNDED_DISPLAY_ROUNDED_DISPLAY_HOST_H_
#include <memory>
#include <vector>
#include "ash/frame_sink/frame_sink_host.h"
#include "ash/rounded_display/rounded_display_gutter.h"
#include "base/functional/callback_forward.h"
#include "base/memory/weak_ptr.h"
namespace viz {
class CompositorFrame;
} // namespace viz
namespace ash {
class RoundedDisplayFrameFactory;
// Renders the rounded-display mask textures by creating independent
// compositor frames and submitting them to the display compositor.
class ASH_EXPORT RoundedDisplayHost : public ash::FrameSinkHost {
public:
using GetGuttersCallback =
base::RepeatingCallback<void(std::vector<RoundedDisplayGutter*>&)>;
// The callback is used to get RoundedDisplayGutters that are used to paint
// mask textures for compositor frames.
explicit RoundedDisplayHost(GetGuttersCallback callback);
RoundedDisplayHost(const RoundedDisplayHost&) = delete;
RoundedDisplayHost& operator=(const RoundedDisplayHost&) = delete;
~RoundedDisplayHost() override;
protected:
// ash::FrameSinkHost:
std::unique_ptr<viz::CompositorFrame> CreateCompositorFrame(
const viz::BeginFrameAck& begin_frame_ack,
UiResourceManager& resource_manager,
bool auto_update,
const gfx::Size& last_submitted_frame_size,
float last_submitted_frame_dsf) override;
private:
// This callback is used to get RoundedDisplayGutters that know how to
// paint mask textures for rounded corners of a display.
GetGuttersCallback get_resource_generator_callback_;
// RoundedDisplayHost delegates the work to create and configure compositor
// frames to the RoundedDisplayFrameFactory.
std::unique_ptr<RoundedDisplayFrameFactory> frame_factory_;
base::WeakPtrFactory<RoundedDisplayHost> weak_ptr_factory_{this};
};
} // namespace ash
#endif // ASH_ROUNDED_DISPLAY_ROUNDED_DISPLAY_HOST_H_
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