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// Copyright 2020 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_OZONE_PLATFORM_WAYLAND_GPU_WAYLAND_OVERLAY_MANAGER_H_
#define UI_OZONE_PLATFORM_WAYLAND_GPU_WAYLAND_OVERLAY_MANAGER_H_
#include "base/memory/raw_ptr.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/ozone/public/overlay_candidates_ozone.h"
#include "ui/ozone/public/overlay_manager_ozone.h"
namespace ui {
class OverlaySurfaceCandidate;
class WaylandBufferManagerGpu;
// Ozone Wayland extension of the OverlayManagerOzone interface. It verifies the
// minimum validity of overlay candidates. Candidates' buffers are forwarded to
// Wayland server as Wayland subsurfaces. Actual HW overlay promotion happens
// later in Wayland Server.
class WaylandOverlayManager : public OverlayManagerOzone {
public:
explicit WaylandOverlayManager(WaylandBufferManagerGpu* manager_gpu);
WaylandOverlayManager(const WaylandOverlayManager&) = delete;
WaylandOverlayManager& operator=(const WaylandOverlayManager&) = delete;
~WaylandOverlayManager() override;
// OverlayManagerOzone:
std::unique_ptr<OverlayCandidatesOzone> CreateOverlayCandidates(
gfx::AcceleratedWidget w) override;
void SetContextDelegated() override;
// Checks if overlay candidates can be displayed as overlays. Modifies
// |candidates| to indicate if they can.
void CheckOverlaySupport(std::vector<OverlaySurfaceCandidate>* candidates,
gfx::AcceleratedWidget widget);
protected:
// Perform basic validation to see if |candidate| is a valid request.
bool CanHandleCandidate(const OverlaySurfaceCandidate& candidate,
gfx::AcceleratedWidget widget) const;
const raw_ptr<WaylandBufferManagerGpu> manager_gpu_;
// Same as features::IsDelegatedCompositingEnabled.
bool is_delegated_context_ = false;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_GPU_WAYLAND_OVERLAY_MANAGER_H_
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