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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_EXO_WAYLAND_ZAURA_SHELL_H_
#define COMPONENTS_EXO_WAYLAND_ZAURA_SHELL_H_
#include <stdint.h>
#include "components/exo/surface.h"
#include "components/exo/surface_observer.h"
#include "ui/wm/public/activation_change_observer.h"
struct wl_client;
struct wl_resource;
namespace exo {
namespace wayland {
constexpr uint32_t kZAuraShellVersion = 9;
// Adds bindings to the Aura Shell. Normally this implies Ash on ChromeOS
// builds. On non-ChromeOS builds the protocol provides access to Aura windowing
// system.
void bind_aura_shell(wl_client* client,
void* data,
uint32_t version,
uint32_t id);
class AuraSurface : public SurfaceObserver,
public ::wm::ActivationChangeObserver {
public:
AuraSurface(Surface* surface, wl_resource* resource);
~AuraSurface() override;
void SetFrame(SurfaceFrameType type);
void SetFrameColors(SkColor active_frame_color, SkColor inactive_frame_color);
void SetParent(AuraSurface* parent, const gfx::Point& position);
void SetStartupId(const char* startup_id);
void SetApplicationId(const char* application_id);
void SetClientSurfaceId(int client_surface_id);
void SetOcclusionTracking(bool tracking);
void Activate();
void DrawAttention();
// Overridden from SurfaceObserver:
void OnSurfaceDestroying(Surface* surface) override;
void OnWindowOcclusionChanged(Surface* surface) override;
// Overridden from ActivationChangeObserver:
void OnWindowActivating(ActivationReason reason,
aura::Window* gaining_active,
aura::Window* losing_active) override;
void OnWindowActivated(ActivationReason reason,
aura::Window* gained_active,
aura::Window* lost_active) override {}
protected:
virtual void SendOcclusionFraction(float occlusion_fraction);
private:
Surface* surface_;
wl_resource* const resource_;
void ComputeAndSendOcclusionFraction(
const aura::Window::OcclusionState occlusion_state,
const SkRegion& occluded_region);
DISALLOW_COPY_AND_ASSIGN(AuraSurface);
};
} // namespace wayland
} // namespace exo
#endif // COMPONENTS_EXO_WAYLAND_ZAURA_SHELL_H_
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