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// Copyright 2015 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 CHROMECAST_GRAPHICS_CAST_SCREEN_H_
#define CHROMECAST_GRAPHICS_CAST_SCREEN_H_
#include "base/callback.h"
#include "base/macros.h"
#include "chromecast/public/graphics_types.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
namespace chromecast {
namespace shell {
class CastBrowserMainParts;
} // namespace shell
// CastScreen is Chromecast's own minimal implementation of gfx::Screen.
// Right now, it almost exactly duplicates the behavior of aura's TestScreen
// class for necessary methods. The instantiation of CastScreen occurs in
// CastBrowserMainParts, where its ownership is assigned to CastBrowserProcess.
// To then subsequently access CastScreen, see CastBrowerProcess.
class CastScreen : public gfx::Screen {
public:
~CastScreen() override;
using DisplayResizeCallback = base::Callback<void(const Size&)>;
void SetDisplayResizeCallback(const DisplayResizeCallback& cb);
// Updates the primary display size.
void UpdateDisplaySize(const gfx::Size& size);
// gfx::Screen overrides:
gfx::Point GetCursorScreenPoint() override;
gfx::NativeWindow GetWindowUnderCursor() override;
gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
int GetNumDisplays() const override;
std::vector<gfx::Display> GetAllDisplays() const override;
gfx::Display GetDisplayNearestWindow(gfx::NativeView view) const override;
gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override;
gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override;
gfx::Display GetPrimaryDisplay() const override;
void AddObserver(gfx::DisplayObserver* observer) override;
void RemoveObserver(gfx::DisplayObserver* observer) override;
private:
CastScreen();
gfx::Display display_;
DisplayResizeCallback display_resize_cb_;
friend class shell::CastBrowserMainParts;
DISALLOW_COPY_AND_ASSIGN(CastScreen);
};
} // namespace chromecast
#endif // CHROMECAST_GRAPHICS_CAST_SCREEN_H_
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