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// Copyright 2014 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 EXTENSIONS_SHELL_BROWSER_SHELL_SCREEN_H_
#define EXTENSIONS_SHELL_BROWSER_SHELL_SCREEN_H_
#include "base/macros.h"
#include "ui/aura/window_tree_host_observer.h"
#include "ui/display/display.h"
#include "ui/display/screen_base.h"
namespace aura {
class WindowTreeHost;
}
namespace gfx {
class Size;
}
namespace extensions {
class ShellDesktopControllerAura;
// A minimal Aura implementation of a screen. Scale factor is locked at 1.0.
// When running on a Linux desktop resizing the main window resizes the screen.
class ShellScreen : public display::ScreenBase,
public aura::WindowTreeHostObserver {
public:
// Creates a screen occupying |size| physical pixels. |desktop_controller|
// can be null in tests.
ShellScreen(ShellDesktopControllerAura* desktop_controller,
const gfx::Size& size);
~ShellScreen() override;
// aura::WindowTreeHostObserver overrides:
void OnHostResized(aura::WindowTreeHost* host) override;
// display::Screen overrides:
gfx::Point GetCursorScreenPoint() override;
bool IsWindowUnderCursor(gfx::NativeWindow window) override;
gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
display::Display GetDisplayNearestWindow(
gfx::NativeWindow window) const override;
private:
ShellDesktopControllerAura* const desktop_controller_;
DISALLOW_COPY_AND_ASSIGN(ShellScreen);
};
} // namespace extensions
#endif // EXTENSIONS_SHELL_BROWSER_SHELL_SCREEN_H_
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