| // 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_observer.h" |
| #include "ui/gfx/display.h" |
| #include "ui/gfx/screen.h" |
| |
| namespace aura { |
| class WindowTreeHost; |
| } |
| |
| namespace gfx { |
| class Size; |
| } |
| |
| namespace extensions { |
| |
| // 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 gfx::Screen, public aura::WindowObserver { |
| public: |
| // Creates a screen occupying |size| physical pixels. |
| explicit ShellScreen(const gfx::Size& size); |
| ~ShellScreen() override; |
| |
| // Caller owns the returned object. |
| aura::WindowTreeHost* CreateHostForPrimaryDisplay(); |
| |
| // WindowObserver overrides: |
| void OnWindowBoundsChanged(aura::Window* window, |
| const gfx::Rect& old_bounds, |
| const gfx::Rect& new_bounds) override; |
| void OnWindowDestroying(aura::Window* window) override; |
| |
| // 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: |
| aura::WindowTreeHost* host_; // Not owned. |
| gfx::Display display_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ShellScreen); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_SHELL_BROWSER_SHELL_SCREEN_H_ |