chromecast/graphics/cast_screen.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_GRAPHICS_CAST_SCREEN_H_
   6 #define CHROMECAST_GRAPHICS_CAST_SCREEN_H_
   7
   8 #include "ui/gfx/display.h"
   9 #include "ui/gfx/screen.h"
  10
  11 namespace chromecast {
  12
  13 namespace shell {
  14 class CastBrowserMainParts;
  15 }  // namespace shell
  16
  17 // CastScreen is Chromecast's own minimal implementation of gfx::Screen.
  18 // Right now, it almost exactly duplicates the behavior of aura's TestScreen
  19 // class for necessary methods. The instantiation of CastScreen occurs in
  20 // CastBrowserMainParts, where its ownership is assigned to CastBrowserProcess.
  21 // To then subsequently access CastScreen, see CastBrowerProcess.
  22 class CastScreen : public gfx::Screen {
  23  public:
  24   ~CastScreen() override;
  25
  26   // Updates the primary display size.
  27   void UpdateDisplaySize(const gfx::Size& size);
  28
  29   // gfx::Screen overrides:
  30   gfx::Point GetCursorScreenPoint() override;
  31   gfx::NativeWindow GetWindowUnderCursor() override;
  32   gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
  33   int GetNumDisplays() const override;
  34   std::vector<gfx::Display> GetAllDisplays() const override;
  35   gfx::Display GetDisplayNearestWindow(gfx::NativeView view) const override;
  36   gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override;
  37   gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override;
  38   gfx::Display GetPrimaryDisplay() const override;
  39   void AddObserver(gfx::DisplayObserver* observer) override;
  40   void RemoveObserver(gfx::DisplayObserver* observer) override;
  41
  42  private:
  43   CastScreen();
  44
  45   gfx::Display display_;
  46
  47   friend class shell::CastBrowserMainParts;
  48
  49   DISALLOW_COPY_AND_ASSIGN(CastScreen);
  50 };
  51
  52 }  // namespace chromecast
  53
  54 #endif  // CHROMECAST_GRAPHICS_CAST_SCREEN_H_