ui/wm/core/default_screen_position_client.h

   1 // Copyright 2014 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 UI_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_
   6 #define UI_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_
   7
   8 #include "ui/aura/client/screen_position_client.h"
   9 #include "ui/wm/wm_export.h"
  10
  11 namespace wm {
  12
  13 // Client that always offsets by the toplevel RootWindow of the passed
  14 // in child NativeWidgetAura.
  15 class WM_EXPORT DefaultScreenPositionClient
  16     : public aura::client::ScreenPositionClient {
  17  public:
  18   DefaultScreenPositionClient();
  19   ~DefaultScreenPositionClient() override;
  20
  21   // aura::client::ScreenPositionClient overrides:
  22   void ConvertPointToScreen(const aura::Window* window,
  23                             gfx::Point* point) override;
  24   void ConvertPointFromScreen(const aura::Window* window,
  25                               gfx::Point* point) override;
  26   void ConvertHostPointToScreen(aura::Window* window,
  27                                 gfx::Point* point) override;
  28   void SetBounds(aura::Window* window,
  29                  const gfx::Rect& bounds,
  30                  const gfx::Display& display) override;
  31
  32  protected:
  33   // Returns the origin of the host platform-window in system pixel coordinates.
  34   gfx::Point GetOriginInScreen(const aura::Window* root_window);
  35
  36  private:
  37   DISALLOW_COPY_AND_ASSIGN(DefaultScreenPositionClient);
  38 };
  39
  40 }  // namespace wm
  41
  42 #endif  // UI_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_