1 // Copyright (c) 2012 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_AURA_SCREEN_POSITION_CLIENT_H_ 6 #define UI_AURA_SCREEN_POSITION_CLIENT_H_ 7 8 #include "ui/aura/aura_export.h" 9 #include "ui/aura/window.h" 10 11 namespace gfx { 12 class Display; 13 class Rect; 14 } 15 16 namespace aura { 17 class Window; 18 namespace client { 19 20 // An interface implemented by an object that changes coordinates within a root 21 // Window into system coordinates. 22 class AURA_EXPORT ScreenPositionClient { 23 public: 24 virtual ~ScreenPositionClient() {} 25 26 // Converts the |screen_point| from a given |window|'s coordinate space 27 // into screen coordinate space. 28 virtual void ConvertPointToScreen(const Window* window, 29 gfx::Point* point) = 0; 30 virtual void ConvertPointFromScreen(const Window* window, 31 gfx::Point* point) = 0; 32 // Converts the |screen_point| from root window host's coordinate of 33 // into screen coordinate space. 34 // A typical example of using this function instead of ConvertPointToScreen is 35 // when X's native input is captured by a drag operation. 36 // See the comments for ash::GetRootWindowRelativeToWindow for details. 37 virtual void ConvertHostPointToScreen(Window* root_window, 38 gfx::Point* point) = 0; 39 // Sets the bounds of the window. The implementation is responsible 40 // for finding out and translating the right coordinates for the |window|. 41 virtual void SetBounds(Window* window, 42 const gfx::Rect& bounds, 43 const gfx::Display& display) = 0; 44 }; 45 46 // Sets/Gets the activation client on the Window. 47 AURA_EXPORT void SetScreenPositionClient(Window* root_window, 48 ScreenPositionClient* client); 49 AURA_EXPORT ScreenPositionClient* GetScreenPositionClient( 50 const Window* root_window); 51 52 } // namespace clients 53 } // namespace aura 54 55 #endif // UI_AURA_SCREEN_POSITION_CLIENT_H_ 56
