| // Copyright 2013 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 ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_ |
| #define ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/wm/window_state_observer.h" |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "ui/aura/window_observer.h" |
| |
| namespace gfx { |
| class Point; |
| } |
| |
| namespace views { |
| class NonClientFrameView; |
| class Widget; |
| } |
| |
| namespace ash { |
| class HeaderPainter; |
| |
| // Class which manages the hittest override bounds for |frame|. The override |
| // bounds are used to ensure that the resize cursors are shown when the user |
| // hovers over |frame|'s edges. |
| class ASH_EXPORT FrameBorderHitTestController : public wm::WindowStateObserver, |
| public aura::WindowObserver { |
| public: |
| explicit FrameBorderHitTestController(views::Widget* frame); |
| virtual ~FrameBorderHitTestController(); |
| |
| // Does the non client hit test on behalf of |view|. |point| must be in the |
| // coordinates of |view|'s widget. |
| static int NonClientHitTest(views::NonClientFrameView* view, |
| HeaderPainter* header_painter, |
| const gfx::Point& point); |
| |
| private: |
| // Updates the size of the region inside of |window_| in which the resize |
| // handles are shown based on |window_|'s show type. |
| void UpdateHitTestBoundsOverrideInner(); |
| |
| // WindowStateObserver override: |
| virtual void OnWindowShowTypeChanged(wm::WindowState* window_state, |
| wm::WindowShowType old_type) OVERRIDE; |
| // WindowObserver override: |
| virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
| |
| // The window whose hittest override bounds are being managed. |
| aura::Window* frame_window_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameBorderHitTestController); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_ |