| // Copyright (c) 2011 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. |
| |
| #include "views/widget/window_manager.h" |
| |
| #include "base/compiler_specific.h" |
| #include "views/events/event.h" |
| #include "views/widget/widget.h" |
| |
| namespace { |
| |
| views::WindowManager* window_manager = NULL; |
| |
| class NullWindowManager : public views::WindowManager { |
| public: |
| NullWindowManager() : mouse_capture_(NULL) { |
| } |
| |
| virtual void StartMoveDrag(views::Widget* widget, |
| const gfx::Point& screen_point) OVERRIDE { |
| NOTIMPLEMENTED(); |
| } |
| |
| virtual void StartResizeDrag(views::Widget* widget, |
| const gfx::Point& screen_point, |
| int hittest_code) OVERRIDE { |
| NOTIMPLEMENTED(); |
| } |
| |
| virtual bool SetMouseCapture(views::Widget* widget) OVERRIDE { |
| if (mouse_capture_ == widget) |
| return true; |
| if (mouse_capture_) |
| return false; |
| mouse_capture_ = widget; |
| return true; |
| } |
| |
| virtual bool ReleaseMouseCapture(views::Widget* widget) OVERRIDE { |
| if (widget && mouse_capture_ != widget) |
| return false; |
| mouse_capture_ = NULL; |
| return true; |
| } |
| |
| virtual bool HasMouseCapture(const views::Widget* widget) const OVERRIDE { |
| return mouse_capture_ == widget; |
| } |
| |
| virtual bool HandleKeyEvent(views::Widget* widget, |
| const views::KeyEvent& event) OVERRIDE { |
| return false; |
| } |
| |
| virtual bool HandleMouseEvent(views::Widget* widget, |
| const views::MouseEvent& event) OVERRIDE { |
| if (mouse_capture_) { |
| views::MouseEvent translated(event, widget->GetRootView(), |
| mouse_capture_->GetRootView()); |
| mouse_capture_->OnMouseEvent(translated); |
| return true; |
| } |
| return false; |
| } |
| |
| virtual ui::TouchStatus HandleTouchEvent(views::Widget* widget, |
| const views::TouchEvent& event) OVERRIDE { |
| return ui::TOUCH_STATUS_UNKNOWN; |
| } |
| |
| void Register(views::Widget* widget) OVERRIDE {} |
| |
| private: |
| views::Widget* mouse_capture_; |
| }; |
| |
| } // namespace |
| |
| namespace views { |
| |
| WindowManager::WindowManager() { |
| } |
| |
| WindowManager::~WindowManager() { |
| } |
| |
| // static |
| void WindowManager::Install(WindowManager* wm) { |
| window_manager = wm; |
| } |
| |
| // static |
| WindowManager* WindowManager::Get() { |
| if (!window_manager) |
| window_manager = new NullWindowManager(); |
| return window_manager; |
| } |
| |
| } // namespace views |