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// 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 "ui/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
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