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// Copyright (c) 2009 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 CHROME_BROWSER_VIEWS_FRAME_BROWSER_EXTENDER_H_
#define CHROME_BROWSER_VIEWS_FRAME_BROWSER_EXTENDER_H_
#include "base/basictypes.h"
#include "base/gfx/rect.h"
class BrowserView;
class Tab;
namespace views {
class Window;
} // namespace views
// BrowserExtender adds chromeos specific features to BrowserView.
// The factory method |Create(BrowserView*)| creates different types
// of extender depending on the type of BrowserView and target platform.
// Please see browser/chromeos/browser_extenders.cc for ChromeOS extenders, and
// standard_extender.cc for Chrome browser.
class BrowserExtender {
public:
// Factory method to create a BrowserExtender for given
// BrowserView object. Please see the class description for details.
static BrowserExtender* Create(BrowserView* browser_view);
virtual ~BrowserExtender() {}
// Initializes the extender.
virtual void Init() = 0;
// Layouts controls within the given bounds. The |tabstrip_bounds| will be
// filled with the remaining bounds for tabstip to be layed out and
// the |bottom| will be filled with the y location where toolbar should be
// layed out, in BrowserView cooridnates.
virtual void Layout(const gfx::Rect& bounds,
gfx::Rect* tabstrip_bounds,
int* bottom) = 0;
// Tests if the given |point|, which is given in BrowserView coordinates,
// hits any of controls.
virtual bool NonClientHitTest(const gfx::Point& browser_view_point) = 0;
// Returns true to hide the toolbar for the window, or false
// to use the regular logic to decide.
virtual bool ShouldForceHideToolbar() = 0;
// Returns true if the window should be in the maximized state.
virtual bool ShouldForceMaximizedWindow() = 0;
// Returns true if the compact navigation bar is focusable and got
// focus, false otherwise.
virtual bool SetFocusToCompactNavigationBar() = 0;
// Toggles the visibility of CompactNavigationBar.
virtual void ToggleCompactNavigationBar() = 0;
// Called when a mouse entered into the |tab|.
virtual void OnMouseEnteredToTab(Tab* tab) = 0;
// Called when a mouse moved (hovered) on the |tab|.
virtual void OnMouseMovedOnTab(Tab* tab) = 0;
// Called when a mouse exited from the |tab|.
virtual void OnMouseExitedFromTab(Tab* tab) = 0;
// Returns the main menu's width. This is used in the opaque frame
// to layout otr icons and tabstrips.
virtual int GetMainMenuWidth() const = 0;
// Tells if the browser can be closed.
bool can_close() const {
return can_close_;
}
// Specifies if the browser can be closed or not. This typically set
// to false when the browser is being dragged.
void set_can_close(bool b) {
can_close_ = b;
}
protected:
explicit BrowserExtender(BrowserView* browser_view);
// Returns the view Window object that contains the BrowserView.
views::Window* GetBrowserWindow();
BrowserView* browser_view() {
return browser_view_;
}
private:
// BrowserView to be extended.
BrowserView* browser_view_;
// True if the browser can be closed. See set_can_close method for setails.
bool can_close_;
DISALLOW_COPY_AND_ASSIGN(BrowserExtender);
};
#endif // CHROME_BROWSER_VIEWS_FRAME_BROWSER_EXTENDER_H_
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