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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_TABS_TAB_STRIP_WRAPPER_H_
#define CHROME_BROWSER_VIEWS_TABS_TAB_STRIP_WRAPPER_H_
class BrowserTabStrip;
namespace gfx {
class Point;
class Rect;
}
class TabStrip;
class TabStripModel;
namespace views {
class View;
}
// A temporary interface to abstract the TabStrip implementation (which can be
// either TabStrip or TabStrip2) from the rest of the Browser frontend code
// while the new TabStrip is brought up.
class TabStripWrapper {
public:
// Returns the preferred height of this TabStrip. This is based on the
// typical height of its constituent tabs.
virtual int GetPreferredHeight() = 0;
// Returns true if Tabs in this TabStrip are currently changing size or
// position.
virtual bool IsAnimating() const = 0;
// Set the background offset used by inactive tabs to match the frame image.
virtual void SetBackgroundOffset(gfx::Point offset) = 0;
// Returns true if the specified point(TabStrip coordinates) should be
// considered to be within the window caption area of the browser window.
virtual bool PointIsWithinWindowCaption(const gfx::Point& point) = 0;
// Returns true if a drag session is currently active.
virtual bool IsDragSessionActive() const = 0;
// Return true if this tab strip is compatible with the provided tab strip.
// Compatible tab strips can transfer tabs during drag and drop.
virtual bool IsCompatibleWith(TabStripWrapper* other) const = 0;
// Sets the bounds of the tab at the specified |tab_index|. |tab_bounds| are
// in TabStrip coordinates.
virtual void SetDraggedTabBounds(int tab_index,
const gfx::Rect& tab_bounds) = 0;
// Updates the loading animations displayed by tabs in the tabstrip to the
// next frame.
virtual void UpdateLoadingAnimations() = 0;
// Returns the views::View of the wrapped tabstrip, for layout and sizing.
virtual views::View* GetView() = 0;
// Shim to provide access to the BrowserTabStrip implementation for code only
// called from within TabStrip2::Enabled() == true blocks. Returns NULL when
// old TabStrip is in effect.
virtual BrowserTabStrip* AsBrowserTabStrip() = 0;
// Shim to provide access to the TabStrip implementation for code only called
// from within TabStrip2::Enabled() == false blocks. Returns NULL when the new
// TabStrip is in effect.
virtual TabStrip* AsTabStrip() = 0;
// Creates a TabStrip - either the old or new one depending on command line
// flags.
static TabStripWrapper* CreateTabStrip(TabStripModel* model);
};
#endif // CHROME_BROWSER_VIEWS_TABS_TAB_STRIP_WRAPPER_H_
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