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// Copyright (c) 2006-2008 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_VIEWS_TABBED_PANE_H__
#define CHROME_VIEWS_TABBED_PANE_H__
#include "chrome/views/native_control.h"
namespace views {
// The TabbedPane class is a view that shows tabs. When the user clicks on a
// tab, the associated view is displayed.
// TODO (jcampan): implement GetPreferredSize().
class WidgetWin;
class TabbedPane : public NativeControl {
public:
TabbedPane();
virtual ~TabbedPane();
// An interface an object can implement to be notified about events within
// the TabbedPane.
class Listener {
public:
// Called when the tab at the specified |index| is selected by the user.
virtual void TabSelectedAt(int index) = 0;
};
void SetListener(Listener* listener);
// Adds a new tab at the end of this TabbedPane with the specified |title|.
// |contents| is the view displayed when the tab is selected and is owned by
// the TabbedPane.
void AddTab(const std::wstring& title, View* contents);
// Adds a new tab at the specified |index| with the specified |title|.
// |contents| is the view displayed when the tab is selected and is owned by
// the TabbedPane. If |select_if_first_tab| is true and the tabbed pane is
// currently empty, the new tab is selected. If you pass in false for
// |select_if_first_tab| you need to explicitly invoke SelectTabAt, otherwise
// the tabbed pane will not have a valid selection.
void AddTabAtIndex(int index,
const std::wstring& title,
View* contents,
bool select_if_first_tab);
// Removes the tab at the specified |index| and returns the associated content
// view. The caller becomes the owner of the returned view.
View* RemoveTabAtIndex(int index);
// Selects the tab at the specified |index|, which must be valid.
void SelectTabAt(int index);
// Selects the tab containing the specified |contents|, which must be valid.
void SelectTabForContents(const View* contents);
// Returns the number of tabs.
int GetTabCount();
virtual HWND CreateNativeControl(HWND parent_container);
virtual LRESULT OnNotify(int w_param, LPNMHDR l_param);
virtual void Layout();
virtual RootView* GetContentsRootView();
virtual FocusTraversable* GetFocusTraversable();
virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
private:
// Changes the contents view to the view associated with the tab at |index|.
void DoSelectTabAt(int index);
// Returns the index of the tab containing the specified |contents|.
int GetIndexForContents(const View* contents) const;
void ResizeContents(HWND tab_control);
HWND tab_control_;
// The views associated with the different tabs.
std::vector<View*> tab_views_;
// The window displayed in the tab.
WidgetWin* content_window_;
// The listener we notify about tab selection changes.
Listener* listener_;
DISALLOW_EVIL_CONSTRUCTORS(TabbedPane);
};
} // namespace views
#endif // #define CHROME_VIEWS_TABBED_PANE_H__
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