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// Copyright (c) 2012 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 UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
#define UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/strings/string16.h"
#include "ui/views/view.h"
namespace views {
class Tab;
class TabbedPaneListener;
class TabStrip;
// TabbedPane is a view that shows tabs. When the user clicks on a tab, the
// associated view is displayed.
class VIEWS_EXPORT TabbedPane : public View {
public:
// Internal class name.
static const char kViewClassName[];
TabbedPane();
~TabbedPane() override;
TabbedPaneListener* listener() const { return listener_; }
void set_listener(TabbedPaneListener* listener) { listener_ = listener; }
int selected_tab_index() const { return selected_tab_index_; }
// Returns the number of tabs.
int GetTabCount();
// Returns the contents of the selected tab or NULL if there is none.
View* GetSelectedTab();
// 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 base::string16& title, View* contents);
// Adds a new tab at |index| with |title|. |contents| is the view displayed
// when the tab is selected and is owned by the TabbedPane. If the tabbed pane
// is currently empty, the new tab is selected.
void AddTabAtIndex(int index, const base::string16& title, View* contents);
// Selects the tab at |index|, which must be valid.
void SelectTabAt(int index);
// Selects |tab| (the tabstrip view, not its content) if it is valid.
void SelectTab(Tab* tab);
// Overridden from View:
gfx::Size GetPreferredSize() const override;
const char* GetClassName() const override;
private:
friend class TabStrip;
// Get the Tab (the tabstrip view, not its content) at the valid |index|.
Tab* GetTabAt(int index);
// Overridden from View:
void Layout() override;
void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) override;
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
void OnFocus() override;
void GetAccessibleState(ui::AXViewState* state) override;
// A listener notified when tab selection changes. Weak, not owned.
TabbedPaneListener* listener_;
// The tab strip and contents container. The child indices of these members
// correspond to match each Tab with its respective content View.
TabStrip* tab_strip_;
View* contents_;
// The selected tab index or -1 if invalid.
int selected_tab_index_;
DISALLOW_COPY_AND_ASSIGN(TabbedPane);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
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