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[chromium-blink-merge.git] / ui / views / controls / tabbed_pane / tabbed_pane.h
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
6 #define UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "base/strings/string16.h"
11 #include "ui/views/view.h"
13 namespace views {
15 class Tab;
16 class TabbedPaneListener;
17 class TabStrip;
19 // TabbedPane is a view that shows tabs. When the user clicks on a tab, the
20 // associated view is displayed.
21 class VIEWS_EXPORT TabbedPane : public View {
22 public:
23 // Internal class name.
24 static const char kViewClassName[];
26 TabbedPane();
27 ~TabbedPane() override;
29 TabbedPaneListener* listener() const { return listener_; }
30 void set_listener(TabbedPaneListener* listener) { listener_ = listener; }
32 int selected_tab_index() const { return selected_tab_index_; }
34 // Returns the number of tabs.
35 int GetTabCount();
37 // Returns the contents of the selected tab or NULL if there is none.
38 View* GetSelectedTab();
40 // Adds a new tab at the end of this TabbedPane with the specified |title|.
41 // |contents| is the view displayed when the tab is selected and is owned by
42 // the TabbedPane.
43 void AddTab(const base::string16& title, View* contents);
45 // Adds a new tab at |index| with |title|. |contents| is the view displayed
46 // when the tab is selected and is owned by the TabbedPane. If the tabbed pane
47 // is currently empty, the new tab is selected.
48 void AddTabAtIndex(int index, const base::string16& title, View* contents);
50 // Selects the tab at |index|, which must be valid.
51 void SelectTabAt(int index);
53 // Selects |tab| (the tabstrip view, not its content) if it is valid.
54 void SelectTab(Tab* tab);
56 // Overridden from View:
57 gfx::Size GetPreferredSize() const override;
58 const char* GetClassName() const override;
60 private:
61 friend class TabStrip;
63 // Get the Tab (the tabstrip view, not its content) at the valid |index|.
64 Tab* GetTabAt(int index);
66 // Overridden from View:
67 void Layout() override;
68 void ViewHierarchyChanged(
69 const ViewHierarchyChangedDetails& details) override;
70 bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
71 void OnFocus() override;
72 void GetAccessibleState(ui::AXViewState* state) override;
74 // A listener notified when tab selection changes. Weak, not owned.
75 TabbedPaneListener* listener_;
77 // The tab strip and contents container. The child indices of these members
78 // correspond to match each Tab with its respective content View.
79 TabStrip* tab_strip_;
80 View* contents_;
82 // The selected tab index or -1 if invalid.
83 int selected_tab_index_;
85 DISALLOW_COPY_AND_ASSIGN(TabbedPane);
88 } // namespace views
90 #endif // UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_