Refactoring of tabbed-pane component so it can be ported to Linux toolkit_view

views/controls/tabbed_pane/native_tabbed_pane_win.h

+// 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 VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_WIN_H_
+#define VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_WIN_H_
+
+#include "views/controls/native_control_win.h"
+#include "views/controls/tabbed_pane/native_tabbed_pane_wrapper.h"
+
+namespace views {
+
+class WidgetWin;
+
+class NativeTabbedPaneWin : public NativeControlWin,
+                            public NativeTabbedPaneWrapper {
+ public:
+  explicit NativeTabbedPaneWin(TabbedPane* tabbed_pane);
+  virtual ~NativeTabbedPaneWin();
+
+  // NativeTabbedPaneWrapper implementation:
+  virtual void AddTab(const std::wstring& title, View* contents);
+  virtual void AddTabAtIndex(int index,
+                             const std::wstring& title,
+                             View* contents,
+                             bool select_if_first_tab);
+  virtual View* RemoveTabAtIndex(int index);
+  virtual void SelectTabAt(int index);
+  virtual int GetTabCount();
+  virtual int GetSelectedTabIndex();
+  virtual View* GetSelectedTab();
+  virtual View* GetView();
+  virtual void SetFocus();
+  virtual gfx::NativeView GetTestingHandle() const;
+
+  // NativeControlWin overrides.
+  virtual void CreateNativeControl();
+  virtual bool ProcessMessage(UINT message,
+                              WPARAM w_param,
+                              LPARAM l_param,
+                              LRESULT* result);
+
+  // View overrides:
+  virtual void Layout();
+  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);
+
+  // Resizes the HWND control to macth the size of the containing view.
+  void ResizeContents();
+
+  // The tabbed-pane we are bound to.
+  TabbedPane* tabbed_pane_;
+
+  // The views associated with the different tabs.
+  std::vector<View*> tab_views_;
+
+  // The window displayed in the tab.
+  WidgetWin* content_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeTabbedPaneWin);
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_WIN_H_