Win: Add listbox view.

views/controls/listbox/native_listbox_win.h

+// Copyright (c) 2010 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_LISTBOX_NATIVE_LISTBOX_WIN_H_
+#define VIEWS_CONTROLS_LISTBOX_NATIVE_LISTBOX_WIN_H_
+
+#include <windows.h>
+
+#include "base/string16.h"
+#include "views/controls/listbox/native_listbox_wrapper.h"
+#include "views/controls/native_control_win.h"
+
+namespace views {
+
+// A View that hosts a native Windows listbox.
+class NativeListboxWin : public NativeControlWin, public NativeListboxWrapper {
+ public:
+  NativeListboxWin(Listbox* listbox,
+                   const std::vector<string16>& strings,
+                   Listbox::Listener* listener);
+  virtual ~NativeListboxWin();
+
+  // NativeListboxWrapper implementation:
+  virtual int GetRowCount() const;
+  virtual int SelectedRow() const;
+  virtual void SelectRow(int row);
+  virtual View* GetView();
+
+  // Overridden from View:
+  virtual gfx::Size GetPreferredSize();
+
+  // Overridden from NativeControlWin:
+  virtual bool ProcessMessage(UINT message,
+                              WPARAM w_param,
+                              LPARAM l_param,
+                              LRESULT* result);
+
+ protected:
+  virtual void CreateNativeControl();
+
+ private:
+  // The listbox we are bound to.
+  Listbox* listbox_;
+
+  // The strings shown in the listbox.
+  std::vector<string16> strings_;
+
+  // Listens to selection changes.
+  Listbox::Listener* listener_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeListboxWin);
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_LISTBOX_NATIVE_LISTBOX_WIN_H_