Move UI-relevant Windows files to ui/base.

app/win/window_impl.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 APP_WIN_WINDOW_IMPL_H_
-#define APP_WIN_WINDOW_IMPL_H_
-#pragma once
-
-#include <atlbase.h>
-#include <atlapp.h>
-#include <atlmisc.h>
-#include <atlcrack.h>
-
-#include <string>
-
-#include "base/logging.h"
-#include "gfx/native_widget_types.h"
-#include "gfx/rect.h"
-
-namespace app {
-namespace win {
-
-// An interface implemented by classes that use message maps.
-// ProcessWindowMessage is implemented by the BEGIN_MESSAGE_MAP_EX macro.
-class MessageMapInterface {
- public:
-  // Processes one message from the window's message queue.
-  virtual BOOL ProcessWindowMessage(HWND window,
-                                    UINT message,
-                                    WPARAM w_param,
-                                    LPARAM l_param,
-                                    LRESULT& result,
-                                    DWORD msg_mad_id = 0) = 0;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-//
-// WindowImpl
-//  A convenience class that encapsulates the details of creating and
-//  destroying a HWND.  This class also hosts the windows procedure used by all
-//  Windows.
-//
-///////////////////////////////////////////////////////////////////////////////
-class WindowImpl : public MessageMapInterface {
- public:
-  WindowImpl();
-  virtual ~WindowImpl();
-
-  // Initializes the Window with a parent and an initial desired size.
-  void Init(HWND parent, const gfx::Rect& bounds);
-
-  // Retrieves the default window icon to use for windows if none is specified.
-  virtual HICON GetDefaultWindowIcon() const;
-
-  // Returns the HWND associated with this Window.
-  HWND hwnd() const { return hwnd_; }
-
-  // Sets the window styles. This is ONLY used when the window is created.
-  // In other words, if you invoke this after invoking Init, nothing happens.
-  void set_window_style(DWORD style) { window_style_ = style; }
-  DWORD window_style() const { return window_style_; }
-
-  // Sets the extended window styles. See comment about |set_window_style|.
-  void set_window_ex_style(DWORD style) { window_ex_style_ = style; }
-  DWORD window_ex_style() const { return window_ex_style_; }
-
-  // Sets the class style to use. The default is CS_DBLCLKS.
-  void set_initial_class_style(UINT class_style) {
-    // We dynamically generate the class name, so don't register it globally!
-    DCHECK_EQ((class_style & CS_GLOBALCLASS), 0u);
-    class_style_ = class_style;
-  }
-  UINT initial_class_style() const { return class_style_; }
-
-  // Returns true if the specified |hwnd| is a WindowImpl.
-  static bool IsWindowImpl(HWND hwnd);
-
- protected:
-  // Handles the WndProc callback for this object.
-  virtual LRESULT OnWndProc(UINT message, WPARAM w_param, LPARAM l_param);
-
- private:
-  friend class ClassRegistrar;
-
-  // The window procedure used by all Windows.
-  static LRESULT CALLBACK WndProc(HWND window,
-                                  UINT message,
-                                  WPARAM w_param,
-                                  LPARAM l_param);
-
-  // Gets the window class name to use when creating the corresponding HWND.
-  // If necessary, this registers the window class.
-  std::wstring GetWindowClassName();
-
-  // All classes registered by WidgetWin start with this name.
-  static const wchar_t* const kBaseClassName;
-
-  // Window Styles used when creating the window.
-  DWORD window_style_;
-
-  // Window Extended Styles used when creating the window.
-  DWORD window_ex_style_;
-
-  // Style of the class to use.
-  UINT class_style_;
-
-  // Our hwnd.
-  HWND hwnd_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowImpl);
-};
-
-}  // namespace win
-}  // namespace app
-
-#endif  // APP_WIN_WINDOW_IMPL_H_