Use WebWidget from the WebKit API. This change also makes...

webkit/glue/webwidget.h

-// Copyright (c) 2006-2008 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 WEBKIT_GLUE_WEBWIDGET_H__
-#define WEBKIT_GLUE_WEBWIDGET_H__
-
-#include "skia/ext/platform_canvas.h"
-#include "webkit/glue/webtextdirection.h"
-
-namespace WebKit {
-class WebInputEvent;
-struct WebRect;
-struct WebSize;
-}
-
-class WebWidgetDelegate;
-
-class WebWidget {
- public:
-  WebWidget() {}
-
-  // This method creates a WebWidget that is initially invisible and positioned
-  // according to the given bounds relative to the specified parent window.
-  // The caller is responsible for showing the WebWidget's view window (see
-  // GetViewWindow) once it is ready to have the WebWidget appear on the screen.
-  static WebWidget* Create(WebWidgetDelegate* delegate);
-
-  // This method closes and deletes the WebWidget.
-  virtual void Close() = 0;
-
-  // Called to resize the WebWidget.
-  virtual void Resize(const WebKit::WebSize& new_size) = 0;
-
-  // Returns the current size of the WebWidget.
-  virtual WebKit::WebSize GetSize() = 0;
-
-  // Called to layout the WebWidget.  This MUST be called before Paint, and it
-  // may result in calls to WebWidgetDelegate::DidInvalidateRect.
-  virtual void Layout() = 0;
-
-  // Called to paint the specified region of the WebWidget onto the given canvas.
-  // You MUST call Layout before calling this method.  It is okay to call Paint
-  // multiple times once Layout has been called, assuming no other changes are
-  // made to the WebWidget (e.g., once events are processed, it should be assumed
-  // that another call to Layout is warranted before painting again).
-  virtual void Paint(skia::PlatformCanvas* canvas,
-                     const WebKit::WebRect& rect) = 0;
-
-  // Called to inform the WebWidget of an input event.
-  // Returns true if the event has been processed, false otherwise.
-  virtual bool HandleInputEvent(const WebKit::WebInputEvent* input_event) = 0;
-
-  // Called to inform the WebWidget that mouse capture was lost.
-  virtual void MouseCaptureLost() = 0;
-
-  // Called to inform the WebWidget that it has gained or lost keyboard focus.
-  virtual void SetFocus(bool enable) = 0;
-
-  // Called to inform the webwidget of a composition event from IMM
-  // (Input Method Manager).
-  virtual bool ImeSetComposition(int string_type, int cursor_position,
-                                 int target_start, int target_end,
-                                 const std::wstring& ime_string) = 0;
-
-  // Retrieve the status of this widget required by IME APIs.
-  virtual bool ImeUpdateStatus(bool* enable_ime,
-                               WebKit::WebRect* caret_rect) = 0;
-
-  // Changes the text direction of the selected input node.
-  virtual void SetTextDirection(WebTextDirection direction) = 0;
-
- protected:
-  virtual ~WebWidget() {}
-
- private:
-  DISALLOW_EVIL_CONSTRUCTORS(WebWidget);
-};
-
-#endif  // #ifndef WEBKIT_GLUE_WEBWIDGET_H__