Add a new resizer corner overlay.

chrome/renderer/render_widget.cc

 // 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.
 
 #include "chrome/renderer/render_widget.h"
 
 #include "base/gfx/point.h"
 #include "base/gfx/size.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 211 matching lines @@
 
   // If there is a Send call on the stack, then it could be dangerous to close
   // now.  Instead, we wait until we get out of Send.
   if (render_thread_->InSend()) {
     DeferredCloses::Push(this);
   } else {
     Close();
   }
 }
 
-void RenderWidget::OnResize(const gfx::Size& new_size) {
+void RenderWidget::OnResize(const gfx::Size& new_size,
+                            const gfx::Rect& resizer_rect) {
   // During shutdown we can just ignore this message.
   if (!webwidget_)
     return;
 
+  // Remember the rect where the resize corner will be drawn.
+  resizer_rect_ = resizer_rect;
+
   // TODO(darin): We should not need to reset this here.
   is_hidden_ = false;
   needs_repainting_on_restore_ = false;
 
   // We shouldn't be asked to resize to our current size.
   DCHECK(size_ != new_size);
   size_ = new_size;
 
   // We should not be sent a Resize message if we have not ACK'd the previous
   DCHECK(!next_paint_is_resize_ack());
@@ skipping 440 matching lines @@
     initial_pos_ = pos;
   }
 }
 
 void RenderWidget::GetRootWindowRect(WebWidget* webwidget, gfx::Rect* rect) {
   Send(new ViewHostMsg_GetRootWindowRect(routing_id_, host_window_, rect));
 }
 
 void RenderWidget::GetRootWindowResizerRect(WebWidget* webwidget,
                                             gfx::Rect* rect) {
-  Send(new ViewHostMsg_GetRootWindowResizerRect(routing_id_, host_window_,
-                                                rect));
+  *rect = resizer_rect_;
 }
 
 void RenderWidget::OnImeSetInputMode(bool is_active) {
   // To prevent this renderer process from sending unnecessary IPC messages to
   // a browser process, we permit the renderer process to send IPC messages
   // only during the IME attached to the browser process is active.
   ime_is_active_ = is_active;
 }
 
 void RenderWidget::OnImeSetComposition(int string_type,
@@ skipping 117 matching lines @@
   for (; i < plugin_window_moves_.size(); ++i) {
     if (plugin_window_moves_[i].window == move.window) {
       plugin_window_moves_[i] = move;
       break;
     }
   }
 
   if (i == plugin_window_moves_.size())
     plugin_window_moves_.push_back(move);
 }