Adds propagation and handling of render-side focus events, for the benefit of...

chrome/renderer/render_view.cc

 // 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.
 
 #include "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 73 matching lines @@
 //   * views
 #include "base/gfx/gdi_util.h"
 #include "base/gfx/native_theme.h"
 #include "chrome/common/gfx/emf.h"
 #include "skia/ext/vector_canvas.h"
 #include "views/controls/message_box_view.h"
 #endif
 
 using base::Time;
 using base::TimeDelta;
-using webkit_glue::WebAccessibility;
 using WebKit::WebConsoleMessage;
 using WebKit::WebDragData;
 using WebKit::WebRect;
 using WebKit::WebScriptSource;
 using WebKit::WebWorker;
 using WebKit::WebWorkerClient;
 
 //-----------------------------------------------------------------------------
 
 // define to write the time necessary for thumbnail/DOM text retrieval,
@@ skipping 1930 matching lines @@
                                   bool errored,
                                   const SkBitmap& image) {
   Send(new ViewHostMsg_DidDownloadImage(routing_id_, id, image_url, errored,
                                         image));
 }
 
 
 void RenderView::OnDownloadImage(int id,
                                  const GURL& image_url,
                                  int image_size) {
-
   bool data_image_failed = false;
   if (image_url.SchemeIs("data")) {
     SkBitmap data_image = ImageFromDataUrl(image_url);
     data_image_failed = data_image.empty();
     if (!data_image_failed) {
       Send(new ViewHostMsg_DidDownloadImage(routing_id_, id, image_url, false,
                                             data_image));
     }
   }
 
@@ skipping 685 matching lines @@
   NOTIMPLEMENTED();
 #endif
 }
 
 void RenderView::OnClearAccessibilityInfo(int acc_obj_id, bool clear_all) {
 #if defined(OS_WIN)
   if (!web_accessibility_manager_.get()) {
     // If accessibility is not activated, ignore clearing message.
     return;
   }
+
   if (!web_accessibility_manager_->ClearAccObjMap(acc_obj_id, clear_all))
     return;
+
 #else  // defined(OS_WIN)
   // TODO(port): accessibility not yet implemented
   NOTIMPLEMENTED();
 #endif
 }
 
 void RenderView::OnGetAllSavableResourceLinksForCurrentPage(
     const GURL& page_url) {
   // Prepare list to storage all savable resource links.
   std::vector<GURL> resources_list;
@@ skipping 237 matching lines @@
     }
   }
   UMA_HISTOGRAM_TIMES("Renderer.All.StartToFinishDoc", start_to_finish_doc);
   UMA_HISTOGRAM_TIMES("Renderer.All.FinishDocToFinish", finish_doc_to_finish);
   UMA_HISTOGRAM_TIMES("Renderer.All.StartToFinish", start_to_finish);
   if (start_to_first_layout.ToInternalValue() >= 0) {
     UMA_HISTOGRAM_TIMES(
       "Renderer.All.StartToFirstLayout", start_to_first_layout);
   }
 }
+
+void RenderView::FocusAccessibilityObject(
+    WebCore::AccessibilityObject* acc_obj) {
+#if defined(OS_WIN)
+  if (!web_accessibility_manager_.get()) {
+    web_accessibility_manager_.reset(
+        webkit_glue::WebAccessibilityManager::Create());
+  }
+
+  // Retrieve the accessibility object id of the AccessibilityObject.
+  int acc_obj_id = web_accessibility_manager_->FocusAccObj(acc_obj);
+
+  // If id is valid, alert the browser side that an accessibility focus change
+  // occurred.
+  if (acc_obj_id >= 0)
+    Send(new ViewHostMsg_AccessibilityFocusChange(routing_id_, acc_obj_id));
+
+#else  // defined(OS_WIN)
+  // TODO(port): accessibility not yet implemented
+  NOTIMPLEMENTED();
+#endif
+}