Add an accessibility mode for editable text fields only.

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 410 matching lines @@
     int32 opener_id,
     const content::RendererPreferences& renderer_prefs,
     const WebPreferences& webkit_prefs,
     SharedRenderViewCounter* counter,
     int32 routing_id,
     int32 surface_id,
     int64 session_storage_namespace_id,
     const string16& frame_name,
     int32 next_page_id,
     const WebKit::WebScreenInfo& screen_info,
-    bool guest)
+    bool guest,
+    AccessibilityMode accessibility_mode)
     : RenderWidget(WebKit::WebPopupTypeNone, screen_info),
       webkit_preferences_(webkit_prefs),
       send_content_state_immediately_(false),
       enabled_bindings_(0),
       send_preferred_size_changes_(false),
       is_loading_(false),
       navigation_gesture_(NavigationGestureUnknown),
       opened_by_user_gesture_(true),
       opener_suppressed_(false),
       page_id_(-1),
@@ skipping 18 matching lines @@
       p2p_socket_dispatcher_(NULL),
       devtools_agent_(NULL),
       renderer_accessibility_(NULL),
       mouse_lock_dispatcher_(NULL),
       session_storage_namespace_id_(session_storage_namespace_id),
       handling_select_range_(false),
 #if defined(OS_WIN)
       focused_plugin_id_(-1),
 #endif
       guest_(guest),
+      accessibility_mode_(accessibility_mode),
       ALLOW_THIS_IN_INITIALIZER_LIST(pepper_delegate_(this)) {
   routing_id_ = routing_id;
   surface_id_ = surface_id;
   if (opener_id != MSG_ROUTING_NONE)
     opener_id_ = opener_id;
 
   // Ensure we start with a valid next_page_id_ from the browser.
   DCHECK_GE(next_page_id_, 0);
 
 #if defined(ENABLE_NOTIFICATIONS)
@@ skipping 50 matching lines @@
 #endif
 
   new MHTMLGenerator(this);
 #if defined(OS_MACOSX)
   new TextInputClientObserver(this);
 #endif  // defined(OS_MACOSX)
 
   // The next group of objects all implement RenderViewObserver, so are deleted
   // along with the RenderView automatically.
   devtools_agent_ = new DevToolsAgent(this);
-  renderer_accessibility_ = new RendererAccessibility(this);
+  renderer_accessibility_ = new RendererAccessibility(this, accessibility_mode);
   mouse_lock_dispatcher_ = new MouseLockDispatcher(this);
   intents_host_ = new WebIntentsHost(this);
 
   new IdleUserDetector(this);
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kDomAutomationController))
     enabled_bindings_ |= content::BINDINGS_POLICY_DOM_AUTOMATION;
 
   ProcessViewLayoutFlags(command_line);
@@ skipping 69 matching lines @@
     int32 opener_id,
     const content::RendererPreferences& renderer_prefs,
     const WebPreferences& webkit_prefs,
     SharedRenderViewCounter* counter,
     int32 routing_id,
     int32 surface_id,
     int64 session_storage_namespace_id,
     const string16& frame_name,
     int32 next_page_id,
     const WebKit::WebScreenInfo& screen_info,
-    bool guest) {
+    bool guest,
+    AccessibilityMode accessibility_mode) {
   DCHECK(routing_id != MSG_ROUTING_NONE);
   return new RenderViewImpl(
       parent_hwnd,
       opener_id,
       renderer_prefs,
       webkit_prefs,
       counter,
       routing_id,
       surface_id,
       session_storage_namespace_id,
       frame_name,
       next_page_id,
       screen_info,
-      guest);
+      guest,
+      accessibility_mode);
 }
 
 WebKit::WebPeerConnectionHandler* RenderViewImpl::CreatePeerConnectionHandler(
     WebKit::WebPeerConnectionHandlerClient* client) {
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   if (!cmd_line->HasSwitch(switches::kEnableMediaStream))
     return NULL;
   EnsureMediaStreamImpl();
   if (!media_stream_impl_.get())
     return NULL;
@@ skipping 838 matching lines @@
       routing_id_,
       renderer_preferences_,
       webkit_preferences_,
       shared_popup_counter_,
       routing_id,
       surface_id,
       cloned_session_storage_namespace_id,
       frame_name,
       1,
       screen_info_,
-      guest_);
+      guest_,
+      accessibility_mode_);
   view->opened_by_user_gesture_ = params.user_gesture;
 
   // Record whether the creator frame is trying to suppress the opener field.
   view->opener_suppressed_ = params.opener_suppressed;
 
   // Record the security origin of the creator.
   GURL creator_url(creator->document().securityOrigin().toString().utf8());
   if (!creator_url.is_valid() || !creator_url.IsStandard())
     creator_url = GURL();
   view->creator_url_ = creator_url;
@@ skipping 3719 matching lines @@
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return !!RenderThreadImpl::current()->compositor_thread();
 }
 
 void RenderViewImpl::OnJavaBridgeInit() {
   DCHECK(!java_bridge_dispatcher_.get());
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this));
 #endif
 }