Add an accessibility mode for editable text fields only.

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/cross_site_request_manager.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/in_process_webkit/dom_storage_context_impl.h"
 #include "content/browser/power_save_blocker.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/common/accessibility_messages.h"
 #include "content/common/desktop_notification_messages.h"
 #include "content/common/drag_messages.h"
 #include "content/common/inter_process_time_ticks_converter.h"
 #include "content/common/speech_recognition_messages.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
 #include "content/port/browser/render_widget_host_view_port.h"
+#include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/dom_operation_notification_details.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/render_view_host_observer.h"
@@ skipping 151 matching lines @@
 }
 
 bool RenderViewHostImpl::CreateRenderView(const string16& frame_name,
                                           int32 max_page_id) {
   DCHECK(!IsRenderViewLive()) << "Creating view twice";
 
   // The process may (if we're sharing a process with another host that already
   // initialized it) or may not (we have our own process or the old process
   // crashed) have been initialized. Calling Init multiple times will be
   // ignored, so this is safe.
-  if (!GetProcess()->Init(renderer_accessible()))
+  if (!GetProcess()->Init())
     return false;
   DCHECK(GetProcess()->HasConnection());
   DCHECK(GetProcess()->GetBrowserContext());
 
   renderer_initialized_ = true;
 
   GpuSurfaceTracker::Get()->SetSurfaceHandle(
       surface_id(), GetCompositingSurface());
 
   // Ensure the RenderView starts with a next_page_id larger than any existing
@@ skipping 19 matching lines @@
   } else {
     content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
         &params.screen_info);
   }
 #else
   params.screen_info =
       WebKit::WebScreenInfoFactory::screenInfo(
           gfx::NativeViewFromId(GetNativeViewId()));
 #endif
   params.guest = guest_;
+  params.accessibility_mode =
+      BrowserAccessibilityState::GetInstance()->IsAccessibleBrowser() ?
+          AccessibilityModeComplete :
+          AccessibilityModeOff;
+
+#if defined(OS_WIN)
+  // On Windows 8, always enable accessibility for editable text controls
+  // so we can show the virtual keyboard when one is enabled.
+  if (base::win::GetVersion() >= base::win::VERSION_WIN8 &&
+      params.accessibility_mode == AccessibilityModeOff) {
+    params.accessibility_mode = AccessibilityModeEditableTextOnly;
+  }
+#endif
 
   Send(new ViewMsg_New(params));
 
   // If it's enabled, tell the renderer to set up the Javascript bindings for
   // sending messages back to the browser.
   Send(new ViewMsg_AllowBindings(GetRoutingID(), enabled_bindings_));
   // Let our delegate know that we created a RenderView.
   delegate_->RenderViewCreated(this);
 
   // Invert the color scheme if the operating system's color scheme is
@@ skipping 1469 matching lines @@
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
 }  // namespace content