Native Android accessibility.

content/browser/android/content_view_core_impl.cc

 // Copyright 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/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 14 matching lines @@
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/browser/ssl/ssl_host_state.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/browser/web_contents/web_contents_view_android.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
+#include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/page_transition_types.h"
@@ skipping 1520 matching lines @@
   // Send the override to the renderer.
   if (reload_on_state_change) {
     // Reloading the page will send the override down as part of the
     // navigation IPC message.
     NavigationControllerImpl& controller =
         static_cast<NavigationControllerImpl&>(web_contents_->GetController());
     controller.ReloadOriginalRequestURL(false);
   }
 }
 
+void ContentViewCoreImpl::SetAccessibilityEnabled(JNIEnv* env, jobject obj,
+                                                  bool enabled) {
+  RenderWidgetHostViewAndroid* host_view = GetRenderWidgetHostViewAndroid();
+  if (!host_view)
+    return;
+  RenderWidgetHostImpl* host_impl = RenderWidgetHostImpl::From(
+      host_view->GetRenderWidgetHost());
+  if (enabled) {
+    BrowserAccessibilityState::GetInstance()->EnableAccessibility();
+    if (host_impl)
+      host_impl->SetAccessibilityMode(AccessibilityModeComplete);
+  } else {
+    BrowserAccessibilityState::GetInstance()->DisableAccessibility();
+    if (host_impl)
+      host_impl->SetAccessibilityMode(AccessibilityModeOff);
+  }
+}
+
 // This is called for each ContentView.
 jint Init(JNIEnv* env, jobject obj,
           jboolean hardware_accelerated,
           jint native_web_contents,
           jint view_android,
           jint window_android) {
   ContentViewCoreImpl* view = new ContentViewCoreImpl(
       env, obj, hardware_accelerated,
       reinterpret_cast<WebContents*>(native_web_contents),
       reinterpret_cast<ui::ViewAndroid*>(view_android),
       reinterpret_cast<ui::WindowAndroid*>(window_android));
   return reinterpret_cast<jint>(view);
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content