Native Android accessibility.

content/browser/renderer_host/render_widget_host_view_android.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_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "cc/layers/delegated_renderer_layer.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/texture_layer.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
+#include "content/browser/accessibility/browser_accessibility_manager_android.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/android/overscroll_glow.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/renderer_host/compositor_impl_android.h"
 #include "content/browser/renderer_host/image_transport_factory_android.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/surface_texture_transport_client_android.h"
 #include "content/browser/renderer_host/touch_smooth_scroll_gesture_android.h"
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/gpu_messages.h"
@@ skipping 777 matching lines @@
 }
 
 InputEventAckState RenderWidgetHostViewAndroid::FilterInputEvent(
     const WebKit::WebInputEvent& input_event) {
   if (!content_view_core_)
     return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
 
   return content_view_core_->FilterInputEvent(input_event);
 }
 
 void RenderWidgetHostViewAndroid::OnAccessibilityNotifications(

[David Trainor- moved to gerrit, 2013/06/04 20:27:18]

What causes this event to be thrown?  Ideally we'll *never* get these events
unless accessibility is turned on at the Android Framework level.

[dmazzoni, 2013/06/07 20:23:16]

That's correct - they won't even be sent until the renderer is
told to start sending accessibility notifications.

     const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
+  if (!GetBrowserAccessibilityManager()) {
+    SetBrowserAccessibilityManager(
+        new BrowserAccessibilityManagerAndroid(
+            content_view_core_,
+            BrowserAccessibilityManagerAndroid::GetEmptyDocument(),
+            this));
+  }
+  GetBrowserAccessibilityManager()->OnAccessibilityNotifications(params);
+}
+
+void RenderWidgetHostViewAndroid::SetAccessibilityFocus(int acc_obj_id) {
+  if (!host_)
+    return;
+
+  LOG(INFO) << "SetAccessibilityFocus";

[David Trainor- moved to gerrit, 2013/06/04 20:27:18]

Remove

[dmazzoni, 2013/06/07 20:23:16]

Done.

+  host_->AccessibilitySetFocus(acc_obj_id);
+}
+
+void RenderWidgetHostViewAndroid::AccessibilityDoDefaultAction(int acc_obj_id) {
+  if (!host_)
+    return;
+
+  host_->AccessibilityDoDefaultAction(acc_obj_id);
+}
+
+void RenderWidgetHostViewAndroid::AccessibilityScrollToMakeVisible(
+    int acc_obj_id, gfx::Rect subfocus) {
+  if (!host_)
+    return;
+
+  host_->AccessibilityScrollToMakeVisible(acc_obj_id, subfocus);
+}
+
+void RenderWidgetHostViewAndroid::AccessibilityScrollToPoint(
+    int acc_obj_id, gfx::Point point) {
+  if (!host_)
+    return;
+
+  host_->AccessibilityScrollToPoint(acc_obj_id, point);
+}
+
+void RenderWidgetHostViewAndroid::AccessibilitySetTextSelection(
+    int acc_obj_id, int start_offset, int end_offset) {
+  if (!host_)
+    return;
+
+  host_->AccessibilitySetTextSelection(
+      acc_obj_id, start_offset, end_offset);
+}
+
+gfx::Point RenderWidgetHostViewAndroid::GetLastTouchEventLocation() const {
+  NOTIMPLEMENTED();
+  // Only used on Win8
+  return gfx::Point();
+}
+
+void RenderWidgetHostViewAndroid::FatalAccessibilityTreeError() {
+  host_->FatalAccessibilityTreeError();
+  SetBrowserAccessibilityManager(NULL);
 }
 
 bool RenderWidgetHostViewAndroid::LockMouse() {
   NOTIMPLEMENTED();
   return false;
 }
 
 void RenderWidgetHostViewAndroid::UnlockMouse() {
   NOTIMPLEMENTED();
 }
@@ skipping 165 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content