Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_widget_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_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/base/switches.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
-#include "content/browser/accessibility/accessibility_mode_helper.h"
-#include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/input/input_router_config_helper.h"
 #include "content/browser/renderer_host/input/input_router_impl.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
 #include "content/browser/renderer_host/input/timeout_monitor.h"
 #include "content/browser/renderer_host/input/touch_emulator.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
-#include "content/common/accessibility_messages.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/cursors/webcursor.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/host_shared_bitmap_manager.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
@@ skipping 112 matching lines @@
       surface_id_(0),
       is_loading_(false),
       is_hidden_(hidden),
       is_fullscreen_(false),
       repaint_ack_pending_(false),
       resize_ack_pending_(false),
       screen_info_out_of_date_(false),
       overdraw_bottom_height_(0.f),
       should_auto_resize_(false),
       waiting_for_screen_rects_ack_(false),
-      accessibility_mode_(AccessibilityModeOff),
       needs_repainting_on_restore_(false),
       is_unresponsive_(false),
       in_flight_event_count_(0),
       in_get_backing_store_(false),
       ignore_input_events_(false),
       input_method_active_(false),
       text_direction_updated_(false),
       text_direction_(blink::WebTextDirectionLeftToRight),
       text_direction_canceled_(false),
       suppress_next_char_events_(false),
@@ skipping 26 matching lines @@
       g_routing_id_widget_map.Get().insert(std::make_pair(
           RenderWidgetHostID(process->GetID(), routing_id_), this));
   CHECK(result.second) << "Inserting a duplicate item!";
   process_->AddRoute(routing_id_, this);
 
   // If we're initially visible, tell the process host that we're alive.
   // Otherwise we'll notify the process host when we are first shown.
   if (!hidden)
     process_->WidgetRestored();
 
-  accessibility_mode_ =
-      BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode();
-
   input_router_.reset(new InputRouterImpl(
       process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
 
   touch_emulator_.reset();
 
 #if defined(USE_AURA)
   bool overscroll_enabled = CommandLine::ForCurrentProcess()->
       GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) != "0";
   SetOverscrollControllerEnabled(overscroll_enabled);
 #endif
@@ skipping 616 matching lines @@
     hang_monitor_timeout_->Restart(
         base::TimeDelta::FromMilliseconds(hung_renderer_delay_ms_));
 }
 
 void RenderWidgetHostImpl::StopHangMonitorTimeout() {
   if (hang_monitor_timeout_)
     hang_monitor_timeout_->Stop();
   RendererIsResponsive();
 }
 
-void RenderWidgetHostImpl::EnableFullAccessibilityMode() {
-  AddAccessibilityMode(AccessibilityModeComplete);
-}
-
-bool RenderWidgetHostImpl::IsFullAccessibilityModeForTesting() {
-  return accessibility_mode() == AccessibilityModeComplete;
-}
-
-void RenderWidgetHostImpl::EnableTreeOnlyAccessibilityMode() {
-  AddAccessibilityMode(AccessibilityModeTreeOnly);
-}
-
-bool RenderWidgetHostImpl::IsTreeOnlyAccessibilityModeForTesting() {
-  return accessibility_mode() == AccessibilityModeTreeOnly;
-}
-
 void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
   ForwardMouseEventWithLatencyInfo(mouse_event, ui::LatencyInfo());
 }
 
 void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
       const blink::WebMouseEvent& mouse_event,
       const ui::LatencyInfo& ui_latency) {
   TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent",
                "x", mouse_event.x, "y", mouse_event.y);
 
@@ skipping 1054 matching lines @@
 
 void RenderWidgetHostImpl::SetBackgroundOpaque(bool opaque) {
   Send(new ViewMsg_SetBackgroundOpaque(GetRoutingID(), opaque));
 }
 
 void RenderWidgetHostImpl::SetEditCommandsForNextKeyEvent(
     const std::vector<EditCommand>& commands) {
   Send(new InputMsg_SetEditCommandsForNextKeyEvent(GetRoutingID(), commands));
 }
 
-void RenderWidgetHostImpl::AddAccessibilityMode(AccessibilityMode mode) {
-  SetAccessibilityMode(
-      content::AddAccessibilityModeTo(accessibility_mode_, mode));
-}
-
-void RenderWidgetHostImpl::RemoveAccessibilityMode(AccessibilityMode mode) {
-  SetAccessibilityMode(
-      content::RemoveAccessibilityModeFrom(accessibility_mode_, mode));
-}
-
-void RenderWidgetHostImpl::ResetAccessibilityMode() {
-  SetAccessibilityMode(
-      BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode());
-}
-
-void RenderWidgetHostImpl::SetAccessibilityMode(AccessibilityMode mode) {
-  accessibility_mode_ = mode;
-  Send(new ViewMsg_SetAccessibilityMode(GetRoutingID(), mode));
-}
-
-void RenderWidgetHostImpl::AccessibilitySetFocus(int object_id) {
-  Send(new AccessibilityMsg_SetFocus(GetRoutingID(), object_id));
-  view_->OnAccessibilitySetFocus(object_id);
-}
-
-void RenderWidgetHostImpl::AccessibilityDoDefaultAction(int object_id) {
-  Send(new AccessibilityMsg_DoDefaultAction(GetRoutingID(), object_id));
-}
-
-void RenderWidgetHostImpl::AccessibilityShowMenu(int object_id) {
-  view_->AccessibilityShowMenu(object_id);
-}
-
-void RenderWidgetHostImpl::AccessibilityScrollToMakeVisible(
-    int acc_obj_id, gfx::Rect subfocus) {
-  Send(new AccessibilityMsg_ScrollToMakeVisible(
-      GetRoutingID(), acc_obj_id, subfocus));
-}
-
-void RenderWidgetHostImpl::AccessibilityScrollToPoint(
-    int acc_obj_id, gfx::Point point) {
-  Send(new AccessibilityMsg_ScrollToPoint(
-      GetRoutingID(), acc_obj_id, point));
-}
-
-void RenderWidgetHostImpl::AccessibilitySetTextSelection(
-    int object_id, int start_offset, int end_offset) {
-  Send(new AccessibilityMsg_SetTextSelection(
-      GetRoutingID(), object_id, start_offset, end_offset));
-}
-
-bool RenderWidgetHostImpl::AccessibilityViewHasFocus() const {
-  return view_->HasFocus();
-}
-
-gfx::Rect RenderWidgetHostImpl::AccessibilityGetViewBounds() const {
-  return view_->GetViewBounds();
-}
-
-gfx::Point RenderWidgetHostImpl::AccessibilityOriginInScreen(
-    const gfx::Rect& bounds) const {
-  return view_->AccessibilityOriginInScreen(bounds);
-}
-
-void RenderWidgetHostImpl::AccessibilityFatalError() {
-  Send(new AccessibilityMsg_FatalError(GetRoutingID()));
-  view_->SetBrowserAccessibilityManager(NULL);
-}
-
-#if defined(OS_WIN)
-void RenderWidgetHostImpl::SetParentNativeViewAccessible(
-    gfx::NativeViewAccessible accessible_parent) {
-  if (view_)
-    view_->SetParentNativeViewAccessible(accessible_parent);
-}
-
-gfx::NativeViewAccessible
-RenderWidgetHostImpl::GetParentNativeViewAccessible() const {
-  return delegate_->GetParentNativeViewAccessible();
-}
-#endif
-
 void RenderWidgetHostImpl::ExecuteEditCommand(const std::string& command,
                                               const std::string& value) {
   Send(new InputMsg_ExecuteEditCommand(GetRoutingID(), command, value));
 }
 
 void RenderWidgetHostImpl::ScrollFocusedEditableNodeIntoRect(
     const gfx::Rect& rect) {
   Send(new InputMsg_ScrollFocusedEditableNodeIntoRect(GetRoutingID(), rect));
 }
 
@@ skipping 260 matching lines @@
       ++lc;
     }
   }
 
   // Add newly generated components into the latency info
   for (lc = new_components.begin(); lc != new_components.end(); ++lc) {
     latency_info->latency_components[lc->first] = lc->second;
   }
 }
 
+BrowserAccessibilityManager*
+    RenderWidgetHostImpl::GetRootBrowserAccessibilityManager() {
+  return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL;
+}
+
 SkBitmap::Config RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content