Initial support for native accessibility in ARC

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/process/kill.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
-#include "content/browser/accessibility/ax_tree_id_registry.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/bluetooth/web_bluetooth_service_impl.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/download/mhtml_generation_manager.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/debug_urls.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 70 matching lines @@
 #include "device/wake_lock/wake_lock_service_context.h"
 #include "media/base/media_switches.h"
 #include "media/media_features.h"
 #include "media/mojo/interfaces/media_service.mojom.h"
 #include "media/mojo/interfaces/remoting.mojom.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "ui/accessibility/ax_tree.h"
+#include "ui/accessibility/ax_tree_id_registry.h"
 #include "ui/accessibility/ax_tree_update.h"
 #include "ui/gfx/geometry/quad_f.h"
 #include "url/gurl.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/android/app_web_message_port_message_filter.h"
 #include "content/public/browser/android/java_interfaces.h"
 #include "content/browser/media/android/media_player_renderer.h"
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/video_renderer_sink.h"
@@ skipping 170 matching lines @@
 }
 
 // static
 RenderFrameHost* RenderFrameHost::FromAXTreeID(
     int ax_tree_id) {
   return RenderFrameHostImpl::FromAXTreeID(ax_tree_id);
 }
 
 // static
 RenderFrameHostImpl* RenderFrameHostImpl::FromAXTreeID(
-    AXTreeIDRegistry::AXTreeID ax_tree_id) {
+    ui::AXTreeIDRegistry::AXTreeID ax_tree_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  AXTreeIDRegistry::FrameID frame_id =
-      AXTreeIDRegistry::GetInstance()->GetFrameID(ax_tree_id);
+  ui::AXTreeIDRegistry::FrameID frame_id =
+      ui::AXTreeIDRegistry::GetInstance()->GetFrameID(ax_tree_id);
   return RenderFrameHostImpl::FromID(frame_id.first, frame_id.second);
 }
 
 RenderFrameHostImpl::RenderFrameHostImpl(SiteInstance* site_instance,
                                          RenderViewHostImpl* render_view_host,
                                          RenderFrameHostDelegate* delegate,
                                          RenderWidgetHostDelegate* rwh_delegate,
                                          FrameTree* frame_tree,
                                          FrameTreeNode* frame_tree_node,
                                          int32_t routing_id,
@@ skipping 14 matching lines @@
       is_waiting_for_swapout_ack_(false),
       render_frame_created_(false),
       navigations_suspended_(false),
       is_waiting_for_beforeunload_ack_(false),
       unload_ack_is_for_navigation_(false),
       is_loading_(false),
       pending_commit_(false),
       nav_entry_id_(0),
       accessibility_reset_token_(0),
       accessibility_reset_count_(0),
-      browser_plugin_embedder_ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID),
+      browser_plugin_embedder_ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
       no_create_browser_accessibility_manager_for_testing_(false),
       web_ui_type_(WebUI::kNoWebUI),
       pending_web_ui_type_(WebUI::kNoWebUI),
       should_reuse_web_ui_(false),
       has_selection_(false),
       last_navigation_previews_state_(PREVIEWS_UNSPECIFIED),
       frame_host_binding_(this),
       waiting_for_init_(renderer_initiated_creation),
       has_focused_editable_element_(false),
       weak_ptr_factory_(this) {
@@ skipping 100 matching lines @@
 
   // Notify the FrameTree that this RFH is going away, allowing it to shut down
   // the corresponding RenderViewHost if it is no longer needed.
   frame_tree_->ReleaseRenderViewHostRef(render_view_host_);
 }
 
 int RenderFrameHostImpl::GetRoutingID() {
   return routing_id_;
 }
 
-AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::GetAXTreeID() {
-  return AXTreeIDRegistry::GetInstance()->GetOrCreateAXTreeID(
+ui::AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::GetAXTreeID() {
+  return ui::AXTreeIDRegistry::GetInstance()->GetOrCreateAXTreeID(
       GetProcess()->GetID(), routing_id_);
 }
 
 SiteInstanceImpl* RenderFrameHostImpl::GetSiteInstance() {
   return site_instance_.get();
 }
 
 RenderProcessHost* RenderFrameHostImpl::GetProcess() {
   return process_;
 }
@@ skipping 2783 matching lines @@
          frame_tree_node_->current_url().SchemeIs(kChromeDevToolsScheme) ||
          ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings(
              GetProcess()->GetID()) ||
          // It's possible to load about:blank in a Web UI renderer.
          // See http://crbug.com/42547
          (frame_tree_node_->current_url().spec() == url::kAboutBlankURL) ||
          // InterstitialPageImpl should be the only case matching this.
          (delegate_->GetAsWebContents() == nullptr);
 }
 
-AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::RoutingIDToAXTreeID(
+ui::AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::RoutingIDToAXTreeID(
     int routing_id) {
   RenderFrameHostImpl* rfh = nullptr;
   RenderFrameProxyHost* rfph = RenderFrameProxyHost::FromID(
       GetProcess()->GetID(), routing_id);
   if (rfph) {
     FrameTree* frame_tree = rfph->frame_tree_node()->frame_tree();
     FrameTreeNode* frame_tree_node = frame_tree->FindByRoutingID(
         GetProcess()->GetID(), routing_id);
     rfh = frame_tree_node->render_manager()->current_frame_host();
   } else {
     rfh = RenderFrameHostImpl::FromID(GetProcess()->GetID(), routing_id);
 
     // As a sanity check, make sure we're within the same frame tree and
     // crash the renderer if not.
     if (rfh &&
         rfh->frame_tree_node()->frame_tree() !=
             frame_tree_node()->frame_tree()) {
       AccessibilityFatalError();
-      return AXTreeIDRegistry::kNoAXTreeID;
+      return ui::AXTreeIDRegistry::kNoAXTreeID;
     }
   }
 
   if (!rfh)
-    return AXTreeIDRegistry::kNoAXTreeID;
+    return ui::AXTreeIDRegistry::kNoAXTreeID;
 
   return rfh->GetAXTreeID();
 }
 
-AXTreeIDRegistry::AXTreeID
-RenderFrameHostImpl::BrowserPluginInstanceIDToAXTreeID(
-    int instance_id) {
+ui::AXTreeIDRegistry::AXTreeID
+RenderFrameHostImpl::BrowserPluginInstanceIDToAXTreeID(int instance_id) {
   RenderFrameHostImpl* guest = static_cast<RenderFrameHostImpl*>(
       delegate()->GetGuestByInstanceID(this, instance_id));
   if (!guest)
-    return AXTreeIDRegistry::kNoAXTreeID;
+    return ui::AXTreeIDRegistry::kNoAXTreeID;
 
   // Create a mapping from the guest to its embedder's AX Tree ID, and
   // explicitly update the guest to propagate that mapping immediately.
   guest->set_browser_plugin_embedder_ax_tree_id(GetAXTreeID());
   guest->UpdateAXTreeData();
 
   return guest->GetAXTreeID();
 }
 
 void RenderFrameHostImpl::AXContentNodeDataToAXNodeData(
@@ skipping 30 matching lines @@
 
   // Copy the common fields.
   *dst = src;
 
   if (src.routing_id != -1)
     dst->tree_id = RoutingIDToAXTreeID(src.routing_id);
 
   if (src.parent_routing_id != -1)
     dst->parent_tree_id = RoutingIDToAXTreeID(src.parent_routing_id);
 
-  if (browser_plugin_embedder_ax_tree_id_ != AXTreeIDRegistry::kNoAXTreeID)
+  if (browser_plugin_embedder_ax_tree_id_ != ui::AXTreeIDRegistry::kNoAXTreeID)
     dst->parent_tree_id = browser_plugin_embedder_ax_tree_id_;
 
   // If this is not the root frame tree node, we're done.
   if (frame_tree_node()->parent())
     return;
 
   // For the root frame tree node, also store the AXTreeID of the focused frame.
   // TODO(avallee): https://crbug.com/610795: No focus ax events.
   // This is probably where we need to fix the bug to enable the test.
   FrameTreeNode* focused_frame_tree_node = frame_tree_->GetFocusedFrame();
@@ skipping 144 matching lines @@
   // There is no pending NavigationEntry in these cases, so pass 0 as the
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, params.redirects, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, false);  // started_from_context_menu
 }
 
 }  // namespace content