Beginning of an accessibility implementation for html_viewer.

mojo/services/html_viewer/html_document_view.cc

 // Copyright 2014 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 "mojo/services/html_viewer/html_document_view.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/single_thread_task_runner.h"
+#include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/cpp/system/data_pipe.h"
 #include "mojo/public/interfaces/application/shell.mojom.h"
 #include "mojo/services/html_viewer/blink_input_events_type_converters.h"
 #include "mojo/services/html_viewer/blink_url_request_type_converters.h"
 #include "mojo/services/html_viewer/weblayertreeview_impl.h"
 #include "mojo/services/html_viewer/webmediaplayer_factory.h"
 #include "mojo/services/html_viewer/webstoragenamespace_impl.h"
@@ skipping 67 matching lines @@
     URLResponsePtr response,
     ShellPtr shell,
     scoped_refptr<base::MessageLoopProxy> compositor_thread,
     WebMediaPlayerFactory* web_media_player_factory)
     : response_(response.Pass()),
       shell_(shell.Pass()),
       web_view_(NULL),
       root_(NULL),
       view_manager_client_factory_(shell_.get(), this),
       compositor_thread_(compositor_thread),
-      web_media_player_factory_(web_media_player_factory),
-      weak_factory_(this) {
+      web_media_player_factory_(web_media_player_factory) {
   shell_.set_client(this);
 }
 
 HTMLDocumentView::~HTMLDocumentView() {
+  STLDeleteElements(&ax_provider_impls_);
+
   if (web_view_)
     web_view_->close();
   if (root_)
     root_->RemoveObserver(this);
 }
 
 void HTMLDocumentView::AcceptConnection(const String& requestor_url,
                                         ServiceProviderPtr provider) {
+  exported_services_.AddService(this);
   exported_services_.AddService(&view_manager_client_factory_);
   WeakBindToPipe(&exported_services_, provider.PassMessagePipe());
   Load(response_.Pass());
 }
 
 void HTMLDocumentView::Initialize(Array<String> args) {
 }
 
 void HTMLDocumentView::OnEmbed(
     ViewManager* view_manager,
     View* root,
     ServiceProviderImpl* embedee_service_provider_impl,
     scoped_ptr<ServiceProvider> embedder_service_provider) {
   root_ = root;
   embedder_service_provider_ = embedder_service_provider.Pass();
   navigator_host_.set_service_provider(embedder_service_provider_.get());
 
   blink::WebSize root_size(root_->bounds().width, root_->bounds().height);
   web_view_->resize(root_size);
   web_layer_tree_view_impl_->setViewportSize(root_size);
   web_layer_tree_view_impl_->set_view(root_);
   root_->AddObserver(this);
 }
 
+void HTMLDocumentView::Create(ApplicationConnection* connection,
+                              InterfaceRequest<AxProvider> request) {
+  if (!web_view_)
+    return;
+  ax_provider_impls_.insert(
+      WeakBindToRequest(new AxProviderImpl(web_view_), &request));
+}
+
 void HTMLDocumentView::OnViewManagerDisconnected(ViewManager* view_manager) {
   // TODO(aa): Need to figure out how shutdown works.
 }
 
 void HTMLDocumentView::Load(URLResponsePtr response) {
   web_view_ = blink::WebView::create(this);
   web_layer_tree_view_impl_->set_widget(web_view_);
   ConfigureSettings(web_view_->settings());
   web_view_->setMainFrame(blink::WebLocalFrame::create(this));
 
@@ skipping 115 matching lines @@
 }
 
 void HTMLDocumentView::OnViewInputEvent(View* view, const EventPtr& event) {
   scoped_ptr<blink::WebInputEvent> web_event =
       event.To<scoped_ptr<blink::WebInputEvent> >();
   if (web_event)
     web_view_->handleInputEvent(*web_event);
 }
 
 }  // namespace mojo