Enable chrome.automation.getDesktop on all aura platforms.

chrome/browser/ui/aura/accessibility/automation_manager_aura.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 "chrome/browser/ui/ash/accessibility/automation_manager_ash.h"
+#include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 
 #include <vector>
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/automation_internal/automation_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/browser_context.h"
 #include "ui/aura/window.h"
 #include "ui/views/accessibility/ax_aura_obj_cache.h"
 #include "ui/views/accessibility/ax_aura_obj_wrapper.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 using content::BrowserContext;
 
 // static
-AutomationManagerAsh* AutomationManagerAsh::GetInstance() {
-  return Singleton<AutomationManagerAsh>::get();
+AutomationManagerAura* AutomationManagerAura::GetInstance() {
+  return Singleton<AutomationManagerAura>::get();
 }
 
-void AutomationManagerAsh::Enable(BrowserContext* context) {
+void AutomationManagerAura::Enable(BrowserContext* context) {
   enabled_ = true;
   if (!current_tree_.get())
-    current_tree_.reset(new AXTreeSourceAsh());
+    current_tree_.reset(new AXTreeSourceAura());
   ResetSerializer();
   SendEvent(context, current_tree_->GetRoot(), ui::AX_EVENT_LOAD_COMPLETE);
   if (!pending_alert_text_.empty()) {
     HandleAlert(context, pending_alert_text_);
     pending_alert_text_.clear();
   }
 }
 
-void AutomationManagerAsh::Disable() {
+void AutomationManagerAura::Disable() {
   enabled_ = false;
 
   // Reset the serializer to save memory.
   current_tree_serializer_->Reset();
 }
 
-void AutomationManagerAsh::HandleEvent(BrowserContext* context,
-                                         views::View* view,
-                                         ui::AXEvent event_type) {
+void AutomationManagerAura::HandleEvent(BrowserContext* context,
+                                        views::View* view,
+                                        ui::AXEvent event_type) {
   if (!enabled_)
     return;
 
   if (!context && g_browser_process->profile_manager())
     context = g_browser_process->profile_manager()->GetLastUsedProfile();
 
   if (!context) {
     LOG(WARNING) << "Accessibility notification but no browser context";
     return;
   }
 
   views::AXAuraObjWrapper* aura_obj =
       views::AXAuraObjCache::GetInstance()->GetOrCreate(view);
+
+  if (processing_events_) {
+    pending_events_.push_back(std::make_pair(aura_obj, event_type));
+    return;
+  }
+
+  processing_events_ = true;
   SendEvent(context, aura_obj, event_type);
+
+  for (size_t i = 0; i < pending_events_.size(); ++i)
+    SendEvent(context, pending_events_[i].first, pending_events_[i].second);
+
+  processing_events_ = false;
+  pending_events_.clear();
 }
 
-void AutomationManagerAsh::HandleAlert(content::BrowserContext* context,
-                                       const std::string& text) {
+void AutomationManagerAura::HandleAlert(content::BrowserContext* context,
+                                        const std::string& text) {
   if (!enabled_) {
     pending_alert_text_ = text;
     return;
   }
 
   views::AXAuraObjWrapper* obj =
       static_cast<AXRootObjWrapper*>(current_tree_->GetRoot())
           ->GetAlertForText(text);
   SendEvent(context, obj, ui::AX_EVENT_ALERT);
 }
 
-void AutomationManagerAsh::DoDefault(int32 id) {
+void AutomationManagerAura::DoDefault(int32 id) {
   CHECK(enabled_);
   current_tree_->DoDefault(id);
 }
 
-void AutomationManagerAsh::Focus(int32 id) {
+void AutomationManagerAura::Focus(int32 id) {
   CHECK(enabled_);
   current_tree_->Focus(id);
 }
 
-void AutomationManagerAsh::MakeVisible(int32 id) {
+void AutomationManagerAura::MakeVisible(int32 id) {
   CHECK(enabled_);
   current_tree_->MakeVisible(id);
 }
 
-void AutomationManagerAsh::SetSelection(int32 id, int32 start, int32 end) {
+void AutomationManagerAura::SetSelection(int32 id, int32 start, int32 end) {
   CHECK(enabled_);
   current_tree_->SetSelection(id, start, end);
 }
 
-AutomationManagerAsh::AutomationManagerAsh() : enabled_(false) {
+AutomationManagerAura::AutomationManagerAura()
+    : enabled_(false), processing_events_(false) {
 }
 
-AutomationManagerAsh::~AutomationManagerAsh() {}
-
-void AutomationManagerAsh::ResetSerializer() {
-  current_tree_serializer_.reset(
-      new ui::AXTreeSerializer<views::AXAuraObjWrapper*>(
-          current_tree_.get()));
+AutomationManagerAura::~AutomationManagerAura() {
 }
 
-void AutomationManagerAsh::SendEvent(BrowserContext* context,
-                                       views::AXAuraObjWrapper* aura_obj,
-                                       ui::AXEvent event_type) {
+void AutomationManagerAura::ResetSerializer() {
+  current_tree_serializer_.reset(
+      new ui::AXTreeSerializer<views::AXAuraObjWrapper*>(current_tree_.get()));
+}
+
+void AutomationManagerAura::SendEvent(BrowserContext* context,
+                                      views::AXAuraObjWrapper* aura_obj,
+                                      ui::AXEvent event_type) {
   ui::AXTreeUpdate update;
   current_tree_serializer_->SerializeChanges(aura_obj, &update);
 
   // Route this event to special process/routing ids recognized by the
   // Automation API as the desktop tree.
   // TODO(dtseng): Would idealy define these special desktop constants in idl.
-  content::AXEventNotificationDetails detail(update.node_id_to_clear,
-                                             update.nodes,
-                                             event_type,
-                                             aura_obj->GetID(),
-                                             0, /* process_id */
-                                             0 /* routing_id */);
+  content::AXEventNotificationDetails detail(
+      update.node_id_to_clear, update.nodes, event_type, aura_obj->GetID(),
+      0, /* process_id */
+      0 /* routing_id */);
   std::vector<content::AXEventNotificationDetails> details;
   details.push_back(detail);
   extensions::automation_util::DispatchAccessibilityEventsToAutomation(
       details, context, gfx::Vector2d());
 }