Add experimental extension APIs to notify about wakeup and screen unlock

chrome/browser/extensions/extension_accessibility_api.cc

 // Copyright (c) 2011 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/extensions/extension_tabs_module.h"
 
 #include "base/json/json_writer.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_accessibility_api.h"
@@ skipping 47 matching lines @@
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_ACCESSIBILITY_MENU_OPENED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_ACCESSIBILITY_MENU_CLOSED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_ACCESSIBILITY_VOLUME_CHANGED,
                  content::NotificationService::AllSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_ACCESSIBILITY_SCREEN_UNLOCKED,
+                 content::NotificationService::AllSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_ACCESSIBILITY_WOKE_UP,
+                 content::NotificationService::AllSources());
 }
 
 ExtensionAccessibilityEventRouter::~ExtensionAccessibilityEventRouter() {
 }
 
 void ExtensionAccessibilityEventRouter::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
@@ skipping 22 matching lines @@
           content::Details<const AccessibilityMenuInfo>(details).ptr());
       break;
     case chrome::NOTIFICATION_ACCESSIBILITY_MENU_CLOSED:
       OnMenuClosed(
           content::Details<const AccessibilityMenuInfo>(details).ptr());
       break;
     case chrome::NOTIFICATION_ACCESSIBILITY_VOLUME_CHANGED:
       OnVolumeChanged(
           content::Details<const AccessibilityVolumeInfo>(details).ptr());
       break;
+    case chrome::NOTIFICATION_ACCESSIBILITY_SCREEN_UNLOCKED:
+      OnScreenUnlocked(
+          content::Details<const AccessibilityEmptyEventInfo>(details).ptr());
+      break;
+    case chrome::NOTIFICATION_ACCESSIBILITY_WOKE_UP:
+      OnWokeUp(
+          content::Details<const AccessibilityEmptyEventInfo>(details).ptr());
+      break;
     default:
       NOTREACHED();
   }
 }
 
 void ExtensionAccessibilityEventRouter::SetAccessibilityEnabled(bool enabled) {
   enabled_ = enabled;
 }
 
 bool ExtensionAccessibilityEventRouter::IsAccessibilityEnabled() const {
@@ skipping 43 matching lines @@
   std::string json_args = ControlInfoToJsonString(info);
   DispatchEvent(info->profile(), keys::kOnMenuClosed, json_args);
 }
 
 void ExtensionAccessibilityEventRouter::OnVolumeChanged(
     const AccessibilityVolumeInfo* info) {
   std::string json_args = ControlInfoToJsonString(info);
   DispatchEvent(info->profile(), keys::kOnVolumeChanged, json_args);
 }
 
+void ExtensionAccessibilityEventRouter::OnScreenUnlocked(
+    const AccessibilityEmptyEventInfo* info) {
+  std::string json_args = ControlInfoToJsonString(info);
+  DispatchEvent(info->profile(), keys::kOnScreenUnlocked, json_args);
+}
+
+void ExtensionAccessibilityEventRouter::OnWokeUp(
+    const AccessibilityEmptyEventInfo* info) {
+  std::string json_args = ControlInfoToJsonString(info);
+  DispatchEvent(info->profile(), keys::kOnWokeUp, json_args);
+}
+
 void ExtensionAccessibilityEventRouter::DispatchEvent(
     Profile* profile,
     const char* event_name,
     const std::string& json_args) {
   if (enabled_ && profile && profile->GetExtensionEventRouter()) {
     profile->GetExtensionEventRouter()->DispatchEventToRenderers(
         event_name, json_args, NULL, GURL());
   }
 }
 
@@ skipping 13 matching lines @@
       ExtensionAccessibilityEventRouter::GetInstance();
   DictionaryValue *last_focused_control_dict =
       accessibility_event_router->last_focused_control_dict();
   if (last_focused_control_dict->size()) {
     result_.reset(last_focused_control_dict->DeepCopyWithoutEmptyChildren());
   } else {
     result_.reset(Value::CreateNullValue());
   }
   return true;
 }