Move Speak() in accessibility_utils, speak enable and disable strings when

chrome/browser/chromeos/accessibility_util.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/chromeos/accessibility_util.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/speech_synthesis_library.h"
 #include "chrome/browser/extensions/extension_accessibility_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/file_reader.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/webui/web_ui.h"
 #include "grit/browser_resources.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace chromeos {
 namespace accessibility {
 
 // Helper class that directly loads an extension's content scripts into
 // all of the frames corresponding to a given RenderViewHost.
 class ContentScriptLoader {
  public:
   // Initialize the ContentScriptLoader with the ID of the extension
@@ skipping 58 matching lines @@
   g_browser_process->local_state()->SetBoolean(
       prefs::kAccessibilityEnabled, enabled);
   // Explicitly call SavePersistentPrefs instead of ScheduleSavePersistentPrefs
   // so that this change gets written immediately, in case the user shuts
   // down right now.  TODO(dmazzoni) switch this back to
   // ScheduleSavePersistentPrefs once http://crosbug.com/19491 is fixed.
   g_browser_process->local_state()->SavePersistentPrefs();
   ExtensionAccessibilityEventRouter::GetInstance()->
       SetAccessibilityEnabled(enabled);
 
+  Speak(enabled ?
+        l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_ENABLED).c_str() :
+        l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_DISABLED).c_str(),
+        false, true);
+
   // Load/Unload ChromeVox
   Profile* profile = ProfileManager::GetDefaultProfile();
   ExtensionService* extension_service =
       profile->GetExtensionService();
   std::string manifest = ResourceBundle::GetSharedInstance().
       GetRawDataResource(IDR_CHROMEVOX_MANIFEST).as_string();
   FilePath path = FilePath(extension_misc::kAccessExtensionPath)
       .AppendASCII(extension_misc::kChromeVoxDirectoryName);
   ExtensionService::ComponentExtensionInfo info(manifest, path);
   if (enabled) { // Load ChromeVox
@@ skipping 28 matching lines @@
 }
 
 void ToggleAccessibility(WebUI* login_web_ui) {
   bool accessibility_enabled = g_browser_process &&
       g_browser_process->local_state()->GetBoolean(
           prefs::kAccessibilityEnabled);
   accessibility_enabled = !accessibility_enabled;
   EnableAccessibility(accessibility_enabled, login_web_ui);
 };
 
+void Speak(const char* speak_str, bool queue, bool interruptible) {
+  if (chromeos::CrosLibrary::Get()->EnsureLoaded()) {
+    if (queue || !interruptible) {
+      std::string props = "";
+      props.append("enqueue=");
+      props.append(queue ? "1;" : "0;");
+      props.append("interruptible=");
+      props.append(interruptible ? "1;" : "0;");
+      chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()->
+          SetSpeakProperties(props.c_str());
+    }
+    chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()->
+        Speak(speak_str);
+  }
+}
+
+
 }  // namespace accessibility
 }  // namespace chromeos