Add GetSupportedLanguages(), ActiveLanguage(), and DeactivateLanguage().

These are wrappers for functions added in libcros

http://git.chromium.org/cgi-bin/gitweb.cgi?p=cros.git;a=commit;h=adc84eae83d75cc6c2a59c89e5276d072ca69c8d

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/542108

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@36512 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 46 insertions, 3 deletions

diff --git a/chrome/browser/chromeos/language_library.cc b/chrome/browser/chromeos/language_library.cc
index 7db0a2b..fcb0604 100644
--- a/chrome/browser/chromeos/language_library.cc
+++ b/chrome/browser/chromeos/language_library.cc
@@ -60,6 +60,14 @@ chromeos::InputLanguageList* LanguageLibrary::GetLanguages() {
   return result ? result : CreateFallbackInputLanguageList();
 }
 
+chromeos::InputLanguageList* LanguageLibrary::GetSupportedLanguages() {
+  chromeos::InputLanguageList* result = NULL;
+  if (EnsureLoaded()) {
+    result = chromeos::GetSupportedLanguages(language_status_connection_);
+  }
+  return result ? result : CreateFallbackInputLanguageList();
+}
+
 void LanguageLibrary::ChangeLanguage(
     LanguageCategory category, const std::string& id) {
   if (EnsureLoaded()) {
@@ -67,6 +75,26 @@ void LanguageLibrary::ChangeLanguage(
   }
 }
 
+bool LanguageLibrary::ActivateLanguage(
+    LanguageCategory category, const std::string& id) {
+  bool success = false;
+  if (EnsureLoaded()) {
+    success = chromeos::ActivateLanguage(language_status_connection_,
+                                         category, id.c_str());
+  }
+  return success;
+}
+
+bool LanguageLibrary::DeactivateLanguage(
+    LanguageCategory category, const std::string& id) {
+  bool success = false;
+  if (EnsureLoaded()) {
+    success = chromeos::DeactivateLanguage(language_status_connection_,
+                                           category, id.c_str());
+  }
+  return success;
+}
+
 // static
 void LanguageLibrary::LanguageChangedHandler(
     void* object, const chromeos::InputLanguage& current_language) {
diff --git a/chrome/browser/chromeos/language_library.h b/chrome/browser/chromeos/language_library.h
index e79d159..88c197c 100644
--- a/chrome/browser/chromeos/language_library.h
+++ b/chrome/browser/chromeos/language_library.h
@@ -35,11 +35,18 @@ class LanguageLibrary {
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
-  // Returns the list of IMEs and keyboard layouts we can select. If the cros
-  // library is not found or IBus/DBus daemon is not alive, this function
-  // returns a fallback language list (and never returns NULL).
+  // Returns the list of IMEs and keyboard layouts we can select
+  // (i.e. active). If the cros library is not found or IBus/DBus daemon
+  // is not alive, this function returns a fallback language list (and
+  // never returns NULL).
   InputLanguageList* GetLanguages();
 
+  // Returns the list of IMEs and keyboard layouts we support, including
+  // ones not active. If the cros library is not found or IBus/DBus
+  // daemon is not alive, this function returns a fallback language list
+  // (and never returns NULL).
+  InputLanguageList* GetSupportedLanguages();
+
   // Changes the current IME engine to |id| and enable IME (when |category|
   // is LANGUAGE_CATEGORY_IME). Changes the current XKB layout to |id| and
   // disable IME (when |category| is LANGUAGE_CATEGORY_XKB). |id| is a unique
@@ -47,6 +54,14 @@ class LanguageLibrary {
   // in src third_party/cros/ for details.
   void ChangeLanguage(LanguageCategory category, const std::string& id);
 
+  // Activates the language specified by |category| and |id|. Returns true
+  // on success.
+  bool ActivateLanguage(LanguageCategory category, const std::string& id);
+
+  // Dectivates the language specified by |category| and |id|. Returns
+  // true on success.
+  bool DeactivateLanguage(LanguageCategory category, const std::string& id);
+
   const InputLanguage& current_language() const {
     return current_language_;
   }