languagesPrivate IDL draft

chrome/common/extensions/api/language_settings_private.idl

Index: chrome/common/extensions/api/language_settings_private.idl
diff --git a/chrome/common/extensions/api/language_settings_private.idl b/chrome/common/extensions/api/language_settings_private.idl
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+// Copyright 2015 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.
+
+// Use the <code>chrome.languageSettingsPrivate</code> API to get or change
+// language and input method settings.
+namespace languageSettingsPrivate {
+  // Status of a spell check dictionary download.
+  enum DownloadStatus { DOWNLOADED, DOWNLOADING, FAILURE };
+
+  dictionary Language {
+    // The unique code identifying the language.
+    DOMString code;
+    // The name of the language, in the current UI language.
+    DOMString displayName;
+    // The name of the language as it is in its own language.
+    DOMString nativeDisplayName;
+    // Whether the directionality is RTL. Defaults to false.
+    boolean? rtl;
+    // Whether the UI can be displayed in this language. Defaults to false.
+    boolean? supportsUI;
+    // Whether this language can be used for spell checking. Defaults to false.
+    boolean? supportsSpellCheck;
+    // Whether this language has translations for the current target language.
+    // Defaults to false.
+    boolean? supportsTranslate;
+  };
+
+  dictionary SpellCheckDictionaryStatus {
+    // The language code of the dictionary that the status describes.
+    DOMString languageCode;
+
+    // The download status of the dictionary.
+    DownloadStatus status;
+  };
+
+  dictionary InputMethod {
+    // The ID of the input method descriptor.
+    DOMString id;
+
+    // The human-readable name of the input method.
+    DOMString displayName;
+
+    // The language codes this input method supports.
+    DOMString[] languageCodes;
+
+    // True if the input method is enabled.
+    boolean enabled;
+  };
+
+  dictionary InputMethodLists {
+    // The list of built-in input methods.
+    InputMethod[] inputMethods;
+
+    // The list of component extension input methods.
+    InputMethod[] componentExtensionIMEs;
+
+    // The list of third-party extension input methods.
+    InputMethod[] thirdPartyExtensionIMEs;
+  };
+
+  callback GetLanguageListCallback = void (Language[] languages);
+  callback GetInputMethodListsCallback = void (InputMethodLists lists);
+  callback GetSpellCheckWordsCallback = void (DOMString[] words);
+  callback GetTranslateTargetLanguageCallback = void (DOMString languageCode);
+  callback GetSpellCheckDictionaryStatusCallback =
+      void (SpellCheckDictionaryStatus status);
+  callback InputMethodAddedRemovedCallback = void (DOMString inputMethodId);
+
+  interface Functions {
+    // Gets languages available for translate, spell checking, input and locale.
+    static void getLanguageList(GetLanguageListCallback callback);
+
+    // Sets the accepted languages, used to decide which languages to translate,
+    // generate the Accept-Language header, etc.
+    static void setLanguageList(DOMString[] languageCodes);
+
+    // Gets the current status of the spell check dictionary.
+    static void getSpellCheckDictionaryStatus(
+        GetSpellCheckDictionaryStatusCallback callback);
+
+    // Gets the custom spell check words.
+    static void getSpellCheckWords(GetSpellCheckWordsCallback callback);
+
+    // Gets the translate target language (in most cases, the display locale).
+    static void getTranslateTargetLanguage(
+        GetTranslateTargetLanguageCallback callback);
+
+    // Gets all supported input methods, including IMEs. Chrome OS only.
+    static void getInputMethodLists(GetInputMethodListsCallback callback);
+
+    // Adds the input method to the current user's list of enabled input
+    // methods, enabling the input method for the current user. Chrome OS only.
+    static void addInputMethod(DOMString inputMethodId);
+
+    // Removes the input method from the current user's list of enabled input
+    // methods, disabling the input method for the current user. Chrome OS only.
+    static void removeInputMethod(DOMString inputMethodId);
+  };
+
+  interface Events {
+    // Called when the language used for spell checking changes or the
+    // dictionary download status changes.
+    static void onSpellCheckDictionaryChanged(
+        GetSpellCheckDictionaryStatusCallback callback);
+
+    // Called when an input method is added.
+    static void onInputMethodAdded(
+        InputMethodAddedRemovedCallback callback);
+
+    // Called when an input method is removed.
+    static void onInputMethodRemoved(
+        InputMethodAddedRemovedCallback callback);
+  };
+};