components/translate/ios/browser/js_translate_manager.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_TRANSLATE_IOS_BROWSER_JS_TRANSLATE_MANAGER_H_
   6 #define COMPONENTS_TRANSLATE_IOS_BROWSER_JS_TRANSLATE_MANAGER_H_
   7
   8 #import "ios/web/public/web_state/js/crw_js_injection_manager.h"
   9
  10 #include <string>
  11
  12 #include "base/time/time.h"
  13
  14 @class NSString;
  15
  16 // Manager for the injection of the Translate JavaScript.
  17 // Replicates functionality from TranslateHelper in
  18 // chrome/renderer/translate/translate_helper.cc.
  19 // JsTranslateManager injects the script in the page and calls it, but is not
  20 // responsible for loading it or caching it.
  21 @interface JsTranslateManager : CRWJSInjectionManager
  22
  23 // The translation script. Must be set before |-inject| is called, and is reset
  24 // after the injection.
  25 @property(nonatomic, copy) NSString* script;
  26
  27 // Injects JS to constantly check if the translate script is ready and informs
  28 // the Obj-C side when it is.
  29 - (void)injectWaitUntilTranslateReadyScript;
  30
  31 // After a translation has been initiated, injects JS to check if the
  32 // translation has finished/failed and informs the Obj-C when it is.
  33 - (void)injectTranslateStatusScript;
  34
  35 // Starts translation of the page from |source| language to |target| language.
  36 // Equivalent to TranslateHelper::StartTranslation().
  37 - (void)startTranslationFrom:(const std::string&)source
  38                           to:(const std::string&)target;
  39
  40 // Reverts the translation. Assumes that no navigation happened since the page
  41 // has been translated.
  42 - (void)revertTranslation;
  43
  44 @end
  45
  46 #endif  // COMPONENTS_TRANSLATE_IOS_BROWSER_JS_TRANSLATE_MANAGER_H_