ios/web/web_state/ui/web_view_js_utils.h

   1 // Copyright 2014 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 IOS_WEB_WEB_STATE_UI_WEB_VIEW_JS_UTILS_H_
   6 #define IOS_WEB_WEB_STATE_UI_WEB_VIEW_JS_UTILS_H_
   7
   8 #import <Foundation/Foundation.h>
   9
  10 #include "ios/web/public/block_types.h"
  11
  12 @class UIWebView;
  13 @class WKWebView;
  14
  15 // This file contains functions that asynchronously evaluate JavaScript on
  16 // WKWebView/UIWebView and provide result in the same format. Call
  17 // |completion_handler| with results of the evaluation or an NSError if there is
  18 // an error. The |completion_handler| can be nil.
  19 namespace web {
  20
  21 // Asynchronous adaptor to evaluate JavaScript on UIWebView. Provides evaluation
  22 // result as it is, without modifications.
  23 void EvaluateJavaScript(UIWebView* web_view,
  24                         NSString* script,
  25                         JavaScriptCompletion completion_handler);
  26
  27 // Evaluates JavaScript on WKWebView. Provides evaluation result is the same
  28 // format as UIWebView.
  29 void EvaluateJavaScript(WKWebView* web_view,
  30                         NSString* script,
  31                         JavaScriptCompletion completion_handler);
  32
  33 }  // namespace web
  34
  35 #endif  // IOS_WEB_WEB_STATE_UI_WEB_VIEW_JS_UTILS_H_