extensions/browser/script_execution_observer.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 EXTENSIONS_BROWSER_SCRIPT_EXECUTION_OBSERVER_H_
   6 #define EXTENSIONS_BROWSER_SCRIPT_EXECUTION_OBSERVER_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11
  12 class GURL;
  13
  14 namespace content {
  15 class WebContents;
  16 }
  17
  18 namespace extensions {
  19
  20 // Observer base class for classes that need to be notified when content
  21 // scripts and/or tabs.executeScript calls run on a page.
  22 class ScriptExecutionObserver {
  23  public:
  24   // Map of extensions IDs to the executing script paths.
  25   typedef std::map<std::string, std::set<std::string> > ExecutingScriptsMap;
  26
  27   // Called when script(s) have executed on a page.
  28   //
  29   // |executing_scripts_map| contains all extensions that are executing
  30   // scripts, mapped to the paths for those scripts. The paths may be an empty
  31   // set if the script has no path associated with it (e.g. in the case of
  32   // tabs.executeScript), but there will still be an entry for the extension.
  33   virtual void OnScriptsExecuted(
  34       const content::WebContents* web_contents,
  35       const ExecutingScriptsMap& executing_scripts_map,
  36       const GURL& on_url) = 0;
  37
  38  protected:
  39   virtual ~ScriptExecutionObserver();
  40 };
  41
  42 }  // namespace extensions
  43
  44 #endif  // EXTENSIONS_BROWSER_SCRIPT_EXECUTION_OBSERVER_H_