extensions/renderer/programmatic_script_injector.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_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_
   6 #define EXTENSIONS_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "extensions/renderer/script_injection.h"
  11 #include "url/gurl.h"
  12
  13 struct ExtensionMsg_ExecuteCode_Params;
  14
  15 namespace blink {
  16 class WebFrame;
  17 }
  18
  19 namespace content {
  20 class RenderView;
  21 }
  22
  23 namespace extensions {
  24 class Extension;
  25
  26 // A ScriptInjector to handle tabs.executeScript().
  27 class ProgrammaticScriptInjector : public ScriptInjector {
  28  public:
  29   ProgrammaticScriptInjector(const ExtensionMsg_ExecuteCode_Params& params,
  30                              blink::WebFrame* web_frame);
  31   ~ProgrammaticScriptInjector() override;
  32
  33  private:
  34   // ScriptInjector implementation.
  35   UserScript::InjectionType script_type() const override;
  36   bool ShouldExecuteInChildFrames() const override;
  37   bool ShouldExecuteInMainWorld() const override;
  38   bool IsUserGesture() const override;
  39   bool ExpectsResults() const override;
  40   bool ShouldInjectJs(UserScript::RunLocation run_location) const override;
  41   bool ShouldInjectCss(UserScript::RunLocation run_location) const override;
  42   PermissionsData::AccessType CanExecuteOnFrame(
  43       const Extension* extension,
  44       blink::WebFrame* web_frame,
  45       int tab_id,
  46       const GURL& top_url) const override;
  47   std::vector<blink::WebScriptSource> GetJsSources(
  48       UserScript::RunLocation run_location) const override;
  49   std::vector<std::string> GetCssSources(
  50       UserScript::RunLocation run_location) const override;
  51   void OnInjectionComplete(scoped_ptr<base::ListValue> execution_results,
  52                            ScriptsRunInfo* scripts_run_info,
  53                            UserScript::RunLocation run_location) override;
  54   void OnWillNotInject(InjectFailureReason reason) override;
  55
  56   // Return the run location for this injector.
  57   UserScript::RunLocation GetRunLocation() const;
  58
  59   // Notify the browser that the script was injected (or never will be), and
  60   // send along any results or errors.
  61   void Finish(const std::string& error);
  62
  63   // The parameters for injecting the script.
  64   scoped_ptr<ExtensionMsg_ExecuteCode_Params> params_;
  65
  66   // The url of the frame into which we are injecting.
  67   GURL url_;
  68
  69   // The RenderView to which we send the response upon completion.
  70   content::RenderView* render_view_;
  71
  72   // The results of the script execution.
  73   scoped_ptr<base::ListValue> results_;
  74
  75   // Whether or not this script injection has finished.
  76   bool finished_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(ProgrammaticScriptInjector);
  79 };
  80
  81 }  // namespace extensions
  82
  83 #endif  // EXTENSIONS_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_