| // Copyright 2014 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. |
| |
| #ifndef EXTENSIONS_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_ |
| #define EXTENSIONS_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/values.h" |
| #include "extensions/renderer/script_injection.h" |
| #include "url/gurl.h" |
| |
| struct ExtensionMsg_ExecuteCode_Params; |
| |
| namespace content { |
| class RenderFrame; |
| } |
| |
| namespace extensions { |
| |
| // A ScriptInjector to handle tabs.executeScript(). |
| class ProgrammaticScriptInjector : public ScriptInjector { |
| public: |
| ProgrammaticScriptInjector(const ExtensionMsg_ExecuteCode_Params& params, |
| content::RenderFrame* render_frame); |
| ~ProgrammaticScriptInjector() override; |
| |
| private: |
| class FrameWatcher; |
| |
| // ScriptInjector implementation. |
| UserScript::InjectionType script_type() const override; |
| bool ShouldExecuteInMainWorld() const override; |
| bool IsUserGesture() const override; |
| bool ExpectsResults() const override; |
| bool ShouldInjectJs(UserScript::RunLocation run_location) const override; |
| bool ShouldInjectCss(UserScript::RunLocation run_location) const override; |
| PermissionsData::AccessType CanExecuteOnFrame( |
| const InjectionHost* injection_host, |
| blink::WebLocalFrame* web_frame, |
| int tab_id) const override; |
| std::vector<blink::WebScriptSource> GetJsSources( |
| UserScript::RunLocation run_location) const override; |
| std::vector<std::string> GetCssSources( |
| UserScript::RunLocation run_location) const override; |
| void GetRunInfo(ScriptsRunInfo* scripts_run_info, |
| UserScript::RunLocation run_location) const override; |
| void OnInjectionComplete(scoped_ptr<base::Value> execution_result, |
| UserScript::RunLocation run_location) override; |
| void OnWillNotInject(InjectFailureReason reason) override; |
| |
| // Return the run location for this injector. |
| UserScript::RunLocation GetRunLocation() const; |
| |
| // Notify the browser that the script was injected (or never will be), and |
| // send along any results or errors. |
| void Finish(const std::string& error); |
| |
| // The parameters for injecting the script. |
| scoped_ptr<ExtensionMsg_ExecuteCode_Params> params_; |
| |
| // The url of the frame into which we are injecting. |
| GURL url_; |
| |
| // The URL of the frame's origin. This is usually identical to |url_|, but |
| // could be different for e.g. about:blank URLs. Do not use this value to make |
| // security decisions, to avoid race conditions (e.g. due to navigation). |
| GURL effective_url_; |
| |
| // A helper class to hold the render frame and watch for its deletion. |
| scoped_ptr<FrameWatcher> frame_watcher_; |
| |
| // The results of the script execution. |
| base::ListValue results_; |
| |
| // Whether or not this script injection has finished. |
| bool finished_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ProgrammaticScriptInjector); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_RENDERER_PROGRAMMATIC_SCRIPT_INJECTOR_H_ |