chrome/browser/extensions/api/execute_code_function.h

   1 // Copyright (c) 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 CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
   7
   8 #include "chrome/browser/extensions/chrome_extension_function.h"
   9 #include "chrome/browser/extensions/script_executor.h"
  10 #include "chrome/common/extensions/api/tabs.h"
  11
  12 namespace extensions {
  13
  14 // Base class for javascript code injection.
  15 // This is used by both chrome.webview.executeScript and
  16 // chrome.tabs.executeScript.
  17 class ExecuteCodeFunction : public ChromeAsyncExtensionFunction {
  18  public:
  19   ExecuteCodeFunction();
  20
  21  protected:
  22   virtual ~ExecuteCodeFunction();
  23
  24   // ExtensionFunction implementation.
  25   virtual bool HasPermission() OVERRIDE;
  26   virtual bool RunImpl() OVERRIDE;
  27
  28   // Initialize |details_| if it hasn't already been.
  29   virtual bool Init() = 0;
  30   virtual bool ShouldInsertCSS() const = 0;
  31   virtual bool CanExecuteScriptOnPage() = 0;
  32   virtual ScriptExecutor* GetScriptExecutor() = 0;
  33   virtual bool IsWebView() const = 0;
  34   virtual const GURL& GetWebViewSrc() const = 0;
  35   virtual void OnExecuteCodeFinished(const std::string& error,
  36                                      int32 on_page_id,
  37                                      const GURL& on_url,
  38                                      const base::ListValue& result);
  39
  40   // The injection details.
  41   scoped_ptr<api::tabs::InjectDetails> details_;
  42
  43  private:
  44   // Called when contents from the file whose path is specified in JSON
  45   // arguments has been loaded.
  46   void DidLoadFile(bool success, const std::string& data);
  47
  48   // Runs on FILE thread. Loads message bundles for the extension and
  49   // localizes the CSS data. Calls back DidLoadAndLocalizeFile on the UI thread.
  50   void GetFileURLAndLocalizeCSS(
  51       ScriptExecutor::ScriptType script_type,
  52       const std::string& data,
  53       const std::string& extension_id,
  54       const base::FilePath& extension_path,
  55       const std::string& extension_default_locale);
  56
  57   // Called when contents from the loaded file have been localized.
  58   void DidLoadAndLocalizeFile(bool success, const std::string& data);
  59
  60   // Run in UI thread.  Code string contains the code to be executed. Returns
  61   // true on success. If true is returned, this does an AddRef.
  62   bool Execute(const std::string& code_string);
  63
  64   // Contains extension resource built from path of file which is
  65   // specified in JSON arguments.
  66   ExtensionResource resource_;
  67
  68   // The URL of the file being injected into the page.
  69   GURL file_url_;
  70 };
  71
  72 }  // namespace extensions
  73
  74 #endif  // CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
  75