chrome/browser/ui/webui/extensions/install_extension_handler.h

   1 // Copyright (c) 2012 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_UI_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_
   7
   8 #include "base/files/file_path.h"
   9 #include "base/strings/string16.h"
  10 #include "base/values.h"
  11 #include "content/public/browser/web_ui_message_handler.h"
  12
  13 namespace content {
  14 class WebUIDataSource;
  15 }
  16
  17 namespace extensions {
  18
  19 // Handles installing an extension when its file is dragged onto the page.
  20 class InstallExtensionHandler : public content::WebUIMessageHandler {
  21  public:
  22   InstallExtensionHandler();
  23   ~InstallExtensionHandler() override;
  24
  25   void GetLocalizedValues(content::WebUIDataSource* source);
  26
  27   // WebUIMessageHandler implementation.
  28   void RegisterMessages() override;
  29
  30  private:
  31   // Handles a notification from the JavaScript that a drag has started. This is
  32   // needed so that we can capture the file being dragged. If we wait until
  33   // we receive a drop notification, the drop data in the browser process will
  34   // have already been destroyed.
  35   void HandleStartDragMessage(const base::ListValue* args);
  36
  37   // Handles a notification from the JavaScript that a drag has stopped.
  38   void HandleStopDragMessage(const base::ListValue* args);
  39
  40   // Handles a notification from the JavaScript to install the file currently
  41   // being dragged.
  42   //
  43   // IMPORTANT: We purposefully do not allow the JavaScript to specify the file
  44   // to be installed as a precaution against the extension management page
  45   // getting XSS'd.
  46   void HandleInstallMessage(const base::ListValue* args);
  47
  48   // Handles a notification from the JavaScript to install the directory
  49   // currently being dragged.
  50   void HandleInstallDirectoryMessage(const base::ListValue* args);
  51
  52   // The path to the file that will be installed when HandleInstallMessage() is
  53   // called.
  54   base::FilePath file_to_install_;
  55   base::FilePath file_display_name_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(InstallExtensionHandler);
  58 };
  59
  60 }  // namespace extensions
  61
  62 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_