chrome/browser/ui/webui/gesture_config_ui.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_GESTURE_CONFIG_UI_H_
   6 #define CHROME_BROWSER_UI_WEBUI_GESTURE_CONFIG_UI_H_
   7
   8 #include "content/public/browser/web_ui_controller.h"
   9
  10 namespace base {
  11   class ListValue;
  12 }  // namespace base
  13
  14 // The WebUI for 'chrome://gesture'.
  15 class GestureConfigUI : public content::WebUIController {
  16  public:
  17   // Constructs a new GestureConfig for the specified |web_ui|.
  18   explicit GestureConfigUI(content::WebUI* web_ui);
  19   ~GestureConfigUI() override;
  20
  21  private:
  22   // TODO(mohsen): Add a whitelist of preferences that are allowed to be set or
  23   // get here and check requested preferences against this whitelist.
  24
  25   /**
  26    * Request a preference setting's value.
  27    * This method is asynchronous; the result is provided by a call to
  28    * the JS method 'gesture_config.updatePreferenceValueResult'.
  29    */
  30   void UpdatePreferenceValue(const base::ListValue* args);
  31
  32   /**
  33    * Reset a preference to its default value and return this value
  34    * via asynchronous callback to the JS method
  35    * 'gesture_config.updatePreferenceValueResult'.
  36    */
  37   void ResetPreferenceValue(const base::ListValue* args);
  38
  39   /**
  40    * Set a preference setting's value.
  41    * Two parameters are provided in a JS list: prefName and value, the
  42    * key of the preference value to be set, and the value it's to be set to.
  43    */
  44   void SetPreferenceValue(const base::ListValue* args);
  45
  46   DISALLOW_COPY_AND_ASSIGN(GestureConfigUI);
  47 };
  48
  49 #endif  // CHROME_BROWSER_UI_WEBUI_GESTURE_CONFIG_UI_H_