components/renderer_context_menu/context_menu_content_type.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 COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_CONTENT_TYPE_H_
   6 #define COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_CONTENT_TYPE_H_
   7
   8 #include "base/callback.h"
   9 #include "content/public/common/context_menu_params.h"
  10 #include "ui/base/models/simple_menu_model.h"
  11
  12 namespace content {
  13 class WebContents;
  14 }
  15
  16 namespace extensions {
  17 class Extension;
  18 }
  19
  20 // ContextMenuContentType is a helper to decide which category/group of items
  21 // are relevant for a given WebContents and a context.
  22 //
  23 // Subclasses can override the behavior of showing/hiding a category.
  24 class ContextMenuContentType {
  25  public:
  26   virtual ~ContextMenuContentType();
  27
  28   // Represents a group of menu items.
  29   // Order matters as they are appended in the enum order.
  30   enum ItemGroup {
  31     ITEM_GROUP_CUSTOM,
  32     ITEM_GROUP_PAGE,
  33     ITEM_GROUP_FRAME,
  34     ITEM_GROUP_LINK,
  35     ITEM_GROUP_MEDIA_IMAGE,
  36     ITEM_GROUP_SEARCHWEBFORIMAGE,
  37     ITEM_GROUP_MEDIA_VIDEO,
  38     ITEM_GROUP_MEDIA_AUDIO,
  39     ITEM_GROUP_MEDIA_CANVAS,
  40     ITEM_GROUP_MEDIA_PLUGIN,
  41     ITEM_GROUP_MEDIA_FILE,
  42     ITEM_GROUP_EDITABLE,
  43     ITEM_GROUP_COPY,
  44     ITEM_GROUP_SEARCH_PROVIDER,
  45     ITEM_GROUP_PRINT,
  46     ITEM_GROUP_ALL_EXTENSION,
  47     ITEM_GROUP_CURRENT_EXTENSION,
  48     ITEM_GROUP_DEVELOPER,
  49     ITEM_GROUP_DEVTOOLS_UNPACKED_EXT,
  50     ITEM_GROUP_PRINT_PREVIEW
  51   };
  52
  53   typedef base::Callback<bool (const GURL& url)>
  54       InternalResourcesURLChecker;
  55
  56   void set_internal_resources_url_checker(
  57       const InternalResourcesURLChecker& checker) {
  58     internal_resources_url_checker_ = checker;
  59   }
  60
  61   // Returns if |group| is enabled.
  62   virtual bool SupportsGroup(int group);
  63
  64   ContextMenuContentType(content::WebContents* web_contents,
  65                          const content::ContextMenuParams& params,
  66                          bool supports_custom_items);
  67
  68  protected:
  69   const content::ContextMenuParams& params() const { return params_; }
  70
  71   const extensions::Extension* GetExtension() const;
  72
  73  private:
  74   bool SupportsGroupInternal(int group);
  75
  76   bool IsInternalResourcesURL(const GURL& url);
  77
  78   const content::ContextMenuParams params_;
  79   content::WebContents* source_web_contents_;
  80   const bool supports_custom_items_;
  81
  82   // A boolean callback to check if the url points to the internal
  83   // resources.
  84   InternalResourcesURLChecker internal_resources_url_checker_;
  85
  86   DISALLOW_COPY_AND_ASSIGN(ContextMenuContentType);
  87 };
  88
  89 #endif  // COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_CONTENT_TYPE_H_