extensions/browser/guest_view/web_view/web_view_guest_delegate.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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_
   6 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_
   7
   8 #include "base/callback.h"
   9 #include "components/guest_view/browser/guest_view_base.h"
  10
  11 namespace content {
  12 class RenderViewHost;
  13 class WebContents;
  14 }  // namespace content
  15
  16 namespace extensions {
  17
  18 class WebViewGuest;
  19
  20 namespace api {
  21 namespace web_view_internal {
  22
  23 struct ContextMenuItem;
  24 }  // namespace web_view_internal
  25 }  // namespace api
  26
  27 // A delegate class of WebViewGuest that are not a part of chrome.
  28 class WebViewGuestDelegate {
  29  public :
  30   virtual ~WebViewGuestDelegate() {}
  31
  32   typedef std::vector<linked_ptr<api::web_view_internal::ContextMenuItem> >
  33       MenuItemVector;
  34
  35   // Called when context menu operation was handled.
  36   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
  37
  38   // Called to attach helpers just after additional initialization is performed.
  39   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
  40
  41   // Called immediately after the guest WebContents has been destroyed.
  42   virtual void OnGuestDestroyed() = 0;
  43
  44   // Shows the context menu for the guest.
  45   // |items| acts as a filter. This restricts the current context's default
  46   // menu items to contain only the items from |items|.
  47   // |items| == NULL means no filtering will be applied.
  48   virtual void OnShowContextMenu(
  49       int request_id,
  50       const MenuItemVector* items) = 0;
  51 };
  52
  53 }  // namespace extensions
  54
  55 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_