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 "extensions/browser/guest_view/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   // Clears http cache for this guest's StoragePartition.
  36   virtual void ClearCache(base::Time remove_since,
  37                           const base::Closure& callback) = 0;
  38
  39   // Called when context menu operation was handled.
  40   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
  41
  42   // Called to attach helpers just after additional initialization is performed.
  43   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
  44
  45   // Called when the guest WebContents commits a provisional load in any frame.
  46   virtual void OnDidCommitProvisionalLoadForFrame(bool is_main_frame) = 0;
  47
  48   // Called just after additional initialization is performed.
  49   virtual void OnDidInitialize() = 0;
  50
  51   virtual void OnDocumentLoadedInFrame(
  52       content::RenderFrameHost* render_frame_host) = 0;
  53
  54   // Called immediately after the guest WebContents has been destroyed.
  55   virtual void OnGuestDestroyed() = 0;
  56
  57   // Shows the context menu for the guest.
  58   // |items| acts as a filter. This restricts the current context's default
  59   // menu items to contain only the items from |items|.
  60   // |items| == NULL means no filtering will be applied.
  61   virtual void OnShowContextMenu(
  62       int request_id,
  63       const MenuItemVector* items) = 0;
  64 };
  65
  66 }  // namespace extensions
  67
  68 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_