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 "extensions/browser/guest_view/guest_view_base.h"
   9
  10 namespace content {
  11 class RenderViewHost;
  12 class WebContents;
  13 }  // namespace content
  14
  15 namespace extensions {
  16
  17 class WebViewGuest;
  18
  19 namespace api {
  20 namespace web_view_internal {
  21
  22 struct ContextMenuItem;
  23 }  // namespace web_view_internal
  24 }  // namespace api
  25
  26 // A delegate class of WebViewGuest that are not a part of chrome.
  27 class WebViewGuestDelegate {
  28  public :
  29   virtual ~WebViewGuestDelegate() {}
  30
  31   typedef std::vector<linked_ptr<api::web_view_internal::ContextMenuItem> >
  32       MenuItemVector;
  33
  34   // Returns the current zoom factor.
  35   virtual double GetZoom() = 0;
  36
  37   // Called when context menu operation was handled.
  38   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
  39
  40   // Called to attach helpers just after additional initialization is performed.
  41   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
  42
  43   // Called after the guest has been attached to an embedder and suspended
  44   // resource loads have been resumed.
  45   virtual void OnDidAttachToEmbedder() = 0;
  46
  47   // Called when the guest WebContents commits a provisional load in any frame.
  48   virtual void OnDidCommitProvisionalLoadForFrame(bool is_main_frame) = 0;
  49
  50   // Called just after additional initialization is performed.
  51   virtual void OnDidInitialize() = 0;
  52
  53   virtual void OnDocumentLoadedInFrame(
  54       content::RenderFrameHost* render_frame_host) = 0;
  55
  56   // Called before the embedder is destroyed.
  57   virtual void OnEmbedderWillBeDestroyed() = 0;
  58
  59   // Called immediately after the guest WebContents has been destroyed.
  60   virtual void OnGuestDestroyed() = 0;
  61
  62   // Called when to set the zoom factor.
  63   virtual void OnSetZoom(double zoom_factor) = 0;
  64
  65   // Shows the context menu for the guest.
  66   // |items| acts as a filter. This restricts the current context's default
  67   // menu items to contain only the items from |items|.
  68   // |items| == NULL means no filtering will be applied.
  69   virtual void OnShowContextMenu(
  70       int request_id,
  71       const MenuItemVector* items) = 0;
  72 };
  73
  74 }  // namespace extensions
  75
  76 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_