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 blink {
  11 struct WebFindOptions;
  12 }  // nanespace blink
  13
  14 namespace content {
  15 class RenderViewHost;
  16 class WebContents;
  17 }  // namespace content
  18
  19 namespace extensions {
  20
  21 class WebViewGuest;
  22 class WebViewInternalFindFunction;
  23
  24 namespace api {
  25 namespace web_view_internal {
  26
  27 struct ContextMenuItem;
  28 }  // namespace web_view_internal
  29 }  // namespace api
  30
  31 // A delegate class of WebViewGuest that are not a part of chrome.
  32 class WebViewGuestDelegate {
  33  public :
  34   explicit WebViewGuestDelegate(WebViewGuest* web_view_guest);
  35   virtual ~WebViewGuestDelegate();
  36
  37   typedef std::vector<linked_ptr<api::web_view_internal::ContextMenuItem> >
  38       MenuItemVector;
  39
  40   // Begin or continue a find request.
  41   virtual void Find(
  42       const base::string16& search_text,
  43       const blink::WebFindOptions& options,
  44       WebViewInternalFindFunction* find_function) = 0;
  45
  46   // Result of string search in the page.
  47   virtual void FindReply(content::WebContents* source,
  48                          int request_id,
  49                          int number_of_matches,
  50                          const gfx::Rect& selection_rect,
  51                          int active_match_ordinal,
  52                          bool final_update) = 0;
  53
  54   // Returns the current zoom factor.
  55   virtual double GetZoom() = 0;
  56
  57   // Called when context menu operation was handled.
  58   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
  59
  60   // Called to attach helpers just after additional initialization is performed.
  61   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
  62
  63   // Called to perform some cleanup prior to destruction.
  64   virtual void OnEmbedderDestroyed() = 0;
  65
  66   // Called when the guest WebContents commits a provisional load in any frame.
  67   virtual void OnDidCommitProvisionalLoadForFrame(bool is_main_frame) = 0;
  68
  69   // Called just after additional initialization is performed.
  70   virtual void OnDidInitialize() = 0;
  71
  72   virtual void OnDocumentLoadedInFrame(
  73       content::RenderFrameHost* render_frame_host) = 0;
  74
  75   // Called immediately after the guest WebContents has been destroyed.
  76   virtual void OnGuestDestroyed() = 0;
  77
  78   // Called to cancel all find sessions in progress.
  79   virtual void OnRenderProcessGone() = 0;
  80
  81   // Called when to set the zoom factor.
  82   virtual void OnSetZoom(double zoom_factor) = 0;
  83
  84   // Shows the context menu for the guest.
  85   // |items| acts as a filter. This restricts the current context's default
  86   // menu items to contain only the items from |items|.
  87   // |items| == NULL means no filtering will be applied.
  88   virtual void OnShowContextMenu(
  89       int request_id,
  90       const MenuItemVector* items) = 0;
  91
  92   // Conclude a find request to clear highlighting.
  93   virtual void StopFinding(content::StopFindAction) = 0;
  94
  95   WebViewGuest* web_view_guest() const { return web_view_guest_; }
  96
  97  private:
  98   WebViewGuest* const web_view_guest_;
  99
 100   DISALLOW_COPY_AND_ASSIGN(WebViewGuestDelegate);
 101 };
 102
 103 }  // namespace extensions
 104
 105 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_