extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.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_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_
   6 #define EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "components/guest_view/browser/guest_view.h"
  10
  11 namespace content {
  12 class WebContents;
  13 struct ContextMenuParams;
  14 struct StreamInfo;
  15 }  // namespace content
  16
  17 namespace extensions {
  18 class MimeHandlerViewGuestDelegate;
  19
  20 // A container for a StreamHandle and any other information necessary for a
  21 // MimeHandler to handle a resource stream.
  22 class StreamContainer {
  23  public:
  24   StreamContainer(scoped_ptr<content::StreamInfo> stream,
  25                   int tab_id,
  26                   bool embedded,
  27                   const GURL& handler_url,
  28                   const std::string& extension_id);
  29   ~StreamContainer();
  30
  31   // Aborts the stream.
  32   void Abort(const base::Closure& callback);
  33
  34   base::WeakPtr<StreamContainer> GetWeakPtr();
  35
  36   const content::StreamInfo* stream_info() const { return stream_.get(); }
  37   bool embedded() const { return embedded_; }
  38   int tab_id() const { return tab_id_; }
  39   GURL handler_url() const { return handler_url_; }
  40   std::string extension_id() const { return extension_id_; }
  41
  42  private:
  43   const scoped_ptr<content::StreamInfo> stream_;
  44   const bool embedded_;
  45   const int tab_id_;
  46   const GURL handler_url_;
  47   const std::string extension_id_;
  48
  49   base::WeakPtrFactory<StreamContainer> weak_factory_;
  50 };
  51
  52 class MimeHandlerViewGuest :
  53     public guest_view::GuestView<MimeHandlerViewGuest> {
  54  public:
  55   static guest_view::GuestViewBase* Create(
  56       content::WebContents* owner_web_contents);
  57
  58   static const char Type[];
  59
  60   // GuestViewBase implementation.
  61   const char* GetAPINamespace() const override;
  62   int GetTaskPrefix() const override;
  63   void CreateWebContents(const base::DictionaryValue& create_params,
  64                          const WebContentsCreatedCallback& callback) override;
  65   void DidAttachToEmbedder() override;
  66   void DidInitialize(const base::DictionaryValue& create_params) override;
  67   bool ShouldHandleFindRequestsForEmbedder() const override;
  68   bool ZoomPropagatesFromEmbedderToGuest() const override;
  69
  70   // WebContentsDelegate implementation.
  71   content::WebContents* OpenURLFromTab(
  72       content::WebContents* source,
  73       const content::OpenURLParams& params) override;
  74   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  75   bool PreHandleGestureEvent(content::WebContents* source,
  76                              const blink::WebGestureEvent& event) override;
  77   content::JavaScriptDialogManager* GetJavaScriptDialogManager(
  78       content::WebContents* source) override;
  79   void FindReply(content::WebContents* web_contents,
  80                  int request_id,
  81                  int number_of_matches,
  82                  const gfx::Rect& selection_rect,
  83                  int active_match_ordinal,
  84                  bool final_update) override;
  85   bool SaveFrame(const GURL& url, const content::Referrer& referrer) override;
  86
  87   // content::WebContentsObserver implementation.
  88   void DocumentOnLoadCompletedInMainFrame() override;
  89
  90   std::string view_id() const { return view_id_; }
  91   base::WeakPtr<StreamContainer> GetStream() const;
  92
  93  protected:
  94   explicit MimeHandlerViewGuest(content::WebContents* owner_web_contents);
  95   ~MimeHandlerViewGuest() override;
  96
  97  private:
  98   scoped_ptr<MimeHandlerViewGuestDelegate> delegate_;
  99   scoped_ptr<StreamContainer> stream_;
 100   std::string view_id_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(MimeHandlerViewGuest);
 103 };
 104
 105 }  // namespace extensions
 106
 107 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_