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 "extensions/browser/extension_function_dispatcher.h"
  10 #include "extensions/browser/guest_view/guest_view.h"
  11
  12 namespace content {
  13 class WebContents;
  14 struct ContextMenuParams;
  15 struct StreamInfo;
  16 }  // namespace content
  17
  18 namespace extensions {
  19 class MimeHandlerViewGuestDelegate;
  20
  21 // A container for a StreamHandle and any other information necessary for a
  22 // MimeHandler to handle a resource stream.
  23 class StreamContainer {
  24  public:
  25   StreamContainer(scoped_ptr<content::StreamInfo> stream,
  26                   int tab_id,
  27                   bool embedded,
  28                   const GURL& handler_url,
  29                   const std::string& extension_id);
  30   ~StreamContainer();
  31
  32   // Aborts the stream.
  33   void Abort(const base::Closure& callback);
  34
  35   base::WeakPtr<StreamContainer> GetWeakPtr();
  36
  37   const content::StreamInfo* stream_info() const { return stream_.get(); }
  38   bool embedded() const { return embedded_; }
  39   int tab_id() const { return tab_id_; }
  40   GURL handler_url() const { return handler_url_; }
  41   std::string extension_id() const { return extension_id_; }
  42
  43  private:
  44   const scoped_ptr<content::StreamInfo> stream_;
  45   const bool embedded_;
  46   const int tab_id_;
  47   const GURL handler_url_;
  48   const std::string extension_id_;
  49
  50   base::WeakPtrFactory<StreamContainer> weak_factory_;
  51 };
  52
  53 class MimeHandlerViewGuest : public GuestView<MimeHandlerViewGuest>,
  54                              public ExtensionFunctionDispatcher::Delegate {
  55  public:
  56   static GuestViewBase* Create(content::WebContents* owner_web_contents);
  57
  58   static const char Type[];
  59
  60   // ExtensionFunctionDispatcher::Delegate implementation.
  61   WindowController* GetExtensionWindowController() const override;
  62   content::WebContents* GetAssociatedWebContents() const override;
  63
  64   // GuestViewBase implementation.
  65   const char* GetAPINamespace() const override;
  66   int GetTaskPrefix() const override;
  67   void CreateWebContents(const base::DictionaryValue& create_params,
  68                          const WebContentsCreatedCallback& callback) override;
  69   void DidAttachToEmbedder() override;
  70   void DidInitialize(const base::DictionaryValue& create_params) override;
  71   bool ZoomPropagatesFromEmbedderToGuest() const override;
  72
  73   // content::BrowserPluginGuestDelegate implementation
  74   bool Find(int request_id,
  75             const base::string16& search_text,
  76             const blink::WebFindOptions& options) override;
  77   bool StopFinding(content::StopFindAction action) override;
  78
  79   // WebContentsDelegate implementation.
  80   content::WebContents* OpenURLFromTab(
  81       content::WebContents* source,
  82       const content::OpenURLParams& params) override;
  83   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  84   bool PreHandleGestureEvent(content::WebContents* source,
  85                              const blink::WebGestureEvent& event) override;
  86   content::JavaScriptDialogManager* GetJavaScriptDialogManager(
  87       content::WebContents* source) override;
  88   void FindReply(content::WebContents* web_contents,
  89                  int request_id,
  90                  int number_of_matches,
  91                  const gfx::Rect& selection_rect,
  92                  int active_match_ordinal,
  93                  bool final_update) override;
  94   bool SaveFrame(const GURL& url, const content::Referrer& referrer) override;
  95
  96   // content::WebContentsObserver implementation.
  97   void DocumentOnLoadCompletedInMainFrame() override;
  98   bool OnMessageReceived(const IPC::Message& message) override;
  99
 100   std::string view_id() const { return view_id_; }
 101   base::WeakPtr<StreamContainer> GetStream() const;
 102
 103  private:
 104   explicit MimeHandlerViewGuest(content::WebContents* owner_web_contents);
 105   ~MimeHandlerViewGuest() override;
 106
 107   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 108
 109   scoped_ptr<MimeHandlerViewGuestDelegate> delegate_;
 110   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 111   scoped_ptr<StreamContainer> stream_;
 112   std::string view_id_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(MimeHandlerViewGuest);
 115 };
 116
 117 }  // namespace extensions
 118
 119 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_