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 #include "extensions/browser/extension_function_dispatcher.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 guest_view::GuestView<MimeHandlerViewGuest>,
  54                              public ExtensionFunctionDispatcher::Delegate {
  55  public:
  56   static guest_view::GuestViewBase* Create(
  57       content::WebContents* owner_web_contents);
  58
  59   static const char Type[];
  60
  61   // ExtensionFunctionDispatcher::Delegate implementation.
  62   WindowController* GetExtensionWindowController() const override;
  63   content::WebContents* GetAssociatedWebContents() const override;
  64
  65   // GuestViewBase implementation.
  66   const char* GetAPINamespace() const override;
  67   int GetTaskPrefix() const override;
  68   void CreateWebContents(const base::DictionaryValue& create_params,
  69                          const WebContentsCreatedCallback& callback) override;
  70   void DidAttachToEmbedder() override;
  71   void DidInitialize(const base::DictionaryValue& create_params) override;
  72   bool ZoomPropagatesFromEmbedderToGuest() const override;
  73
  74   // content::BrowserPluginGuestDelegate implementation
  75   bool Find(int request_id,
  76             const base::string16& search_text,
  77             const blink::WebFindOptions& options) override;
  78   bool StopFinding(content::StopFindAction action) override;
  79
  80   // WebContentsDelegate implementation.
  81   content::WebContents* OpenURLFromTab(
  82       content::WebContents* source,
  83       const content::OpenURLParams& params) override;
  84   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  85   bool PreHandleGestureEvent(content::WebContents* source,
  86                              const blink::WebGestureEvent& event) override;
  87   content::JavaScriptDialogManager* GetJavaScriptDialogManager(
  88       content::WebContents* source) override;
  89   void FindReply(content::WebContents* web_contents,
  90                  int request_id,
  91                  int number_of_matches,
  92                  const gfx::Rect& selection_rect,
  93                  int active_match_ordinal,
  94                  bool final_update) override;
  95   bool SaveFrame(const GURL& url, const content::Referrer& referrer) override;
  96
  97   // content::WebContentsObserver implementation.
  98   void DocumentOnLoadCompletedInMainFrame() override;
  99   bool OnMessageReceived(const IPC::Message& message) override;
 100
 101   std::string view_id() const { return view_id_; }
 102   base::WeakPtr<StreamContainer> GetStream() const;
 103
 104  protected:
 105   explicit MimeHandlerViewGuest(content::WebContents* owner_web_contents);
 106   ~MimeHandlerViewGuest() override;
 107
 108  private:
 109   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 110
 111   scoped_ptr<MimeHandlerViewGuestDelegate> delegate_;
 112   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 113   scoped_ptr<StreamContainer> stream_;
 114   std::string view_id_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(MimeHandlerViewGuest);
 117 };
 118
 119 }  // namespace extensions
 120
 121 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_