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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_MediaDocument_h
       8             : #define mozilla_dom_MediaDocument_h
       9             : 
      10             : #include "mozilla/Attributes.h"
      11             : #include "nsHTMLDocument.h"
      12             : #include "nsGenericHTMLElement.h"
      13             : #include "nsIStringBundle.h"
      14             : 
      15             : #define NSMEDIADOCUMENT_PROPERTIES_URI "chrome://global/locale/layout/MediaDocument.properties"
      16             : 
      17             : namespace mozilla {
      18             : namespace dom {
      19             : 
      20             : class MediaDocument : public nsHTMLDocument
      21             : {
      22             : public:
      23             :   MediaDocument();
      24             :   virtual ~MediaDocument();
      25             : 
      26             :   virtual nsresult Init() override;
      27             : 
      28             :   virtual nsresult StartDocumentLoad(const char*         aCommand,
      29             :                                      nsIChannel*         aChannel,
      30             :                                      nsILoadGroup*       aLoadGroup,
      31             :                                      nsISupports*        aContainer,
      32             :                                      nsIStreamListener** aDocListener,
      33             :                                      bool                aReset = true,
      34             :                                      nsIContentSink*     aSink = nullptr) override;
      35             : 
      36             :   virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) override;
      37             : 
      38           0 :   virtual bool WillIgnoreCharsetOverride() override
      39             :   {
      40           0 :     return true;
      41             :   }
      42             : 
      43             : protected:
      44             :   void BecomeInteractive();
      45             : 
      46             :   virtual nsresult CreateSyntheticDocument();
      47             : 
      48             :   friend class MediaDocumentStreamListener;
      49             :   nsresult StartLayout();
      50             : 
      51             :   void GetFileName(nsAString& aResult, nsIChannel* aChannel);
      52             : 
      53             :   nsresult LinkStylesheet(const nsAString& aStylesheet);
      54             :   nsresult LinkScript(const nsAString& aScript);
      55             : 
      56             :   // |aFormatNames[]| needs to have four elements in the following order:
      57             :   // a format name with neither dimension nor file, a format name with
      58             :   // filename but w/o dimension, a format name with dimension but w/o filename,
      59             :   // a format name with both of them.  For instance, it can have
      60             :   // "ImageTitleWithNeitherDimensionsNorFile", "ImageTitleWithoutDimensions",
      61             :   // "ImageTitleWithDimesions2",  "ImageTitleWithDimensions2AndFile".
      62             :   //
      63             :   // Also see MediaDocument.properties if you want to define format names
      64             :   // for a new subclass. aWidth and aHeight are pixels for |ImageDocument|,
      65             :   // but could be in other units for other 'media', in which case you have to
      66             :   // define format names accordingly.
      67             :   void UpdateTitleAndCharset(const nsACString&  aTypeStr,
      68             :                              nsIChannel* aChannel,
      69             :                              const char* const* aFormatNames = sFormatNames,
      70             :                              int32_t            aWidth = 0,
      71             :                              int32_t            aHeight = 0,
      72           0 :                              const nsAString&   aStatus = EmptyString());
      73             : 
      74             :   nsCOMPtr<nsIStringBundle>     mStringBundle;
      75             :   static const char* const      sFormatNames[4];
      76             : 
      77             : private:
      78             :   enum                          {eWithNoInfo, eWithFile, eWithDim, eWithDimAndFile};
      79             :   bool                          mDocumentElementInserted;
      80             : };
      81             : 
      82             : 
      83             : class MediaDocumentStreamListener: public nsIStreamListener
      84             : {
      85             : protected:
      86             :   virtual ~MediaDocumentStreamListener();
      87             : 
      88             : public:
      89             :   explicit MediaDocumentStreamListener(MediaDocument* aDocument);
      90             :   void SetStreamListener(nsIStreamListener *aListener);
      91             : 
      92             :   NS_DECL_ISUPPORTS
      93             : 
      94             :   NS_DECL_NSIREQUESTOBSERVER
      95             : 
      96             :   NS_DECL_NSISTREAMLISTENER
      97             : 
      98             :   RefPtr<MediaDocument>      mDocument;
      99             :   nsCOMPtr<nsIStreamListener>  mNextStream;
     100             : };
     101             : 
     102             : } // namespace dom
     103             : } // namespace mozilla
     104             : 
     105             : #endif /* mozilla_dom_MediaDocument_h */