gecko-dev/dom/html/MediaDocument.h

106 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_MediaDocument_h
#define mozilla_dom_MediaDocument_h
#include "mozilla/Attributes.h"
#include "nsHTMLDocument.h"
#include "nsGenericHTMLElement.h"
#include "nsIStringBundle.h"
#define NSMEDIADOCUMENT_PROPERTIES_URI "chrome://global/locale/layout/MediaDocument.properties"
namespace mozilla {
namespace dom {
class MediaDocument : public nsHTMLDocument
{
public:
MediaDocument();
virtual ~MediaDocument();
virtual nsresult Init() override;
virtual nsresult StartDocumentLoad(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
nsISupports* aContainer,
nsIStreamListener** aDocListener,
bool aReset = true,
nsIContentSink* aSink = nullptr) override;
virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) override;
virtual bool WillIgnoreCharsetOverride() override
{
return true;
}
protected:
void BecomeInteractive();
virtual nsresult CreateSyntheticDocument();
friend class MediaDocumentStreamListener;
nsresult StartLayout();
void GetFileName(nsAString& aResult, nsIChannel* aChannel);
nsresult LinkStylesheet(const nsAString& aStylesheet);
nsresult LinkScript(const nsAString& aScript);
// |aFormatNames[]| needs to have four elements in the following order:
// a format name with neither dimension nor file, a format name with
// filename but w/o dimension, a format name with dimension but w/o filename,
// a format name with both of them. For instance, it can have
// "ImageTitleWithNeitherDimensionsNorFile", "ImageTitleWithoutDimensions",
// "ImageTitleWithDimesions2", "ImageTitleWithDimensions2AndFile".
//
// Also see MediaDocument.properties if you want to define format names
// for a new subclass. aWidth and aHeight are pixels for |ImageDocument|,
// but could be in other units for other 'media', in which case you have to
// define format names accordingly.
void UpdateTitleAndCharset(const nsACString& aTypeStr,
nsIChannel* aChannel,
const char* const* aFormatNames = sFormatNames,
int32_t aWidth = 0,
int32_t aHeight = 0,
const nsAString& aStatus = EmptyString());
nsCOMPtr<nsIStringBundle> mStringBundle;
static const char* const sFormatNames[4];
private:
enum {eWithNoInfo, eWithFile, eWithDim, eWithDimAndFile};
bool mDocumentElementInserted;
};
class MediaDocumentStreamListener: public nsIStreamListener
{
protected:
virtual ~MediaDocumentStreamListener();
public:
explicit MediaDocumentStreamListener(MediaDocument* aDocument);
void SetStreamListener(nsIStreamListener *aListener);
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
RefPtr<MediaDocument> mDocument;
nsCOMPtr<nsIStreamListener> mNextStream;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_MediaDocument_h */