gecko/image/decoders/icon/gtk/nsIconChannel.h
2012-05-21 12:12:37 +01:00

53 lines
1.5 KiB
C++

/* 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 nsIconChannel_h_
#define nsIconChannel_h_
#include "mozilla/Attributes.h"
#include "nsIChannel.h"
#include "nsIStreamListener.h"
#include "nsIURI.h"
#include "nsIIconURI.h"
#include "nsCOMPtr.h"
/**
* This class is the gnome implementation of nsIconChannel. It basically asks
* gtk/gnome for an icon, saves it as a tmp icon, and creates a new channel for
* that file to which all calls will be proxied.
*/
class nsIconChannel MOZ_FINAL : public nsIChannel {
public:
NS_DECL_ISUPPORTS
NS_FORWARD_NSIREQUEST(mRealChannel->)
NS_FORWARD_NSICHANNEL(mRealChannel->)
nsIconChannel() {}
~nsIconChannel() {}
static void Shutdown();
/**
* Called by nsIconProtocolHandler after it creates this channel.
* Must be called before calling any other function on this object.
* If this method fails, no other function must be called on this object.
*/
NS_HIDDEN_(nsresult) Init(nsIURI* aURI);
private:
/**
* The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
* Will always be non-null after a successful Init.
*/
nsCOMPtr<nsIChannel> mRealChannel;
/**
* Called by Init if we need to use the gnomeui library.
*/
nsresult InitWithGnome(nsIMozIconURI *aURI);
nsresult InitWithGIO(nsIMozIconURI *aIconURI);
};
#endif