1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/image/decoders/icon/gtk/nsIconChannel.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef nsIconChannel_h_
1.9 +#define nsIconChannel_h_
1.10 +
1.11 +#include "mozilla/Attributes.h"
1.12 +
1.13 +#include "nsIChannel.h"
1.14 +#include "nsIStreamListener.h"
1.15 +#include "nsIURI.h"
1.16 +#include "nsIIconURI.h"
1.17 +#include "nsCOMPtr.h"
1.18 +
1.19 +/**
1.20 + * This class is the gnome implementation of nsIconChannel. It basically asks
1.21 + * gtk/gnome for an icon, saves it as a tmp icon, and creates a new channel for
1.22 + * that file to which all calls will be proxied.
1.23 + */
1.24 +class nsIconChannel MOZ_FINAL : public nsIChannel {
1.25 + public:
1.26 + NS_DECL_ISUPPORTS
1.27 + NS_FORWARD_NSIREQUEST(mRealChannel->)
1.28 + NS_FORWARD_NSICHANNEL(mRealChannel->)
1.29 +
1.30 + nsIconChannel() {}
1.31 + ~nsIconChannel() {}
1.32 +
1.33 + static void Shutdown();
1.34 +
1.35 + /**
1.36 + * Called by nsIconProtocolHandler after it creates this channel.
1.37 + * Must be called before calling any other function on this object.
1.38 + * If this method fails, no other function must be called on this object.
1.39 + */
1.40 + NS_HIDDEN_(nsresult) Init(nsIURI* aURI);
1.41 + private:
1.42 + /**
1.43 + * The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
1.44 + * Will always be non-null after a successful Init.
1.45 + */
1.46 + nsCOMPtr<nsIChannel> mRealChannel;
1.47 +
1.48 + /**
1.49 + * Called by Init if we need to use the gnomeui library.
1.50 + */
1.51 + nsresult InitWithGnome(nsIMozIconURI *aURI);
1.52 + nsresult InitWithGIO(nsIMozIconURI *aIconURI);
1.53 +};
1.54 +
1.55 +#endif
