michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsIconChannel_h_
michael@0: #define nsIconChannel_h_
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: #include "nsIChannel.h"
michael@0: #include "nsIStreamListener.h"
michael@0: #include "nsIURI.h"
michael@0: #include "nsIIconURI.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: /**
michael@0:  * This class is the gnome implementation of nsIconChannel. It basically asks
michael@0:  * gtk/gnome for an icon, saves it as a tmp icon, and creates a new channel for
michael@0:  * that file to which all calls will be proxied.
michael@0:  */
michael@0: class nsIconChannel MOZ_FINAL : public nsIChannel {
michael@0:   public:
michael@0:     NS_DECL_ISUPPORTS
michael@0:     NS_FORWARD_NSIREQUEST(mRealChannel->)
michael@0:     NS_FORWARD_NSICHANNEL(mRealChannel->)
michael@0: 
michael@0:     nsIconChannel() {}
michael@0:     ~nsIconChannel() {}
michael@0: 
michael@0:     static void Shutdown();
michael@0: 
michael@0:     /**
michael@0:      * Called by nsIconProtocolHandler after it creates this channel.
michael@0:      * Must be called before calling any other function on this object.
michael@0:      * If this method fails, no other function must be called on this object.
michael@0:      */
michael@0:     NS_HIDDEN_(nsresult) Init(nsIURI* aURI);
michael@0:   private:
michael@0:     /**
michael@0:      * The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
michael@0:      * Will always be non-null after a successful Init.
michael@0:      */
michael@0:     nsCOMPtr<nsIChannel> mRealChannel;
michael@0: 
michael@0:     /**
michael@0:      * Called by Init if we need to use the gnomeui library.
michael@0:      */
michael@0:     nsresult InitWithGnome(nsIMozIconURI *aURI);
michael@0:     nsresult InitWithGIO(nsIMozIconURI *aIconURI);
michael@0: };
michael@0: 
michael@0: #endif