Line data    Source code

       1             : /* This Source Code Form is subject to the terms of the Mozilla Public
       2             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       3             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       4             : 
       5             : #ifndef mozilla_image_decoders_icon_gtk_nsIconChannel_h
       6             : #define mozilla_image_decoders_icon_gtk_nsIconChannel_h
       7             : 
       8             : #include "mozilla/Attributes.h"
       9             : 
      10             : #include "nsIChannel.h"
      11             : #include "nsIStreamListener.h"
      12             : #include "nsIURI.h"
      13             : #include "nsIIconURI.h"
      14             : #include "nsCOMPtr.h"
      15             : 
      16             : /// This class is the gnome implementation of nsIconChannel. It basically asks
      17             : /// gtk/gnome for an icon, saves it as a tmp icon, and creates a new channel for
      18             : /// that file to which all calls will be proxied.
      19             : class nsIconChannel final : public nsIChannel
      20             : {
      21             :   public:
      22             :     NS_DECL_ISUPPORTS
      23           0 :     NS_FORWARD_NSIREQUEST(mRealChannel->)
      24           0 :     NS_FORWARD_NSICHANNEL(mRealChannel->)
      25             : 
      26           0 :     nsIconChannel() { }
      27             : 
      28             :     static void Shutdown();
      29             : 
      30             :     /// Called by nsIconProtocolHandler after it creates this channel.
      31             :     /// Must be called before calling any other function on this object.
      32             :     /// If this method fails, no other function must be called on this object.
      33             :     nsresult Init(nsIURI* aURI);
      34             :   private:
      35           0 :     ~nsIconChannel() { }
      36             :     /// The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
      37             :     /// Will always be non-null after a successful Init.
      38             :     nsCOMPtr<nsIChannel> mRealChannel;
      39             : 
      40             :     nsresult InitWithGIO(nsIMozIconURI* aIconURI);
      41             : };
      42             : 
      43             : #endif // mozilla_image_decoders_icon_gtk_nsIconChannel_h