/image/decoders/icon/gtk/nsIconChannel.h

http://github.com/zpao/v8monkey · C Header · 84 lines · 23 code · 9 blank · 52 comment · 0 complexity · 3c376b3479e2512cdffba0b36ad1acf8 MD5 · raw file

  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  3. *
  4. * The contents of this file are subject to the Mozilla Public License Version
  5. * 1.1 (the "License"); you may not use this file except in compliance with
  6. * the License. You may obtain a copy of the License at
  7. * http://www.mozilla.org/MPL/
  8. *
  9. * Software distributed under the License is distributed on an "AS IS" basis,
  10. * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11. * for the specific language governing rights and limitations under the
  12. * License.
  13. *
  14. * The Original Code is the Mozilla icon channel for gnome.
  15. *
  16. * The Initial Developer of the Original Code is
  17. * Christian Biesinger <cbiesinger@web.de>.
  18. * Portions created by the Initial Developer are Copyright (C) 2004
  19. * the Initial Developer. All Rights Reserved.
  20. *
  21. * Contributor(s):
  22. *
  23. * Alternatively, the contents of this file may be used under the terms of
  24. * either the GNU General Public License Version 2 or later (the "GPL"), or
  25. * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  26. * in which case the provisions of the GPL or the LGPL are applicable instead
  27. * of those above. If you wish to allow use of your version of this file only
  28. * under the terms of either the GPL or the LGPL, and not to allow others to
  29. * use your version of this file under the terms of the MPL, indicate your
  30. * decision by deleting the provisions above and replace them with the notice
  31. * and other provisions required by the GPL or the LGPL. If you do not delete
  32. * the provisions above, a recipient may use your version of this file under
  33. * the terms of any one of the MPL, the GPL or the LGPL.
  34. *
  35. * ***** END LICENSE BLOCK ***** */
  36. #ifndef nsIconChannel_h_
  37. #define nsIconChannel_h_
  38. #include "mozilla/Attributes.h"
  39. #include "nsIChannel.h"
  40. #include "nsIStreamListener.h"
  41. #include "nsIURI.h"
  42. #include "nsIIconURI.h"
  43. #include "nsCOMPtr.h"
  44. /**
  45. * This class is the gnome implementation of nsIconChannel. It basically asks
  46. * gtk/gnome for an icon, saves it as a tmp icon, and creates a new channel for
  47. * that file to which all calls will be proxied.
  48. */
  49. class nsIconChannel MOZ_FINAL : public nsIChannel {
  50. public:
  51. NS_DECL_ISUPPORTS
  52. NS_FORWARD_NSIREQUEST(mRealChannel->)
  53. NS_FORWARD_NSICHANNEL(mRealChannel->)
  54. nsIconChannel() {}
  55. ~nsIconChannel() {}
  56. static void Shutdown();
  57. /**
  58. * Called by nsIconProtocolHandler after it creates this channel.
  59. * Must be called before calling any other function on this object.
  60. * If this method fails, no other function must be called on this object.
  61. */
  62. NS_HIDDEN_(nsresult) Init(nsIURI* aURI);
  63. private:
  64. /**
  65. * The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
  66. * Will always be non-null after a successful Init.
  67. */
  68. nsCOMPtr<nsIChannel> mRealChannel;
  69. /**
  70. * Called by Init if we need to use the gnomeui library.
  71. */
  72. nsresult InitWithGnome(nsIMozIconURI *aURI);
  73. nsresult InitWithGIO(nsIMozIconURI *aIconURI);
  74. };
  75. #endif