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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /image/decoders/icon/gtk/nsIconChannel.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/decoders/icon/gtk/nsIconChannel.h')
-rw-r--r-- | image/decoders/icon/gtk/nsIconChannel.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/image/decoders/icon/gtk/nsIconChannel.h b/image/decoders/icon/gtk/nsIconChannel.h new file mode 100644 index 0000000000..6ad26602d0 --- /dev/null +++ b/image/decoders/icon/gtk/nsIconChannel.h @@ -0,0 +1,53 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 mozilla_image_decoders_icon_gtk_nsIconChannel_h +#define mozilla_image_decoders_icon_gtk_nsIconChannel_h + +#include "mozilla/Attributes.h" + +#include "nsIChannel.h" +#include "nsIURI.h" +#include "nsIIconURI.h" +#include "nsCOMPtr.h" + +namespace mozilla::ipc { +class ByteBuf; +} + +/// This class is the GTK implementation of nsIconChannel. It asks +/// GTK for the icon, translates the pixel data in-memory into +/// nsIconDecoder format, and proxies the nsChannel interface to a new +/// channel returning that image. +class nsIconChannel final : public nsIChannel { + public: + NS_DECL_ISUPPORTS + NS_FORWARD_NSIREQUEST(mRealChannel->) + NS_FORWARD_NSICHANNEL(mRealChannel->) + + 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. + nsresult Init(nsIURI* aURI); + + /// Obtains an icon, in nsIconDecoder format, as a ByteBuf instead + /// of a channel. For use with IPC. + static nsresult GetIcon(nsIURI* aURI, mozilla::ipc::ByteBuf* aDataOut); + + private: + ~nsIconChannel() {} + /// The input stream channel which will yield the image. + /// Will always be non-null after a successful Init. + nsCOMPtr<nsIChannel> mRealChannel; + + static nsresult GetIconWithGIO(nsIMozIconURI* aIconURI, + mozilla::ipc::ByteBuf* aDataOut); +}; + +#endif // mozilla_image_decoders_icon_gtk_nsIconChannel_h |