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Firstly, this patch makes MetawaylandDataSource a GObject. This is in order to easier track its lifetime without adding destroy signals etc. It also makes the vfunc table GObject class functions instead while at it, as well as moves protocol specific part of the source into their own implementations. An important part of this patch is the change of ownership. Prior to this patch, MetaWaylandDataDevice would kind of own the source, but for Wayland sources it would remove it if the corresponding wl_resource was destroyed. For XWayland clients it would own it completely, and only remove it if the source was replaced. This patch changes so that the protocol implementation owns the source. For Wayland sources, the wl_resource owns the source, and the MetaWaylandDataDevice sets a weak reference (so in other words, no semantical changes really). For XWayland sources, the source is owned by the selection bridge, and not removed until replaced or if the client goes away. Given the changes in ownership, data offers may now properly track the lifetime of a source it represents. Prior to this patch, if an offer with an XWayland source would loose its source, it wouldn't get notified and have an invalid pointer it would potentally crash on. For Wayland sources, an offer would have a weak reference and clean itself up if the source went away. This patch changes so the behavior is consistent, meaning a weak reference is added to the source GObject so that the offer can behave correctly both for Wayland sources and XWayland sources. https://bugzilla.gnome.org/show_bug.cgi?id=750680
35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2015 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by:
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* Jonas Ådahl <jadahl@gmail.com>
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*/
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#ifndef META_XWAYLAND_SELECTION_PRIVATE_H
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#define META_XWAYLAND_SELECTION_PRIVATE_H
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#define META_TYPE_WAYLAND_DATA_SOURCE_XWAYLAND (meta_wayland_data_source_xwayland_get_type ())
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G_DECLARE_FINAL_TYPE (MetaWaylandDataSourceXWayland,
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meta_wayland_data_source_xwayland,
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META, WAYLAND_DATA_SOURCE_XWAYLAND,
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MetaWaylandDataSource);
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#endif /* META_XWAYLAND_SELECTION_PRIVATE_H */
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