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Viewing changes to src/dee-proxy-model.c

  • Committer: Tarmac
  • Author(s): Michal Hruby
  • Date: 2013-09-17 08:21:38 UTC
  • mfrom: (424.1.6 dee)
  • Revision ID: tarmac-20130917082138-iwnjovqr40nvanjf
Add support for changesets to DeeModel API. Fixes: https://bugs.launchpad.net/bugs/1224008.

Approved by Pawel Stolowski, PS Jenkins bot.

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Lines of Context:
src/dee-proxy-model.c
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  gulong     row_added_handler;
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  gulong     row_removed_handler;
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  gulong     row_changed_handler;
 
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  gulong     changeset_started_handler;
 
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  gulong     changeset_finished_handler;
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};
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#define DEE_PROXY_MODEL_BACK_END(model) (DEE_PROXY_MODEL(model)->priv->back_end)
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                                                      DeeModelTag    *tag,
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                                                      gpointer        value);
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static void           dee_proxy_model_begin_changeset (DeeModel *self);
 
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static void           dee_proxy_model_end_changeset   (DeeModel *self);
 
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/*
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 * Callbacks for relaying signals from the back end model
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 */
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static void           on_back_end_row_changed        (DeeProxyModel *self,
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                                                      DeeModelIter  *iter);
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static void           on_back_end_changeset_started  (DeeProxyModel *self,
 
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                                                      DeeModel *model);
 
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static void           on_back_end_changeset_finished (DeeProxyModel *self,
 
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                                                      DeeModel *model);
 
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/*
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 * Overrides for DeeSerializableModel
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 */
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        g_signal_handler_disconnect (priv->back_end, priv->row_removed_handler);
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      if (priv->row_changed_handler != 0)
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        g_signal_handler_disconnect (priv->back_end, priv->row_changed_handler);
 
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      if (priv->changeset_started_handler != 0)
 
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        g_signal_handler_disconnect (priv->back_end, priv->changeset_started_handler);
 
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      if (priv->changeset_finished_handler != 0)
 
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        g_signal_handler_disconnect (priv->back_end, priv->changeset_finished_handler);
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      g_object_unref (priv->back_end);
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    }
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      priv->row_changed_handler =
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        g_signal_connect_swapped (priv->back_end, "row-changed",
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                                  G_CALLBACK (on_back_end_row_changed), object);
 
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      priv->changeset_started_handler =
 
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        g_signal_connect_swapped (priv->back_end, "changeset-started",
 
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                                  G_CALLBACK (on_back_end_changeset_started),
 
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                                  object);
 
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      priv->changeset_finished_handler =
 
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        g_signal_connect_swapped (priv->back_end, "changeset-finished",
 
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                                  G_CALLBACK (on_back_end_changeset_finished),
 
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                                  object);
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    }
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  /* GObjectClass has NULL 'constructed' member, but we add this check for
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   * from the back end model.
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   * You will most likely want to set this property to false
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   * if the implementation manipulates with the rows in the model and keep
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   * track of seqnums.
 
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   * track of seqnums yourself.
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   **/
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  pspec = g_param_spec_boolean ("inherit-seqnums", "Inherit seqnums",
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                                "Whether or not to inherit seqnums",
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  iface->register_tag          = dee_proxy_model_register_tag;
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  iface->get_tag               = dee_proxy_model_get_tag;
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  iface->set_tag               = dee_proxy_model_set_tag;
 
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  iface->begin_changeset       = dee_proxy_model_begin_changeset;
 
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  iface->end_changeset         = dee_proxy_model_end_changeset;
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  iface->register_vardict_schema = dee_proxy_model_register_vardict_schema;
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  iface->get_vardict_schema      = dee_proxy_model_get_vardict_schema;
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  priv->row_added_handler = 0;
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  priv->row_removed_handler = 0;
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  priv->row_changed_handler = 0;
 
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  priv->changeset_started_handler = 0;
 
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  priv->changeset_finished_handler = 0;
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}
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/*
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  return dee_model_set_tag (DEE_PROXY_MODEL_BACK_END (self), iter, tag, value);
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}
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static void
 
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dee_proxy_model_begin_changeset (DeeModel *self)
 
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{
 
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  g_return_if_fail (DEE_IS_PROXY_MODEL (self));
 
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  dee_model_begin_changeset (DEE_PROXY_MODEL_BACK_END (self));
 
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}
 
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static void
 
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dee_proxy_model_end_changeset (DeeModel *self)
 
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{
 
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  g_return_if_fail (DEE_IS_PROXY_MODEL (self));
 
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  dee_model_end_changeset (DEE_PROXY_MODEL_BACK_END (self));
 
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}
 
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/*
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 * Relay signals from back end
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 */
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  g_signal_emit_by_name (self, "row-changed", iter);
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}
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static void
 
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on_back_end_changeset_started (DeeProxyModel *self,
 
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                               DeeModel *model)
 
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{
 
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  g_signal_emit_by_name (self, "changeset-started");
 
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}
 
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static void
 
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on_back_end_changeset_finished (DeeProxyModel *self,
 
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                                DeeModel *model)
 
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{
 
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  g_signal_emit_by_name (self, "changeset-finished");
 
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}
 
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/*
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 * Overrides for DeeSerializableModel
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 */