diff options
Diffstat (limited to 'libindicate')
-rw-r--r-- | libindicate/Makefile.am | 60 | ||||
-rw-r--r-- | libindicate/indicate.pc.in | 2 | ||||
-rw-r--r-- | libindicate/indicator-message.c | 7 | ||||
-rw-r--r-- | libindicate/indicator-message.h | 39 | ||||
-rw-r--r-- | libindicate/indicator.c | 205 | ||||
-rw-r--r-- | libindicate/indicator.h | 72 | ||||
-rw-r--r-- | libindicate/interests.h | 5 | ||||
-rw-r--r-- | libindicate/listener-private.h | 63 | ||||
-rw-r--r-- | libindicate/listener.c | 239 | ||||
-rw-r--r-- | libindicate/listener.h | 14 | ||||
-rw-r--r-- | libindicate/server-marshal.list | 29 | ||||
-rw-r--r-- | libindicate/server.c | 232 | ||||
-rw-r--r-- | libindicate/server.h | 87 |
13 files changed, 897 insertions, 157 deletions
diff --git a/libindicate/Makefile.am b/libindicate/Makefile.am index c1900a6..d4746fb 100644 --- a/libindicate/Makefile.am +++ b/libindicate/Makefile.am @@ -1,3 +1,6 @@ +MARSHAL_PREFIX = indicate_marshal +MARSHAL_FILE = indicate-marshal +ENUM_FILE = indicate-enum-types INCLUDES= \ -DG_LOG_DOMAIN=\"libindicate\" @@ -6,6 +9,7 @@ EXTRA_DIST = \ indicate-interface.xml \ indicate-listener.xml \ listener-marshal.list \ + server-marshal.list \ indicate.pc.in BUILT_SOURCES = \ @@ -14,7 +18,11 @@ BUILT_SOURCES = \ dbus-listener-server.h \ dbus-listener-client.h \ listener-marshal.c \ - listener-marshal.h + listener-marshal.h \ + server-marshal.c \ + server-marshal.h \ + $(ENUM_FILE).h \ + $(ENUM_FILE).c lib_LTLIBRARIES = \ libindicate.la @@ -26,7 +34,8 @@ indicate_headers = \ indicator-message.h \ listener.h \ server.h \ - interests.h + interests.h \ + $(ENUM_FILE).h libindicateinclude_HEADERS = \ $(indicate_headers) @@ -37,10 +46,14 @@ libindicate_la_SOURCES = \ dbus-indicate-client.h \ dbus-listener-server.h \ dbus-listener-client.h \ + indicate-enum-types.c \ server.c \ + server-marshal.c \ + server-marshal.h \ listener.c \ listener-marshal.c \ listener-marshal.h \ + listener-private.h \ indicator.c \ indicator-message.c \ interests-priv.h @@ -94,9 +107,52 @@ listener-marshal.c: $(srcdir)/listener-marshal.list --prefix=_indicate_listener_marshal $(srcdir)/listener-marshal.list \ > listener-marshal.c +server-marshal.h: $(srcdir)/server-marshal.list + glib-genmarshal --header \ + --prefix=_indicate_server_marshal $(srcdir)/server-marshal.list \ + > server-marshal.h + +server-marshal.c: $(srcdir)/server-marshal.list + glib-genmarshal --body \ + --prefix=_indicate_server_marshal $(srcdir)/server-marshal.list \ + > server-marshal.c + pkgconfig_DATA = indicate.pc pkgconfigdir = $(libdir)/pkgconfig +$(ENUM_FILE).h: s-enum-types-h + @true +s-enum-types-h: $(indicate_headers) Makefile + ( cd $(srcdir) && glib-mkenums \ + --fhead "#ifndef _INDICATE_ENUM_TYPES_H_\n#define _INDICATE_ENUM_TYPES_H_\n\n#include <glib-object.h>\n\nG_BEGIN_DECLS\n" \ + --fprod "/* enumerations from \"@filename@\" */\n" \ + --vhead "GType @enum_name@_get_type(void);\n#define INDICATE_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n" \ + --ftail "G_END_DECLS\n\n#endif /* _INDICATE_ENUM_TYPES_H_ */" \ + interests.h ) > tmp-$(ENUM_FILE).h \ + && (cmp -s tmp-$(ENUM_FILE).h $(ENUM_FILE).h || cp tmp-$(ENUM_FILE).h $(ENUM_FILE).h ) \ + && rm -f tmp-$(ENUM_FILE).h \ + && echo timestamp > $(@F) + +$(ENUM_FILE).c: s-enum-types-c + @true +s-enum-types-c: $(indicate_headers) Makefile + ( cd $(srcdir) && glib-mkenums \ + --fhead "#include \"interests.h\"\n#include <glib-object.h>" \ + --fprod "\n/* enumerations from \"@filename@\" */" \ + --vhead "GType\n@enum_name@_get_type (void)\n{\n static GType etype = 0;\n if (etype == 0) {\n static const G@Type@Value values[] = {" \ + --vprod " { @VALUENAME@, \"@VALUENAME@\", \"@valuenick@\" }," \ + --vtail " { 0, NULL, NULL }\n };\n etype = g_@type@_register_static (\"@EnumName@\", values);\n }\n return etype;\n}\n" \ + interests.h ) > tmp-$(ENUM_FILE).c \ + && (cmp -s tmp-$(ENUM_FILE).c $(ENUM_FILE).c || cp tmp-$(ENUM_FILE).c $(ENUM_FILE).c ) \ + && rm -f tmp-$(ENUM_FILE).c \ + && echo timestamp > $(@F) + +CLEANFILES = \ + $(ENUM_FILE).c \ + $(ENUM_FILE).h \ + s-enum-types-c \ + s-enum-types-h + if USE_GIR gobjectintrospection_gir_DATA = \ diff --git a/libindicate/indicate.pc.in b/libindicate/indicate.pc.in index cdc79b6..ff17ecb 100644 --- a/libindicate/indicate.pc.in +++ b/libindicate/indicate.pc.in @@ -5,7 +5,7 @@ bindir=@bindir@ includedir=@includedir@ Cflags: -I${includedir}/libindicate-0.1 -Requires: gtk+-2.0 dbus-glib-1 +Requires: gobject-2.0 glib-2.0 dbus-glib-1 Libs: -L${libdir} -lindicate Name: libindicate diff --git a/libindicate/indicator-message.c b/libindicate/indicator-message.c index 4e8ef30..9cd735a 100644 --- a/libindicate/indicator-message.c +++ b/libindicate/indicator-message.c @@ -85,6 +85,13 @@ indicate_indicator_message_finalize (GObject *object) G_OBJECT_CLASS (indicate_indicator_message_parent_class)->finalize (object); } +/** + indicate_indicator_message_new: + + Builds a new indicator message object using #g_object_new. + + Return value: A pointer to a new #IndicateIndicatorMessage object. +*/ static const gchar * get_indicator_type (IndicateIndicator * indicator) { diff --git a/libindicate/indicator-message.h b/libindicate/indicator-message.h index 0910477..76273c6 100644 --- a/libindicate/indicator-message.h +++ b/libindicate/indicator-message.h @@ -47,19 +47,46 @@ G_BEGIN_DECLS typedef struct _IndicateIndicatorMessage IndicateIndicatorMessage; typedef struct _IndicateIndicatorMessageClass IndicateIndicatorMessageClass; -struct _IndicateIndicatorMessageClass -{ -IndicateIndicatorClass parent_class; +/** + IndicateIndicatorMessageClass: + @parent_class: Parent Class + + Subclass of #IndicateIndicator with no new functions or signals. +*/ +struct _IndicateIndicatorMessageClass { + IndicateIndicatorClass parent_class; }; -struct _IndicateIndicatorMessage -{ -IndicateIndicator parent; +/** + IndicateIndicatorMessage: + + A class to represent indicators who's 'type' is "message". These + are basically indicators that represent messages from humans to + humans via computers. Things like instance messages, micro blogging + entries or e-mails. All of these qualify as messages. + + TODO: This should include a list of properties that are supported. +*/ +struct _IndicateIndicatorMessage { + IndicateIndicator parent; }; GType indicate_indicator_message_get_type (void); IndicateIndicatorMessage * indicate_indicator_message_new (void); +/** + SECTION:indicator-message + @short_description: A representation of human generated messages + @stability: Unstable + @include: libindicate/indicator-message.h + + The message indicators represent messages that come from humans + to humans using computers. They come in all different forms with + various different interaction protocols, but they all want the human + at the computer to interact back with the human that sent the + message. +*/ + G_END_DECLS #endif diff --git a/libindicate/indicator.c b/libindicate/indicator.c index dfcba67..cb257eb 100644 --- a/libindicate/indicator.c +++ b/libindicate/indicator.c @@ -76,6 +76,14 @@ indicate_indicator_class_init (IndicateIndicatorClass * class) gobj->finalize = indicate_indicator_finalize; + /** + IndicateIndicator::display: + @arg0: The #IndicateIndicator object + + Emitted when the user has clicked on this indicator. In the + messaging indicator this would be when someone clicks on the + menu item for the indicator. + */ signals[USER_DISPLAY] = g_signal_new(INDICATE_INDICATOR_SIGNAL_DISPLAY, G_TYPE_FROM_CLASS(class), G_SIGNAL_RUN_LAST, @@ -83,6 +91,15 @@ indicate_indicator_class_init (IndicateIndicatorClass * class) NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + /** + IndicateIndicator::hide: + @arg0: The #IndicateIndicator object + + Emitted every time this indicator is hidden. This + is mostly used by #IndicateServer. + + Typically this results in an emition of #IndicateServer::indicator-removed. + */ signals[HIDE] = g_signal_new(INDICATE_INDICATOR_SIGNAL_HIDE, G_TYPE_FROM_CLASS(class), G_SIGNAL_RUN_LAST, @@ -90,6 +107,15 @@ indicate_indicator_class_init (IndicateIndicatorClass * class) NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + /** + IndicateIndicator::show: + @arg0: The #IndicateIndicator object + + Emitted every time this indicator is shown. This + is mostly used by #IndicateServer. + + Typically this results in an emition of #IndicateServer::indicator-added. + */ signals[SHOW] = g_signal_new(INDICATE_INDICATOR_SIGNAL_SHOW, G_TYPE_FROM_CLASS(class), G_SIGNAL_RUN_LAST, @@ -97,6 +123,16 @@ indicate_indicator_class_init (IndicateIndicatorClass * class) NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + /** + IndicateIndicator::modified: + @arg0: The #IndicateIndicator object + @arg1: The name of the property that changed. + + Emitted every time an indicator property is changed. + This is mostly used by #IndicateServer. + + Typically this results in an emition of #IndicateServer::indicator-modified. + */ signals[MODIFIED] = g_signal_new(INDICATE_INDICATOR_SIGNAL_MODIFIED, G_TYPE_FROM_CLASS(class), G_SIGNAL_RUN_LAST, @@ -145,6 +181,21 @@ indicate_indicator_finalize (GObject * obj) return; } +/** + indicate_indicator_get_type: + + Gets a unique #GType for the #IndicateIndicator objects. + + Return value: A unique #GType value. +*/ + +/** + indicate_indicator_new: + + Builds a new indicator object using g_object_new(). + + Return value: A pointer to a new #IndicateIndicator object. +*/ IndicateIndicator * indicate_indicator_new (void) { @@ -152,6 +203,44 @@ indicate_indicator_new (void) return indicator; } +/** + indicate_indicator_new_with_server: + @server: The server that should be associated with this indicator. + + Builds a new indicator object using g_object_new() and sets + the server to the specified server. Also, adds a reference + to the server. + + Return value: A pointer to a new #IndicateIndicator object. +*/ +IndicateIndicator * +indicate_indicator_new_with_server (IndicateServer * server) +{ + g_return_val_if_fail(server != NULL, NULL); + + IndicateIndicator * indicator = g_object_new(INDICATE_TYPE_INDICATOR, NULL); + + IndicateIndicatorPrivate * priv = INDICATE_INDICATOR_GET_PRIVATE(indicator); + if (priv->server != NULL) { + g_object_unref(priv->server); + priv->server = NULL; + } + + priv->server = server; + g_object_ref(priv->server); + + return indicator; +} + + +/** + indicate_indicator_show: + @indicator: a #IndicateIndicator to act on + + Shows this indicator on the bus. If the #IndicateServer that it's + connected to is not shown itself this function will show the server + as well using #indicate_server_show. +*/ void indicate_indicator_show (IndicateIndicator * indicator) { @@ -171,6 +260,13 @@ indicate_indicator_show (IndicateIndicator * indicator) return; } +/** + indicate_indicator_hide: + @indicator: a #IndicateIndicator to act on + + Hides the indicator from the bus. Does not effect the + indicator's #IndicateServer in any way. +*/ void indicate_indicator_hide (IndicateIndicator * indicator) { @@ -186,6 +282,14 @@ indicate_indicator_hide (IndicateIndicator * indicator) return; } +/** + indicate_indicator_is_visible: + @indicator: a #IndicateIndicator to act on + + Checkes the visibility status of @indicator. + + Return value: %TRUE if the indicator is visible else %FALSE. +*/ gboolean indicate_indicator_is_visible (IndicateIndicator * indicator) { @@ -194,6 +298,15 @@ indicate_indicator_is_visible (IndicateIndicator * indicator) return priv->is_visible; } +/** + indicate_indicator_get_id: + @indicator: a #IndicateIndicator to act on + + Gets the ID value of the @indicator. + + Return value: The ID of the indicator. Can not be zero. + Zero represents an error. +*/ guint indicate_indicator_get_id (IndicateIndicator * indicator) { @@ -202,6 +315,15 @@ indicate_indicator_get_id (IndicateIndicator * indicator) return priv->id; } +/** + indicate_indicator_get_indicator_type: + @indicator: a #IndicateIndicator to act on + + Returns the type of @indicator. This is largely set by the subclass + that the indicator was built with and should not be free'd. + + Return value: A string defining the type or NULL for no type. +*/ const gchar * indicate_indicator_get_indicator_type (IndicateIndicator * indicator) { @@ -215,6 +337,14 @@ indicate_indicator_get_indicator_type (IndicateIndicator * indicator) return NULL; } +/** + indicate_indicator_user_display: + @indicator: a #IndicateIndicator to act on + + Emits the #IndicateIndicator::user-display signal simliar to a user + clicking on @indicator over the bus. Signal will not be sent if the + @indicator is not visible. +*/ void indicate_indicator_user_display (IndicateIndicator * indicator) { @@ -227,6 +357,18 @@ indicate_indicator_user_display (IndicateIndicator * indicator) return; } +/** + indicate_indicator_set_property: + @indicator: a #IndicateIndicator to act on + @key: name of the property + @data: value of the property + + Sets a simple string property on @indicator. If the property + had previously been set it will replace it with the new value, + otherwise it will create the property. This will include an + emition of #IndicateIndicator::modified if the property value + was changed. +*/ void indicate_indicator_set_property (IndicateIndicator * indicator, const gchar * key, const gchar * data) { @@ -238,39 +380,17 @@ indicate_indicator_set_property (IndicateIndicator * indicator, const gchar * ke return class->set_property(indicator, key, data); } -void -indicate_indicator_set_property_icon (IndicateIndicator * indicator, const gchar * key, const GdkPixbuf * data) -{ - if (!GDK_IS_PIXBUF(data)) { - g_warning("Invalide GdkPixbuf"); - return; - } - - GError * error = NULL; - gchar * png_data; - gsize png_data_len; - - if (!gdk_pixbuf_save_to_buffer((GdkPixbuf *)data, &png_data, &png_data_len, "png", &error, NULL)) { - if (error == NULL) { - g_warning("Unable to create pixbuf data stream: %d", png_data_len); - } else { - g_warning("Unable to create pixbuf data stream: %s", error->message); - g_error_free(error); - error = NULL; - } - - return; - } - - gchar * prop_str = g_base64_encode((guchar *)png_data, png_data_len); - indicate_indicator_set_property(indicator, key, prop_str); - - g_free(prop_str); - g_free(png_data); - - return; -} +/** + indicate_indicator_set_property_time: + @indicator: a #IndicateIndicator to act on + @key: name of the property + @time: time to set property with + This is a helper function that wraps around #indicate_indicator_set_property + but takes an #GTimeVal parameter. It then takes the @data + parameter converts it to an ISO 8601 time string and + uses that data to call #indicate_indicator_set_property. +*/ void indicate_indicator_set_property_time (IndicateIndicator * indicator, const gchar * key, GTimeVal * time) { @@ -282,6 +402,16 @@ indicate_indicator_set_property_time (IndicateIndicator * indicator, const gchar return; } +/** + indicate_indicator_get_property: + @indicator: a #IndicateIndicator to act on + @key: name of the property + + Returns the value that is set for a property or %NULL if that + property is not set. + + Return value: A constant string or NULL. +*/ const gchar * indicate_indicator_get_property (IndicateIndicator * indicator, const gchar * key) { @@ -293,6 +423,17 @@ indicate_indicator_get_property (IndicateIndicator * indicator, const gchar * ke return class->get_property(indicator, key); } +/** + indicate_indicator_list_properties: + @indicator: a #IndicateIndicator to act on + + This function gets a list of all the properties that exist + on a @indicator. The array may have zero entries but almost + always at least has 'type' in it. + + Return value: An array of strings that is the keys of all + the properties on this indicator. +*/ GPtrArray * indicate_indicator_list_properties (IndicateIndicator * indicator) { diff --git a/libindicate/indicator.h b/libindicate/indicator.h index 8af5568..20b998d 100644 --- a/libindicate/indicator.h +++ b/libindicate/indicator.h @@ -33,8 +33,6 @@ License version 3 and version 2.1 along with this program. If not, see #include <glib.h> #include <glib-object.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - G_BEGIN_DECLS /* Boilerplate */ @@ -56,10 +54,45 @@ G_BEGIN_DECLS typedef struct _IndicateIndicator IndicateIndicator; typedef struct _IndicateIndicatorClass IndicateIndicatorClass; +/** + IndicateIndicator: + + The indicator object represents a single item that is shared over the + indicator bus. This could be something like one IM, one e-mail or + a single system update. It should be accessed only through its + accessors. +*/ struct _IndicateIndicator { GObject parent; }; +#include "server.h" + +/** + IndicateIndicatorClass: + @parent_class: Parent class #GObjectClass. + @hide: Slot for #IndicateIndicator::hide. + @show: Slot for #IndicateIndicator::show. + @user_display: Slot for #IndicateIndicator::user-display. + @modified: Slot for #IndicateIndicator::modified. + @get_type: Returns a constant string for the type of this indicator. + Typically gets overridden by subclasses and defines the type of + the indicator. Is called by indicate_indicator_get_indicator_type(). + @set_property: Called when indicate_indicator_set_property() is called + and should set the value. While typically it is overridden by + subclasses they usually handle special properties themselves and + then call the superclass for storage. + @get_property: Called when indicate_indicator_get_property() is called + and should return the value requested. Many times this is left alone. + @list_properties: Called when indicate_indicator_list_properties() is called + and returns a list of the properties available. Again this can be + overridden by subclasses to handle special properties. + + All of the functions that are used to modify or change data that is + in the indicator. Typically gets subclassed by other types of + indicators, for example #IndicateIndicatorMessages. + +*/ struct _IndicateIndicatorClass { GObjectClass parent_class; @@ -76,7 +109,9 @@ struct _IndicateIndicatorClass { GType indicate_indicator_get_type(void) G_GNUC_CONST; +/* New Indicator Functions */ IndicateIndicator * indicate_indicator_new (void); +IndicateIndicator * indicate_indicator_new_with_server (IndicateServer * server); /* Show and hide this indicator */ void indicate_indicator_show (IndicateIndicator * indicator); @@ -95,12 +130,41 @@ void indicate_indicator_user_display (IndicateIndicator * indicator); /* Properties handling */ void indicate_indicator_set_property (IndicateIndicator * indicator, const gchar * key, const gchar * data); -void indicate_indicator_set_property_icon (IndicateIndicator * indicator, const gchar * key, const GdkPixbuf * data); void indicate_indicator_set_property_time (IndicateIndicator * indicator, const gchar * key, GTimeVal * time); const gchar * indicate_indicator_get_property (IndicateIndicator * indicator, const gchar * key); GPtrArray * indicate_indicator_list_properties (IndicateIndicator * indicator); +/** + SECTION:indicator + @short_description: A representation of state for applications + @stability: Unstable + @include: libindicate/indicator.h + + An indicator is designed to represent a single instance of something + in your application. So this might be an IM or Email using #IndicateIndicatorMessage + or any other thing that is a small unit of information to pass on + to the user. + + Indicators make no promises about how they are preceived by the + user, it's up to the listener to represent them in an intutive and + visually appealling way. But, what we can do is provide information + on the indicator to provide enough information for the listener + to do that. + + Mostly this is done through properties. The only property that is + defined for the base indicator is the 'type' property. And this + is only available to set by creating a subclass of the + #IndicateIndicator object. It is assumed that you can look at the + definitions of the various subtypes to determine which properties + they support. + + It may be that some users don't want to create objects for every + indicator as it could be a lot of overhead if there are large numbers + and there is already a data structure representing them all. In that + case it is recommended that you ignore the #IndicateIndicator object + tree in general and move to subclassing #IndicateServer directly. +*/ + G_END_DECLS #endif /* INDICATE_INDICATOR_H_INCLUDED__ */ - diff --git a/libindicate/interests.h b/libindicate/interests.h index 70c52d9..1c6215a 100644 --- a/libindicate/interests.h +++ b/libindicate/interests.h @@ -34,8 +34,7 @@ License version 3 and version 2.1 along with this program. If not, see G_BEGIN_DECLS -typedef enum _IndicateInterests IndicateInterests; -enum _IndicateInterests { +typedef enum { INDICATE_INTEREST_NONE, /**< We're of no interest */ INDICATE_INTEREST_SERVER_DISPLAY, /**< Displays the server's existance to the user */ INDICATE_INTEREST_SERVER_SIGNAL, /**< Will send signals to the server to be displayed */ @@ -43,7 +42,7 @@ enum _IndicateInterests { INDICATE_INTEREST_INDICATOR_SIGNAL, /**< Will return signals based on individual indicators being responded to */ INDICATE_INTEREST_INDICATOR_COUNT, /**< Only displays a count of the indicators */ INDICATE_INTEREST_LAST /**< Makes merges and counting easier */ -}; +} IndicateInterests; G_END_DECLS diff --git a/libindicate/listener-private.h b/libindicate/listener-private.h new file mode 100644 index 0000000..ea1b108 --- /dev/null +++ b/libindicate/listener-private.h @@ -0,0 +1,63 @@ +/* +A library to allow applictions to provide simple indications of +information to be displayed to users of the application through the +interface shell. + +Copyright 2009 Canonical Ltd. + +Authors: + Ted Gould <ted@canonical.com> + +This program is free software: you can redistribute it and/or modify it +under the terms of either or both of the following licenses: + +1) the GNU Lesser General Public License version 3, as published by the +Free Software Foundation; and/or +2) the GNU Lesser General Public License version 2.1, as published by +the Free Software Foundation. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranties of +MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR +PURPOSE. See the applicable version of the GNU Lesser General Public +License for more details. + +You should have received a copy of both the GNU Lesser General Public +License version 3 and version 2.1 along with this program. If not, see +<http://www.gnu.org/licenses/> +*/ + +#ifndef INDICATE_LISTENER_PRIVATE_H__ +#define INDICATE_LISTENER_PRIVATE_H__ 1 + +struct _IndicateListenerServer { + gchar * name; + DBusGProxy * proxy; + DBusGConnection * connection; + gboolean interests[INDICATE_INTEREST_LAST]; +}; + +struct _IndicateListenerIndicator { + guint id; +}; + +typedef struct _IndicateListenerPrivate IndicateListenerPrivate; +struct _IndicateListenerPrivate +{ + DBusGConnection * session_bus; + DBusGConnection * system_bus; + + DBusGProxy * dbus_proxy_session; + DBusGProxy * dbus_proxy_system; + + GList * proxies_working; + GList * proxies_possible; + + GArray * proxy_todo; + guint todo_idle; +}; + +#define INDICATE_LISTENER_GET_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATE_TYPE_LISTENER, IndicateListenerPrivate)) + +#endif /* INDICATE_LISTENER_PRIVATE_H__ */ diff --git a/libindicate/listener.c b/libindicate/listener.c index 3cc84b6..48ad616 100644 --- a/libindicate/listener.c +++ b/libindicate/listener.c @@ -27,6 +27,9 @@ License version 3 and version 2.1 along with this program. If not, see <http://www.gnu.org/licenses/> */ +#include <libxml/parser.h> +#include <libxml/tree.h> + #include "listener.h" #include "listener-marshal.h" #include <dbus/dbus-glib-bindings.h> @@ -51,35 +54,7 @@ enum { static guint signals[LAST_SIGNAL] = { 0 }; -struct _IndicateListenerServer { - gchar * name; - DBusGProxy * proxy; - DBusGConnection * connection; - gboolean interests[INDICATE_INTEREST_LAST]; -}; - -struct _IndicateListenerIndicator { - guint id; -}; - -typedef struct _IndicateListenerPrivate IndicateListenerPrivate; -struct _IndicateListenerPrivate -{ - DBusGConnection * session_bus; - DBusGConnection * system_bus; - - DBusGProxy * dbus_proxy_session; - DBusGProxy * dbus_proxy_system; - - GList * proxies_working; - GList * proxies_possible; - - GArray * proxy_todo; - guint todo_idle; -}; - -#define INDICATE_LISTENER_GET_PRIVATE(o) \ - (G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATE_TYPE_LISTENER, IndicateListenerPrivate)) +#include "listener-private.h" typedef struct { DBusGProxy * proxy; @@ -89,6 +64,7 @@ typedef struct { gchar * type; IndicateListener * listener; GHashTable * indicators; + guint introspect_level; IndicateListenerServer server; } proxy_t; @@ -129,6 +105,7 @@ static void proxy_indicator_modified (DBusGProxy * proxy, guint id, const gchar static void proxy_get_indicator_list (DBusGProxy * proxy, GArray * indicators, GError * error, gpointer data); static void proxy_get_indicator_type (DBusGProxy * proxy, gchar * type, GError * error, gpointer data); static void proxy_indicators_free (gpointer data); +static void introspect_this (DBusGProxy * proxy, char * OUT_data, GError * error, gpointer data); /* DBus interface */ gboolean _indicate_listener_get_indicator_servers (IndicateListener * listener, GList * servers); @@ -154,35 +131,35 @@ indicate_listener_class_init (IndicateListenerClass * class) G_STRUCT_OFFSET (IndicateListenerClass, indicator_added), NULL, NULL, _indicate_listener_marshal_VOID__POINTER_POINTER_STRING, - G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_STRING); + G_TYPE_NONE, 3, INDICATE_TYPE_LISTENER_SERVER, INDICATE_TYPE_LISTENER_INDICATOR, G_TYPE_STRING); signals[INDICATOR_REMOVED] = g_signal_new(INDICATE_LISTENER_SIGNAL_INDICATOR_REMOVED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateListenerClass, indicator_removed), NULL, NULL, _indicate_listener_marshal_VOID__POINTER_POINTER_STRING, - G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_STRING); + G_TYPE_NONE, 3, INDICATE_TYPE_LISTENER_SERVER, INDICATE_TYPE_LISTENER_INDICATOR, G_TYPE_STRING); signals[INDICATOR_MODIFIED] = g_signal_new(INDICATE_LISTENER_SIGNAL_INDICATOR_MODIFIED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateListenerClass, indicator_modified), NULL, NULL, _indicate_listener_marshal_VOID__POINTER_POINTER_STRING_STRING, - G_TYPE_NONE, 4, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_STRING, G_TYPE_STRING); + G_TYPE_NONE, 4, INDICATE_TYPE_LISTENER_SERVER, INDICATE_TYPE_LISTENER_INDICATOR, G_TYPE_STRING, G_TYPE_STRING); signals[SERVER_ADDED] = g_signal_new(INDICATE_LISTENER_SIGNAL_SERVER_ADDED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateListenerClass, server_added), NULL, NULL, _indicate_listener_marshal_VOID__POINTER_STRING, - G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_STRING); + G_TYPE_NONE, 2, INDICATE_TYPE_LISTENER_SERVER, G_TYPE_STRING); signals[SERVER_REMOVED] = g_signal_new(INDICATE_LISTENER_SIGNAL_SERVER_REMOVED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateListenerClass, server_removed), NULL, NULL, _indicate_listener_marshal_VOID__POINTER_STRING, - G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_STRING); + G_TYPE_NONE, 2, INDICATE_TYPE_LISTENER_SERVER, G_TYPE_STRING); dbus_g_object_register_marshaller(_indicate_listener_marshal_VOID__UINT_STRING, G_TYPE_NONE, @@ -272,8 +249,19 @@ indicate_listener_init (IndicateListener * listener) static void indicate_listener_finalize (GObject * obj) { - /* IndicateListener * listener = INDICATE_LISTENER(obj); */ - + IndicateListener * listener = INDICATE_LISTENER(obj); + IndicateListenerPrivate * priv = INDICATE_LISTENER_GET_PRIVATE(listener); + + if (priv->todo_idle != 0) { + g_idle_remove_by_data(obj); + } + /* Hack: proxy_struct_destroy() lacks a user_data parameter, but since the + * caller is responsible for handling params on the stack, it works + */ + g_list_foreach(priv->proxies_possible, (GFunc)proxy_struct_destroy, NULL); + g_list_free(priv->proxies_possible); + g_list_foreach(priv->proxies_working, (GFunc)proxy_struct_destroy, NULL); + g_list_free(priv->proxies_working); G_OBJECT_CLASS (indicate_listener_parent_class)->finalize (obj); return; } @@ -281,8 +269,6 @@ indicate_listener_finalize (GObject * obj) IndicateListener * indicate_listener_new (void) { - g_warning("Creating a new listener is generally discouraged, please use indicate_listener_ref_default"); - IndicateListener * listener; listener = g_object_new(INDICATE_TYPE_LISTENER, NULL); return listener; @@ -499,13 +485,9 @@ todo_idle (gpointer data) priv->proxies_possible = g_list_prepend(priv->proxies_possible, proxyt); - /* I think that we need to have this as there is a race - * condition here. If someone comes on the bus and we get - * that message, but before we set up the handler for the ServerShow - * signal it gets sent, we wouldn't get it. So then we would - * miss an indicator server coming on the bus. I'd like to not - * generate a warning in every app with DBus though. */ - indicate_listener_server_get_type(listener, &proxyt->server, get_type_cb, proxyt); + /* Look through the introspection data to see if this + is already a server */ + introspect_this (NULL, NULL, NULL, proxyt); return TRUE; } @@ -708,8 +690,7 @@ proxy_indicators_free (gpointer data) typedef enum _get_property_type get_property_type; enum _get_property_type { PROPERTY_TYPE_STRING, - PROPERTY_TYPE_TIME, - PROPERTY_TYPE_ICON + PROPERTY_TYPE_TIME }; typedef struct _get_property_t get_property_t; @@ -740,44 +721,6 @@ get_property_cb (DBusGProxy *proxy, char * OUT_value, GError *error, gpointer us cb(get_property_data->listener, get_property_data->server, get_property_data->indicator, get_property_data->property, OUT_value, get_property_data->data); break; } - case PROPERTY_TYPE_ICON: { - indicate_listener_get_property_icon_cb cb = (indicate_listener_get_property_icon_cb)get_property_data->cb; - - /* There is no icon */ - if (OUT_value == NULL || OUT_value[0] == '\0') { - break; - } - - gsize length = 0; - guchar * icondata = g_base64_decode(OUT_value, &length); - - GInputStream * input = g_memory_input_stream_new_from_data(icondata, length, NULL); - if (input == NULL) { - g_warning("Cound not create input stream from icon property data"); - g_free(icondata); - break; - } - - GError * error = NULL; - GdkPixbuf * icon = gdk_pixbuf_new_from_stream(input, NULL, &error); - if (icon != NULL) { - cb(get_property_data->listener, get_property_data->server, get_property_data->indicator, get_property_data->property, icon, get_property_data->data); - } - - if (error != NULL) { - g_warning("Unable to build Pixbuf from icon data: %s", error->message); - g_error_free(error); - } - - error = NULL; - g_input_stream_close(input, NULL, &error); - if (error != NULL) { - g_warning("Unable to close input stream: %s", error->message); - g_error_free(error); - } - g_free(icondata); - break; - } case PROPERTY_TYPE_TIME: { indicate_listener_get_property_time_cb cb = (indicate_listener_get_property_time_cb)get_property_data->cb; GTimeVal time; @@ -824,12 +767,6 @@ indicate_listener_get_property_time (IndicateListener * listener, IndicateListen return get_property_helper(listener, server, indicator, property, G_CALLBACK(callback), data, PROPERTY_TYPE_TIME); } -void -indicate_listener_get_property_icon (IndicateListener * listener, IndicateListenerServer * server, IndicateListenerIndicator * indicator, gchar * property, indicate_listener_get_property_icon_cb callback, gpointer data) -{ - return get_property_helper(listener, server, indicator, property, G_CALLBACK(callback), data, PROPERTY_TYPE_ICON); -} - gboolean _indicate_listener_get_indicator_servers (IndicateListener * listener, GList * servers) { @@ -1002,6 +939,10 @@ interest_cb (DBusGProxy *proxy, GError *error, gpointer userdata) void indicate_listener_server_show_interest (IndicateListener * listener, IndicateListenerServer * server, IndicateInterests interest) { + if (!(interest > INDICATE_INTEREST_NONE && interest < INDICATE_INTEREST_LAST)) { + return; + } + if (!server->interests[interest]) { org_freedesktop_indicator_show_interest_async (server->proxy, interest_to_string(interest), interest_cb, server); server->interests[interest] = TRUE; @@ -1025,3 +966,119 @@ indicate_listener_server_check_interest (IndicateListener * listener, IndicateLi return server->interests[interest]; } +GType +indicate_listener_server_get_gtype (void) +{ + static GType our_type = 0; + + if (our_type == 0) + our_type = g_pointer_type_register_static ("IndicateListenerServer"); + + return our_type; +} + +GType +indicate_listener_indicator_get_gtype (void) +{ + static GType our_type = 0; + + if (our_type == 0) + our_type = g_pointer_type_register_static ("IndicateListenerIndicator"); + + return our_type; +} + +static const gchar * _introspector_path[] = {"", "org", "freedesktop", "indicate", NULL}; +static const gchar * _introspector_fullpath[] = {"/", "/org", "/org/freedesktop", "/org/freedesktop/indicate", NULL}; +static const gchar * _introspector_interface = "org.freedesktop.indicator"; + +static void +introspect_this (DBusGProxy * proxy, char * OUT_data, GError * error, gpointer data) +{ + /* g_debug("Introspect this:\n%s", OUT_data); */ + proxy_t * server = (proxy_t *)data; + if (proxy != NULL) { + g_object_unref(proxy); + } + if (error != NULL) { + /* We probably couldn't introspect that far up. That's + life, it happens. Or there's a timeout, that happens + too, I guess some apps are too busy for us. */ + /* g_debug("Introspection error on %s object %s: %s", server->name, _introspector_fullpath[server->introspect_level], error->message); */ + return; + } + + if (OUT_data != NULL) { + xmlDocPtr xmldoc; + /* Parse the XML */ + xmldoc = xmlReadMemory(OUT_data, g_utf8_strlen(OUT_data, 16*1024), "introspection.xml", NULL, 0); + + /* Check for root being "node" */ + xmlNodePtr root = xmlDocGetRootElement(xmldoc); + if (g_strcmp0(root->name, "node") != 0) { + xmlFreeDoc(xmldoc); + g_warning("Introspection data from %s is not valid: %s", server->name, OUT_data); + return; + } + + server->introspect_level += 1; + const gchar * nodename = NULL; + const gchar * nameval = NULL; + if (_introspector_path[server->introspect_level] == NULL) { + /* We're looking for our interface */ + nodename = "interface"; + nameval = _introspector_interface; + } else { + /* We're looking for our next node */ + nodename = "node"; + nameval = _introspector_path[server->introspect_level]; + } + + gboolean found = FALSE; + xmlNodePtr children; + for (children = root->children; children != NULL; children = children->next) { + gchar * xmlnameval = NULL; + if (g_strcmp0(children->name, nodename) == 0) { + xmlAttrPtr attrib; + for (attrib = children->properties; attrib != NULL; attrib = attrib->next) { + if (g_strcmp0(attrib->name, "name") == 0) { + if (attrib->children != NULL) { + xmlnameval = attrib->children->content; + } + break; + } + } + + if (!g_strcmp0(nameval, xmlnameval)) { + found = TRUE; + break; + } + } + } + + xmlFreeDoc(xmldoc); + + if (!found) { + /* Ah, nothing we're interested in */ + return; + } + + if (_introspector_path[server->introspect_level] == NULL) { + /* If we've found the interface at the end of the tree, whoo! hoo! */ + /* Now we know it's safe to get the type on it */ + indicate_listener_server_get_type(server->listener, &server->server, get_type_cb, server); + return; + } + } else { + server->introspect_level = 0; + } + + DBusGProxy * newproxy = dbus_g_proxy_new_for_name(server->connection, + server->name, + _introspector_fullpath[server->introspect_level], + DBUS_INTERFACE_INTROSPECTABLE); + + org_freedesktop_DBus_Introspectable_introspect_async(newproxy, introspect_this, server); + + return; +} diff --git a/libindicate/listener.h b/libindicate/listener.h index 0fdaa9b..37cda03 100644 --- a/libindicate/listener.h +++ b/libindicate/listener.h @@ -33,8 +33,6 @@ License version 3 and version 2.1 along with this program. If not, see #include <glib.h> #include <glib-object.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - #include "indicator.h" #include "server.h" #include "interests.h" @@ -59,7 +57,12 @@ G_BEGIN_DECLS #define INDICATE_LISTENER_INDICATOR_ID(indicator) (indicate_listener_indicator_get_id(indicator)) typedef struct _IndicateListenerServer IndicateListenerServer; +#define INDICATE_TYPE_LISTENER_SERVER (indicate_listener_server_get_gtype ()) +GType indicate_listener_server_get_gtype (void) G_GNUC_CONST; + typedef struct _IndicateListenerIndicator IndicateListenerIndicator; +#define INDICATE_TYPE_LISTENER_INDICATOR (indicate_listener_indicator_get_gtype ()) +GType indicate_listener_indicator_get_gtype (void) G_GNUC_CONST; typedef struct _IndicateListener IndicateListener; struct _IndicateListener { @@ -83,7 +86,6 @@ GType indicate_listener_get_type (void) G_GNUC_CONST; typedef void (*indicate_listener_get_property_cb) (IndicateListener * listener, IndicateListenerServer * server, IndicateListenerIndicator * indicator, gchar * property, gchar * propertydata, gpointer data); typedef void (*indicate_listener_get_property_time_cb) (IndicateListener * listener, IndicateListenerServer * server, IndicateListenerIndicator * indicator, gchar * property, GTimeVal * propertydata, gpointer data); -typedef void (*indicate_listener_get_property_icon_cb) (IndicateListener * listener, IndicateListenerServer * server, IndicateListenerIndicator * indicator, gchar * property, GdkPixbuf * propertydata, gpointer data); typedef void (*indicate_listener_get_server_property_cb) (IndicateListener * listener, IndicateListenerServer * server, gchar * value, gpointer data); /* Create a new listener */ @@ -101,12 +103,6 @@ void indicate_listener_get_property_time (IndicateListener * l gchar * property, indicate_listener_get_property_time_cb callback, gpointer data); -void indicate_listener_get_property_icon (IndicateListener * listener, - IndicateListenerServer * server, - IndicateListenerIndicator * indicator, - gchar * property, - indicate_listener_get_property_icon_cb callback, - gpointer data); void indicate_listener_display (IndicateListener * listener, IndicateListenerServer * server, IndicateListenerIndicator * indicator); diff --git a/libindicate/server-marshal.list b/libindicate/server-marshal.list new file mode 100644 index 0000000..540f0fe --- /dev/null +++ b/libindicate/server-marshal.list @@ -0,0 +1,29 @@ +# A library to allow applictions to provide simple indications of +# information to be displayed to users of the application through the +# interface shell. +# +# Copyright 2009 Canonical Ltd. +# +# Authors: +# Ted Gould <ted@canonical.com> +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of either or both of the following licenses: +# +# 1) the GNU Lesser General Public License version 3, as published by the +# Free Software Foundation; and/or +# 2) the GNU Lesser General Public License version 2.1, as published by +# the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranties of +# MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR +# PURPOSE. See the applicable version of the GNU Lesser General Public +# License for more details. +# +# You should have received a copy of both the GNU Lesser General Public +# License version 3 and version 2.1 along with this program. If not, see +# <http://www.gnu.org/licenses/> +# +# IndicatorAdded +VOID:UINT,STRING diff --git a/libindicate/server.c b/libindicate/server.c index e3d071c..a3d3be8 100644 --- a/libindicate/server.c +++ b/libindicate/server.c @@ -29,6 +29,7 @@ License version 3 and version 2.1 along with this program. If not, see #include "server.h" #include "interests-priv.h" +#include "server-marshal.h" #include <dbus/dbus-glib.h> #include <dbus/dbus-glib-lowlevel.h> @@ -163,41 +164,101 @@ indicate_server_class_init (IndicateServerClass * class) gobj->set_property = set_property; gobj->get_property = get_property; + /** + IndicateServer::indicator-added: + @arg0: The #IndicateServer object + @arg1: The #IndicateIndicator ID number + @arg2: The type of the indicator + + Emitted every time that a new indicator is made visible to + the world. This results in a signal on DBus. + + Can be emitted by subclasses using indicate_server_emit_indicator_added() + */ signals[INDICATOR_ADDED] = g_signal_new(INDICATE_SERVER_SIGNAL_INDICATOR_ADDED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateServerClass, indicator_added), NULL, NULL, - g_cclosure_marshal_VOID__UINT_POINTER, + _indicate_server_marshal_VOID__UINT_STRING, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING); + /** + IndicateServer::indicator-removed: + @arg0: The #IndicateServer object + @arg1: The #IndicateIndicator ID number + @arg2: The type of the indicator + + Emitted every time that a new indicator is made invisible to + the world. This results in a signal on DBus. + + Can be emitted by subclasses using indicate_server_emit_indicator_removed() + */ signals[INDICATOR_REMOVED] = g_signal_new(INDICATE_SERVER_SIGNAL_INDICATOR_REMOVED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateServerClass, indicator_removed), NULL, NULL, - g_cclosure_marshal_VOID__UINT_POINTER, + _indicate_server_marshal_VOID__UINT_STRING, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING); + /** + IndicateServer::indicator-modified: + @arg0: The #IndicateServer object + @arg1: The #IndicateIndicator ID number + @arg2: The name of the property modified + + Emitted every time that a property on an indicator changes + and it is visible to the world. This results in a signal on DBus. + + Can be emitted by subclasses using indicate_server_emit_indicator_modified() + */ signals[INDICATOR_MODIFIED] = g_signal_new(INDICATE_SERVER_SIGNAL_INDICATOR_MODIFIED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateServerClass, indicator_modified), NULL, NULL, - g_cclosure_marshal_VOID__UINT_POINTER, + _indicate_server_marshal_VOID__UINT_STRING, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING); + /** + IndicateServer::server-show: + @arg0: The #IndicateServer object + @arg1: The type of the server + + Emitted when a server comes onto DBus by being shown. This + is typically when listeners start reacting to the application's + indicators. This results in a signal on DBus. + */ signals[SERVER_SHOW] = g_signal_new(INDICATE_SERVER_SIGNAL_SERVER_SHOW, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateServerClass, server_show), NULL, NULL, - g_cclosure_marshal_VOID__POINTER, + g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); + /** + IndicateServer::server-hide: + @arg0: The #IndicateServer object + @arg1: The type of the server + + Emitted when a server removes itself from DBus. This results + in a signal on DBus. + */ signals[SERVER_HIDE] = g_signal_new(INDICATE_SERVER_SIGNAL_SERVER_HIDE, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (IndicateServerClass, server_hide), NULL, NULL, - g_cclosure_marshal_VOID__POINTER, + g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); + /** + IndicateServer::server-display: + @arg0: The #IndicateServer object + + Emitted when a listener signals that the server itself should be + displayed. This signal is caused by a user clicking on the application + item in the Messaging Menu. This signal is emitted by DBus. + + Can be emitted by subclasses using indicate_server_emit_server_display() + */ signals[SERVER_DISPLAY] = g_signal_new(INDICATE_SERVER_SIGNAL_SERVER_DISPLAY, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, @@ -205,6 +266,14 @@ indicate_server_class_init (IndicateServerClass * class) NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + /** + IndicateServer::interest-added: + @arg0: The #IndicateServer object + @arg1: The interest that was added from #IndicateInterests + + Emitted when a listener signals that they are interested in + this server for a particular reason. This signal is emitted by DBus. + */ signals[INTEREST_ADDED] = g_signal_new(INDICATE_SERVER_SIGNAL_INTEREST_ADDED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, @@ -212,6 +281,14 @@ indicate_server_class_init (IndicateServerClass * class) NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); + /** + IndicateServer::interest-removed: + @arg0: The #IndicateServer object + @arg1: The interest that was removed from #IndicateInterests + + Emitted when a listener signals that they are no longer interested in + this server for a particular reason. This signal is emitted by DBus. + */ signals[INTEREST_REMOVED] = g_signal_new(INDICATE_SERVER_SIGNAL_INTEREST_REMOVED, G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, @@ -366,7 +443,17 @@ indicate_server_error_quark (void) return quark; } +/** + indicate_server_show: + @server: The #IndicateServer to be shown + This function exports the object onto DBus and shows it + to the world. This will be the start of it receiving external + signals from DBus. It is likely that, if there are listeners + running, there will several #IndicateServer::interest-added + signals coming shortly after this function. This function + emits the #IndicateServer::server-added signal across the bus. +*/ void indicate_server_show (IndicateServer * server) { @@ -403,6 +490,16 @@ indicate_server_show (IndicateServer * server) return; } +/** + indicate_server_hide: + @server: The #IndicateServer to hide. + + This function hides the server from DBus so that it does + not get signals anymore. This causes the signal #IndicateServer::server-hide + to be sent across the bus for all listeners. Also internally + it will signal #IndicateServer::interest-removed for all the + interests that were currently set for this server. +*/ void indicate_server_hide (IndicateServer * server) { @@ -610,6 +707,16 @@ indicator_modified_cb (IndicateIndicator * indicator, gchar * property, Indicate g_signal_emit(server, signals[INDICATOR_MODIFIED], 0, indicate_indicator_get_id(indicator), property, TRUE); } +/** + indicate_server_add_indicator: + @server: The #IndicateServer to add the #IndicateIndictor to. + @indicator: The #IndicateIndicator to add. + + This function adds an indicator @indicator to the list that are + watched by the server @server. This means that signals that are + emitted by the indicator will be picked up and passed via DBus onto + listeners of the application. +*/ void indicate_server_add_indicator (IndicateServer * server, IndicateIndicator * indicator) { @@ -633,6 +740,14 @@ indicate_server_add_indicator (IndicateServer * server, IndicateIndicator * indi return; } +/** + indicate_server_remove_indicator: + @server: The #IndicateServer to remove the #IndicateIndictor from. + @indicator: The #IndicateIndicator to remove. + + Removes an indicator @indicator from being watched by the server @server + so it's signals are no longer watched and set over DBus. +*/ void indicate_server_remove_indicator (IndicateServer * server, IndicateIndicator * indicator) { @@ -663,6 +778,15 @@ indicate_server_set_dbus_object (const gchar * obj) return; } +/** + indicate_server_set_desktop_file: + @server: The #IndicateServer to set the type of + @path: The new desktop file representing the server + + This is a convience function to set the #IndicateServer:desktop + property of the @server object. The property can also be set + via traditional means, but this one is easier to read. +*/ void indicate_server_set_desktop_file (IndicateServer * server, const gchar * path) { @@ -673,6 +797,15 @@ indicate_server_set_desktop_file (IndicateServer * server, const gchar * path) return; } +/** + indicate_server_set_type: + @server: The #IndicateServer to set the type of + @type: The new type of the server + + This is a convience function to set the #IndicateServer:type + property of the @server object. The property can also be set + via traditional means, but this one is easier to read. +*/ void indicate_server_set_type (IndicateServer * server, const gchar * type) { @@ -685,6 +818,17 @@ indicate_server_set_type (IndicateServer * server, const gchar * type) static IndicateServer * default_indicate_server = NULL; +/** + indicate_server_ref_default: + + This function will return a reference to the default #IndicateServer + reference if there is one, or it will create one if one had not + previously been created. It is recommended that all applications + use this function to create a #IndicateServer as it ensure that there + is only one per application. + + Return value: A reference to the default #IndicateServer instance. +*/ IndicateServer * indicate_server_ref_default (void) { @@ -699,6 +843,16 @@ indicate_server_ref_default (void) return default_indicate_server; } +/** + indicate_server_set_default: + @server: The #IndicateServer that should be used + + This function is used to set the default #IndicateServer that will + be used when creating #IndicateIndicators or for anyone else that + calls indicate_server_ref_default(). Typically this is just an + instance of #IndicateServer but applications that create a subclass + of #IndicateServer should set this as well. +*/ void indicate_server_set_default (IndicateServer * server) { @@ -1103,6 +1257,15 @@ _indicate_server_show_indicator_to_user (IndicateServer * server, guint id, GErr return TRUE; } +/** + indicate_server_get_next_id: + @server: The #IndicateServer the ID will be on + + Returns the next available unused ID that an indicator + can have. + + Return value: A valid indicator ID. +*/ guint indicate_server_get_next_id (IndicateServer * server) { @@ -1207,7 +1370,41 @@ _indicate_server_remove_interest (IndicateServer * server, gchar * interest, DBu return FALSE; } +/** + indicate_server_check_interest: + @server: The #IndicateServer being checked + @interest: Which interest type we're checking for + + This function looks at all the interest that various listeners + have specified that they have for this server and returns whether + there is a listener that has the interest specified in @interest. + + Return value: %TRUE if a listener as the interest otherwise %FALSE +*/ +gboolean +indicate_server_check_interest (IndicateServer * server, IndicateInterests interest) +{ + IndicateServerClass * class = INDICATE_SERVER_GET_CLASS(server); + + if (class != NULL && class->check_interest != NULL) { + return class->check_interest (server, interest); + } + + g_warning("check_interest function not implemented in this server class: %s", G_OBJECT_TYPE_NAME(server)); + return FALSE; +} + /* Signal emission functions for sub-classes of the server */ + +/** + indicate_server_emit_indicator_added: + @server: The #IndicateServer being represented + @id: The ID of the indicator being added + @type: The type of the indicator + + This function emits the #IndicateServer::indicator-added signal and is + used by subclasses. +*/ void indicate_server_emit_indicator_added (IndicateServer *server, guint id, const gchar *type) { @@ -1217,6 +1414,15 @@ indicate_server_emit_indicator_added (IndicateServer *server, guint id, const gc g_signal_emit(server, signals[INDICATOR_ADDED], 0, id, type); } +/** + indicate_server_emit_indicator_removed: + @server: The #IndicateServer being represented + @id: The ID of the indicator being removed + @type: The type of the indicator + + This function emits the #IndicateServer::indicator-removed signal and is + used by subclasses. +*/ void indicate_server_emit_indicator_removed (IndicateServer *server, guint id, const gchar *type) { @@ -1226,6 +1432,15 @@ indicate_server_emit_indicator_removed (IndicateServer *server, guint id, const g_signal_emit(server, signals[INDICATOR_REMOVED], 0, id, type); } +/** + indicate_server_emit_indicator_modified: + @server: The #IndicateServer being represented + @id: The ID of the indicator with the modified property + @property: The name of the property being modified + + This function emits the #IndicateServer::indicator-modified signal and is + used by subclasses. +*/ void indicate_server_emit_indicator_modified (IndicateServer *server, guint id, const gchar *property) { @@ -1235,6 +1450,13 @@ indicate_server_emit_indicator_modified (IndicateServer *server, guint id, const g_signal_emit(server, signals[INDICATOR_MODIFIED], 0, id, property); } +/** + indicate_server_emit_server_display: + @server: The #IndicateServer being displayed + + This function emits the #IndicateServer::server-display signal and is + used by subclasses. +*/ void indicate_server_emit_server_display (IndicateServer *server) { diff --git a/libindicate/server.h b/libindicate/server.h index cfb4334..cff76c4 100644 --- a/libindicate/server.h +++ b/libindicate/server.h @@ -33,7 +33,6 @@ License version 3 and version 2.1 along with this program. If not, see #include <glib.h> #include <glib-object.h> -#include "indicator.h" #include "interests.h" G_BEGIN_DECLS @@ -57,11 +56,65 @@ G_BEGIN_DECLS #define INDICATE_SERVER_SIGNAL_INTEREST_ADDED "interest-added" #define INDICATE_SERVER_SIGNAL_INTEREST_REMOVED "interest-removed" +/** + IndicateServer: + + This is the object that represents the overall connection + between this application and DBus. It acts as the proxy for + incomming DBus calls and also sends the appropriate signals + on DBus for events happening on other objects locally. It + provides some settings that effection how the application as + a whole is perceived by listeners of the indicator protocol. +*/ typedef struct _IndicateServer IndicateServer; struct _IndicateServer { GObject parent; }; +#include "indicator.h" + +/** + IndicateServerClass: + @parent: Parent Class + @indicator_added: Slot for #IndicateServer::indicator-added. + @indicator_removed: Slot for #IndicateServer::indicator-removed. + @indicator_modified: Slot for #IndicateServer::indicator-modified. + @server_show: Slot for #IndicateServer::server-show. + @server_hide: Slot for #IndicateServer::server-hide. + @server_display: Slot for #IndicateServer::server-display. + @interest_added: Slot for #IndicateServer::interest-added. + @interest_removed: Slot for #IndicateServer::interest-removed. + @get_indicator_count: Returns the number of indicators that are visible + on the bus. Hidden indicators should not be counted. + @get_indicator_count_by_type: Returns the number of indicators that are + of a given type and visible on the bus. + @get_indicator_list: List all of the indicators that are visible. + @get_indicator_list_by_type: List all of the indicators of a given + type that are visible. + @get_indicator_property: Get a property from a particular indicator. + @get_indicator_property_group: Get the values for a set of properties + as an array of entries, returning an array as well. + @get_indicator_properties: Get a list of all the properties that are + on a particular indicator. + @show_indicator_to_user: Respond to someone on the bus asking to show + a particular indicator to the user. + @get_next_id: Get the next unused indicator ID. + @show_interest: React to someone signifying that they are interested + in this server. + @remove_interest: Someone on the bus is no longer interest in this + server, remove it's interest. + @check_interest: Check to see if anyone on the bus is interested in this + server for a particular feature. + @indicate_server_reserved1: Reserved for future use + @indicate_server_reserved2: Reserved for future use + @indicate_server_reserved3: Reserved for future use + @indicate_server_reserved4: Reserved for future use + + All of the functions and signals that make up the server class + including those that are public API to the application and those + that are public API to all of DBus. Subclasses may need to + implement a large portion of these. +*/ typedef struct _IndicateServerClass IndicateServerClass; struct _IndicateServerClass { GObjectClass parent; @@ -99,9 +152,6 @@ struct _IndicateServerClass { GType indicate_server_get_type (void) G_GNUC_CONST; -/* Create a new server */ -IndicateServer * indicate_server_new (void); - /* Sets the object. By default this is /org/freedesktop/indicators */ void indicate_server_set_dbus_object (const gchar * obj); @@ -134,6 +184,35 @@ void indicate_server_emit_indicator_removed (IndicateServer *server, guint id, c void indicate_server_emit_indicator_modified (IndicateServer *server, guint id, const gchar *property); void indicate_server_emit_server_display (IndicateServer *server); +/** + SECTION:server + @short_description: The representation of the application on DBus. + @stability: Unstable + @include: libindicate/server.h + + The server object is the object that provides the functions on + to DBus for other applications to call. It does this by implementing + the DBus indicator spec, but it also allows for subclassing so that + subclasses don't have to worry about the DBus-isms as much as + the functionality that they're trying to express. + + For simple applications there is limited need to set anything + more than the desktop file and the type of the server using + indicate_server_set_desktop_file() and indicate_server_set_type(). + Each of these function sets the respective value and expresses + it in a way that other applications on the bus can read it. + + More advanced applications might find the need to subclass the + #IndicateServer object and make their own. This is likely the + case where applications have complex data stores that they don't + want to turn into a large set of #GObjects that can take up a + significant amount of memory in the program. + + In general, it is recommended that application authors go with + the high memory path first, and then optimize by implementing + their server on a second pass. +*/ + G_END_DECLS #endif /* INDICATE_SERVER_H_INCLUDED__ */ |