[PATCH weston v4 3/4] shell: Implement notification_daemon
Quentin Glidic
sardemff7+wayland at sardemff7.net
Sun May 12 02:09:34 PDT 2013
From: Quentin Glidic <sardemff7+git at sardemff7.net>
Implement the "bubbles list" style notifications.
Corner anchor, margin and order can be changed in the configuration.
Signed-off-by: Quentin Glidic <sardemff7+git at sardemff7.net>
---
src/.gitignore | 2 +
src/Makefile.am | 17 +++
src/notification-daemon.c | 266 ++++++++++++++++++++++++++++++++++++++++++++++
weston.ini | 5 +
4 files changed, 290 insertions(+)
create mode 100644 src/notification-daemon.c
diff --git a/src/.gitignore b/src/.gitignore
index ee62b84..ce7f5ab 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -14,6 +14,8 @@ desktop-shell-protocol.c
desktop-shell-server-protocol.h
text-protocol.c
text-server-protocol.h
+notification-daemon-protocol.c
+notification-daemon-server-protocol.h
workspaces-protocol.c
workspaces-server-protocol.h
input-method-protocol.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 73c2d0d..e342a1c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -99,6 +99,7 @@ module_LTLIBRARIES = \
$(desktop_shell) \
$(tablet_shell) \
$(cms_static) \
+ $(notification_daemon) \
$(x11_backend) \
$(drm_backend) \
$(wayland_backend) \
@@ -267,6 +268,20 @@ cms_static_la_SOURCES = \
cms-helper.h
endif
+notification_daemon = notification-daemon.la
+notification_daemon_la_SOURCES = \
+ notification-daemon.c \
+ notification-daemon-protocol.c \
+ notification-daemon-server-protocol.h
+notification_daemon_la_CFLAGS = \
+ $(GCC_CFLAGS) \
+ $(COMPOSITOR_CFLAGS)
+notification_daemon_la_LDFLAGS = \
+ -module -avoid-version
+notification_daemon_la_LIBADD = \
+ $(COMPOSITOR_LIBS) \
+ ../shared/libshared.la
+
BUILT_SOURCES = \
screenshooter-server-protocol.h \
screenshooter-protocol.c \
@@ -280,6 +295,8 @@ BUILT_SOURCES = \
text-server-protocol.h \
input-method-protocol.c \
input-method-server-protocol.h \
+ notification-daemon-protocol.c \
+ notification-daemon-server-protocol.h \
workspaces-server-protocol.h \
workspaces-protocol.c \
subsurface-server-protocol.h \
diff --git a/src/notification-daemon.c b/src/notification-daemon.c
new file mode 100644
index 0000000..ce77077
--- /dev/null
+++ b/src/notification-daemon.c
@@ -0,0 +1,266 @@
+/*
+ * Copyright © 2013 Quentin “Sardem FF7” Glidic
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/input.h>
+#include <assert.h>
+#include <signal.h>
+#include <math.h>
+#include <sys/types.h>
+
+#include <wayland-server.h>
+#include "compositor.h"
+#include "notification-daemon-server-protocol.h"
+#include "../shared/config-parser.h"
+
+#define DEFAULT_NOTIFICATIONS_MARGIN 20
+
+
+enum edge_anchor {
+ EDGE_TOP = 1<<0,
+ EDGE_BOTTOM = 1<<1,
+ EDGE_LEFT = 1<<2,
+ EDGE_RIGHT = 1<<3
+};
+
+enum corner_anchor {
+ CORNER_TOP_RIGHT = EDGE_TOP | EDGE_RIGHT,
+ CORNER_TOP_LEFT = EDGE_TOP | EDGE_LEFT,
+ CORNER_BOTTOM_RIGHT = EDGE_BOTTOM | EDGE_RIGHT,
+ CORNER_BOTTOM_LEFT = EDGE_BOTTOM | EDGE_LEFT,
+};
+
+enum notifications_order {
+ ORDER_NEWEST_FIRST,
+ ORDER_OLDEST_FIRST
+};
+
+struct notification_daemon {
+ struct weston_compositor *compositor;
+
+ struct weston_layer layer;
+
+ enum corner_anchor corner;
+ enum notifications_order order;
+ int32_t margin;
+ struct weston_output *output;
+ struct wl_resource *binding;
+};
+
+static enum corner_anchor
+get_corner_anchor(char *placement, enum corner_anchor default_anchor)
+{
+ if (placement == NULL)
+ return default_anchor;
+
+ if (strcmp("top-left", placement) == 0)
+ return CORNER_TOP_LEFT;
+ if (strcmp("top-right", placement) == 0)
+ return CORNER_TOP_RIGHT;
+ if (strcmp("bottom-right", placement) == 0)
+ return CORNER_BOTTOM_RIGHT;
+ if (strcmp("bottom-left", placement) == 0)
+ return CORNER_BOTTOM_LEFT;
+
+ return default_anchor;
+}
+
+static enum notifications_order
+get_notification_order(char *order)
+{
+ if (order == NULL)
+ return ORDER_NEWEST_FIRST;
+
+ if (strcmp("oldest-first", order) == 0)
+ return ORDER_OLDEST_FIRST;
+
+ return ORDER_NEWEST_FIRST;
+}
+
+static struct weston_output *
+get_default_output(struct weston_compositor *compositor)
+{
+ return container_of(compositor->output_list.next,
+ struct weston_output, link);
+}
+
+static void
+notification_daemon_configuration(struct notification_daemon *nd, const char *config_file)
+{
+ char *notifications_corner = NULL;
+ char *notifications_order = NULL;
+ int notifications_margin = DEFAULT_NOTIFICATIONS_MARGIN;
+
+ struct config_key notifications_keys[] = {
+ { "corner", CONFIG_KEY_STRING, ¬ifications_corner },
+ { "order", CONFIG_KEY_STRING, ¬ifications_order },
+ { "margin", CONFIG_KEY_INTEGER, ¬ifications_margin },
+ };
+
+ struct config_section cs[] = {
+ { "notifications", notifications_keys, ARRAY_LENGTH(notifications_keys), NULL },
+ };
+
+ parse_config_file(config_file, cs, ARRAY_LENGTH(cs), nd);
+
+ nd->corner = get_corner_anchor(notifications_corner, CORNER_TOP_RIGHT);
+ nd->order = get_notification_order(notifications_order);
+ nd->margin = notifications_margin;
+ nd->output = get_default_output(nd->compositor);
+
+ free(notifications_order);
+ free(notifications_corner);
+}
+
+static void
+notification_daemon_map_surfaces(struct notification_daemon *nd)
+{
+ bool right;
+ bool bottom;
+ int32_t x, y;
+ struct weston_surface *ws;
+
+ right = nd->corner & EDGE_RIGHT;
+ bottom = nd->corner & EDGE_BOTTOM;
+
+ if (right)
+ x = nd->output->width - nd->margin;
+ else
+ x = nd->margin;
+ if (bottom)
+ y = nd->output->height - nd->margin;
+ else
+ y = nd->margin;
+
+ wl_list_for_each(ws, &nd->layer.surface_list, layer_link) {
+ ws->output = nd->output;
+
+ if (bottom)
+ y -= ws->geometry.height;
+ if (right)
+ x -= ws->geometry.width;
+ weston_surface_set_position(ws, x, y);
+ if (right)
+ x += ws->geometry.width;
+ if (bottom)
+ y -= nd->margin;
+ else
+ y += ws->geometry.height + nd->margin;
+ }
+}
+
+static void
+notification_configure(struct weston_surface *surface, int32_t sx, int32_t sy, int32_t width, int32_t height)
+{
+ struct notification_daemon *nd = surface->configure_private;
+
+ surface->geometry.width = width;
+ surface->geometry.height = height;
+ notification_daemon_map_surfaces(nd);
+
+}
+
+static void
+notification_daemon_add_surface(struct wl_client *client, struct wl_resource *resource,
+ struct wl_resource *surface_resource)
+{
+ struct notification_daemon *nd = resource->data;
+ struct weston_surface *surface = surface_resource->data;
+
+ if (surface->configure != NULL) {
+ wl_resource_post_error(surface_resource,
+ WL_DISPLAY_ERROR_INVALID_OBJECT,
+ "surface role already assigned");
+ return;
+ }
+
+ if (nd->order == ORDER_NEWEST_FIRST)
+ wl_list_insert(&nd->layer.surface_list, &surface->layer_link);
+ else
+ wl_list_insert(nd->layer.surface_list.prev, &surface->layer_link);
+
+ surface->configure = notification_configure;
+ surface->configure_private = nd;
+}
+
+static const struct notification_daemon_interface notification_daemon_implementation = {
+ notification_daemon_add_surface
+};
+
+static void
+unbind_notification_daemon(struct wl_resource *resource)
+{
+ struct notification_daemon *nd = resource->data;
+
+ nd->binding = NULL;
+ free(resource);
+}
+
+static void
+bind_notification_daemon(struct wl_client *client,
+ void *data, uint32_t version, uint32_t id)
+{
+ struct notification_daemon *nd = data;
+ struct wl_resource *resource;
+
+ resource = wl_client_add_object(client, ¬ification_daemon_interface,
+ ¬ification_daemon_implementation,
+ id, nd);
+
+ if (nd->binding == NULL) {
+ resource->destroy = unbind_notification_daemon;
+ nd->binding = resource;
+ return;
+ }
+
+ wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
+ "interface object already bound");
+ wl_resource_destroy(resource);
+}
+
+WL_EXPORT int
+module_init(struct weston_compositor *ec,
+ int *argc, char *argv[], const char *config_file)
+{
+ struct notification_daemon *nd;
+
+ nd = malloc(sizeof *nd);
+ if (nd == NULL)
+ return -1;
+
+ memset(nd, 0, sizeof *nd);
+ nd->compositor = ec;
+
+ weston_layer_init(&nd->layer, &ec->cursor_layer.link);
+
+ notification_daemon_configuration(nd, config_file);
+
+ if (wl_display_add_global(ec->wl_display, ¬ification_daemon_interface,
+ nd, bind_notification_daemon) == NULL)
+ return -1;
+
+ return 0;
+}
diff --git a/weston.ini b/weston.ini
index 49ba526..02e38b6 100644
--- a/weston.ini
+++ b/weston.ini
@@ -39,6 +39,11 @@ path=./clients/flower
path=/usr/libexec/weston-screensaver
duration=600
+[notifications]
+#corner=top-right
+#order=newest-first
+#margin=20
+
[input-method]
path=/usr/libexec/weston-keyboard
--
1.8.2.1
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