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Diffstat (limited to 'libgd/gd-notification.c')
| -rw-r--r-- | libgd/gd-notification.c | 928 |
1 files changed, 928 insertions, 0 deletions
diff --git a/libgd/gd-notification.c b/libgd/gd-notification.c new file mode 100644 index 0000000..31d96d5 --- /dev/null +++ b/libgd/gd-notification.c @@ -0,0 +1,928 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * gd-notification + * Based on gtk-notification from gnome-contacts: + * http://git.gnome.org/browse/gnome-contacts/tree/src/gtk-notification.c?id=3.3.91 + * + * Copyright (C) Erick Pérez Castellanos 2011 <erick.red@gmail.com> + * Copyright (C) 2012 Red Hat, Inc. + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>."; + */ + +#include "gd-notification.h" + +/** + * SECTION:gdnotification + * @short_description: Report notification messages to the user + * @include: gtk/gtk.h + * @see_also: #GtkStatusbar, #GtkMessageDialog, #GtkInfoBar + * + * #GdNotification is a widget made for showing notifications to + * the user, allowing them to close the notification or wait for it + * to time out. + * + * #GdNotification provides one signal (#GdNotification::dismissed), for when the notification + * times out or is closed. + * + */ + +#define GTK_PARAM_READWRITE G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB +#define SHADOW_OFFSET_X 2 +#define SHADOW_OFFSET_Y 3 +#define ANIMATION_TIME 200 /* msec */ +#define ANIMATION_STEP 40 /* msec */ + +enum { + PROP_0, + PROP_TIMEOUT, + PROP_SHOW_CLOSE_BUTTON +}; + +struct _GdNotificationPrivate { + GtkWidget *close_button; + gboolean show_close_button; + + GdkWindow *bin_window; + + int animate_y; /* from 0 to allocation.height */ + gboolean waiting_for_viewable; + gboolean revealed; + gboolean dismissed; + gboolean sent_dismissed; + guint animate_timeout; + + gint timeout; + guint timeout_source_id; +}; + +enum { + DISMISSED, + LAST_SIGNAL +}; + +static guint notification_signals[LAST_SIGNAL] = { 0 }; + +static gboolean gd_notification_draw (GtkWidget *widget, + cairo_t *cr); +static void gd_notification_get_preferred_width (GtkWidget *widget, + gint *minimum_size, + gint *natural_size); +static void gd_notification_get_preferred_height_for_width (GtkWidget *widget, + gint width, + gint *minimum_height, + gint *natural_height); +static void gd_notification_get_preferred_height (GtkWidget *widget, + gint *minimum_size, + gint *natural_size); +static void gd_notification_get_preferred_width_for_height (GtkWidget *widget, + gint height, + gint *minimum_width, + gint *natural_width); +static void gd_notification_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static gboolean gd_notification_timeout_cb (gpointer user_data); +static void gd_notification_show (GtkWidget *widget); +static void gd_notification_add (GtkContainer *container, + GtkWidget *child); + +/* signals handlers */ +static void gd_notification_close_button_clicked_cb (GtkWidget *widget, + gpointer user_data); + +G_DEFINE_TYPE(GdNotification, gd_notification, GTK_TYPE_BIN); + +static void +gd_notification_init (GdNotification *notification) +{ + GtkWidget *close_button_image; + GtkStyleContext *context; + GdNotificationPrivate *priv; + + context = gtk_widget_get_style_context (GTK_WIDGET (notification)); + gtk_style_context_add_class (context, "app-notification"); + + gtk_widget_set_halign (GTK_WIDGET (notification), GTK_ALIGN_CENTER); + gtk_widget_set_valign (GTK_WIDGET (notification), GTK_ALIGN_START); + + gtk_widget_set_has_window (GTK_WIDGET (notification), TRUE); + + gtk_widget_push_composite_child (); + + priv = notification->priv = + G_TYPE_INSTANCE_GET_PRIVATE (notification, + GD_TYPE_NOTIFICATION, + GdNotificationPrivate); + + priv->animate_y = 0; + priv->close_button = gtk_button_new (); + gtk_widget_set_parent (priv->close_button, GTK_WIDGET (notification)); + gtk_widget_show (priv->close_button); + g_object_set (priv->close_button, + "relief", GTK_RELIEF_NONE, + "focus-on-click", FALSE, + NULL); + g_signal_connect (priv->close_button, + "clicked", + G_CALLBACK (gd_notification_close_button_clicked_cb), + notification); + close_button_image = gtk_image_new_from_icon_name ("window-close-symbolic", GTK_ICON_SIZE_BUTTON); + gtk_button_set_image (GTK_BUTTON (notification->priv->close_button), close_button_image); + + gtk_widget_pop_composite_child (); + + priv->timeout_source_id = 0; +} + +static void +gd_notification_finalize (GObject *object) +{ + GdNotification *notification; + GdNotificationPrivate *priv; + + g_return_if_fail (GTK_IS_NOTIFICATION (object)); + + notification = GD_NOTIFICATION (object); + priv = notification->priv; + + if (priv->animate_timeout != 0) + g_source_remove (priv->animate_timeout); + + if (priv->timeout_source_id != 0) + g_source_remove (priv->timeout_source_id); + + G_OBJECT_CLASS (gd_notification_parent_class)->finalize (object); +} + +static void +gd_notification_destroy (GtkWidget *widget) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + + if (!priv->sent_dismissed) + { + g_signal_emit (notification, notification_signals[DISMISSED], 0); + priv->sent_dismissed = TRUE; + } + + if (priv->close_button) + { + gtk_widget_unparent (priv->close_button); + priv->close_button = NULL; + } + + GTK_WIDGET_CLASS (gd_notification_parent_class)->destroy (widget); +} + +static void +gd_notification_realize (GtkWidget *widget) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkBin *bin = GTK_BIN (widget); + GtkAllocation allocation; + GtkWidget *child; + GdkWindow *window; + GdkWindowAttr attributes; + gint attributes_mask; + + gtk_widget_set_realized (widget, TRUE); + + gtk_widget_get_allocation (widget, &allocation); + + attributes.x = allocation.x; + attributes.y = allocation.y; + attributes.width = allocation.width; + attributes.height = allocation.height; + attributes.window_type = GDK_WINDOW_CHILD; + attributes.wclass = GDK_INPUT_OUTPUT; + attributes.visual = gtk_widget_get_visual (widget); + + attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK; + + attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL; + + window = gdk_window_new (gtk_widget_get_parent_window (widget), + &attributes, attributes_mask); + gtk_widget_set_window (widget, window); + gdk_window_set_user_data (window, notification); + + attributes.x = 0; + attributes.y = attributes.height + priv->animate_y; + attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK | GDK_VISIBILITY_NOTIFY_MASK; + + priv->bin_window = gdk_window_new (window, &attributes, attributes_mask); + gdk_window_set_user_data (priv->bin_window, notification); + + child = gtk_bin_get_child (bin); + if (child) + gtk_widget_set_parent_window (child, priv->bin_window); + gtk_widget_set_parent_window (priv->close_button, priv->bin_window); + + gdk_window_show (priv->bin_window); +} + +static void +gd_notification_unrealize (GtkWidget *widget) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + + gdk_window_set_user_data (priv->bin_window, NULL); + gdk_window_destroy (priv->bin_window); + priv->bin_window = NULL; + + GTK_WIDGET_CLASS (gd_notification_parent_class)->unrealize (widget); +} + +static int +animation_target (GdNotification *notification) +{ + GdNotificationPrivate *priv = notification->priv; + GtkAllocation allocation; + + if (priv->revealed) { + gtk_widget_get_allocation (GTK_WIDGET (notification), &allocation); + return allocation.height; + } else { + return 0; + } +} + +static gboolean +animation_timeout_cb (gpointer user_data) +{ + GdNotification *notification = GD_NOTIFICATION (user_data); + GdNotificationPrivate *priv = notification->priv; + GtkAllocation allocation; + int target, delta; + + target = animation_target (notification); + + if (priv->animate_y != target) { + gtk_widget_get_allocation (GTK_WIDGET (notification), &allocation); + + delta = allocation.height * ANIMATION_STEP / ANIMATION_TIME; + + if (priv->revealed) + priv->animate_y += delta; + else + priv->animate_y -= delta; + + priv->animate_y = CLAMP (priv->animate_y, 0, allocation.height); + + if (priv->bin_window != NULL) + gdk_window_move (priv->bin_window, + 0, + -allocation.height + priv->animate_y); + return TRUE; + } + + if (priv->dismissed && priv->animate_y == 0) + gtk_widget_destroy (GTK_WIDGET (notification)); + + priv->animate_timeout = 0; + return FALSE; +} + +static void +start_animation (GdNotification *notification) +{ + GdNotificationPrivate *priv = notification->priv; + int target; + + if (priv->animate_timeout != 0) + return; /* Already running */ + + target = animation_target (notification); + if (priv->animate_y != target) + notification->priv->animate_timeout = + gdk_threads_add_timeout (ANIMATION_STEP, + animation_timeout_cb, + notification); +} + +static void +gd_notification_show (GtkWidget *widget) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + + GTK_WIDGET_CLASS (gd_notification_parent_class)->show (widget); + priv->revealed = TRUE; + priv->waiting_for_viewable = TRUE; +} + +static void +gd_notification_hide (GtkWidget *widget) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + + GTK_WIDGET_CLASS (gd_notification_parent_class)->hide (widget); + priv->revealed = FALSE; + priv->waiting_for_viewable = FALSE; +} + +static void +gd_notification_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +{ + GdNotification *notification = GD_NOTIFICATION (object); + + g_return_if_fail (GTK_IS_NOTIFICATION (object)); + + switch (prop_id) { + case PROP_TIMEOUT: + gd_notification_set_timeout (notification, + g_value_get_int (value)); + break; + case PROP_SHOW_CLOSE_BUTTON: + gd_notification_set_show_close_button (notification, + g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gd_notification_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + g_return_if_fail (GTK_IS_NOTIFICATION (object)); + GdNotification *notification = GD_NOTIFICATION (object); + + switch (prop_id) { + case PROP_TIMEOUT: + g_value_set_int (value, notification->priv->timeout); + break; + case PROP_SHOW_CLOSE_BUTTON: + g_value_set_boolean (value, + notification->priv->show_close_button); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gd_notification_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) +{ + GtkBin *bin = GTK_BIN (container); + GdNotification *notification = GD_NOTIFICATION (container); + GdNotificationPrivate *priv = notification->priv; + GtkWidget *child; + + child = gtk_bin_get_child (bin); + if (child) + (* callback) (child, callback_data); + + if (include_internals) + (* callback) (priv->close_button, callback_data); +} + +static gboolean +gd_notification_visibility_notify_event (GtkWidget *widget, + GdkEventVisibility *event) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + + if (!gtk_widget_get_visible (widget)) + return FALSE; + + if (priv->waiting_for_viewable) + { + start_animation (notification); + priv->waiting_for_viewable = FALSE; + } + + if (notification->priv->timeout_source_id == 0 && + notification->priv->timeout != -1) + notification->priv->timeout_source_id = + gdk_threads_add_timeout (notification->priv->timeout * 1000, + gd_notification_timeout_cb, + widget); + + return FALSE; +} + +static void +gd_notification_class_init (GdNotificationClass *klass) +{ + GObjectClass* object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(klass); + GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass); + + object_class->finalize = gd_notification_finalize; + object_class->set_property = gd_notification_set_property; + object_class->get_property = gd_notification_get_property; + + widget_class->show = gd_notification_show; + widget_class->hide = gd_notification_hide; + widget_class->destroy = gd_notification_destroy; + widget_class->get_preferred_width = gd_notification_get_preferred_width; + widget_class->get_preferred_height_for_width = gd_notification_get_preferred_height_for_width; + widget_class->get_preferred_height = gd_notification_get_preferred_height; + widget_class->get_preferred_width_for_height = gd_notification_get_preferred_width_for_height; + widget_class->size_allocate = gd_notification_size_allocate; + widget_class->draw = gd_notification_draw; + widget_class->realize = gd_notification_realize; + widget_class->unrealize = gd_notification_unrealize; + widget_class->visibility_notify_event = gd_notification_visibility_notify_event; + + container_class->add = gd_notification_add; + container_class->forall = gd_notification_forall; + gtk_container_class_handle_border_width (container_class); + + + /** + * GdNotification:timeout: + * + * The time it takes to hide the widget, in seconds. + * + * Since: 0.1 + */ + g_object_class_install_property (object_class, + PROP_TIMEOUT, + g_param_spec_int("timeout", "timeout", + "The time it takes to hide the widget, in seconds", + -1, G_MAXINT, -1, + GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_SHOW_CLOSE_BUTTON, + g_param_spec_boolean("show-close-button", "show-close-button", + "Whether to show a stock close button that dismisses the notification", + TRUE, + GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + + notification_signals[DISMISSED] = g_signal_new ("dismissed", + G_OBJECT_CLASS_TYPE (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GdNotificationClass, dismissed), + NULL, + NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + + g_type_class_add_private (object_class, sizeof (GdNotificationPrivate)); +} + +static void +draw_shadow_box (cairo_t *cr, GdkRectangle rect, int left_border, int right_border, + int bottom_border, double inner_alpha) +{ + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + double x0, x1, x2, x3; + double y0, y2, y3; + + cairo_save (cr); + + x0 = rect.x; + x1 = rect.x + left_border; + x2 = rect.x + rect.width - right_border; + x3 = rect.x + rect.width; + + y0 = rect.y; + y2 = rect.y + rect.height - bottom_border; + y3 = rect.y + rect.height; + + /* Bottom border */ + + pattern = cairo_pattern_create_linear(0, y2, 0, y3); + + cairo_pattern_add_color_stop_rgba(pattern, 0.0, 0, 0, 0, inner_alpha); + cairo_pattern_add_color_stop_rgba(pattern, 1.0, 0, 0, 0, 0.0); + + cairo_set_source(cr, pattern); + cairo_pattern_destroy(pattern); + + cairo_rectangle(cr, x1, y2, x2 - x1, y3 - y2); + cairo_fill(cr); + + /* Left border */ + + pattern = cairo_pattern_create_linear(x0, 0, x1, 0); + + cairo_pattern_add_color_stop_rgba(pattern, 0.0, 0, 0, 0, 0.0); + cairo_pattern_add_color_stop_rgba(pattern, 1.0, 0, 0, 0, inner_alpha); + + cairo_set_source(cr, pattern); + cairo_pattern_destroy(pattern); + + cairo_rectangle(cr, x0, y0, x1 - x0, y2 - y0); + cairo_fill(cr); + + /* Right border */ + + pattern = cairo_pattern_create_linear(x2, 0, x3, 0); + + cairo_pattern_add_color_stop_rgba(pattern, 0.0, 0, 0, 0, inner_alpha); + cairo_pattern_add_color_stop_rgba(pattern, 1.0, 0, 0, 0, 0.0); + + cairo_set_source(cr, pattern); + cairo_pattern_destroy(pattern); + + cairo_rectangle(cr, x2, y0, x3 - x2, y2 - y0); + cairo_fill(cr); + + /* SW corner */ + + pattern = cairo_pattern_create_radial(0, 0, 0, 0.0, 0, 1.0); + cairo_pattern_add_color_stop_rgba(pattern, 0.0, 0, 0, 0, inner_alpha); + cairo_pattern_add_color_stop_rgba(pattern, 1.0, 0, 0, 0, 0.0); + + cairo_matrix_init_scale (&matrix, 1.0 / left_border, 1.0 / bottom_border); + cairo_matrix_translate (&matrix, - x1, -y2); + cairo_pattern_set_matrix (pattern, &matrix); + + cairo_set_source(cr, pattern); + cairo_pattern_destroy(pattern); + + cairo_rectangle(cr, x0, y2, x1 - x0, y3 - y2); + cairo_fill(cr); + + /* SE corner */ + + pattern = cairo_pattern_create_radial(0, 0, 0, 0, 0, 1.0); + cairo_pattern_add_color_stop_rgba(pattern, 0.0, 0.0, 0, 0, inner_alpha); + cairo_pattern_add_color_stop_rgba(pattern, 1.0, 0.0, 0, 0, 0.0); + + cairo_matrix_init_scale (&matrix, 1.0 / left_border, 1.0 / bottom_border); + cairo_matrix_translate (&matrix, - x2, -y2); + cairo_pattern_set_matrix (pattern, &matrix); + + cairo_set_source(cr, pattern); + cairo_pattern_destroy(pattern); + + cairo_rectangle(cr, x2, y2, x3 - x2, y3 - y2); + cairo_fill(cr); + + cairo_restore (cr); +} + +static void +get_padding_and_border (GdNotification *notification, + GtkBorder *border) +{ + GtkStyleContext *context; + GtkStateFlags state; + GtkBorder tmp; + + context = gtk_widget_get_style_context (GTK_WIDGET (notification)); + state = gtk_widget_get_state_flags (GTK_WIDGET (notification)); + + gtk_style_context_get_padding (context, state, border); + + gtk_style_context_get_border (context, state, &tmp); + border->top += tmp.top; + border->right += tmp.right; + border->bottom += tmp.bottom; + border->left += tmp.left; +} + +static gboolean +gd_notification_draw (GtkWidget *widget, cairo_t *cr) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkStyleContext *context; + GdkRectangle rect; + int inner_radius; + + if (gtk_cairo_should_draw_window (cr, priv->bin_window)) + { + gtk_widget_get_allocation (widget, &rect); + + context = gtk_widget_get_style_context(widget); + + inner_radius = 5; + draw_shadow_box (cr, rect, SHADOW_OFFSET_X + inner_radius, SHADOW_OFFSET_X + inner_radius, + SHADOW_OFFSET_Y + inner_radius, 0.8); + + gtk_style_context_save (context); + gtk_render_background (context, cr, + SHADOW_OFFSET_X, 0, + gtk_widget_get_allocated_width (widget) - 2 *SHADOW_OFFSET_X, + gtk_widget_get_allocated_height (widget) - SHADOW_OFFSET_Y); + gtk_render_frame (context,cr, + SHADOW_OFFSET_X, 0, + gtk_widget_get_allocated_width (widget) - 2 *SHADOW_OFFSET_X, + gtk_widget_get_allocated_height (widget) - SHADOW_OFFSET_Y); + + gtk_style_context_restore (context); + + if (GTK_WIDGET_CLASS (gd_notification_parent_class)->draw) + GTK_WIDGET_CLASS (gd_notification_parent_class)->draw(widget, cr); + } + + return FALSE; +} + +static void +gd_notification_add (GtkContainer *container, + GtkWidget *child) +{ + GtkBin *bin = GTK_BIN (container); + GdNotification *notification = GD_NOTIFICATION (bin); + GdNotificationPrivate *priv = notification->priv; + + g_return_if_fail (gtk_bin_get_child (bin) == NULL); + + gtk_widget_set_parent_window (child, priv->bin_window); + + GTK_CONTAINER_CLASS (gd_notification_parent_class)->add (container, child); +} + + +static void +gd_notification_get_preferred_width (GtkWidget *widget, gint *minimum_size, gint *natural_size) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkBin *bin = GTK_BIN (widget); + gint child_min, child_nat; + GtkWidget *child; + GtkBorder padding; + gint minimum, natural; + + get_padding_and_border (notification, &padding); + + minimum = 0; + natural = 0; + + child = gtk_bin_get_child (bin); + if (child && gtk_widget_get_visible (child)) + { + gtk_widget_get_preferred_width (child, + &child_min, &child_nat); + minimum += child_min; + natural += child_nat; + } + + if (priv->show_close_button) + { + gtk_widget_get_preferred_width (priv->close_button, + &child_min, &child_nat); + minimum += child_min; + natural += child_nat; + } + + minimum += padding.left + padding.right + 2 * SHADOW_OFFSET_X; + natural += padding.left + padding.right + 2 * SHADOW_OFFSET_X; + + if (minimum_size) + *minimum_size = minimum; + + if (natural_size) + *natural_size = natural; +} + +static void +gd_notification_get_preferred_width_for_height (GtkWidget *widget, + gint height, + gint *minimum_width, + gint *natural_width) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkBin *bin = GTK_BIN (widget); + gint child_min, child_nat, child_height; + GtkWidget *child; + GtkBorder padding; + gint minimum, natural; + + get_padding_and_border (notification, &padding); + + minimum = 0; + natural = 0; + + child_height = height - SHADOW_OFFSET_Y - padding.top - padding.bottom; + + child = gtk_bin_get_child (bin); + if (child && gtk_widget_get_visible (child)) + { + gtk_widget_get_preferred_width_for_height (child, child_height, + &child_min, &child_nat); + minimum += child_min; + natural += child_nat; + } + + if (priv->show_close_button) + { + gtk_widget_get_preferred_width_for_height (priv->close_button, child_height, + &child_min, &child_nat); + minimum += child_min; + natural += child_nat; + } + + minimum += padding.left + padding.right + 2 * SHADOW_OFFSET_X; + natural += padding.left + padding.right + 2 * SHADOW_OFFSET_X; + + if (minimum_width) + *minimum_width = minimum; + + if (natural_width) + *natural_width = natural; +} + +static void +gd_notification_get_preferred_height_for_width (GtkWidget *widget, + gint width, + gint *minimum_height, + gint *natural_height) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkBin *bin = GTK_BIN (widget); + gint child_min, child_nat, child_width, button_width = 0; + GtkWidget *child; + GtkBorder padding; + gint minimum = 0, natural = 0; + + get_padding_and_border (notification, &padding); + + if (priv->show_close_button) + { + gtk_widget_get_preferred_height (priv->close_button, + &minimum, &natural); + gtk_widget_get_preferred_width (priv->close_button, + NULL, &button_width); + } + + child = gtk_bin_get_child (bin); + if (child && gtk_widget_get_visible (child)) + { + child_width = width - button_width - + 2 * SHADOW_OFFSET_X - padding.left - padding.right; + + gtk_widget_get_preferred_height_for_width (child, child_width, + &child_min, &child_nat); + minimum = MAX (minimum, child_min); + natural = MAX (natural, child_nat); + } + + minimum += padding.top + padding.bottom + SHADOW_OFFSET_Y; + natural += padding.top + padding.bottom + SHADOW_OFFSET_Y; + + if (minimum_height) + *minimum_height = minimum; + + if (natural_height) + *natural_height = natural; +} + +static void +gd_notification_get_preferred_height (GtkWidget *widget, + gint *minimum_height, + gint *natural_height) +{ + gint width; + + gd_notification_get_preferred_width (widget, &width, NULL); + gd_notification_get_preferred_height_for_width (widget, width, + minimum_height, natural_height); +} + +static void +gd_notification_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + GdNotification *notification = GD_NOTIFICATION (widget); + GdNotificationPrivate *priv = notification->priv; + GtkBin *bin = GTK_BIN (widget); + GtkAllocation child_allocation; + GtkBorder padding; + GtkRequisition button_req; + GtkWidget *child; + + gtk_widget_set_allocation (widget, allocation); + + /* If somehow the notification changes while not hidden + and we're not animating, immediately follow the resize */ + if (priv->animate_y > 0 && + !priv->animate_timeout) + priv->animate_y = allocation->height; + + get_padding_and_border (notification, &padding); + + if (gtk_widget_get_realized (widget)) + { + gdk_window_move_resize (gtk_widget_get_window (widget), + allocation->x, + allocation->y, + allocation->width, + allocation->height); + gdk_window_move_resize (priv->bin_window, + 0, + -allocation->height + priv->animate_y, + allocation->width, + allocation->height); + } + + child_allocation.x = SHADOW_OFFSET_X + padding.left; + child_allocation.y = padding.top; + + if (priv->show_close_button) + gtk_widget_get_preferred_size (priv->close_button, &button_req, NULL); + else + button_req.width = button_req.height = 0; + + child_allocation.height = MAX (1, allocation->height - SHADOW_OFFSET_Y - padding.top - padding.bottom); + child_allocation.width = MAX (1, (allocation->width - button_req.width - + 2 * SHADOW_OFFSET_X - padding.left - padding.right)); + + child = gtk_bin_get_child (bin); + if (child && gtk_widget_get_visible (child)) + gtk_widget_size_allocate (child, &child_allocation); + + if (priv->show_close_button) + { + child_allocation.x += child_allocation.width; + child_allocation.width = button_req.width; + child_allocation.y += (child_allocation.height - button_req.height) / 2; + child_allocation.height = button_req.height; + + gtk_widget_size_allocate (priv->close_button, &child_allocation); + } +} + +static gboolean +gd_notification_timeout_cb (gpointer user_data) +{ + GdNotification *notification = GD_NOTIFICATION (user_data); + + gd_notification_dismiss (notification); + + return FALSE; +} + +void +gd_notification_set_timeout (GdNotification *notification, + gint timeout_sec) +{ + GdNotificationPrivate *priv = notification->priv; + + priv->timeout = timeout_sec; + g_object_notify (G_OBJECT (notification), "timeout"); +} + +void +gd_notification_set_show_close_button (GdNotification *notification, + gboolean show_close_button) +{ + GdNotificationPrivate *priv = notification->priv; + + priv->show_close_button = show_close_button; + + gtk_widget_set_visible (priv->close_button, show_close_button); + gtk_widget_queue_resize (GTK_WIDGET (notification)); +} + +void +gd_notification_dismiss (GdNotification *notification) +{ + GdNotificationPrivate *priv = notification->priv; + + if (notification->priv->timeout_source_id) + { + g_source_remove (notification->priv->timeout_source_id); + notification->priv->timeout_source_id = 0; + } + + priv->dismissed = TRUE; + priv->revealed = FALSE; + start_animation (notification); +} + +static void +gd_notification_close_button_clicked_cb (GtkWidget *widget, gpointer user_data) +{ + GdNotification *notification = GD_NOTIFICATION(user_data); + + gd_notification_dismiss (notification); +} + +GtkWidget * +gd_notification_new (void) +{ + return g_object_new (GD_TYPE_NOTIFICATION, NULL); +} |