From 1463005c1bc7e30be973876db0c324021222cd8c Mon Sep 17 00:00:00 2001 From: Diego Escalante Urrelo Date: Wed, 26 Jan 2011 16:01:43 -0500 Subject: ephy-download-widget: new widget A widget showing the progress of an EphyDownload and offering the default set of actions to take on it: Open, Browse to, Cancel. It keeps a ref to the EphyDownload its showing. Bug #618443 --- lib/widgets/Makefile.am | 5 + lib/widgets/ephy-download-widget.c | 507 +++++++++++++++++++++++++++++++++++++ lib/widgets/ephy-download-widget.h | 68 +++++ lib/widgets/totem-glow-button.c | 351 +++++++++++++++++++++++++ lib/widgets/totem-glow-button.h | 52 ++++ 5 files changed, 983 insertions(+) create mode 100644 lib/widgets/ephy-download-widget.c create mode 100644 lib/widgets/ephy-download-widget.h create mode 100644 lib/widgets/totem-glow-button.c create mode 100644 lib/widgets/totem-glow-button.h (limited to 'lib/widgets') diff --git a/lib/widgets/Makefile.am b/lib/widgets/Makefile.am index 524ecf7d0..a80cbde0f 100644 --- a/lib/widgets/Makefile.am +++ b/lib/widgets/Makefile.am @@ -1,6 +1,8 @@ noinst_LTLIBRARIES = libephywidgets.la libephywidgets_la_SOURCES = \ + ephy-download-widget.c \ + ephy-download-widget.h \ ephy-location-entry.c \ ephy-location-entry.h \ ephy-node-view.c \ @@ -11,6 +13,8 @@ libephywidgets_la_SOURCES = \ ephy-tree-model-node.h \ ephy-tree-model-sort.c \ ephy-tree-model-sort.h \ + totem-glow-button.c \ + totem-glow-button.h \ ephy-zoom-action.h \ ephy-zoom-action.c \ ephy-zoom-control.c \ @@ -24,6 +28,7 @@ libephywidgets_la_CPPFLAGS = \ -I$(top_builddir)/lib \ -I$(top_builddir)/lib/widgets \ -I$(top_srcdir)/lib \ + -I$(top_srcdir)/embed \ -I$(top_srcdir)/lib/egg \ -DSHARE_DIR=\"$(pkgdatadir)\" \ $(AM_CPPFLAGS) diff --git a/lib/widgets/ephy-download-widget.c b/lib/widgets/ephy-download-widget.c new file mode 100644 index 000000000..841d4a64e --- /dev/null +++ b/lib/widgets/ephy-download-widget.c @@ -0,0 +1,507 @@ +/* vim: set sw=2 ts=2 sts=2 et: */ +/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * ephy-download.c + * This file is part of Epiphany + * + * Copyright © 2011 - Igalia S.L. + * + * Epiphany is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Epiphany 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Epiphany; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "ephy-download-widget.h" + +#include "ephy-debug.h" +#include "ephy-embed-shell.h" +#include "ephy-download.h" +#include "totem-glow-button.h" + +#include +#include + +G_DEFINE_TYPE (EphyDownloadWidget, ephy_download_widget, GTK_TYPE_HBOX) + +#define DOWNLOAD_WIDGET_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((o), EPHY_TYPE_DOWNLOAD_WIDGET, EphyDownloadWidgetPrivate)) + +struct _EphyDownloadWidgetPrivate +{ + EphyDownload *download; + + GtkWidget *remaining; + GtkWidget *button; + GtkWidget *menu; +}; + +enum +{ + PROP_0, + PROP_DOWNLOAD +}; + +static GdkPixbuf * +get_icon_from_download (WebKitDownload *download) +{ + WebKitNetworkResponse *response; + SoupMessage *message; + const char *content_type; + + GIcon *gicon; + GtkIconInfo *icon_info; + + response = webkit_download_get_network_response (download); + message = webkit_network_response_get_message (response); + content_type = soup_message_headers_get_content_type (message->response_headers, NULL); + + if (content_type != NULL) { + gicon = g_content_type_get_icon (content_type); + } else { + gicon = g_icon_new_for_string ("package-x-generic", NULL); + } + + icon_info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (), + gicon, 32, + GTK_ICON_LOOKUP_GENERIC_FALLBACK); + + if (icon_info == NULL) + icon_info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (), + "package-x-generic", 32, + GTK_ICON_LOOKUP_GENERIC_FALLBACK); + + return gtk_icon_info_load_icon (icon_info, NULL); +} + +static char * +format_interval (gdouble interval) +{ + int hours, mins, secs; + + hours = (int) (interval / 3600); + interval -= hours * 3600; + mins = (int) (interval / 60); + interval -= mins * 60; + secs = (int) interval; + + if (hours > 0) { + if (mins > 0) + return g_strdup_printf (ngettext ("%u:%02u hour left", "%u:%02u hours left", hours), hours, mins); + else + return g_strdup_printf (ngettext ("%u hour left", "%u hours left", hours), hours); + } else { + if (mins > 0) + return g_strdup_printf (ngettext ("%u:%02u minute left", "%u:%02u minutes left", mins), mins, secs); + else + return g_strdup_printf (ngettext ("%u second left", "%u seconds left", secs), secs); + } +} + +static gdouble +get_remaining_time (WebKitDownload *download) +{ + gint64 total, cur; + gdouble elapsed_time; + gdouble remaining_time; + gdouble per_byte_time; + + total = webkit_download_get_total_size (download); + cur = webkit_download_get_current_size (download); + elapsed_time = webkit_download_get_elapsed_time (download); + + if (cur <= 0) + return -1.0; + + per_byte_time = elapsed_time / cur; + remaining_time = per_byte_time * (total - cur); + + return remaining_time; +} + +static void +download_clicked_cb (GtkButton *button, + EphyDownloadWidget *widget) +{ + WebKitDownloadStatus status; + EphyDownload *download; + + download = widget->priv->download; + status = webkit_download_get_status (ephy_download_get_webkit_download (download)); + + if (status != WEBKIT_DOWNLOAD_STATUS_FINISHED) + return; + + if (ephy_download_do_download_action (download, EPHY_DOWNLOAD_ACTION_AUTO)) + gtk_widget_destroy (GTK_WIDGET (widget)); +} + +static void +widget_progress_cb (GObject *object, + GParamSpec *pspec, + EphyDownloadWidget *widget) +{ + WebKitDownload *download; + char *destination; + gdouble time; + char *remaining; + int progress; + char *remaining_label; + char *remaining_tooltip; + + download = WEBKIT_DOWNLOAD (object); + destination = g_filename_display_basename (webkit_download_get_destination_uri (download)); + progress = webkit_download_get_progress (download) * 100; + + time = get_remaining_time (download); + + if (time > 0) + remaining = format_interval (time); + else + remaining = g_strdup (_("Finished")); + + remaining_label = g_strdup_printf ("%d%% (%s)", progress, remaining); + remaining_tooltip = g_strdup_printf ("%s\n%s", destination, remaining_label); + + gtk_label_set_text (GTK_LABEL (widget->priv->remaining), remaining_label); + gtk_widget_set_tooltip_text (GTK_WIDGET (widget), remaining_tooltip); + + g_free (destination); + g_free (remaining); + g_free (remaining_label); + g_free (remaining_tooltip); +} + +static void +widget_status_cb (GObject *object, + GParamSpec *pspec, + EphyDownloadWidget *widget) +{ + WebKitDownloadStatus status; + + status = webkit_download_get_status (WEBKIT_DOWNLOAD (object)); + + if (status == WEBKIT_DOWNLOAD_STATUS_FINISHED) + totem_glow_button_set_glow (TOTEM_GLOW_BUTTON (widget->priv->button), TRUE); +} + +static gboolean +widget_error_cb (WebKitDownload *download, + gint error_code, + gint error_detail, + char *reason, + EphyDownloadWidget *widget) +{ + char *error_msg; + + g_signal_handlers_disconnect_by_func (download, widget_status_cb, widget); + g_signal_handlers_disconnect_by_func (download, widget_progress_cb, widget); + + error_msg = g_strdup_printf (_("Error downloading: %s"), reason); + + gtk_label_set_text (GTK_LABEL (widget->priv->remaining), error_msg); + gtk_widget_set_tooltip_text (GTK_WIDGET (widget), error_msg); + + g_free (error_msg); + + totem_glow_button_set_glow (TOTEM_GLOW_BUTTON (widget->priv->button), TRUE); + + return FALSE; +} + +static void +open_activate_cb (GtkMenuItem *item, EphyDownloadWidget *widget) +{ + if (ephy_download_do_download_action (widget->priv->download, + EPHY_DOWNLOAD_ACTION_OPEN)) + gtk_widget_destroy (GTK_WIDGET (widget)); +} +static void +folder_activate_cb (GtkMenuItem *item, EphyDownloadWidget *widget) +{ + if (ephy_download_do_download_action (widget->priv->download, + EPHY_DOWNLOAD_ACTION_BROWSE_TO)) + gtk_widget_destroy (GTK_WIDGET (widget)); +} +static void +cancel_activate_cb (GtkMenuItem *item, EphyDownloadWidget *widget) +{ + ephy_download_cancel (widget->priv->download); + gtk_widget_destroy (GTK_WIDGET (widget)); +} + +static void +download_menu_clicked_cb (GtkWidget *button, + GdkEventButton *event, + EphyDownloadWidget *widget) +{ + WebKitDownloadStatus status; + gboolean finished; + GtkWidget *item; + GtkWidget *menu; + GtkWidget *box; + GList *children = NULL; + char *basename; + + WebKitDownload *download; + + download = ephy_download_get_webkit_download (widget->priv->download); + + status = webkit_download_get_status (download); + finished = (status == WEBKIT_DOWNLOAD_STATUS_FINISHED); + basename = g_filename_display_basename (webkit_download_get_destination_uri (download)); + + box = gtk_widget_get_parent (button); + children = gtk_container_get_children (GTK_CONTAINER (box)); + totem_glow_button_set_glow (TOTEM_GLOW_BUTTON (children->data), FALSE); + g_list_free (children); + + menu = gtk_menu_new (); + + item = gtk_menu_item_new_with_label (basename); + gtk_widget_set_sensitive (item, FALSE); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + g_free (basename); + + item = gtk_menu_item_new_with_label (_("Cancel")); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + gtk_widget_set_sensitive (item, !finished); + g_signal_connect (item, "activate", + G_CALLBACK (cancel_activate_cb), widget); + + item = gtk_separator_menu_item_new (); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + + item = gtk_menu_item_new_with_label (_("Open")); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + gtk_widget_set_sensitive (item, finished); + g_signal_connect (item, "activate", + G_CALLBACK (open_activate_cb), widget); + + item = gtk_menu_item_new_with_label (_("Show in folder")); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + gtk_widget_set_sensitive (item, finished); + g_signal_connect (item, "activate", + G_CALLBACK (folder_activate_cb), widget); + + gtk_widget_show_all (menu); + + gtk_menu_attach_to_widget (GTK_MENU (menu), button, NULL); + gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, + event->button, event->time); +} + +static void +ephy_download_widget_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + EphyDownloadWidget *widget; + + widget = EPHY_DOWNLOAD_WIDGET (object); + + switch (property_id) { + case PROP_DOWNLOAD: + g_value_set_object (value, ephy_download_widget_get_download (widget)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +ephy_download_widget_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + EphyDownloadWidget *widget; + widget = EPHY_DOWNLOAD_WIDGET (object); + + switch (property_id) { + case PROP_DOWNLOAD: + widget->priv->download = g_object_ref (g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +ephy_download_widget_dispose (GObject *object) +{ + EphyDownloadWidget *widget; + WebKitDownload *download; + + LOG ("EphyDownloadWidget %p dispose", object); + + widget = EPHY_DOWNLOAD_WIDGET (object); + + if (widget->priv->download != NULL) { + download = ephy_download_get_webkit_download (widget->priv->download); + + g_signal_handlers_disconnect_by_func (download, widget_progress_cb, widget); + g_signal_handlers_disconnect_by_func (download, widget_status_cb, widget); + g_signal_handlers_disconnect_by_func (download, widget_error_cb, widget); + + g_object_unref (widget->priv->download); + widget->priv->download = NULL; + } + + G_OBJECT_CLASS (ephy_download_widget_parent_class)->dispose (object); +} + +static void +ephy_download_widget_class_init (EphyDownloadWidgetClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (EphyDownloadWidgetPrivate)); + + object_class->get_property = ephy_download_widget_get_property; + object_class->set_property = ephy_download_widget_set_property; + object_class->dispose = ephy_download_widget_dispose; + + /** + * EphyDownloadWidget::download: + * + * The EphyDownload that this widget is showing. + */ + g_object_class_install_property (object_class, PROP_DOWNLOAD, + g_param_spec_object ("download", + "An EphyDownload object", + "The EphyDownload shown by this widget", + G_TYPE_OBJECT, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_STATIC_NAME | + G_PARAM_STATIC_NICK | + G_PARAM_STATIC_BLURB)); +} + +static void +ephy_download_widget_init (EphyDownloadWidget *self) +{ + self->priv = DOWNLOAD_WIDGET_PRIVATE (self); +} + +/** + * ephy_download_widget_get_download: + * @widget: an #EphyDownloadWidget + * + * Gets the #EphyDownload that @widget is showing. + * + * Returns: (transfer none): an #EphyDownload. + **/ +EphyDownload * +ephy_download_widget_get_download (EphyDownloadWidget *widget) +{ + g_return_val_if_fail (EPHY_IS_DOWNLOAD_WIDGET (widget), NULL); + return widget->priv->download; +} + +/** + * ephy_download_widget_new: + * @ephy_download: the #EphyDownload that @widget is wrapping + * + * Creates an #EphyDownloadWidget to wrap @ephy_download. It also associates + * @ephy_download to it. + * + * Returns: a new #EphyDownloadWidget + **/ +GtkWidget * +ephy_download_widget_new (EphyDownload *ephy_download) +{ + EphyDownloadWidget *widget; + + GtkWidget *grid; + GtkWidget *icon; + GtkWidget *text; + GtkWidget *button; + GtkWidget *menu; + GtkWidget *remain; + + char *dest; + GdkPixbuf *pixbuf = NULL; + WebKitDownload *download; + + g_return_val_if_fail (EPHY_IS_DOWNLOAD (ephy_download), NULL); + + widget = g_object_new (EPHY_TYPE_DOWNLOAD_WIDGET, + "download", ephy_download, NULL); + download = ephy_download_get_webkit_download (ephy_download); + + pixbuf = get_icon_from_download (download); + dest = g_filename_display_basename (webkit_download_get_destination_uri (download)); + + grid = gtk_grid_new (); + + button = totem_glow_button_new (); + menu = gtk_button_new (); + + icon = gtk_image_new_from_pixbuf (pixbuf); + text = gtk_label_new (dest); + gtk_misc_set_alignment (GTK_MISC (text), 0, 0.5); + gtk_label_set_ellipsize (GTK_LABEL (text), PANGO_ELLIPSIZE_END); + + remain = gtk_label_new (_("Starting…")); + gtk_misc_set_alignment (GTK_MISC (remain), 0, 0.5); + gtk_label_set_ellipsize (GTK_LABEL (remain), PANGO_ELLIPSIZE_END); + + gtk_grid_attach (GTK_GRID (grid), icon, 0, 0, 1, 2); + gtk_grid_attach (GTK_GRID (grid), text, 1, 0, 1, 1); + gtk_grid_attach (GTK_GRID (grid), remain, 1, 1, 1, 1); + + gtk_widget_set_tooltip_text (GTK_WIDGET (widget), dest); + + if (pixbuf) + g_object_unref (pixbuf); + g_free (dest); + + widget->priv->button = button; + widget->priv->remaining = remain; + widget->priv->menu = menu; + + g_signal_connect (download, "notify::progress", + G_CALLBACK (widget_progress_cb), widget); + g_signal_connect (download, "notify::status", + G_CALLBACK (widget_status_cb), widget); + g_signal_connect (download, "error", + G_CALLBACK (widget_error_cb), widget); + + gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_HALF); + gtk_button_set_relief (GTK_BUTTON (menu), GTK_RELIEF_NORMAL); + + gtk_container_add (GTK_CONTAINER (button), grid); + gtk_container_add (GTK_CONTAINER (menu), + gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE)); + + gtk_box_pack_start (GTK_BOX (widget), button, FALSE, FALSE, 0); + gtk_box_pack_end (GTK_BOX (widget), menu, FALSE, FALSE, 0); + + g_signal_connect (button, "clicked", + G_CALLBACK (download_clicked_cb), widget); + g_signal_connect (menu, "button-press-event", + G_CALLBACK (download_menu_clicked_cb), widget); + + gtk_widget_show_all (button); + gtk_widget_show_all (menu); + + ephy_download_set_widget (ephy_download, GTK_WIDGET (widget)); + + return GTK_WIDGET (widget); +} diff --git a/lib/widgets/ephy-download-widget.h b/lib/widgets/ephy-download-widget.h new file mode 100644 index 000000000..f2a1d8826 --- /dev/null +++ b/lib/widgets/ephy-download-widget.h @@ -0,0 +1,68 @@ +/* vim: set foldmethod=marker sw=2 ts=2 sts=2 et: */ +/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * ephy-download.c + * This file is part of Epiphany + * + * Copyright © 2011 - Igalia S.L. + * + * Epiphany is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Epiphany 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Epiphany; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301 USA + */ + +#if !defined (__EPHY_EPIPHANY_H_INSIDE__) && !defined (EPIPHANY_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef _EPHY_DOWNLOAD_WIDGET_H +#define _EPHY_DOWNLOAD_WIDGET_H + +#include +#include "ephy-download.h" + +G_BEGIN_DECLS + +#define EPHY_TYPE_DOWNLOAD_WIDGET ephy_download_widget_get_type() +#define EPHY_DOWNLOAD_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EPHY_TYPE_DOWNLOAD_WIDGET, EphyDownloadWidget)) +#define EPHY_DOWNLOAD_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EPHY_TYPE_DOWNLOAD_WIDGET, EphyDownloadWidgetClass)) +#define EPHY_IS_DOWNLOAD_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EPHY_TYPE_DOWNLOAD_WIDGET)) +#define EPHY_IS_DOWNLOAD_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EPHY_TYPE_DOWNLOAD_WIDGET)) +#define EPHY_DOWNLOAD_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EPHY_TYPE_DOWNLOAD_WIDGET, EphyDownloadWidgetClass)) + +typedef struct _EphyDownloadWidget EphyDownloadWidget; +typedef struct _EphyDownloadWidgetClass EphyDownloadWidgetClass; +typedef struct _EphyDownloadWidgetPrivate EphyDownloadWidgetPrivate; + +struct _EphyDownloadWidget +{ + GtkHBox parent; + + EphyDownloadWidgetPrivate *priv; +}; + +struct _EphyDownloadWidgetClass +{ + GtkHBoxClass parent_class; +}; + +GType ephy_download_widget_get_type (void) G_GNUC_CONST; + +GtkWidget *ephy_download_widget_new (EphyDownload *ephy_download); + +EphyDownload *ephy_download_widget_get_download (EphyDownloadWidget *widget); + +G_END_DECLS + +#endif /* _EPHY_DOWNLOAD_WIDGET_H */ diff --git a/lib/widgets/totem-glow-button.c b/lib/widgets/totem-glow-button.c new file mode 100644 index 000000000..9a0b3fd93 --- /dev/null +++ b/lib/widgets/totem-glow-button.c @@ -0,0 +1,351 @@ +/* + * (C) Copyright 2007 Bastien Nocera + * + * Glow code from libwnck/libwnck/tasklist.c: + * Copyright © 2001 Havoc Pennington + * Copyright © 2003 Kim Woelders + * Copyright © 2003 Red Hat, Inc. + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include "totem-glow-button.h" + +#define FADE_OPACITY_DEFAULT 0.6 +#define ENTER_SPEEDUP_RATIO 0.4 +#define FADE_MAX_LOOPS 4 + +struct _TotemGlowButton { + GtkButton parent; + + gdouble glow_start_time; + gdouble glow_factor; + + guint button_glow; + + guint glow : 1; + guint anim_enabled : 1; + guint pointer_entered : 1; + /* Set when we don't want to play animation + * anymore in pointer entered mode */ + guint anim_finished :1; +}; + +static void totem_glow_button_set_timeout (TotemGlowButton *button, gboolean set_timeout); + +static GtkButtonClass *parent_class; + +G_DEFINE_TYPE (TotemGlowButton, totem_glow_button, GTK_TYPE_BUTTON); + +static gboolean +totem_glow_button_glow (TotemGlowButton *button) +{ + GtkWidget *buttonw; + GTimeVal tv; + gdouble now; + gfloat fade_opacity, loop_time; + + buttonw = GTK_WIDGET (button); + + if (gtk_widget_get_realized (buttonw) == FALSE) + return TRUE; + + if (button->anim_enabled != FALSE) { + g_get_current_time (&tv); + now = (tv.tv_sec * (1.0 * G_USEC_PER_SEC) + + tv.tv_usec) / G_USEC_PER_SEC; + + /* Hard-coded values */ + fade_opacity = FADE_OPACITY_DEFAULT; + loop_time = 3.0; + + if (button->glow_start_time <= G_MINDOUBLE) { + button->glow_start_time = now; + /* If the pointer entered, we want to start with 'dark' */ + if (button->pointer_entered != FALSE) { + button->glow_start_time -= loop_time / 4.0; + } + } + + /* Timing for mouse hover animation + [light]......[dark]......[light]......[dark]... + {mouse hover event} + [dark]..[light]..[dark]..[light] + {mouse leave event} + [light]......[dark]......[light]......[dark] + */ + if (button->pointer_entered != FALSE) { + /* pointer entered animation should be twice as fast */ + loop_time *= ENTER_SPEEDUP_RATIO; + } + if ((now - button->glow_start_time) > loop_time * FADE_MAX_LOOPS) { + button->anim_finished = TRUE; + button->glow_factor = FADE_OPACITY_DEFAULT * 0.5; + } else { + button->glow_factor = fade_opacity * (0.5 - 0.5 * cos ((now - button->glow_start_time) * M_PI * 2.0 / loop_time)); + } + } else { + button->glow_factor = FADE_OPACITY_DEFAULT * 0.5; + } + + gtk_widget_queue_draw (GTK_WIDGET (button)); + + if (button->anim_finished != FALSE) + totem_glow_button_set_timeout (button, FALSE); + + return button->anim_enabled; +} + +static void +totem_glow_button_clear_glow_start_timeout_id (TotemGlowButton *button) +{ + button->button_glow = 0; +} + +static gboolean +totem_glow_button_draw (GtkWidget *widget, + cairo_t *cr, + gpointer user_data) +{ + TotemGlowButton *button; + GtkStyleContext *context; + GtkAllocation allocation, child_allocation; + gint width, height; + GtkWidget *child; + GdkRGBA acolor; + + button = TOTEM_GLOW_BUTTON (widget); + + if (button->glow_factor == 0.0) + return FALSE; + + context = gtk_widget_get_style_context (widget); + + /* push a translucent overlay to paint to, so we can blend later */ + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA); + + gtk_widget_get_allocation (widget, &allocation); + + width = allocation.width; + height = allocation.height; + + /* Draw a rectangle with bg[SELECTED] */ + gtk_style_context_save (context); + gtk_style_context_add_class (context, "button"); + gtk_style_context_set_state (context, GTK_STATE_SELECTED); + gtk_style_context_get_background_color (context, GTK_STATE_SELECTED, &acolor); + gdk_cairo_set_source_rgba (cr, &acolor); + gtk_render_background (context, cr, 0, 0, width, height); + gtk_style_context_restore (context); + + /* then the image */ + cairo_save (cr); + child = gtk_bin_get_child (GTK_BIN (button)); + gtk_widget_get_allocation (child, &child_allocation); + cairo_translate (cr, + child_allocation.x - allocation.x, + child_allocation.y - allocation.y); + gtk_widget_draw (gtk_bin_get_child (GTK_BIN (button)), cr); + cairo_restore (cr); + + /* finally blend it */ + cairo_pop_group_to_source (cr); + cairo_paint_with_alpha (cr, button->glow_factor); + + return FALSE; +} + +static void +totem_glow_button_map (GtkWidget *buttonw) +{ + TotemGlowButton *button; + + (* GTK_WIDGET_CLASS (parent_class)->map) (buttonw); + + button = TOTEM_GLOW_BUTTON (buttonw); + + if (button->glow != FALSE && button->button_glow == 0) { + totem_glow_button_set_glow (button, TRUE); + } +} + +static void +totem_glow_button_unmap (GtkWidget *buttonw) +{ + TotemGlowButton *button; + + button = TOTEM_GLOW_BUTTON (buttonw); + + if (button->button_glow > 0) { + g_source_remove (button->button_glow); + button->button_glow = 0; + } + + (* GTK_WIDGET_CLASS (parent_class)->unmap) (buttonw); +} + +static void +totem_glow_button_enter (GtkButton *buttonw) +{ + TotemGlowButton *button; + + button = TOTEM_GLOW_BUTTON (buttonw); + + (* GTK_BUTTON_CLASS (parent_class)->enter) (buttonw); + + button->pointer_entered = TRUE; + button->anim_finished = FALSE; + button->glow_start_time = G_MINDOUBLE; + totem_glow_button_set_timeout (button, FALSE); +} + +static void +totem_glow_button_leave (GtkButton *buttonw) +{ + TotemGlowButton *button; + + button = TOTEM_GLOW_BUTTON (buttonw); + + (* GTK_BUTTON_CLASS (parent_class)->leave) (buttonw); + + button->pointer_entered = FALSE; + button->glow_start_time = G_MINDOUBLE; + button->anim_finished = FALSE; + if (button->glow != FALSE) + totem_glow_button_set_timeout (button, TRUE); +} + +static void +totem_glow_button_finalize (GObject *object) +{ + TotemGlowButton *button = TOTEM_GLOW_BUTTON (object); + + totem_glow_button_set_glow (button, FALSE); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +totem_glow_button_class_init (TotemGlowButtonClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = totem_glow_button_finalize; + /* Note that we don't use a draw here because we + * want to modify what the button will draw by itself */ + widget_class->map = totem_glow_button_map; + widget_class->unmap = totem_glow_button_unmap; + button_class->enter = totem_glow_button_enter; + button_class->leave = totem_glow_button_leave; +} + +static void +totem_glow_button_init (TotemGlowButton *button) +{ + button->glow_start_time = 0.0; + button->button_glow = 0; + button->glow_factor = 0.0; + + g_signal_connect_object (button, "draw", + G_CALLBACK (totem_glow_button_draw), + G_OBJECT (button), + G_CONNECT_AFTER); +} + +GtkWidget * +totem_glow_button_new (void) +{ + return g_object_new (TOTEM_TYPE_GLOW_BUTTON, NULL); +} + +/* We can only add a timeout once, we assert that, though + * calling it multiple times to disable the animation is fine */ +static void +totem_glow_button_set_timeout (TotemGlowButton *button, gboolean set_timeout) +{ + if (set_timeout != FALSE) { + if (button->button_glow > 0) + return; + + button->glow_start_time = 0.0; + + /* The animation doesn't speed up or slow down based on the + * timeout value, but instead will just appear smoother or + * choppier. + */ + button->button_glow = + g_timeout_add_full (G_PRIORITY_DEFAULT_IDLE, + 100, + (GSourceFunc) totem_glow_button_glow, button, + (GDestroyNotify) totem_glow_button_clear_glow_start_timeout_id); + } else { + if (button->button_glow > 0) { + g_source_remove (button->button_glow); + button->button_glow = 0; + } + button->glow_factor = 0.0; + gtk_widget_queue_draw (GTK_WIDGET (button)); + } +} + +void +totem_glow_button_set_glow (TotemGlowButton *button, gboolean glow) +{ + GtkSettings *settings; + gboolean anim_enabled; + + g_return_if_fail (TOTEM_IS_GLOW_BUTTON (button)); + + if (gtk_widget_get_mapped (GTK_WIDGET (button)) == FALSE + && glow != FALSE) { + button->glow = glow; + return; + } + + settings = gtk_settings_get_for_screen + (gtk_widget_get_screen (GTK_WIDGET (button))); + g_object_get (G_OBJECT (settings), + "gtk-enable-animations", &anim_enabled, + NULL); + button->anim_enabled = anim_enabled; + + if (glow == FALSE && button->button_glow == 0 && button->anim_enabled != FALSE) + return; + if (glow != FALSE && button->button_glow != 0) + return; + + button->glow = glow; + + totem_glow_button_set_timeout (button, glow); +} + +gboolean +totem_glow_button_get_glow (TotemGlowButton *button) +{ + return button->glow != FALSE; +} + diff --git a/lib/widgets/totem-glow-button.h b/lib/widgets/totem-glow-button.h new file mode 100644 index 000000000..138f8c44f --- /dev/null +++ b/lib/widgets/totem-glow-button.h @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2007 Bastien Nocera + * + * Glow code from libwnck/libwnck/tasklist.c: + * Copyright © 2001 Havoc Pennington + * Copyright © 2003 Kim Woelders + * Copyright © 2003 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + */ + +#ifndef __TOTEM_GLOW_BUTTON_H__ +#define __TOTEM_GLOW_BUTTON_H__ + +#include + +G_BEGIN_DECLS + +#define TOTEM_TYPE_GLOW_BUTTON (totem_glow_button_get_type ()) +#define TOTEM_GLOW_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TOTEM_TYPE_GLOW_BUTTON, TotemGlowButton)) +#define TOTEM_IS_GLOW_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TOTEM_TYPE_GLOW_BUTTON)) + +typedef struct _TotemGlowButton TotemGlowButton; + +typedef struct _TotemGlowButtonClass { + GtkButtonClass parent_class; + + gpointer __bla[4]; +} TotemGlowButtonClass; + +GType totem_glow_button_get_type (void) G_GNUC_CONST; + +GtkWidget * totem_glow_button_new (void); +void totem_glow_button_set_glow (TotemGlowButton *button, gboolean glow); +gboolean totem_glow_button_get_glow (TotemGlowButton *button); + +G_END_DECLS + +#endif /* __TOTEM_GLOW_BUTTON_H__ */ -- cgit v1.2.3