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The Free Software Foundation is now remote-only, and no longer has a street address. Updated license notice text is from https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html#SEC4.
140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
/* Clapper GTK Integration Library
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* Copyright (C) 2024 Rafał Dzięgiel <rafostar.github@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include <clapper/clapper.h>
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#include "clapper-gtk-buffering-animation-private.h"
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#include "clapper-gtk-buffering-paintable-private.h"
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#define MIN_STEP_DELAY 30000
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#define GST_CAT_DEFAULT clapper_gtk_buffering_animation_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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struct _ClapperGtkBufferingAnimation
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{
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ClapperGtkContainer parent;
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ClapperGtkBufferingPaintable *buffering_paintable;
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guint tick_id;
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gint64 last_tick;
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};
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#define parent_class clapper_gtk_buffering_animation_parent_class
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G_DEFINE_TYPE (ClapperGtkBufferingAnimation, clapper_gtk_buffering_animation, CLAPPER_GTK_TYPE_CONTAINER)
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static gboolean
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_animation_tick (GtkWidget *picture, GdkFrameClock *frame_clock, ClapperGtkBufferingAnimation *self)
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{
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gint64 now = gdk_frame_clock_get_frame_time (frame_clock);
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/* We do not want for this animation to move too fast */
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if (now - self->last_tick >= MIN_STEP_DELAY) {
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GST_LOG_OBJECT (self, "Animation step, last: %" G_GINT64_FORMAT
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", now: %" G_GINT64_FORMAT, self->last_tick, now);
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clapper_gtk_buffering_paintable_step (self->buffering_paintable);
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self->last_tick = now;
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}
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return G_SOURCE_CONTINUE;
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}
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void
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clapper_gtk_buffering_animation_start (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture;
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if (self->tick_id != 0)
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return;
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GST_DEBUG_OBJECT (self, "Animation start");
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picture = clapper_gtk_container_get_child (CLAPPER_GTK_CONTAINER (self));
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self->tick_id = gtk_widget_add_tick_callback (picture,
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(GtkTickCallback) _animation_tick, self, NULL);
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}
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void
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clapper_gtk_buffering_animation_stop (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture;
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if (self->tick_id == 0)
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return;
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GST_DEBUG_OBJECT (self, "Animation stop");
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picture = clapper_gtk_container_get_child (CLAPPER_GTK_CONTAINER (self));
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gtk_widget_remove_tick_callback (picture, self->tick_id);
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self->tick_id = 0;
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self->last_tick = 0;
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clapper_gtk_buffering_paintable_reset (self->buffering_paintable);
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}
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static void
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clapper_gtk_buffering_animation_init (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture = gtk_picture_new ();
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self->buffering_paintable = clapper_gtk_buffering_paintable_new ();
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gtk_picture_set_paintable (GTK_PICTURE (picture),
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GDK_PAINTABLE (self->buffering_paintable));
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clapper_gtk_container_set_child (CLAPPER_GTK_CONTAINER (self), picture);
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}
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static void
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clapper_gtk_buffering_animation_unmap (GtkWidget *widget)
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{
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ClapperGtkBufferingAnimation *self = CLAPPER_GTK_BUFFERING_ANIMATION_CAST (widget);
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clapper_gtk_buffering_animation_stop (self);
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GTK_WIDGET_CLASS (parent_class)->unmap (widget);
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}
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static void
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clapper_gtk_buffering_animation_finalize (GObject *object)
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{
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ClapperGtkBufferingAnimation *self = CLAPPER_GTK_BUFFERING_ANIMATION_CAST (object);
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GST_TRACE_OBJECT (self, "Finalize");
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g_object_unref (self->buffering_paintable);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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clapper_gtk_buffering_animation_class_init (ClapperGtkBufferingAnimationClass *klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clappergtkbufferinganimation", 0,
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"Clapper GTK Buffering Animation");
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gobject_class->finalize = clapper_gtk_buffering_animation_finalize;
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widget_class->unmap = clapper_gtk_buffering_animation_unmap;
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gtk_widget_class_set_css_name (widget_class, "clapper-gtk-buffering-animation");
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}
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