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/*
* Copyright (C) 2023 GNOME Foundation Inc.
*
* This library 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 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alice Mikhaylenko <alicem@gnome.org>
*/
#include "gtkcssvariablevalueprivate.h"
GtkCssVariableValue *
gtk_css_variable_value_new (GBytes *bytes,
gsize offset,
gsize end_offset,
gsize length,
GtkCssVariableValueReference *references,
gsize n_references)
{
GtkCssVariableValue *self = g_new0 (GtkCssVariableValue, 1);
self->ref_count = 1;
self->bytes = g_bytes_ref (bytes);
self->offset = offset;
self->end_offset = end_offset;
self->length = length;
self->references = references;
self->n_references = n_references;
return self;
}
GtkCssVariableValue *
gtk_css_variable_value_new_initial (GBytes *bytes,
gsize offset,
gsize end_offset)
{
GtkCssVariableValue *self = gtk_css_variable_value_new (bytes, offset, end_offset, 1, NULL, 0);
self->is_invalid = TRUE;
return self;
}
GtkCssVariableValue *
gtk_css_variable_value_ref (GtkCssVariableValue *self)
{
self->ref_count++;
return self;
}
void
gtk_css_variable_value_unref (GtkCssVariableValue *self)
{
gsize i;
self->ref_count--;
if (self->ref_count > 0)
return;
g_bytes_unref (self->bytes);
for (i = 0; i < self->n_references; i++)
{
GtkCssVariableValueReference *ref = &self->references[i];
g_free (ref->name);
if (ref->fallback)
gtk_css_variable_value_unref (ref->fallback);
}
if (self->section)
gtk_css_section_unref (self->section);
g_free (self->references);
g_free (self);
}
void
gtk_css_variable_value_print (GtkCssVariableValue *self,
GString *string)
{
gsize len = self->end_offset - self->offset;
gconstpointer data = g_bytes_get_region (self->bytes, 1, self->offset, len);
g_assert (data != NULL);
g_string_append_len (string, (const char *) data, len);
}
char *
gtk_css_variable_value_to_string (GtkCssVariableValue *self)
{
GString *string = g_string_new (NULL);
gtk_css_variable_value_print (self, string);
return g_string_free (string, FALSE);
}
gboolean
gtk_css_variable_value_equal (const GtkCssVariableValue *value1,
const GtkCssVariableValue *value2)
{
if (value1 == value2)
return TRUE;
if (value1 == NULL || value2 == NULL)
return FALSE;
if (value1->bytes != value2->bytes)
return FALSE;
if (value1->offset != value2->offset)
return FALSE;
if (value1->end_offset != value2->end_offset)
return FALSE;
return TRUE;
}
GtkCssVariableValue *
gtk_css_variable_value_transition (GtkCssVariableValue *start,
GtkCssVariableValue *end,
double progress)
{
GtkCssVariableValue *ret = progress < 0.5 ? start : end;
if (ret == NULL)
return NULL;
return gtk_css_variable_value_ref (ret);
}
void
gtk_css_variable_value_set_section (GtkCssVariableValue *self,
GtkCssSection *section)
{
self->section = gtk_css_section_ref (section);
}
void
gtk_css_variable_value_taint (GtkCssVariableValue *self)
{
self->is_animation_tainted = TRUE;
}
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