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-rw-r--r--src/select/properties/volume.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/select/properties/volume.c b/src/select/properties/volume.c
new file mode 100644
index 0000000..b2b7b5e
--- /dev/null
+++ b/src/select/properties/volume.c
@@ -0,0 +1,98 @@
+/*
+ * This file is part of LibCSS
+ * Licensed under the MIT License,
+ * http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
+ */
+
+#include "bytecode/bytecode.h"
+#include "bytecode/opcodes.h"
+#include "select/propset.h"
+#include "select/propget.h"
+#include "utils/utils.h"
+
+#include "select/properties/properties.h"
+#include "select/properties/helpers.h"
+
+css_error cascade_volume(uint32_t opv, css_style *style,
+ css_select_state *state)
+{
+ uint16_t value = 0;
+ css_fixed val = 0;
+ uint32_t unit = UNIT_PCT;
+
+ if (isInherit(opv) == false) {
+ switch (getValue(opv)) {
+ case VOLUME_NUMBER:
+ value = 0;
+
+ val = *((css_fixed *) style->bytecode);
+ advance_bytecode(style, sizeof(val));
+ break;
+ case VOLUME_DIMENSION:
+ value = 0;
+
+ val = *((css_fixed *) style->bytecode);
+ advance_bytecode(style, sizeof(val));
+ unit = *((uint32_t *) style->bytecode);
+ advance_bytecode(style, sizeof(unit));
+ break;
+ case VOLUME_SILENT:
+ case VOLUME_X_SOFT:
+ case VOLUME_SOFT:
+ case VOLUME_MEDIUM:
+ case VOLUME_LOUD:
+ case VOLUME_X_LOUD:
+ /** \todo convert to public values */
+ break;
+ }
+ }
+
+ unit = to_css_unit(unit);
+
+ if (outranks_existing(getOpcode(opv), isImportant(opv), state,
+ isInherit(opv))) {
+ /** \todo volume */
+ }
+
+ return CSS_OK;
+}
+
+css_error set_volume_from_hint(const css_hint *hint,
+ css_computed_style *style)
+{
+ UNUSED(hint);
+ UNUSED(style);
+
+ return CSS_OK;
+}
+
+css_error initial_volume(css_select_state *state)
+{
+ UNUSED(state);
+
+ return CSS_OK;
+}
+
+css_error compose_volume(const css_computed_style *parent,
+ const css_computed_style *child,
+ css_computed_style *result)
+{
+ UNUSED(parent);
+ UNUSED(child);
+ UNUSED(result);
+
+ return CSS_OK;
+}
+
+uint32_t destroy_volume(void *bytecode)
+{
+ uint32_t value = getValue(*((uint32_t*)bytecode));
+ uint32_t additional = 0;
+ if (value == VOLUME_NUMBER)
+ additional = sizeof(css_fixed);
+ else if (value == VOLUME_DIMENSION)
+ additional = sizeof(css_fixed) + sizeof(uint32_t);
+
+ return sizeof(uint32_t) + additional;
+}