diff options
Diffstat (limited to 'src/select/properties/volume.c')
-rw-r--r-- | src/select/properties/volume.c | 98 |
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; +} |