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Work in Progress: Update for style-sharing LibCSS API.

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This commit is contained in:
Michael Drake 2016-10-16 14:35:58 +01:00
parent 1fb06929d9
commit b3d98a4d7d
1 changed files with 26 additions and 35 deletions
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61
content/handlers/css/select.c
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@ -253,6 +253,7 @@ static void nscss_dom_user_data_handler(dom_node_operation operation,
css_select_results *nscss_get_style(nscss_select_ctx *ctx, dom_node *n,
uint64_t media, const css_stylesheet *inline_style)
{
css_computed_style *composed;
css_select_results *styles;
int pseudo_element;
css_error error;
@ -274,11 +275,16 @@ css_select_results *nscss_get_style(nscss_select_ctx *ctx, dom_node *n,
error = css_computed_style_compose(ctx->parent_style,
styles->styles[CSS_PSEUDO_ELEMENT_NONE],
nscss_compute_font_size, NULL,
styles->styles[CSS_PSEUDO_ELEMENT_NONE]);
&composed);
if (error != CSS_OK) {
css_select_results_destroy(styles);
return NULL;
}
/* Replace select_results style with composed style */
css_computed_style_destroy(
styles->styles[CSS_PSEUDO_ELEMENT_NONE]);
styles->styles[CSS_PSEUDO_ELEMENT_NONE] = composed;
}
for (pseudo_element = CSS_PSEUDO_ELEMENT_NONE + 1;
@ -301,42 +307,22 @@ css_select_results *nscss_get_style(nscss_select_ctx *ctx, dom_node *n,
styles->styles[CSS_PSEUDO_ELEMENT_NONE],
styles->styles[pseudo_element],
nscss_compute_font_size, NULL,
styles->styles[pseudo_element]);
&composed);
if (error != CSS_OK) {
/* TODO: perhaps this shouldn't be quite so
* catastrophic? */
css_select_results_destroy(styles);
return NULL;
}
/* Replace select_results style with composed style */
css_computed_style_destroy(styles->styles[pseudo_element]);
styles->styles[pseudo_element] = composed;
}
return styles;
}
/**
* Get an initial style
*
* \param ctx CSS selection context
* \return Pointer to partial computed style, or NULL on failure
*/
static css_computed_style *nscss_get_initial_style(nscss_select_ctx *ctx)
{
css_computed_style *style;
css_error error;
error = css_computed_style_create(&style);
if (error != CSS_OK)
return NULL;
error = css_computed_style_initialise(style, &selection_handler, ctx);
if (error != CSS_OK) {
css_computed_style_destroy(style);
return NULL;
}
return style;
}
/**
* Get a blank style
*
@ -347,21 +333,26 @@ static css_computed_style *nscss_get_initial_style(nscss_select_ctx *ctx)
css_computed_style *nscss_get_blank_style(nscss_select_ctx *ctx,
const css_computed_style *parent)
{
css_computed_style *partial;
css_computed_style *partial, *composed;
css_error error;
partial = nscss_get_initial_style(ctx);
if (partial == NULL)
return NULL;
error = css_computed_style_compose(parent, partial,
nscss_compute_font_size, NULL, partial);
error = css_select_default_style(ctx->ctx,
&selection_handler, ctx, &partial);
if (error != CSS_OK) {
css_computed_style_destroy(partial);
return NULL;
}
return partial;
/* TODO: Do we really need to compose? Initial style shouldn't
* have any inherited properties. */
error = css_computed_style_compose(parent, partial,
nscss_compute_font_size, NULL, &composed);
css_computed_style_destroy(partial);
if (error != CSS_OK) {
css_computed_style_destroy(composed);
return NULL;
}
return composed;
}
/**