mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-22 22:41:30 +03:00
split out object handling from render/html.c
This commit is contained in:
Vincent Sanders
parent
4e7b4259a4
commit
a35e66ffa1
@ -12,10 +12,10 @@ S_FETCHERS := curl.c data.c file.c about.c resource.c
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S_CSS := css.c dump.c internal.c select.c utils.c
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S_CSS := css.c dump.c internal.c select.c utils.c
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S_RENDER := box.c box_construct.c box_normalise.c box_textarea.c \
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S_RENDER := box.c box_construct.c box_normalise.c box_textarea.c \
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font.c form.c \
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font.c form.c imagemap.c layout.c list.c search.c table.c \
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html.c html_css.c html_script.c html_interaction.c \
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textplain.c \
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html_redraw.c html_forms.c imagemap.c layout.c list.c \
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html.c html_css.c html_script.c html_interaction.c \
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search.c table.c textplain.c
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html_redraw.c html_forms.c html_object.c
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S_UTILS := base64.c corestrings.c filename.c filepath.c hashtable.c \
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S_UTILS := base64.c corestrings.c filename.c filepath.c hashtable.c \
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libdom.c locale.c log.c messages.c nsurl.c talloc.c url.c \
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libdom.c locale.c log.c messages.c nsurl.c talloc.c url.c \
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577
render/html.c
577
render/html.c
@ -69,27 +69,6 @@ static const char *html_types[] = {
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"text/html"
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"text/html"
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};
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};
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/* forward declared functions */
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static void html_object_refresh(void *p);
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static void html_destroy_objects(html_content *html)
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{
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while (html->object_list != NULL) {
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struct content_html_object *victim = html->object_list;
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if (victim->content != NULL) {
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LOG(("object %p", victim->content));
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if (content_get_type(victim->content) == CONTENT_HTML)
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schedule_remove(html_object_refresh, victim);
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hlcache_handle_release(victim->content);
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}
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html->object_list = victim->next;
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free(victim);
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}
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}
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/**
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/**
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* Perform post-box-creation conversion of a document
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* Perform post-box-creation conversion of a document
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@ -107,7 +86,7 @@ static void html_box_convert_done(html_content *c, bool success)
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/* Clean up and report error if unsuccessful or aborted */
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/* Clean up and report error if unsuccessful or aborted */
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if ((success == false) || (c->aborted)) {
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if ((success == false) || (c->aborted)) {
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html_destroy_objects(c);
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html_object_free_objects(c);
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if (success == false) {
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if (success == false) {
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content_broadcast_errorcode(&c->base, NSERROR_BOX_CONVERT);
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content_broadcast_errorcode(&c->base, NSERROR_BOX_CONVERT);
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@ -130,7 +109,7 @@ static void html_box_convert_done(html_content *c, bool success)
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exc = dom_document_get_document_element(c->document, (void *) &html);
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exc = dom_document_get_document_element(c->document, (void *) &html);
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if ((exc != DOM_NO_ERR) || (html == NULL)) {
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if ((exc != DOM_NO_ERR) || (html == NULL)) {
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/** @todo should this call html_destroy_objects(c);
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/** @todo should this call html_object_free_objects(c);
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* like the other error paths
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* like the other error paths
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*/
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*/
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LOG(("error retrieving html element from dom"));
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LOG(("error retrieving html element from dom"));
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@ -143,7 +122,7 @@ static void html_box_convert_done(html_content *c, bool success)
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err = imagemap_extract(c);
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err = imagemap_extract(c);
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if (err != NSERROR_OK) {
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if (err != NSERROR_OK) {
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LOG(("imagemap extraction failed"));
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LOG(("imagemap extraction failed"));
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html_destroy_objects(c);
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html_object_free_objects(c);
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content_broadcast_errorcode(&c->base, err);
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content_broadcast_errorcode(&c->base, err);
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content_set_error(&c->base);
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content_set_error(&c->base);
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dom_node_unref(html);
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dom_node_unref(html);
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@ -217,7 +196,7 @@ void html_finish_conversion(html_content *c)
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error = dom_to_box(html, c, html_box_convert_done);
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error = dom_to_box(html, c, html_box_convert_done);
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if (error != NSERROR_OK) {
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if (error != NSERROR_OK) {
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dom_node_unref(html);
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dom_node_unref(html);
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html_destroy_objects(c);
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html_object_free_objects(c);
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content_broadcast_errorcode(&c->base, error);
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content_broadcast_errorcode(&c->base, error);
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content_set_error(&c->base);
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content_set_error(&c->base);
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return;
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return;
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@ -1092,409 +1071,9 @@ static nserror html_meta_refresh(html_content *c, dom_node *head)
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return ns_error;
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return ns_error;
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}
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}
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/**
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* Update a box whose content has completed rendering.
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*/
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static void
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html_object_done(struct box *box,
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hlcache_handle *object,
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bool background)
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{
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struct box *b;
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if (background) {
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box->background = object;
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return;
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}
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box->object = object;
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if (!(box->flags & REPLACE_DIM)) {
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/* invalidate parent min, max widths */
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for (b = box; b; b = b->parent)
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b->max_width = UNKNOWN_MAX_WIDTH;
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/* delete any clones of this box */
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while (box->next && (box->next->flags & CLONE)) {
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/* box_free_box(box->next); */
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box->next = box->next->next;
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}
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}
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}
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/**
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* Handle object fetching or loading failure.
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*
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* \param box box containing object which failed to load
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* \param content document of type CONTENT_HTML
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* \param background the object was the background image for the box
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*/
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static void
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html_object_failed(struct box *box, html_content *content, bool background)
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{
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/* Nothing to do */
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return;
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}
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/**
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* Callback for hlcache_handle_retrieve() for objects.
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*/
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static nserror
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html_object_callback(hlcache_handle *object,
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const hlcache_event *event,
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void *pw)
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{
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struct content_html_object *o = pw;
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html_content *c = (html_content *) o->parent;
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int x, y;
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struct box *box;
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assert(c->base.status != CONTENT_STATUS_ERROR);
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box = o->box;
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switch (event->type) {
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case CONTENT_MSG_LOADING:
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if (c->base.status != CONTENT_STATUS_LOADING && c->bw != NULL)
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content_open(object,
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c->bw, &c->base,
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box->object_params);
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break;
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case CONTENT_MSG_READY:
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if (content_can_reformat(object)) {
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/* TODO: avoid knowledge of box internals here */
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content_reformat(object, false,
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box->max_width != UNKNOWN_MAX_WIDTH ?
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box->width : 0,
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box->max_width != UNKNOWN_MAX_WIDTH ?
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box->height : 0);
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/* Adjust parent content for new object size */
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html_object_done(box, object, o->background);
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if (c->base.status == CONTENT_STATUS_READY ||
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c->base.status == CONTENT_STATUS_DONE)
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content__reformat(&c->base, false,
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c->base.available_width,
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c->base.height);
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}
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break;
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case CONTENT_MSG_DONE:
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c->base.active--;
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LOG(("%d fetches active", c->base.active));
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html_object_done(box, object, o->background);
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if (c->base.status != CONTENT_STATUS_LOADING &&
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box->flags & REPLACE_DIM) {
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union content_msg_data data;
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if (!box_visible(box))
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break;
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box_coords(box, &x, &y);
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data.redraw.x = x + box->padding[LEFT];
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data.redraw.y = y + box->padding[TOP];
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data.redraw.width = box->width;
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data.redraw.height = box->height;
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data.redraw.full_redraw = true;
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content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
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}
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break;
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case CONTENT_MSG_ERROR:
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hlcache_handle_release(object);
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o->content = NULL;
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c->base.active--;
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LOG(("%d fetches active", c->base.active));
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content_add_error(&c->base, "?", 0);
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html_object_failed(box, c, o->background);
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break;
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case CONTENT_MSG_STATUS:
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if (event->data.explicit_status_text == NULL) {
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/* Object content's status text updated */
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union content_msg_data data;
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data.explicit_status_text =
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content_get_status_message(object);
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html_set_status(c, data.explicit_status_text);
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content_broadcast(&c->base, CONTENT_MSG_STATUS, data);
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} else {
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/* Object content wants to set explicit message */
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content_broadcast(&c->base, CONTENT_MSG_STATUS,
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event->data);
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}
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break;
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case CONTENT_MSG_REFORMAT:
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break;
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case CONTENT_MSG_REDRAW:
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if (c->base.status != CONTENT_STATUS_LOADING) {
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union content_msg_data data = event->data;
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if (!box_visible(box))
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break;
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box_coords(box, &x, &y);
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if (hlcache_handle_get_content(object) ==
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event->data.redraw.object) {
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data.redraw.x = data.redraw.x *
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box->width / content_get_width(object);
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data.redraw.y = data.redraw.y *
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box->height /
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content_get_height(object);
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data.redraw.width = data.redraw.width *
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box->width / content_get_width(object);
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data.redraw.height = data.redraw.height *
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box->height /
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content_get_height(object);
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data.redraw.object_width = box->width;
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data.redraw.object_height = box->height;
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}
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data.redraw.x += x + box->padding[LEFT];
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data.redraw.y += y + box->padding[TOP];
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data.redraw.object_x += x + box->padding[LEFT];
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data.redraw.object_y += y + box->padding[TOP];
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content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
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}
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break;
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case CONTENT_MSG_REFRESH:
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if (content_get_type(object) == CONTENT_HTML) {
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/* only for HTML objects */
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schedule(event->data.delay * 100,
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html_object_refresh, o);
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}
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break;
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case CONTENT_MSG_LINK:
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/* Don't care about favicons that aren't on top level content */
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break;
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case CONTENT_MSG_GETCTX:
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*(event->data.jscontext) = NULL;
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break;
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case CONTENT_MSG_SCROLL:
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if (box->scroll_x != NULL)
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scrollbar_set(box->scroll_x, event->data.scroll.x0,
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false);
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if (box->scroll_y != NULL)
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scrollbar_set(box->scroll_y, event->data.scroll.y0,
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false);
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break;
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case CONTENT_MSG_DRAGSAVE:
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{
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union content_msg_data msg_data;
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if (event->data.dragsave.content == NULL)
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msg_data.dragsave.content = object;
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else
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msg_data.dragsave.content =
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event->data.dragsave.content;
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content_broadcast(&c->base, CONTENT_MSG_DRAGSAVE, msg_data);
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}
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break;
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case CONTENT_MSG_SAVELINK:
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case CONTENT_MSG_POINTER:
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/* These messages are for browser window layer.
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* we're not interested, so pass them on. */
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content_broadcast(&c->base, event->type, event->data);
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break;
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case CONTENT_MSG_CARET:
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{
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union html_focus_owner focus_owner;
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focus_owner.content = box;
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switch (event->data.caret.type) {
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case CONTENT_CARET_REMOVE:
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case CONTENT_CARET_HIDE:
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html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
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true, 0, 0, 0, NULL);
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break;
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case CONTENT_CARET_SET_POS:
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html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
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false, event->data.caret.pos.x,
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event->data.caret.pos.y,
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event->data.caret.pos.height,
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event->data.caret.pos.clip);
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break;
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}
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}
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break;
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case CONTENT_MSG_DRAG:
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{
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html_drag_type drag_type = HTML_DRAG_NONE;
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union html_drag_owner drag_owner;
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drag_owner.content = box;
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switch (event->data.drag.type) {
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case CONTENT_DRAG_NONE:
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drag_type = HTML_DRAG_NONE;
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drag_owner.no_owner = true;
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break;
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case CONTENT_DRAG_SCROLL:
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drag_type = HTML_DRAG_CONTENT_SCROLL;
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break;
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case CONTENT_DRAG_SELECTION:
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drag_type = HTML_DRAG_CONTENT_SELECTION;
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break;
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}
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html_set_drag_type(c, drag_type, drag_owner,
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event->data.drag.rect);
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}
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break;
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case CONTENT_MSG_SELECTION:
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{
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html_selection_type sel_type;
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union html_selection_owner sel_owner;
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if (event->data.selection.selection) {
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sel_type = HTML_SELECTION_CONTENT;
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sel_owner.content = box;
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} else {
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sel_type = HTML_SELECTION_NONE;
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sel_owner.none = true;
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}
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html_set_selection(c, sel_type, sel_owner,
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event->data.selection.read_only);
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}
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break;
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default:
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assert(0);
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}
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|
||||||
if (c->base.status == CONTENT_STATUS_READY && c->base.active == 0 &&
|
|
||||||
(event->type == CONTENT_MSG_LOADING ||
|
|
||||||
event->type == CONTENT_MSG_DONE ||
|
|
||||||
event->type == CONTENT_MSG_ERROR)) {
|
|
||||||
/* all objects have arrived */
|
|
||||||
content__reformat(&c->base, false, c->base.available_width,
|
|
||||||
c->base.height);
|
|
||||||
html_set_status(c, "");
|
|
||||||
content_set_done(&c->base);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* If 1) the configuration option to reflow pages while objects are
|
|
||||||
* fetched is set
|
|
||||||
* 2) an object is newly fetched & converted,
|
|
||||||
* 3) the box's dimensions need to change due to being replaced
|
|
||||||
* 4) the object's parent HTML is ready for reformat,
|
|
||||||
* 5) the time since the previous reformat is more than the
|
|
||||||
* configured minimum time between reformats
|
|
||||||
* then reformat the page to display newly fetched objects */
|
|
||||||
else if (nsoption_bool(incremental_reflow) &&
|
|
||||||
event->type == CONTENT_MSG_DONE &&
|
|
||||||
!(box->flags & REPLACE_DIM) &&
|
|
||||||
(c->base.status == CONTENT_STATUS_READY ||
|
|
||||||
c->base.status == CONTENT_STATUS_DONE) &&
|
|
||||||
(wallclock() > c->base.reformat_time)) {
|
|
||||||
content__reformat(&c->base, false, c->base.available_width,
|
|
||||||
c->base.height);
|
|
||||||
}
|
|
||||||
|
|
||||||
return NSERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Start a fetch for an object required by a page, replacing an existing object.
|
|
||||||
*
|
|
||||||
* \param object Object to replace
|
|
||||||
* \param url URL of object to fetch (copied)
|
|
||||||
* \return true on success, false on memory exhaustion
|
|
||||||
*/
|
|
||||||
|
|
||||||
static bool html_replace_object(struct content_html_object *object, nsurl *url)
|
|
||||||
{
|
|
||||||
html_content *c;
|
|
||||||
hlcache_child_context child;
|
|
||||||
html_content *page;
|
|
||||||
nserror error;
|
|
||||||
|
|
||||||
assert(object != NULL);
|
|
||||||
|
|
||||||
c = (html_content *) object->parent;
|
|
||||||
|
|
||||||
child.charset = c->encoding;
|
|
||||||
child.quirks = c->base.quirks;
|
|
||||||
|
|
||||||
if (object->content != NULL) {
|
|
||||||
/* remove existing object */
|
|
||||||
if (content_get_status(object->content) != CONTENT_STATUS_DONE) {
|
|
||||||
c->base.active--;
|
|
||||||
LOG(("%d fetches active", c->base.active));
|
|
||||||
}
|
|
||||||
|
|
||||||
hlcache_handle_release(object->content);
|
|
||||||
object->content = NULL;
|
|
||||||
|
|
||||||
object->box->object = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* initialise fetch */
|
|
||||||
error = hlcache_handle_retrieve(url, HLCACHE_RETRIEVE_SNIFF_TYPE,
|
|
||||||
content_get_url(&c->base), NULL,
|
|
||||||
html_object_callback, object, &child,
|
|
||||||
object->permitted_types,
|
|
||||||
&object->content);
|
|
||||||
|
|
||||||
if (error != NSERROR_OK)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
for (page = c; page != NULL; page = page->page) {
|
|
||||||
page->base.active++;
|
|
||||||
LOG(("%d fetches active", c->base.active));
|
|
||||||
|
|
||||||
page->base.status = CONTENT_STATUS_READY;
|
|
||||||
}
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* schedule() callback for object refresh
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void html_object_refresh(void *p)
|
|
||||||
{
|
|
||||||
struct content_html_object *object = p;
|
|
||||||
nsurl *refresh_url;
|
|
||||||
|
|
||||||
assert(content_get_type(object->content) == CONTENT_HTML);
|
|
||||||
|
|
||||||
refresh_url = content_get_refresh_url(object->content);
|
|
||||||
|
|
||||||
/* Ignore if refresh URL has gone
|
|
||||||
* (may happen if fetch errored) */
|
|
||||||
if (refresh_url == NULL)
|
|
||||||
return;
|
|
||||||
|
|
||||||
content_invalidate_reuse_data(object->content);
|
|
||||||
|
|
||||||
if (!html_replace_object(object, refresh_url)) {
|
|
||||||
/** \todo handle memory exhaustion */
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -1707,74 +1286,6 @@ html_begin_conversion(html_content *htmlc)
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Start a fetch for an object required by a page.
|
|
||||||
*
|
|
||||||
* \param c content of type CONTENT_HTML
|
|
||||||
* \param url URL of object to fetch (copied)
|
|
||||||
* \param box box that will contain the object
|
|
||||||
* \param permitted_types bitmap of acceptable types
|
|
||||||
* \param available_width estimate of width of object
|
|
||||||
* \param available_height estimate of height of object
|
|
||||||
* \param background this is a background image
|
|
||||||
* \return true on success, false on memory exhaustion
|
|
||||||
*/
|
|
||||||
|
|
||||||
bool html_fetch_object(html_content *c, nsurl *url, struct box *box,
|
|
||||||
content_type permitted_types,
|
|
||||||
int available_width, int available_height,
|
|
||||||
bool background)
|
|
||||||
{
|
|
||||||
struct content_html_object *object;
|
|
||||||
hlcache_child_context child;
|
|
||||||
nserror error;
|
|
||||||
|
|
||||||
/* If we've already been aborted, don't bother attempting the fetch */
|
|
||||||
if (c->aborted)
|
|
||||||
return true;
|
|
||||||
|
|
||||||
child.charset = c->encoding;
|
|
||||||
child.quirks = c->base.quirks;
|
|
||||||
|
|
||||||
object = calloc(1, sizeof(struct content_html_object));
|
|
||||||
if (object == NULL) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
object->parent = (struct content *) c;
|
|
||||||
object->next = NULL;
|
|
||||||
object->content = NULL;
|
|
||||||
object->box = box;
|
|
||||||
object->permitted_types = permitted_types;
|
|
||||||
object->background = background;
|
|
||||||
|
|
||||||
error = hlcache_handle_retrieve(url,
|
|
||||||
HLCACHE_RETRIEVE_SNIFF_TYPE,
|
|
||||||
content_get_url(&c->base), NULL,
|
|
||||||
html_object_callback, object, &child,
|
|
||||||
object->permitted_types, &object->content);
|
|
||||||
if (error != NSERROR_OK) {
|
|
||||||
free(object);
|
|
||||||
return error != NSERROR_NOMEM;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* add to content object list */
|
|
||||||
object->next = c->object_list;
|
|
||||||
c->object_list = object;
|
|
||||||
|
|
||||||
c->num_objects++;
|
|
||||||
c->base.active++;
|
|
||||||
LOG(("%d fetches active", c->base.active));
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Stop loading a CONTENT_HTML.
|
* Stop loading a CONTENT_HTML.
|
||||||
*/
|
*/
|
||||||
@ -1782,7 +1293,6 @@ bool html_fetch_object(html_content *c, nsurl *url, struct box *box,
|
|||||||
static void html_stop(struct content *c)
|
static void html_stop(struct content *c)
|
||||||
{
|
{
|
||||||
html_content *htmlc = (html_content *) c;
|
html_content *htmlc = (html_content *) c;
|
||||||
struct content_html_object *object;
|
|
||||||
|
|
||||||
switch (c->status) {
|
switch (c->status) {
|
||||||
case CONTENT_STATUS_LOADING:
|
case CONTENT_STATUS_LOADING:
|
||||||
@ -1790,31 +1300,9 @@ static void html_stop(struct content *c)
|
|||||||
* html_convert/html_finish_conversion will do the rest */
|
* html_convert/html_finish_conversion will do the rest */
|
||||||
htmlc->aborted = true;
|
htmlc->aborted = true;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CONTENT_STATUS_READY:
|
case CONTENT_STATUS_READY:
|
||||||
for (object = htmlc->object_list; object != NULL;
|
html_object_abort_objects(htmlc);
|
||||||
object = object->next) {
|
|
||||||
if (object->content == NULL)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (content_get_status(object->content) ==
|
|
||||||
CONTENT_STATUS_DONE)
|
|
||||||
; /* already loaded: do nothing */
|
|
||||||
else if (content_get_status(object->content) ==
|
|
||||||
CONTENT_STATUS_READY)
|
|
||||||
hlcache_handle_abort(object->content);
|
|
||||||
/* Active count will be updated when
|
|
||||||
* html_object_callback receives
|
|
||||||
* CONTENT_MSG_DONE from this object */
|
|
||||||
else {
|
|
||||||
hlcache_handle_abort(object->content);
|
|
||||||
hlcache_handle_release(object->content);
|
|
||||||
object->content = NULL;
|
|
||||||
|
|
||||||
c->active--;
|
|
||||||
LOG(("%d fetches active", c->active));
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* If there are no further active fetches and we're still
|
/* If there are no further active fetches and we're still
|
||||||
* in the READY state, transition to the DONE state. */
|
* in the READY state, transition to the DONE state. */
|
||||||
@ -1824,9 +1312,11 @@ static void html_stop(struct content *c)
|
|||||||
}
|
}
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CONTENT_STATUS_DONE:
|
case CONTENT_STATUS_DONE:
|
||||||
/* Nothing to do */
|
/* Nothing to do */
|
||||||
break;
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
LOG(("Unexpected status %d", c->status));
|
LOG(("Unexpected status %d", c->status));
|
||||||
assert(0);
|
assert(0);
|
||||||
@ -2038,7 +1528,7 @@ static void html_destroy(struct content *c)
|
|||||||
html_free_scripts(html);
|
html_free_scripts(html);
|
||||||
|
|
||||||
/* Free objects */
|
/* Free objects */
|
||||||
html_destroy_objects(html);
|
html_object_free_objects(html);
|
||||||
|
|
||||||
/* free layout */
|
/* free layout */
|
||||||
html_free_layout(html);
|
html_free_layout(html);
|
||||||
@ -2078,7 +1568,6 @@ html_open(struct content *c,
|
|||||||
struct object_params *params)
|
struct object_params *params)
|
||||||
{
|
{
|
||||||
html_content *html = (html_content *) c;
|
html_content *html = (html_content *) c;
|
||||||
struct content_html_object *object, *next;
|
|
||||||
|
|
||||||
html->bw = bw;
|
html->bw = bw;
|
||||||
html->page = (html_content *) page;
|
html->page = (html_content *) page;
|
||||||
@ -2091,19 +1580,7 @@ html_open(struct content *c,
|
|||||||
html->selection_type = HTML_SELECTION_NONE;
|
html->selection_type = HTML_SELECTION_NONE;
|
||||||
html->selection_owner.none = true;
|
html->selection_owner.none = true;
|
||||||
|
|
||||||
for (object = html->object_list; object != NULL; object = next) {
|
html_object_open_objects(html, bw);
|
||||||
next = object->next;
|
|
||||||
|
|
||||||
if (object->content == NULL)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (content_get_type(object->content) == CONTENT_NONE)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
content_open(object->content,
|
|
||||||
bw, c,
|
|
||||||
object->box->object_params);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
@ -2114,7 +1591,6 @@ html_open(struct content *c,
|
|||||||
static void html_close(struct content *c)
|
static void html_close(struct content *c)
|
||||||
{
|
{
|
||||||
html_content *html = (html_content *) c;
|
html_content *html = (html_content *) c;
|
||||||
struct content_html_object *object, *next;
|
|
||||||
|
|
||||||
selection_clear(&html->sel, false);
|
selection_clear(&html->sel, false);
|
||||||
|
|
||||||
@ -2123,20 +1599,7 @@ static void html_close(struct content *c)
|
|||||||
|
|
||||||
html->bw = NULL;
|
html->bw = NULL;
|
||||||
|
|
||||||
for (object = html->object_list; object != NULL; object = next) {
|
html_object_close_objects(html);
|
||||||
next = object->next;
|
|
||||||
|
|
||||||
if (object->content == NULL)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (content_get_type(object->content) == CONTENT_NONE)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (content_get_type(object->content) == CONTENT_HTML)
|
|
||||||
schedule_remove(html_object_refresh, object);
|
|
||||||
|
|
||||||
content_close(object->content);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
@ -2728,24 +2191,6 @@ const char *html_get_base_target(hlcache_handle *h)
|
|||||||
return c->base_target;
|
return c->base_target;
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Retrieve objects used by HTML document
|
|
||||||
*
|
|
||||||
* \param h Content to retrieve objects from
|
|
||||||
* \param n Pointer to location to receive number of objects
|
|
||||||
* \return Pointer to list of objects
|
|
||||||
*/
|
|
||||||
struct content_html_object *html_get_objects(hlcache_handle *h, unsigned int *n)
|
|
||||||
{
|
|
||||||
html_content *c = (html_content *) hlcache_handle_get_content(h);
|
|
||||||
|
|
||||||
assert(c != NULL);
|
|
||||||
assert(n != NULL);
|
|
||||||
|
|
||||||
*n = c->num_objects;
|
|
||||||
|
|
||||||
return c->object_list;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Retrieve layout coordinates of box with given id
|
* Retrieve layout coordinates of box with given id
|
||||||
|
|||||||
@ -165,10 +165,6 @@ typedef struct html_content {
|
|||||||
} html_content;
|
} html_content;
|
||||||
|
|
||||||
|
|
||||||
bool html_fetch_object(html_content *c, nsurl *url, struct box *box,
|
|
||||||
content_type permitted_types,
|
|
||||||
int available_width, int available_height,
|
|
||||||
bool background);
|
|
||||||
|
|
||||||
void html_set_status(html_content *c, const char *extra);
|
void html_set_status(html_content *c, const char *extra);
|
||||||
|
|
||||||
@ -274,6 +270,30 @@ bool html_css_update_style(html_content *c, dom_node *style);
|
|||||||
|
|
||||||
nserror html_css_new_selection_context(html_content *c, css_select_ctx **ret_select_ctx);
|
nserror html_css_new_selection_context(html_content *c, css_select_ctx **ret_select_ctx);
|
||||||
|
|
||||||
|
/* in render/html_object.c */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Start a fetch for an object required by a page.
|
||||||
|
*
|
||||||
|
* \param c content of type CONTENT_HTML
|
||||||
|
* \param url URL of object to fetch (copied)
|
||||||
|
* \param box box that will contain the object
|
||||||
|
* \param permitted_types bitmap of acceptable types
|
||||||
|
* \param available_width estimate of width of object
|
||||||
|
* \param available_height estimate of height of object
|
||||||
|
* \param background this is a background image
|
||||||
|
* \return true on success, false on memory exhaustion
|
||||||
|
*/
|
||||||
|
bool html_fetch_object(html_content *c, nsurl *url, struct box *box,
|
||||||
|
content_type permitted_types,
|
||||||
|
int available_width, int available_height,
|
||||||
|
bool background);
|
||||||
|
|
||||||
|
nserror html_object_free_objects(html_content *html);
|
||||||
|
nserror html_object_close_objects(html_content *html);
|
||||||
|
nserror html_object_open_objects(html_content *html, struct browser_window *bw);
|
||||||
|
nserror html_object_abort_objects(html_content *html);
|
||||||
|
|
||||||
/* Useful dom_string pointers */
|
/* Useful dom_string pointers */
|
||||||
struct dom_string;
|
struct dom_string;
|
||||||
|
|
||||||
|
|||||||
616
render/html_object.c
Normal file
616
render/html_object.c
Normal file
@ -0,0 +1,616 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2013 Vincent Sanders <vince@netsurf-browser.org>
|
||||||
|
*
|
||||||
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
||||||
|
*
|
||||||
|
* NetSurf is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; version 2 of the License.
|
||||||
|
*
|
||||||
|
* NetSurf 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 General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/** \file
|
||||||
|
* Processing for html content object operations.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <assert.h>
|
||||||
|
#include <ctype.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <strings.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#include "content/hlcache.h"
|
||||||
|
#include "desktop/options.h"
|
||||||
|
#include "desktop/scrollbar.h"
|
||||||
|
#include "render/box.h"
|
||||||
|
#include "render/html_internal.h"
|
||||||
|
#include "utils/corestrings.h"
|
||||||
|
#include "utils/config.h"
|
||||||
|
#include "utils/log.h"
|
||||||
|
#include "utils/schedule.h"
|
||||||
|
|
||||||
|
/* break reference loop */
|
||||||
|
static void html_object_refresh(void *p);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Retrieve objects used by HTML document
|
||||||
|
*
|
||||||
|
* \param h Content to retrieve objects from
|
||||||
|
* \param n Pointer to location to receive number of objects
|
||||||
|
* \return Pointer to list of objects
|
||||||
|
*/
|
||||||
|
struct content_html_object *html_get_objects(hlcache_handle *h, unsigned int *n)
|
||||||
|
{
|
||||||
|
html_content *c = (html_content *) hlcache_handle_get_content(h);
|
||||||
|
|
||||||
|
assert(c != NULL);
|
||||||
|
assert(n != NULL);
|
||||||
|
|
||||||
|
*n = c->num_objects;
|
||||||
|
|
||||||
|
return c->object_list;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handle object fetching or loading failure.
|
||||||
|
*
|
||||||
|
* \param box box containing object which failed to load
|
||||||
|
* \param content document of type CONTENT_HTML
|
||||||
|
* \param background the object was the background image for the box
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void
|
||||||
|
html_object_failed(struct box *box, html_content *content, bool background)
|
||||||
|
{
|
||||||
|
/* Nothing to do */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Update a box whose content has completed rendering.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void
|
||||||
|
html_object_done(struct box *box,
|
||||||
|
hlcache_handle *object,
|
||||||
|
bool background)
|
||||||
|
{
|
||||||
|
struct box *b;
|
||||||
|
|
||||||
|
if (background) {
|
||||||
|
box->background = object;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
box->object = object;
|
||||||
|
|
||||||
|
if (!(box->flags & REPLACE_DIM)) {
|
||||||
|
/* invalidate parent min, max widths */
|
||||||
|
for (b = box; b; b = b->parent)
|
||||||
|
b->max_width = UNKNOWN_MAX_WIDTH;
|
||||||
|
|
||||||
|
/* delete any clones of this box */
|
||||||
|
while (box->next && (box->next->flags & CLONE)) {
|
||||||
|
/* box_free_box(box->next); */
|
||||||
|
box->next = box->next->next;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Callback for hlcache_handle_retrieve() for objects.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static nserror
|
||||||
|
html_object_callback(hlcache_handle *object,
|
||||||
|
const hlcache_event *event,
|
||||||
|
void *pw)
|
||||||
|
{
|
||||||
|
struct content_html_object *o = pw;
|
||||||
|
html_content *c = (html_content *) o->parent;
|
||||||
|
int x, y;
|
||||||
|
struct box *box;
|
||||||
|
|
||||||
|
assert(c->base.status != CONTENT_STATUS_ERROR);
|
||||||
|
|
||||||
|
box = o->box;
|
||||||
|
|
||||||
|
switch (event->type) {
|
||||||
|
case CONTENT_MSG_LOADING:
|
||||||
|
if (c->base.status != CONTENT_STATUS_LOADING && c->bw != NULL)
|
||||||
|
content_open(object,
|
||||||
|
c->bw, &c->base,
|
||||||
|
box->object_params);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_READY:
|
||||||
|
if (content_can_reformat(object)) {
|
||||||
|
/* TODO: avoid knowledge of box internals here */
|
||||||
|
content_reformat(object, false,
|
||||||
|
box->max_width != UNKNOWN_MAX_WIDTH ?
|
||||||
|
box->width : 0,
|
||||||
|
box->max_width != UNKNOWN_MAX_WIDTH ?
|
||||||
|
box->height : 0);
|
||||||
|
|
||||||
|
/* Adjust parent content for new object size */
|
||||||
|
html_object_done(box, object, o->background);
|
||||||
|
if (c->base.status == CONTENT_STATUS_READY ||
|
||||||
|
c->base.status == CONTENT_STATUS_DONE)
|
||||||
|
content__reformat(&c->base, false,
|
||||||
|
c->base.available_width,
|
||||||
|
c->base.height);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_DONE:
|
||||||
|
c->base.active--;
|
||||||
|
LOG(("%d fetches active", c->base.active));
|
||||||
|
|
||||||
|
html_object_done(box, object, o->background);
|
||||||
|
|
||||||
|
if (c->base.status != CONTENT_STATUS_LOADING &&
|
||||||
|
box->flags & REPLACE_DIM) {
|
||||||
|
union content_msg_data data;
|
||||||
|
|
||||||
|
if (!box_visible(box))
|
||||||
|
break;
|
||||||
|
|
||||||
|
box_coords(box, &x, &y);
|
||||||
|
|
||||||
|
data.redraw.x = x + box->padding[LEFT];
|
||||||
|
data.redraw.y = y + box->padding[TOP];
|
||||||
|
data.redraw.width = box->width;
|
||||||
|
data.redraw.height = box->height;
|
||||||
|
data.redraw.full_redraw = true;
|
||||||
|
|
||||||
|
content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_ERROR:
|
||||||
|
hlcache_handle_release(object);
|
||||||
|
|
||||||
|
o->content = NULL;
|
||||||
|
|
||||||
|
c->base.active--;
|
||||||
|
LOG(("%d fetches active", c->base.active));
|
||||||
|
|
||||||
|
content_add_error(&c->base, "?", 0);
|
||||||
|
html_object_failed(box, c, o->background);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_STATUS:
|
||||||
|
if (event->data.explicit_status_text == NULL) {
|
||||||
|
/* Object content's status text updated */
|
||||||
|
union content_msg_data data;
|
||||||
|
data.explicit_status_text =
|
||||||
|
content_get_status_message(object);
|
||||||
|
html_set_status(c, data.explicit_status_text);
|
||||||
|
content_broadcast(&c->base, CONTENT_MSG_STATUS, data);
|
||||||
|
} else {
|
||||||
|
/* Object content wants to set explicit message */
|
||||||
|
content_broadcast(&c->base, CONTENT_MSG_STATUS,
|
||||||
|
event->data);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_REFORMAT:
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_REDRAW:
|
||||||
|
if (c->base.status != CONTENT_STATUS_LOADING) {
|
||||||
|
union content_msg_data data = event->data;
|
||||||
|
|
||||||
|
if (!box_visible(box))
|
||||||
|
break;
|
||||||
|
|
||||||
|
box_coords(box, &x, &y);
|
||||||
|
|
||||||
|
if (hlcache_handle_get_content(object) ==
|
||||||
|
event->data.redraw.object) {
|
||||||
|
data.redraw.x = data.redraw.x *
|
||||||
|
box->width / content_get_width(object);
|
||||||
|
data.redraw.y = data.redraw.y *
|
||||||
|
box->height /
|
||||||
|
content_get_height(object);
|
||||||
|
data.redraw.width = data.redraw.width *
|
||||||
|
box->width / content_get_width(object);
|
||||||
|
data.redraw.height = data.redraw.height *
|
||||||
|
box->height /
|
||||||
|
content_get_height(object);
|
||||||
|
data.redraw.object_width = box->width;
|
||||||
|
data.redraw.object_height = box->height;
|
||||||
|
}
|
||||||
|
|
||||||
|
data.redraw.x += x + box->padding[LEFT];
|
||||||
|
data.redraw.y += y + box->padding[TOP];
|
||||||
|
data.redraw.object_x += x + box->padding[LEFT];
|
||||||
|
data.redraw.object_y += y + box->padding[TOP];
|
||||||
|
|
||||||
|
content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_REFRESH:
|
||||||
|
if (content_get_type(object) == CONTENT_HTML) {
|
||||||
|
/* only for HTML objects */
|
||||||
|
schedule(event->data.delay * 100,
|
||||||
|
html_object_refresh, o);
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_LINK:
|
||||||
|
/* Don't care about favicons that aren't on top level content */
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_GETCTX:
|
||||||
|
*(event->data.jscontext) = NULL;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_SCROLL:
|
||||||
|
if (box->scroll_x != NULL)
|
||||||
|
scrollbar_set(box->scroll_x, event->data.scroll.x0,
|
||||||
|
false);
|
||||||
|
if (box->scroll_y != NULL)
|
||||||
|
scrollbar_set(box->scroll_y, event->data.scroll.y0,
|
||||||
|
false);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_DRAGSAVE:
|
||||||
|
{
|
||||||
|
union content_msg_data msg_data;
|
||||||
|
if (event->data.dragsave.content == NULL)
|
||||||
|
msg_data.dragsave.content = object;
|
||||||
|
else
|
||||||
|
msg_data.dragsave.content =
|
||||||
|
event->data.dragsave.content;
|
||||||
|
|
||||||
|
content_broadcast(&c->base, CONTENT_MSG_DRAGSAVE, msg_data);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_SAVELINK:
|
||||||
|
case CONTENT_MSG_POINTER:
|
||||||
|
/* These messages are for browser window layer.
|
||||||
|
* we're not interested, so pass them on. */
|
||||||
|
content_broadcast(&c->base, event->type, event->data);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_CARET:
|
||||||
|
{
|
||||||
|
union html_focus_owner focus_owner;
|
||||||
|
focus_owner.content = box;
|
||||||
|
|
||||||
|
switch (event->data.caret.type) {
|
||||||
|
case CONTENT_CARET_REMOVE:
|
||||||
|
case CONTENT_CARET_HIDE:
|
||||||
|
html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
|
||||||
|
true, 0, 0, 0, NULL);
|
||||||
|
break;
|
||||||
|
case CONTENT_CARET_SET_POS:
|
||||||
|
html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
|
||||||
|
false, event->data.caret.pos.x,
|
||||||
|
event->data.caret.pos.y,
|
||||||
|
event->data.caret.pos.height,
|
||||||
|
event->data.caret.pos.clip);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_DRAG:
|
||||||
|
{
|
||||||
|
html_drag_type drag_type = HTML_DRAG_NONE;
|
||||||
|
union html_drag_owner drag_owner;
|
||||||
|
drag_owner.content = box;
|
||||||
|
|
||||||
|
switch (event->data.drag.type) {
|
||||||
|
case CONTENT_DRAG_NONE:
|
||||||
|
drag_type = HTML_DRAG_NONE;
|
||||||
|
drag_owner.no_owner = true;
|
||||||
|
break;
|
||||||
|
case CONTENT_DRAG_SCROLL:
|
||||||
|
drag_type = HTML_DRAG_CONTENT_SCROLL;
|
||||||
|
break;
|
||||||
|
case CONTENT_DRAG_SELECTION:
|
||||||
|
drag_type = HTML_DRAG_CONTENT_SELECTION;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
html_set_drag_type(c, drag_type, drag_owner,
|
||||||
|
event->data.drag.rect);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_MSG_SELECTION:
|
||||||
|
{
|
||||||
|
html_selection_type sel_type;
|
||||||
|
union html_selection_owner sel_owner;
|
||||||
|
|
||||||
|
if (event->data.selection.selection) {
|
||||||
|
sel_type = HTML_SELECTION_CONTENT;
|
||||||
|
sel_owner.content = box;
|
||||||
|
} else {
|
||||||
|
sel_type = HTML_SELECTION_NONE;
|
||||||
|
sel_owner.none = true;
|
||||||
|
}
|
||||||
|
html_set_selection(c, sel_type, sel_owner,
|
||||||
|
event->data.selection.read_only);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
assert(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (c->base.status == CONTENT_STATUS_READY && c->base.active == 0 &&
|
||||||
|
(event->type == CONTENT_MSG_LOADING ||
|
||||||
|
event->type == CONTENT_MSG_DONE ||
|
||||||
|
event->type == CONTENT_MSG_ERROR)) {
|
||||||
|
/* all objects have arrived */
|
||||||
|
content__reformat(&c->base, false, c->base.available_width,
|
||||||
|
c->base.height);
|
||||||
|
html_set_status(c, "");
|
||||||
|
content_set_done(&c->base);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If 1) the configuration option to reflow pages while objects are
|
||||||
|
* fetched is set
|
||||||
|
* 2) an object is newly fetched & converted,
|
||||||
|
* 3) the box's dimensions need to change due to being replaced
|
||||||
|
* 4) the object's parent HTML is ready for reformat,
|
||||||
|
* 5) the time since the previous reformat is more than the
|
||||||
|
* configured minimum time between reformats
|
||||||
|
* then reformat the page to display newly fetched objects */
|
||||||
|
else if (nsoption_bool(incremental_reflow) &&
|
||||||
|
event->type == CONTENT_MSG_DONE &&
|
||||||
|
!(box->flags & REPLACE_DIM) &&
|
||||||
|
(c->base.status == CONTENT_STATUS_READY ||
|
||||||
|
c->base.status == CONTENT_STATUS_DONE) &&
|
||||||
|
(wallclock() > c->base.reformat_time)) {
|
||||||
|
content__reformat(&c->base, false, c->base.available_width,
|
||||||
|
c->base.height);
|
||||||
|
}
|
||||||
|
|
||||||
|
return NSERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Start a fetch for an object required by a page, replacing an existing object.
|
||||||
|
*
|
||||||
|
* \param object Object to replace
|
||||||
|
* \param url URL of object to fetch (copied)
|
||||||
|
* \return true on success, false on memory exhaustion
|
||||||
|
*/
|
||||||
|
|
||||||
|
static bool html_replace_object(struct content_html_object *object, nsurl *url)
|
||||||
|
{
|
||||||
|
html_content *c;
|
||||||
|
hlcache_child_context child;
|
||||||
|
html_content *page;
|
||||||
|
nserror error;
|
||||||
|
|
||||||
|
assert(object != NULL);
|
||||||
|
|
||||||
|
c = (html_content *) object->parent;
|
||||||
|
|
||||||
|
child.charset = c->encoding;
|
||||||
|
child.quirks = c->base.quirks;
|
||||||
|
|
||||||
|
if (object->content != NULL) {
|
||||||
|
/* remove existing object */
|
||||||
|
if (content_get_status(object->content) != CONTENT_STATUS_DONE) {
|
||||||
|
c->base.active--;
|
||||||
|
LOG(("%d fetches active", c->base.active));
|
||||||
|
}
|
||||||
|
|
||||||
|
hlcache_handle_release(object->content);
|
||||||
|
object->content = NULL;
|
||||||
|
|
||||||
|
object->box->object = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* initialise fetch */
|
||||||
|
error = hlcache_handle_retrieve(url, HLCACHE_RETRIEVE_SNIFF_TYPE,
|
||||||
|
content_get_url(&c->base), NULL,
|
||||||
|
html_object_callback, object, &child,
|
||||||
|
object->permitted_types,
|
||||||
|
&object->content);
|
||||||
|
|
||||||
|
if (error != NSERROR_OK)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
for (page = c; page != NULL; page = page->page) {
|
||||||
|
page->base.active++;
|
||||||
|
LOG(("%d fetches active", c->base.active));
|
||||||
|
|
||||||
|
page->base.status = CONTENT_STATUS_READY;
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* schedule() callback for object refresh
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void html_object_refresh(void *p)
|
||||||
|
{
|
||||||
|
struct content_html_object *object = p;
|
||||||
|
nsurl *refresh_url;
|
||||||
|
|
||||||
|
assert(content_get_type(object->content) == CONTENT_HTML);
|
||||||
|
|
||||||
|
refresh_url = content_get_refresh_url(object->content);
|
||||||
|
|
||||||
|
/* Ignore if refresh URL has gone
|
||||||
|
* (may happen if fetch errored) */
|
||||||
|
if (refresh_url == NULL)
|
||||||
|
return;
|
||||||
|
|
||||||
|
content_invalidate_reuse_data(object->content);
|
||||||
|
|
||||||
|
if (!html_replace_object(object, refresh_url)) {
|
||||||
|
/** \todo handle memory exhaustion */
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
nserror html_object_open_objects(html_content *html, struct browser_window *bw)
|
||||||
|
{
|
||||||
|
struct content_html_object *object, *next;
|
||||||
|
|
||||||
|
for (object = html->object_list; object != NULL; object = next) {
|
||||||
|
next = object->next;
|
||||||
|
|
||||||
|
if (object->content == NULL)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (content_get_type(object->content) == CONTENT_NONE)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
content_open(object->content,
|
||||||
|
bw,
|
||||||
|
&html->base,
|
||||||
|
object->box->object_params);
|
||||||
|
}
|
||||||
|
return NSERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
nserror html_object_abort_objects(html_content *htmlc)
|
||||||
|
{
|
||||||
|
struct content_html_object *object;
|
||||||
|
|
||||||
|
for (object = htmlc->object_list;
|
||||||
|
object != NULL;
|
||||||
|
object = object->next) {
|
||||||
|
if (object->content == NULL)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
switch (content_get_status(object->content)) {
|
||||||
|
case CONTENT_STATUS_DONE:
|
||||||
|
/* already loaded: do nothing */
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CONTENT_STATUS_READY:
|
||||||
|
hlcache_handle_abort(object->content);
|
||||||
|
/* Active count will be updated when
|
||||||
|
* html_object_callback receives
|
||||||
|
* CONTENT_MSG_DONE from this object
|
||||||
|
*/
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
hlcache_handle_abort(object->content);
|
||||||
|
hlcache_handle_release(object->content);
|
||||||
|
object->content = NULL;
|
||||||
|
|
||||||
|
htmlc->base.active--;
|
||||||
|
LOG(("%d fetches active", htmlc->base.active));
|
||||||
|
break;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return NSERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
nserror html_object_close_objects(html_content *html)
|
||||||
|
{
|
||||||
|
struct content_html_object *object, *next;
|
||||||
|
|
||||||
|
for (object = html->object_list; object != NULL; object = next) {
|
||||||
|
next = object->next;
|
||||||
|
|
||||||
|
if (object->content == NULL)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (content_get_type(object->content) == CONTENT_NONE)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (content_get_type(object->content) == CONTENT_HTML)
|
||||||
|
schedule_remove(html_object_refresh, object);
|
||||||
|
|
||||||
|
content_close(object->content);
|
||||||
|
}
|
||||||
|
return NSERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
nserror html_object_free_objects(html_content *html)
|
||||||
|
{
|
||||||
|
while (html->object_list != NULL) {
|
||||||
|
struct content_html_object *victim = html->object_list;
|
||||||
|
|
||||||
|
if (victim->content != NULL) {
|
||||||
|
LOG(("object %p", victim->content));
|
||||||
|
|
||||||
|
if (content_get_type(victim->content) == CONTENT_HTML)
|
||||||
|
schedule_remove(html_object_refresh, victim);
|
||||||
|
|
||||||
|
hlcache_handle_release(victim->content);
|
||||||
|
}
|
||||||
|
|
||||||
|
html->object_list = victim->next;
|
||||||
|
free(victim);
|
||||||
|
}
|
||||||
|
return NSERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/* exported interface documented in render/html_internal.h */
|
||||||
|
bool html_fetch_object(html_content *c, nsurl *url, struct box *box,
|
||||||
|
content_type permitted_types,
|
||||||
|
int available_width, int available_height,
|
||||||
|
bool background)
|
||||||
|
{
|
||||||
|
struct content_html_object *object;
|
||||||
|
hlcache_child_context child;
|
||||||
|
nserror error;
|
||||||
|
|
||||||
|
/* If we've already been aborted, don't bother attempting the fetch */
|
||||||
|
if (c->aborted)
|
||||||
|
return true;
|
||||||
|
|
||||||
|
child.charset = c->encoding;
|
||||||
|
child.quirks = c->base.quirks;
|
||||||
|
|
||||||
|
object = calloc(1, sizeof(struct content_html_object));
|
||||||
|
if (object == NULL) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
object->parent = (struct content *) c;
|
||||||
|
object->next = NULL;
|
||||||
|
object->content = NULL;
|
||||||
|
object->box = box;
|
||||||
|
object->permitted_types = permitted_types;
|
||||||
|
object->background = background;
|
||||||
|
|
||||||
|
error = hlcache_handle_retrieve(url,
|
||||||
|
HLCACHE_RETRIEVE_SNIFF_TYPE,
|
||||||
|
content_get_url(&c->base), NULL,
|
||||||
|
html_object_callback, object, &child,
|
||||||
|
object->permitted_types, &object->content);
|
||||||
|
if (error != NSERROR_OK) {
|
||||||
|
free(object);
|
||||||
|
return error != NSERROR_NOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* add to content object list */
|
||||||
|
object->next = c->object_list;
|
||||||
|
c->object_list = object;
|
||||||
|
|
||||||
|
c->num_objects++;
|
||||||
|
c->base.active++;
|
||||||
|
LOG(("%d fetches active", c->base.active));
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user