mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-22 22:41:30 +03:00
cleanup browser window message handling
separate out ready and done message processing to make the code more readable. remove checking of content status as content_close() handles that itself.
This commit is contained in:
Vincent Sanders
parent
c2fa6af0ff
commit
cfdaf181a2
@ -130,7 +130,7 @@ browser_window_get_name(struct browser_window *bw, const char **out_name)
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/* exported interface, documented in browser.h */
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nserror
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nserror
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browser_window_set_name(struct browser_window *bw, const char *name)
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{
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char *nname = NULL;
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@ -143,7 +143,7 @@ browser_window_set_name(struct browser_window *bw, const char *name)
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return NSERROR_NOMEM;
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}
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}
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if (bw->name != NULL) {
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free(bw->name);
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}
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@ -1076,13 +1076,7 @@ browser_window_favicon_callback(hlcache_handle *c,
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switch (event->type) {
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case CONTENT_MSG_DONE:
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if (bw->favicon.current != NULL) {
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content_status status =
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content_get_status(bw->favicon.current);
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if ((status == CONTENT_STATUS_READY) ||
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(status == CONTENT_STATUS_DONE))
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content_close(bw->favicon.current);
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content_close(bw->favicon.current);
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hlcache_handle_release(bw->favicon.current);
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}
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@ -1344,6 +1338,143 @@ static void browser_window_convert_to_download(struct browser_window *bw,
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browser_window_stop_throbber(bw);
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}
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/**
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* handle message for content ready on browser window
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*/
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static nserror
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browser_window_content_ready(struct browser_window *bw)
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{
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int width, height;
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nserror res = NSERROR_OK;
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/* close and release the current window content */
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if (bw->current_content != NULL) {
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content_close(bw->current_content);
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hlcache_handle_release(bw->current_content);
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}
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bw->current_content = bw->loading_content;
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bw->loading_content = NULL;
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/* Format the new content to the correct dimensions */
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browser_window_get_dimensions(bw, &width, &height, true);
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content_reformat(bw->current_content, false, width, height);
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/* history */
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if (bw->history_add && bw->history) {
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nsurl *url = hlcache_handle_get_url(bw->current_content);
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if (urldb_add_url(url)) {
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urldb_set_url_title(url, content_get_title(bw->current_content));
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urldb_update_url_visit_data(url);
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urldb_set_url_content_type(url,
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content_get_type(bw->current_content));
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/* This is safe as we've just added the URL */
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global_history_add(urldb_get_url(url));
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}
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/**
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* \todo Urldb / Thumbnails / Local history brokenness
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*
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* We add to local history after calling urldb_add_url rather
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* than in the block above. If urldb_add_url fails (as it
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* will for urls like "about:about", "about:config" etc),
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* there would be no local history node, and later calls to
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* history_update will either explode or overwrite the node
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* for the previous URL.
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*
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* We call it after, rather than before urldb_add_url because
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* history_add calls bitmap render, which tries to register
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* the thumbnail with urldb. That thumbnail registration
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* fails if the url doesn't exist in urldb already, and only
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* urldb-registered thumbnails get freed. So if we called
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* history_add before urldb_add_url we would leak thumbnails
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* for all newly visited URLs. With the history_add call
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* after, we only leak the thumbnails when urldb does not add
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* the URL.
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*
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* Also, since browser_window_history_add can create a
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* thumbnail (content_redraw), we need to do it after
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* content_reformat.
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*/
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browser_window_history_add(bw, bw->current_content, bw->frag_id);
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}
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browser_window_remove_caret(bw, false);
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if (bw->window != NULL) {
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guit->window->new_content(bw->window);
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browser_window_refresh_url_bar(bw);
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}
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/* new content; set scroll_to_top */
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browser_window_update(bw, true);
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content_open(bw->current_content, bw, 0, 0);
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browser_window_set_status(bw, content_get_status_message(bw->current_content));
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/* frames */
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if ((content_get_type(bw->current_content) == CONTENT_HTML) &&
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(html_get_frameset(bw->current_content) != NULL)) {
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res = browser_window_create_frameset(bw, html_get_frameset(bw->current_content));
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}
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if (content_get_type(bw->current_content) == CONTENT_HTML &&
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html_get_iframe(bw->current_content) != NULL) {
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browser_window_create_iframes(bw, html_get_iframe(bw->current_content));
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}
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return res;
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}
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/**
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* handle message for content done on browser window
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*/
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static nserror
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browser_window_content_done(struct browser_window *bw)
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{
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float sx, sy;
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struct rect rect;
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int scrollx;
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int scrolly;
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if (bw->window == NULL) {
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/* Updated browser window's scrollbars. */
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/**
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* \todo update browser window scrollbars before CONTENT_MSG_DONE
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*/
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browser_window_reformat(bw, true, bw->width, bw->height);
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browser_window_handle_scrollbars(bw);
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}
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browser_window_update(bw, false);
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browser_window_set_status(bw, content_get_status_message(bw->current_content));
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browser_window_stop_throbber(bw);
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browser_window_update_favicon(bw->current_content, bw, NULL);
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if (browser_window_history_get_scroll(bw, &sx, &sy) == NSERROR_OK) {
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scrollx = (int)((float)content_get_width(bw->current_content) * sx);
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scrolly = (int)((float)content_get_height(bw->current_content) * sy);
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rect.x0 = rect.x1 = scrollx;
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rect.y0 = rect.y1 = scrolly;
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if (browser_window_set_scroll(bw, &rect) != NSERROR_OK) {
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NSLOG(netsurf, WARNING,
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"Unable to set browser scroll offsets to %d by %d",
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scrollx, scrolly);
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}
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}
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browser_window_history_update(bw, bw->current_content);
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hotlist_update_url(hlcache_handle_get_url(bw->current_content));
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if (bw->refresh_interval != -1) {
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guit->misc->schedule(bw->refresh_interval * 10,
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browser_window_refresh, bw);
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}
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return NSERROR_OK;
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}
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/**
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* Browser window content event callback handler.
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@ -1355,7 +1486,6 @@ browser_window_callback(hlcache_handle *c,
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{
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struct browser_window *bw = pw;
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nserror res = NSERROR_OK;
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float sx, sy;
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switch (event->type) {
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case CONTENT_MSG_LOG:
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@ -1393,130 +1523,15 @@ browser_window_callback(hlcache_handle *c,
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break;
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case CONTENT_MSG_READY:
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{
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int width, height;
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assert(bw->loading_content == c);
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if (bw->current_content != NULL) {
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content_status status =
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content_get_status(bw->current_content);
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if (status == CONTENT_STATUS_READY ||
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status == CONTENT_STATUS_DONE)
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content_close(bw->current_content);
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hlcache_handle_release(bw->current_content);
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}
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bw->current_content = c;
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bw->loading_content = NULL;
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/* Format the new content to the correct dimensions */
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browser_window_get_dimensions(bw, &width, &height, true);
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content_reformat(c, false, width, height);
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/* history */
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if (bw->history_add && bw->history) {
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nsurl *url = hlcache_handle_get_url(c);
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if (urldb_add_url(url)) {
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urldb_set_url_title(url, content_get_title(c));
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urldb_update_url_visit_data(url);
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urldb_set_url_content_type(url,
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content_get_type(c));
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/* This is safe as we've just added the URL */
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global_history_add(urldb_get_url(url));
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}
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/** \todo Urldb / Thumbnails / Local history brokenness
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*
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* We add to local history after calling urldb_add_url
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* rather than in the block above. If urldb_add_url
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* fails (as it will for urls like "about:about",
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* "about:config" etc), there would be no local history
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* node, and later calls to history_update will either
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* explode or overwrite the node for the previous URL.
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*
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* We call it after, rather than before urldb_add_url
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* because history_add calls bitmap render, which
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* tries to register the thumbnail with urldb. That
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* thumbnail registration fails if the url doesn't
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* exist in urldb already, and only urldb-registered
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* thumbnails get freed. So if we called history_add
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* before urldb_add_url we would leak thumbnails for
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* all newly visited URLs. With the history_add call
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* after, we only leak the thumbnails when urldb does
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* not add the URL.
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*
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* Also, since browser_window_history_add can create
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* a thumbnail (content_redraw), we need to do it after
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* content_reformat.
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*/
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browser_window_history_add(bw, c, bw->frag_id);
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}
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browser_window_remove_caret(bw, false);
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if (bw->window != NULL) {
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guit->window->new_content(bw->window);
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browser_window_refresh_url_bar(bw);
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}
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/* new content; set scroll_to_top */
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browser_window_update(bw, true);
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content_open(c, bw, 0, 0);
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browser_window_set_status(bw, content_get_status_message(c));
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/* frames */
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if ((content_get_type(c) == CONTENT_HTML) &&
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(html_get_frameset(c) != NULL)) {
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res = browser_window_create_frameset(bw,
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html_get_frameset(c));
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}
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if (content_get_type(c) == CONTENT_HTML &&
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html_get_iframe(c) != NULL)
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browser_window_create_iframes(bw, html_get_iframe(c));
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}
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res = browser_window_content_ready(bw);
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break;
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case CONTENT_MSG_DONE:
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assert(bw->current_content == c);
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if (bw->window == NULL) {
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/* Updated browser window's scrollbars.
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* TODO: do this before CONTENT_MSG_DONE */
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browser_window_reformat(bw, true,
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bw->width, bw->height);
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browser_window_handle_scrollbars(bw);
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}
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browser_window_update(bw, false);
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browser_window_set_status(bw, content_get_status_message(c));
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browser_window_stop_throbber(bw);
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browser_window_update_favicon(c, bw, NULL);
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if (browser_window_history_get_scroll(bw, &sx, &sy) == NSERROR_OK) {
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int scrollx = (int)((float)content_get_width(bw->current_content) * sx);
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int scrolly = (int)((float)content_get_height(bw->current_content) * sy);
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struct rect rect;
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rect.x0 = rect.x1 = scrollx;
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rect.y0 = rect.y1 = scrolly;
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if (browser_window_set_scroll(bw, &rect) != NSERROR_OK) {
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NSLOG(netsurf, WARNING,
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"Unable to set browser scroll offsets to %d by %d",
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scrollx, scrolly);
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}
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}
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browser_window_history_update(bw, c);
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hotlist_update_url(hlcache_handle_get_url(c));
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if (bw->refresh_interval != -1) {
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guit->misc->schedule(bw->refresh_interval * 10,
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browser_window_refresh, bw);
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}
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res = browser_window_content_done(bw);
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break;
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case CONTENT_MSG_ERRORCODE:
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@ -1531,9 +1546,9 @@ browser_window_callback(hlcache_handle *c,
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guit->misc->warning(event->data.error, NULL);
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}
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if (c == bw->loading_content)
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if (c == bw->loading_content) {
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bw->loading_content = NULL;
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else if (c == bw->current_content) {
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} else if (c == bw->current_content) {
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bw->current_content = NULL;
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browser_window_remove_caret(bw, false);
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}
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@ -1908,11 +1923,7 @@ static void browser_window_destroy_internal(struct browser_window *bw)
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}
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if (bw->current_content != NULL) {
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content_status status = content_get_status(bw->current_content);
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if (status == CONTENT_STATUS_READY ||
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status == CONTENT_STATUS_DONE)
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content_close(bw->current_content);
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content_close(bw->current_content);
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hlcache_handle_release(bw->current_content);
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bw->current_content = NULL;
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}
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@ -1924,13 +1935,7 @@ static void browser_window_destroy_internal(struct browser_window *bw)
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}
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if (bw->favicon.current != NULL) {
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content_status status = content_get_status(bw->favicon.current);
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if (status == CONTENT_STATUS_READY ||
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status == CONTENT_STATUS_DONE) {
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content_close(bw->favicon.current);
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}
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content_close(bw->favicon.current);
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hlcache_handle_release(bw->favicon.current);
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bw->favicon.current = NULL;
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}
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@ -1965,7 +1970,7 @@ static void browser_window_destroy_internal(struct browser_window *bw)
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* \param bw Browser window to update URL bar for.
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* \param url URL for content displayed by bw including any fragment.
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*/
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static inline nserror
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static inline nserror
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browser_window_refresh_url_bar_internal(struct browser_window *bw, nsurl *url)
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{
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assert(bw);
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@ -2326,7 +2331,7 @@ const char* browser_window_get_title(struct browser_window *bw)
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}
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/* no content so return about:blank */
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return nsurl_access(corestring_nsurl_about_blank);
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return nsurl_access(corestring_nsurl_about_blank);
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}
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/* Exported interface, documented in browser.h */
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