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rationalise history icon bitmap handling to ensure correct lifetime

This commit is contained in:
Vincent Sanders 2017-09-10 16:05:41 +01:00
parent c20ad21273
commit 8fb2fc6fc3
7 changed files with 152 additions and 156 deletions
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47
content/urldb.c
View File

@ -202,7 +202,6 @@ struct path_data {
char **fragment; /**< Array of fragments */
bool persistent; /**< This entry should persist */
struct bitmap *thumb; /**< Thumbnail image of resource */
struct url_internal_data urld; /**< URL data for resource */
/**
@ -2702,10 +2701,6 @@ static void urldb_destroy_path_node_content(struct path_data *node)
free(node->fragment[i]);
free(node->fragment);
if (node->thumb) {
guit->bitmap->destroy(node->thumb);
}
free(node->urld.title);
for (a = node->cookies; a; a = b) {
@ -3465,48 +3460,6 @@ bool urldb_get_cert_permissions(nsurl *url)
}
/* exported interface documented in content/urldb.h */
bool urldb_set_thumbnail(nsurl *url, struct bitmap *bitmap)
{
struct path_data *p;
assert(url);
/* add url, in case it's missing */
urldb_add_url(url);
p = urldb_find_url(url);
if (p == NULL) {
return false;
}
NSLOG(netsurf, INFO, "Setting bitmap on %s", nsurl_access(url));
if ((p->thumb) && (p->thumb != bitmap)) {
guit->bitmap->destroy(p->thumb);
}
p->thumb = bitmap;
return true;
}
/* exported interface documented in netsurf/url_db.h */
struct bitmap *urldb_get_thumbnail(nsurl *url)
{
struct path_data *p;
assert(url);
p = urldb_find_url(url);
if (!p)
return NULL;
return p->thumb;
}
/* exported interface documented in netsurf/url_db.h */
void
urldb_iterate_partial(const char *prefix,

10
content/urldb.h
View File

@ -110,16 +110,6 @@ struct nsurl *urldb_get_url(struct nsurl *url);
bool urldb_get_cert_permissions(struct nsurl *url);
/**
* Set thumbnail for url, replacing any existing thumbnail
*
* \param url Absolute URL to consider
* \param bitmap Opaque pointer to thumbnail data, or NULL to invalidate
* \return true on successful setting else false
*/
bool urldb_set_thumbnail(struct nsurl *url, struct bitmap *bitmap);
/**
* Parse Set-Cookie header and insert cookie(s) into database
*

208
desktop/browser_history.c
View File

@ -50,7 +50,7 @@
* Clone a history entry
*
* \param history opaque history structure, as returned by history_create()
* \param entry entry to clone
* \param entry entry to clone
* \return A cloned history entry or NULL on error
*/
static struct history_entry *
@ -62,47 +62,85 @@ browser_window_history__clone_entry(struct history *history,
struct history_entry *prev = NULL;
struct history_entry *new_entry;
assert(entry);
assert(entry->page.url);
assert(entry->page.title);
/* clone the entry */
new_entry = malloc(sizeof *entry);
if (!new_entry)
new_entry = calloc(1, sizeof *entry);
if (!new_entry) {
return NULL;
}
memcpy(new_entry, entry, sizeof *entry);
new_entry->page.url = nsurl_ref(entry->page.url);
if (entry->page.frag_id)
new_entry->page.frag_id = lwc_string_ref(entry->page.frag_id);
/* copy page information */
new_entry->page.title = strdup(entry->page.title);
if (!new_entry->page.url || !new_entry->page.title ||
((entry->page.frag_id) && (!new_entry->page.frag_id))) {
nsurl_unref(new_entry->page.url);
if (new_entry->page.frag_id)
lwc_string_unref(new_entry->page.frag_id);
if (new_entry->page.title == NULL) {
free(new_entry);
return NULL;
}
new_entry->page.url = nsurl_ref(entry->page.url);
if (new_entry->page.url == NULL) {
free(new_entry->page.title);
free(new_entry);
return NULL;
}
/* update references */
if (history->current == entry)
history->current = new_entry;
/* recurse for all children */
for (child = new_entry->forward; child; child = child->next) {
new_child = browser_window_history__clone_entry(history, child);
if (new_child) {
new_child->back = new_entry;
} else {
if (entry->page.frag_id == NULL) {
new_entry->page.frag_id = NULL;
} else {
new_entry->page.frag_id = lwc_string_ref(entry->page.frag_id);
if (new_entry->page.frag_id == NULL) {
nsurl_unref(new_entry->page.url);
if (new_entry->page.frag_id)
lwc_string_unref(new_entry->page.frag_id);
free(new_entry->page.title);
free(new_entry);
return NULL;
}
}
if (entry->page.bitmap == NULL) {
new_entry->page.bitmap = NULL;
} else {
/* create a new bitmap and copy original into it */
unsigned char *bmsrc_data;
unsigned char *bmdst_data;
size_t bmsize;
new_entry->page.bitmap = guit->bitmap->create(WIDTH, HEIGHT,
BITMAP_NEW | BITMAP_OPAQUE);
if (new_entry->page.bitmap != NULL) {
bmsrc_data = guit->bitmap->get_buffer(entry->page.bitmap);
bmdst_data = guit->bitmap->get_buffer(new_entry->page.bitmap);
bmsize = guit->bitmap->get_rowstride(new_entry->page.bitmap) *
guit->bitmap->get_height(new_entry->page.bitmap);
memcpy(bmdst_data, bmsrc_data, bmsize);
}
}
/* copy tree values */
new_entry->back = entry->back;
new_entry->next = entry->next;
new_entry->forward = entry->forward;
new_entry->forward_pref = entry->forward_pref;
new_entry->forward_last = entry->forward_last;
/* recurse for all children */
for (child = new_entry->forward; child != NULL; child = child->next) {
new_child = browser_window_history__clone_entry(history, child);
if (new_child == NULL) {
nsurl_unref(new_entry->page.url);
if (new_entry->page.frag_id) {
lwc_string_unref(new_entry->page.frag_id);
}
free(new_entry->page.title);
if (entry->page.bitmap != NULL) {
guit->bitmap->destroy(entry->page.bitmap);
}
free(new_entry);
return NULL;
}
new_child->back = new_entry;
if (prev)
prev->next = new_child;
if (new_entry->forward == child)
@ -113,6 +151,12 @@ browser_window_history__clone_entry(struct history *history,
new_entry->forward_last = new_child;
prev = new_child;
}
/* update references */
if (history->current == entry) {
history->current = new_entry;
}
return new_entry;
}
@ -123,15 +167,20 @@ browser_window_history__clone_entry(struct history *history,
static void browser_window_history__free_entry(struct history_entry *entry)
{
if (!entry)
return;
browser_window_history__free_entry(entry->forward);
browser_window_history__free_entry(entry->next);
nsurl_unref(entry->page.url);
if (entry->page.frag_id)
lwc_string_unref(entry->page.frag_id);
free(entry->page.title);
free(entry);
if (entry != NULL) {
browser_window_history__free_entry(entry->forward);
browser_window_history__free_entry(entry->next);
nsurl_unref(entry->page.url);
if (entry->page.frag_id) {
lwc_string_unref(entry->page.frag_id);
}
free(entry->page.title);
if (entry->page.bitmap != NULL) {
guit->bitmap->destroy(entry->page.bitmap);
}
free(entry);
}
}
@ -297,14 +346,14 @@ nserror browser_window_history_clone(const struct browser_window *existing,
/* exported interface documented in desktop/browser_history.h */
nserror browser_window_history_add(struct browser_window *bw,
struct hlcache_handle *content, lwc_string *frag_id)
nserror
browser_window_history_add(struct browser_window *bw,
struct hlcache_handle *content,
lwc_string *frag_id)
{
struct history *history;
struct history_entry *entry;
nsurl *nsurl = hlcache_handle_get_url(content);
char *title;
struct bitmap *bitmap;
nserror ret;
assert(bw);
@ -313,26 +362,40 @@ nserror browser_window_history_add(struct browser_window *bw,
history = bw->history;
/* allocate space */
entry = malloc(sizeof *entry);
if (entry == NULL) {
return NSERROR_NOMEM;
}
/* page information */
title = strdup(content_get_title(content));
if (title == NULL) {
free(entry);
return NSERROR_NOMEM;
}
entry->page.url = nsurl_ref(nsurl);
entry->page.url = nsurl_ref(hlcache_handle_get_url(content));
entry->page.frag_id = frag_id ? lwc_string_ref(frag_id) : NULL;
entry->page.title = title;
entry->page.bitmap = NULL;
/* create thumbnail for localhistory view */
NSLOG(netsurf, DEBUG,
"Creating thumbnail for %s", nsurl_access(entry->page.url));
entry->page.bitmap = guit->bitmap->create(WIDTH, HEIGHT,
BITMAP_NEW | BITMAP_CLEAR_MEMORY | BITMAP_OPAQUE);
if (entry->page.bitmap != NULL) {
ret = guit->bitmap->render(entry->page.bitmap, content);
if (ret != NSERROR_OK) {
/* Thumbnail render failed */
NSLOG(netsurf, WARNING, "Thumbnail render failed");
}
}
/* insert into tree */
entry->back = history->current;
entry->next = 0;
entry->forward = entry->forward_pref = entry->forward_last = 0;
entry->next = NULL;
entry->forward = entry->forward_pref = entry->forward_last = NULL;
entry->children = 0;
if (history->current) {
@ -349,34 +412,6 @@ nserror browser_window_history_add(struct browser_window *bw,
}
history->current = entry;
/* if we have a thumbnail, don't update until the page has finished
* loading */
bitmap = urldb_get_thumbnail(nsurl);
if (bitmap == NULL) {
NSLOG(netsurf, INFO, "Creating thumbnail for %s",
nsurl_access(nsurl));
bitmap = guit->bitmap->create(WIDTH, HEIGHT,
BITMAP_NEW | BITMAP_CLEAR_MEMORY |
BITMAP_OPAQUE);
if (bitmap != NULL) {
ret = guit->bitmap->render(bitmap, content);
if (ret == NSERROR_OK) {
/* Successful thumbnail so register it
* with the url.
*/
urldb_set_thumbnail(nsurl, bitmap);
} else {
/* Thumbnailing failed. Ignore it
* silently but clean up bitmap.
*/
NSLOG(netsurf, INFO, "Thumbnail renderfailed");
guit->bitmap->destroy(bitmap);
bitmap = NULL;
}
}
}
entry->page.bitmap = bitmap;
browser_window_history__layout(history);
return NSERROR_OK;
@ -411,7 +446,9 @@ nserror browser_window_history_update(struct browser_window *bw,
free(history->current->page.title);
history->current->page.title = title;
guit->bitmap->render(history->current->page.bitmap, content);
if (history->current->page.bitmap != NULL) {
guit->bitmap->render(history->current->page.bitmap, content);
}
return NSERROR_OK;
}
@ -475,6 +512,27 @@ bool browser_window_history_forward_available(struct browser_window *bw)
bw->history->current->forward_pref);
}
/* exported interface documented in desktop/browser_history.h */
nserror
browser_window_history_get_thumbnail(struct browser_window *bw,
struct bitmap **bitmap_out)
{
struct bitmap *bitmap;
if (!bw || !bw->history || !bw->history->current) {
return NSERROR_INVALID;
}
if (bw->history->current->page.bitmap == NULL) {
bitmap = content_get_bitmap(bw->current_content);
} else {
bitmap = bw->history->current->page.bitmap;
}
*bitmap_out = bitmap;
return NSERROR_OK;
}
/* exported interface documented in desktop/browser_history.h */
nserror browser_window_history_go(struct browser_window *bw,
@ -519,7 +577,7 @@ nserror browser_window_history_go(struct browser_window *bw,
/* exported interface documented in desktop/browser_history.h */
void browser_window_history_enumerate_forward(const struct browser_window *bw,
void browser_window_history_enumerate_forward(const struct browser_window *bw,
browser_window_history_enumerate_cb cb, void *user_data)
{
struct history_entry *e;
@ -537,7 +595,7 @@ void browser_window_history_enumerate_forward(const struct browser_window *bw,
/* exported interface documented in desktop/browser_history.h */
void browser_window_history_enumerate_back(const struct browser_window *bw,
void browser_window_history_enumerate_back(const struct browser_window *bw,
browser_window_history_enumerate_cb cb, void *user_data)
{
struct history_entry *e;

25
desktop/browser_history.h
View File

@ -75,6 +75,14 @@ bool browser_window_history_back_available(struct browser_window *bw);
*/
bool browser_window_history_forward_available(struct browser_window *bw);
/**
* Get the thumbnail bitmap for the current history entry
*
* \param bw The browser window
* \param bitmap The bitmat for the current history entry.
* \return NSERROR_OK or error code on faliure.
*/
nserror browser_window_history_get_thumbnail(struct browser_window *bw, struct bitmap **bitmap_out);
/**
* Callback function type for history enumeration
@ -136,21 +144,19 @@ struct nsurl *browser_window_history_entry_get_url(const struct history_entry *e
/**
* Returns the URL to a history entry
*
* \param entry the history entry to retrieve the fragment id from
* \return the fragment id
* \param entry the history entry to retrieve the fragment id from
* \return the fragment id
*/
const char *browser_window_history_entry_get_fragment_id(
const struct history_entry *entry);
const char *browser_window_history_entry_get_fragment_id(const struct history_entry *entry);
/**
* Returns the title of a history entry
*
* \param entry the history entry to retrieve the title from
* \return the title
* \param entry The history entry to retrieve the title from
* \return the title
*/
const char *browser_window_history_entry_get_title(
const struct history_entry *entry);
const char *browser_window_history_entry_get_title(const struct history_entry *entry);
/**
@ -161,7 +167,6 @@ const char *browser_window_history_entry_get_title(
* \param new_window open entry in new window
* \return NSERROR_OK or error code on faliure.
*/
nserror browser_window_history_go(struct browser_window *bw,
struct history_entry *entry, bool new_window);
nserror browser_window_history_go(struct browser_window *bw, struct history_entry *entry, bool new_window);
#endif

7
frontends/amiga/gui.c
View File

@ -2527,10 +2527,9 @@ static BOOL ami_gui_event(void *w)
#ifdef __amigaos4__
case WMHI_ICONIFY:
{
struct bitmap *bm;
bm = urldb_get_thumbnail(browser_window_get_url(gwin->gw->bw));
if(!bm) bm = content_get_bitmap(browser_window_get_content(gwin->gw->bw));
struct bitmap *bm = NULL;
browser_window_history_get_thumbnail(gwin->gw->bw,
&bm);
gwin->dobj = amiga_icon_from_bitmap(bm);
amiga_icon_superimpose_favicon_internal(gwin->gw->favicon,
gwin->dobj);

2
include/netsurf/bitmap.h
View File

@ -154,7 +154,7 @@ struct gui_bitmap_table {
*
* \param bitmap The bitmap to save
* \param path The path to save the bitmap to.
* \param flags Flags affectin the save.
* \param flags Flags affecting the save.
*/
bool (*save)(void *bitmap, const char *path, unsigned flags);

9
include/netsurf/url_db.h
View File

@ -95,15 +95,6 @@ void urldb_iterate_partial(const char *prefix, bool (*callback)(struct nsurl *ur
void urldb_iterate_entries(bool (*callback)(struct nsurl *url, const struct url_data *data));
/**
* Retrieve thumbnail data for given URL
*
* \param url Absolute URL to search for
* \return Pointer to thumbnail data, or NULL if not found.
*/
struct bitmap *urldb_get_thumbnail(struct nsurl *url);
/**
* Find data for an URL.
*