Deduplicate file information structures

This commit is contained in:
Přemysl Eric Janouch 2023-04-14 07:11:49 +02:00
parent 05ac3a0651
commit a012011631
Signed by: p
GPG Key ID: A0420B94F92B9493
5 changed files with 146 additions and 122 deletions

View File

@ -108,14 +108,8 @@ static cairo_user_data_key_t fiv_browser_key_mtime_msec;
/// The original file size of source images for thumbnails.
static cairo_user_data_key_t fiv_browser_key_filesize;
// TODO(p): Include FivIoModelEntry data by reference.
struct entry {
gchar *uri; ///< GIO URI
gchar *target_uri; ///< GIO URI for any target
gchar *display_name; ///< Label for the file
guint64 filesize; ///< Filesize in bytes
gint64 mtime_msec; ///< Modification time in milliseconds
FivIoModelEntry *e; ///< Reference to model entry
cairo_surface_t *thumbnail; ///< Prescaled thumbnail
GIcon *icon; ///< If no thumbnail, use this icon
};
@ -123,9 +117,7 @@ struct entry {
static void
entry_free(Entry *self)
{
g_free(self->uri);
g_free(self->target_uri);
g_free(self->display_name);
fiv_io_model_entry_unref(self->e);
g_clear_pointer(&self->thumbnail, cairo_surface_destroy);
g_clear_object(&self->icon);
}
@ -228,7 +220,8 @@ relayout(FivBrowser *self, int width)
PangoLayout *label = NULL;
if (self->show_labels) {
label = gtk_widget_create_pango_layout(widget, entry->display_name);
label = gtk_widget_create_pango_layout(
widget, entry->e->display_name);
pango_layout_set_width(
label, (width - 2 * self->glow_w) * PANGO_SCALE);
pango_layout_set_alignment(label, PANGO_ALIGN_CENTER);
@ -505,15 +498,15 @@ rescale_thumbnail(cairo_surface_t *thumbnail, double row_height)
return scaled;
}
static char *
static const char *
entry_system_wide_uri(const Entry *self)
{
// "recent" and "trash", e.g., also have "standard::target-uri" set,
// but we'd like to avoid saving their thumbnails.
if (self->target_uri && fiv_collection_uri_matches(self->uri))
return self->target_uri;
if (self->e->target_uri && fiv_collection_uri_matches(self->e->uri))
return self->e->target_uri;
return self->uri;
return self->e->uri;
}
static void
@ -522,10 +515,10 @@ entry_set_surface_user_data(const Entry *self)
// This choice of mtime favours unnecessary thumbnail reloading
// over retaining stale data (consider both calling functions).
cairo_surface_set_user_data(self->thumbnail,
&fiv_browser_key_mtime_msec, (void *) (intptr_t) self->mtime_msec,
&fiv_browser_key_mtime_msec, (void *) (intptr_t) self->e->mtime_msec,
NULL);
cairo_surface_set_user_data(self->thumbnail,
&fiv_browser_key_filesize, (void *) (uintptr_t) self->filesize,
&fiv_browser_key_filesize, (void *) (uintptr_t) self->e->filesize,
NULL);
}
@ -538,19 +531,19 @@ entry_add_thumbnail(gpointer data, gpointer user_data)
FivBrowser *browser = FIV_BROWSER(user_data);
cairo_surface_t *cached =
g_hash_table_lookup(browser->thumbnail_cache, self->uri);
g_hash_table_lookup(browser->thumbnail_cache, self->e->uri);
if (cached &&
(intptr_t) cairo_surface_get_user_data(cached,
&fiv_browser_key_mtime_msec) == (intptr_t) self->mtime_msec &&
&fiv_browser_key_mtime_msec) == (intptr_t) self->e->mtime_msec &&
(uintptr_t) cairo_surface_get_user_data(cached,
&fiv_browser_key_filesize) == (uintptr_t) self->filesize) {
&fiv_browser_key_filesize) == (uintptr_t) self->e->filesize) {
self->thumbnail = cairo_surface_reference(cached);
// TODO(p): If this hit is low-quality, see if a high-quality thumbnail
// hasn't been produced without our knowledge (avoid launching a minion
// unnecessarily; we might also shift the concern there).
} else {
cairo_surface_t *found = fiv_thumbnail_lookup(
entry_system_wide_uri(self), self->mtime_msec, self->filesize,
entry_system_wide_uri(self), self->e->mtime_msec, self->e->filesize,
browser->item_size);
self->thumbnail = rescale_thumbnail(found, browser->item_height);
}
@ -563,7 +556,7 @@ entry_add_thumbnail(gpointer data, gpointer user_data)
// Fall back to symbolic icons, though there's only so much we can do
// in parallel--GTK+ isn't thread-safe.
GFile *file = g_file_new_for_uri(self->uri);
GFile *file = g_file_new_for_uri(self->e->uri);
GFileInfo *info = g_file_query_info(file,
G_FILE_ATTRIBUTE_STANDARD_NAME
"," G_FILE_ATTRIBUTE_STANDARD_SYMBOLIC_ICON,
@ -640,7 +633,7 @@ reload_thumbnails(FivBrowser *self)
for (guint i = 0; i < self->entries->len; i++) {
Entry *entry = &g_array_index(self->entries, Entry, i);
if (entry->thumbnail) {
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->uri),
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->e->uri),
cairo_surface_reference(entry->thumbnail));
}
@ -680,7 +673,7 @@ thumbnailer_reprocess_entry(FivBrowser *self, GBytes *output, Entry *entry)
}
entry_set_surface_user_data(entry);
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->uri),
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->e->uri),
cairo_surface_reference(entry->thumbnail));
}
@ -1128,7 +1121,7 @@ fiv_browser_draw(GtkWidget *widget, cairo_t *cr)
static gboolean
open_entry(GtkWidget *self, const Entry *entry, gboolean new_window)
{
GFile *location = g_file_new_for_uri(entry->uri);
GFile *location = g_file_new_for_uri(entry->e->uri);
g_signal_emit(self, browser_signals[ITEM_ACTIVATED], 0, location,
new_window ? GTK_PLACES_OPEN_NEW_WINDOW : GTK_PLACES_OPEN_NORMAL);
g_object_unref(location);
@ -1198,7 +1191,7 @@ fiv_browser_button_press_event(GtkWidget *widget, GdkEventButton *event)
// no matter what its new location is.
gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
GFile *file = g_file_new_for_uri(entry->uri);
GFile *file = g_file_new_for_uri(entry->e->uri);
show_context_menu(widget, file);
g_object_unref(file);
return GDK_EVENT_STOP;
@ -1342,8 +1335,8 @@ fiv_browser_drag_data_get(GtkWidget *widget,
{
FivBrowser *self = FIV_BROWSER(widget);
if (self->selected) {
(void) gtk_selection_data_set_uris(
data, (gchar *[]) {entry_system_wide_uri(self->selected), NULL});
(void) gtk_selection_data_set_uris(data, (gchar *[])
{(gchar *) entry_system_wide_uri(self->selected), NULL});
}
}
@ -1520,7 +1513,7 @@ fiv_browser_key_press_event(GtkWidget *widget, GdkEventKey *event)
case GDK_KEY_Return:
if (self->selected) {
GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
fiv_context_menu_information(window, self->selected->uri);
fiv_context_menu_information(window, self->selected->e->uri);
}
return GDK_EVENT_STOP;
}
@ -1555,7 +1548,7 @@ fiv_browser_query_tooltip(GtkWidget *widget, gint x, gint y,
if (!entry)
return FALSE;
gtk_tooltip_set_text(tooltip, entry->display_name);
gtk_tooltip_set_text(tooltip, entry->e->display_name);
return TRUE;
}
@ -1569,7 +1562,7 @@ fiv_browser_popup_menu(GtkWidget *widget)
GFile *file = NULL;
GdkRectangle rect = {};
if (self->selected) {
file = g_file_new_for_uri(self->selected->uri);
file = g_file_new_for_uri(self->selected->e->uri);
rect = entry_rect(self, self->selected);
rect.x += rect.width / 2;
rect.y += rect.height / 2;
@ -1607,7 +1600,7 @@ on_long_press(GtkGestureLongPress *lp, gdouble x, gdouble y, gpointer user_data)
// It might also be possible to have long-press just select items,
// and show some kind of toolbar with available actions.
GFile *file = g_file_new_for_uri(entry->uri);
GFile *file = g_file_new_for_uri(entry->e->uri);
gtk_menu_popup_at_rect(fiv_context_menu_new(widget, file), window,
&(GdkRectangle) {.x = x, .y = y}, GDK_GRAVITY_NORTH_WEST,
GDK_GRAVITY_NORTH_WEST, event);
@ -1823,21 +1816,16 @@ on_model_files_changed(FivIoModel *model, FivBrowser *self)
gchar *selected_uri = NULL;
if (self->selected)
selected_uri = g_strdup(self->selected->uri);
selected_uri = g_strdup(self->selected->e->uri);
thumbnailers_abort(self);
g_array_set_size(self->entries, 0);
g_array_set_size(self->layouted_rows, 0);
gsize len = 0;
const FivIoModelEntry *files = fiv_io_model_get_files(self->model, &len);
FivIoModelEntry *const *files = fiv_io_model_get_files(self->model, &len);
for (gsize i = 0; i < len; i++) {
Entry e = {.thumbnail = NULL,
.uri = g_strdup(files[i].uri),
.target_uri = g_strdup(files[i].target_uri),
.display_name = g_strdup(files[i].display_name),
.filesize = files[i].filesize,
.mtime_msec = files[i].mtime_msec};
Entry e = {.e = fiv_io_model_entry_ref(files[i])};
g_array_append_val(self->entries, e);
}
@ -1888,7 +1876,7 @@ fiv_browser_select(FivBrowser *self, const char *uri)
for (guint i = 0; i < self->entries->len; i++) {
const Entry *entry = &g_array_index(self->entries, Entry, i);
if (!g_strcmp0(entry->uri, uri)) {
if (!g_strcmp0(entry->e->uri, uri)) {
self->selected = entry;
scroll_to_selection(self);
break;

170
fiv-io.c
View File

@ -3044,21 +3044,10 @@ fiv_io_serialize_for_search(cairo_surface_t *surface, GError **error)
#include "xdg.h"
static void
model_entry_finalize(FivIoModelEntry *entry)
{
g_free(entry->uri);
g_free(entry->target_uri);
g_free(entry->display_name);
g_free(entry->collate_key);
}
static GArray *
static GPtrArray *
model_entry_array_new(void)
{
GArray *a = g_array_new(FALSE, TRUE, sizeof(FivIoModelEntry));
g_array_set_clear_func(a, (GDestroyNotify) model_entry_finalize);
return a;
return g_ptr_array_new_with_free_func(g_rc_box_release);
}
struct _FivIoModel {
@ -3067,8 +3056,8 @@ struct _FivIoModel {
GFile *directory; ///< Currently loaded directory
GFileMonitor *monitor; ///< "directory" monitoring
GArray *subdirs; ///< "directory" contents
GArray *files; ///< "directory" contents
GPtrArray *subdirs; ///< "directory" contents
GPtrArray *files; ///< "directory" contents
FivIoModelSort sort_field; ///< How to sort
gboolean sort_descending; ///< Whether to sort in reverse
@ -3150,8 +3139,8 @@ model_compare_entries(FivIoModel *self,
static gint
model_compare(gconstpointer a, gconstpointer b, gpointer user_data)
{
const FivIoModelEntry *entry1 = a;
const FivIoModelEntry *entry2 = b;
const FivIoModelEntry *entry1 = *(const FivIoModelEntry **) a;
const FivIoModelEntry *entry2 = *(const FivIoModelEntry **) b;
GFile *file1 = g_file_new_for_uri(entry1->uri);
GFile *file2 = g_file_new_for_uri(entry2->uri);
int result = model_compare_entries(user_data, entry1, file1, entry2, file2);
@ -3160,14 +3149,81 @@ model_compare(gconstpointer a, gconstpointer b, gpointer user_data)
return result;
}
static size_t
model_strsize(const char *string)
{
if (!string)
return 0;
return strlen(string) + 1;
}
static char *
model_strappend(char **p, const char *string, size_t size)
{
if (!string)
return *p;
char *destination = memcpy(*p, string, size);
*p += size;
return destination;
}
static FivIoModelEntry *
model_entry_new(GFile *file, GFileInfo *info)
{
gchar *uri = g_file_get_uri(file);
const gchar *target_uri = g_file_info_get_attribute_string(
info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI);
const gchar *display_name = g_file_info_get_display_name(info);
// TODO(p): Make it possible to use g_utf8_collate_key() instead,
// which does not use natural sorting.
gchar *parse_name = g_file_get_parse_name(file);
gchar *collate_key = g_utf8_collate_key_for_filename(parse_name, -1);
g_free(parse_name);
// The entries are immutable. Packing them into the structure
// should help memory usage as well as performance.
size_t size_uri = model_strsize(uri);
size_t size_target_uri = model_strsize(target_uri);
size_t size_display_name = model_strsize(display_name);
size_t size_collate_key = model_strsize(collate_key);
FivIoModelEntry *entry = g_rc_box_alloc0(sizeof *entry +
size_uri +
size_target_uri +
size_display_name +
size_collate_key);
gchar *p = (gchar *) entry + sizeof *entry;
entry->uri = model_strappend(&p, uri, size_uri);
entry->target_uri = model_strappend(&p, target_uri, size_target_uri);
entry->display_name = model_strappend(&p, display_name, size_display_name);
entry->collate_key = model_strappend(&p, collate_key, size_collate_key);
entry->filesize = (guint64) g_file_info_get_size(info);
GDateTime *mtime = g_file_info_get_modification_date_time(info);
if (mtime) {
entry->mtime_msec = g_date_time_to_unix(mtime) * 1000 +
g_date_time_get_microsecond(mtime) / 1000;
g_date_time_unref(mtime);
}
g_free(uri);
g_free(collate_key);
return entry;
}
static gboolean
model_reload_to(FivIoModel *self, GFile *directory,
GArray *subdirs, GArray *files, GError **error)
GPtrArray *subdirs, GPtrArray *files, GError **error)
{
if (subdirs)
g_array_set_size(subdirs, 0);
g_ptr_array_set_size(subdirs, 0);
if (files)
g_array_set_size(files, 0);
g_ptr_array_set_size(files, 0);
GFileEnumerator *enumerator = g_file_enumerate_children(directory,
G_FILE_ATTRIBUTE_STANDARD_TYPE ","
@ -3197,42 +3253,22 @@ model_reload_to(FivIoModel *self, GFile *directory,
if (self->filtering && g_file_info_get_is_hidden(info))
continue;
GArray *target = NULL;
GPtrArray *target = NULL;
if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
target = subdirs;
else if (!self->filtering ||
model_supports(self, g_file_info_get_name(info)))
target = files;
if (!target)
continue;
FivIoModelEntry entry = {.uri = g_file_get_uri(child),
.target_uri = g_strdup(g_file_info_get_attribute_string(
info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI)),
.display_name = g_strdup(g_file_info_get_display_name(info)),
.filesize = (guint64) g_file_info_get_size(info)};
GDateTime *mtime = g_file_info_get_modification_date_time(info);
if (mtime) {
entry.mtime_msec = g_date_time_to_unix(mtime) * 1000 +
g_date_time_get_microsecond(mtime) / 1000;
g_date_time_unref(mtime);
}
gchar *parse_name = g_file_get_parse_name(child);
// TODO(p): Make it possible to use g_utf8_collate_key() instead,
// which does not use natural sorting.
entry.collate_key = g_utf8_collate_key_for_filename(parse_name, -1);
g_free(parse_name);
g_array_append_val(target, entry);
if (target)
g_ptr_array_add(target, model_entry_new(child, info));
}
g_object_unref(enumerator);
if (subdirs)
g_array_sort_with_data(subdirs, model_compare, self);
g_ptr_array_sort_with_data(subdirs, model_compare, self);
if (files)
g_array_sort_with_data(files, model_compare, self);
g_ptr_array_sort_with_data(files, model_compare, self);
return TRUE;
}
@ -3251,8 +3287,8 @@ model_reload(FivIoModel *self, GError **error)
static void
model_resort(FivIoModel *self)
{
g_array_sort_with_data(self->subdirs, model_compare, self);
g_array_sort_with_data(self->files, model_compare, self);
g_ptr_array_sort_with_data(self->subdirs, model_compare, self);
g_ptr_array_sort_with_data(self->files, model_compare, self);
g_signal_emit(self, model_signals[FILES_CHANGED], 0);
g_signal_emit(self, model_signals[SUBDIRECTORIES_CHANGED], 0);
@ -3265,13 +3301,13 @@ static GFile *
model_last_deep_subdirectory(FivIoModel *self, GFile *directory)
{
GFile *result = NULL;
GArray *subdirs = model_entry_array_new();
GPtrArray *subdirs = model_entry_array_new();
if (!model_reload_to(self, directory, subdirs, NULL, NULL))
goto out;
if (subdirs->len) {
GFile *last = g_file_new_for_uri(
g_array_index(subdirs, FivIoModelEntry, subdirs->len - 1).uri);
FivIoModelEntry *entry = g_ptr_array_index(subdirs, subdirs->len - 1);
GFile *last = g_file_new_for_uri(entry->uri);
result = model_last_deep_subdirectory(self, last);
g_object_unref(last);
} else {
@ -3279,7 +3315,7 @@ model_last_deep_subdirectory(FivIoModel *self, GFile *directory)
}
out:
g_array_free(subdirs, TRUE);
g_ptr_array_free(subdirs, TRUE);
return result;
}
@ -3293,13 +3329,13 @@ fiv_io_model_get_previous_directory(FivIoModel *self)
return NULL;
GFile *result = NULL;
GArray *subdirs = model_entry_array_new();
GPtrArray *subdirs = model_entry_array_new();
if (!model_reload_to(self, parent_directory, subdirs, NULL, NULL))
goto out;
for (gsize i = 0; i < subdirs->len; i++) {
GFile *file = g_file_new_for_uri(
g_array_index(subdirs, FivIoModelEntry, i).uri);
FivIoModelEntry *entry = g_ptr_array_index(subdirs, i);
GFile *file = g_file_new_for_uri(entry->uri);
if (g_file_equal(file, self->directory)) {
g_object_unref(file);
break;
@ -3318,7 +3354,7 @@ fiv_io_model_get_previous_directory(FivIoModel *self)
out:
g_object_unref(parent_directory);
g_array_free(subdirs, TRUE);
g_ptr_array_free(subdirs, TRUE);
return result;
}
@ -3331,14 +3367,14 @@ model_next_directory_within_parents(FivIoModel *self, GFile *directory)
return NULL;
GFile *result = NULL;
GArray *subdirs = model_entry_array_new();
GPtrArray *subdirs = model_entry_array_new();
if (!model_reload_to(self, parent_directory, subdirs, NULL, NULL))
goto out;
gboolean found_self = FALSE;
for (gsize i = 0; i < subdirs->len; i++) {
result = g_file_new_for_uri(
g_array_index(subdirs, FivIoModelEntry, i).uri);
FivIoModelEntry *entry = g_ptr_array_index(subdirs, i);
result = g_file_new_for_uri(entry->uri);
if (found_self)
goto out;
@ -3350,7 +3386,7 @@ model_next_directory_within_parents(FivIoModel *self, GFile *directory)
out:
g_object_unref(parent_directory);
g_array_free(subdirs, TRUE);
g_ptr_array_free(subdirs, TRUE);
return result;
}
@ -3360,8 +3396,8 @@ fiv_io_model_get_next_directory(FivIoModel *self)
g_return_val_if_fail(FIV_IS_IO_MODEL(self), NULL);
if (self->subdirs->len) {
return g_file_new_for_uri(
g_array_index(self->subdirs, FivIoModelEntry, 0).uri);
FivIoModelEntry *entry = g_ptr_array_index(self->subdirs, 0);
return g_file_new_for_uri(entry->uri);
}
return model_next_directory_within_parents(self, self->directory);
@ -3379,8 +3415,8 @@ fiv_io_model_finalize(GObject *gobject)
g_clear_object(&self->directory);
g_clear_object(&self->monitor);
g_array_free(self->subdirs, TRUE);
g_array_free(self->files, TRUE);
g_ptr_array_free(self->subdirs, TRUE);
g_ptr_array_free(self->files, TRUE);
G_OBJECT_CLASS(fiv_io_model_parent_class)->finalize(gobject);
}
@ -3513,18 +3549,18 @@ fiv_io_model_get_location(FivIoModel *self)
return self->directory;
}
const FivIoModelEntry *
FivIoModelEntry *const *
fiv_io_model_get_files(FivIoModel *self, gsize *len)
{
*len = self->files->len;
return (const FivIoModelEntry *) self->files->data;
return (FivIoModelEntry *const *) self->files->pdata;
}
const FivIoModelEntry *
FivIoModelEntry *const *
fiv_io_model_get_subdirs(FivIoModel *self, gsize *len)
{
*len = self->subdirs->len;
return (const FivIoModelEntry *) self->subdirs->data;
return (FivIoModelEntry *const *) self->subdirs->pdata;
}
// --- Export ------------------------------------------------------------------

View File

@ -135,21 +135,21 @@ GFile *fiv_io_model_get_previous_directory(FivIoModel *self);
/// Returns the next VFS directory in order, or NULL.
GFile *fiv_io_model_get_next_directory(FivIoModel *self);
// TODO(p): Turn this into a reference-counted object.
// - If using g_rc_box_*(), we should wrap the {_acquire,_release_full}()
// functions as fiv_io_model_entry_{ref,unref}().
// - Ideally, all the strings would follow the struct immediately.
// These objects are reference-counted using GRcBox.
typedef struct {
gchar *uri; ///< GIO URI
gchar *target_uri; ///< GIO URI for any target
gchar *display_name; ///< Label for the file
gchar *collate_key; ///< Collate key for the filename
const char *uri; ///< GIO URI
const char *target_uri; ///< GIO URI for any target
const char *display_name; ///< Label for the file
const char *collate_key; ///< Collate key for the filename
guint64 filesize; ///< Filesize in bytes
gint64 mtime_msec; ///< Modification time in milliseconds
} FivIoModelEntry;
const FivIoModelEntry *fiv_io_model_get_files(FivIoModel *self, gsize *len);
const FivIoModelEntry *fiv_io_model_get_subdirs(FivIoModel *self, gsize *len);
#define fiv_io_model_entry_ref(e) g_rc_box_acquire(e)
#define fiv_io_model_entry_unref(e) g_rc_box_release(e)
FivIoModelEntry *const *fiv_io_model_get_files(FivIoModel *self, gsize *len);
FivIoModelEntry *const *fiv_io_model_get_subdirs(FivIoModel *self, gsize *len);
// --- Export ------------------------------------------------------------------

View File

@ -357,10 +357,10 @@ update_location(FivSidebar *self)
gtk_container_add(GTK_CONTAINER(self->listbox), row);
gsize len = 0;
const FivIoModelEntry *subdirs =
FivIoModelEntry *const *subdirs =
fiv_io_model_get_subdirs(self->model, &len);
for (gsize i = 0; i < len; i++) {
GFile *file = g_file_new_for_uri(subdirs[i].uri);
GFile *file = g_file_new_for_uri(subdirs[i]->uri);
if ((row = create_row(self, file, "go-down-symbolic")))
gtk_container_add(GTK_CONTAINER(self->listbox), row);
g_object_unref(file);

4
fiv.c
View File

@ -783,11 +783,11 @@ on_model_files_changed(FivIoModel *model, G_GNUC_UNUSED gpointer user_data)
g_return_if_fail(model == g.model);
gsize len = 0;
const FivIoModelEntry *files = fiv_io_model_get_files(g.model, &len);
FivIoModelEntry *const *files = fiv_io_model_get_files(g.model, &len);
g_ptr_array_free(g.files, TRUE);
g.files = g_ptr_array_new_full(len, g_free);
for (gsize i = 0; i < len; i++)
g_ptr_array_add(g.files, g_strdup(files[i].uri));
g_ptr_array_add(g.files, g_strdup(files[i]->uri));
update_files_index();