nsresult
nsIconChannel::InitWithGnome(nsIMozIconURI *aIconURI)
{
nsresult rv;
if (NS_FAILED(ensure_libgnomeui()) || NS_FAILED(ensure_libgnome()) || NS_FAILED(ensure_libgnomevfs())) {
gTriedToLoadGnomeLibs = true;
return NS_ERROR_NOT_AVAILABLE;
}
gTriedToLoadGnomeLibs = true;
if (!_gnome_program_get()) {
// Get the brandShortName from the string bundle to pass to GNOME
// as the application name. This may be used for things such as
// the title of grouped windows in the panel.
nsCOMPtr<nsIStringBundleService> bundleService =
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
NS_ASSERTION(bundleService, "String bundle service must be present!");
nsCOMPtr<nsIStringBundle> bundle;
bundleService->CreateBundle("chrome://branding/locale/brand.properties",
getter_AddRefs(bundle));
nsAutoString appName;
if (bundle) {
bundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(),
getter_Copies(appName));
} else {
NS_WARNING("brand.properties not present, using default application name");
appName.Assign(NS_LITERAL_STRING("Gecko"));
}
char* empty[] = { "" };
_gnome_init(NS_ConvertUTF16toUTF8(appName).get(), "1.0", 1, empty, NULL, 0, NULL);
}
uint32_t iconSize = GetIconSize(aIconURI);
nsAutoCString type;
aIconURI->GetContentType(type);
GnomeVFSFileInfo fileInfo = {0};
fileInfo.refcount = 1; // In case some GnomeVFS function addrefs and releases it
nsAutoCString spec;
nsCOMPtr<nsIURL> url;
rv = aIconURI->GetIconURL(getter_AddRefs(url));
if (url) {
url->GetAsciiSpec(spec);
// Only ask gnome-vfs for a GnomeVFSFileInfo for file: uris, to avoid a
// network request
bool isFile;
if (NS_SUCCEEDED(url->SchemeIs("file", &isFile)) && isFile) {
_gnome_vfs_get_file_info(spec.get(), &fileInfo, GNOME_VFS_FILE_INFO_DEFAULT);
}
else {
// The filename we get is UTF-8-compatible, which matches gnome expectations.
// See also: http://lists.gnome.org/archives/gnome-vfs-list/2004-March/msg00049.html
// "Whenever we can detect the charset used for the URI type we try to
// convert it to/from utf8 automatically inside gnome-vfs."
// I'll interpret that as "otherwise, this field is random junk".
nsAutoCString name;
url->GetFileName(name);
fileInfo.name = g_strdup(name.get());
if (!type.IsEmpty()) {
fileInfo.valid_fields = GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE;
fileInfo.mime_type = g_strdup(type.get());
}
}
}
if (type.IsEmpty()) {
nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1"));
if (ms) {
nsAutoCString fileExt;
aIconURI->GetFileExtension(fileExt);
if (!fileExt.IsEmpty()) {
ms->GetTypeFromExtension(fileExt, type);
}
}
}
// Get the icon theme
if (!gIconTheme) {
gIconTheme = _gnome_icon_theme_new();
if (!gIconTheme) {
_gnome_vfs_file_info_clear(&fileInfo);
return NS_ERROR_NOT_AVAILABLE;
}
}
char* name = _gnome_icon_lookup(gIconTheme, NULL, spec.get(), NULL, &fileInfo,
type.get(), GNOME_ICON_LOOKUP_FLAGS_NONE,
NULL);
_gnome_vfs_file_info_clear(&fileInfo);
if (!name)
return NS_ERROR_NOT_AVAILABLE;
// Get the default theme associated with the screen
// Do NOT free.
GtkIconTheme *theme = gtk_icon_theme_get_default();
if (!theme) {
g_free(name);
return NS_ERROR_UNEXPECTED;
}
GError *err = nullptr;
GdkPixbuf* buf = gtk_icon_theme_load_icon(theme, name, iconSize, (GtkIconLookupFlags)0, &err);
g_free(name);
if (!buf) {
if (err)
g_error_free(err);
return NS_ERROR_UNEXPECTED;
}
rv = ScaleIconBuf(&buf, iconSize);
NS_ENSURE_SUCCESS(rv, rv);
rv = moz_gdk_pixbuf_to_channel(buf, aIconURI,
getter_AddRefs(mRealChannel));
g_object_unref(buf);
return rv;
}
nsresult
nsIconChannel::InitWithGnome(nsIMozIconURI *aIconURI)
{
nsresult rv;
if (NS_FAILED(ensure_libgnomeui()) || NS_FAILED(ensure_libgnome()) || NS_FAILED(ensure_libgnomevfs())) {
gTriedToLoadGnomeLibs = PR_TRUE;
return NS_ERROR_NOT_AVAILABLE;
}
gTriedToLoadGnomeLibs = PR_TRUE;
if (!_gnome_program_get()) {
// Get the brandShortName from the string bundle to pass to GNOME
// as the application name. This may be used for things such as
// the title of grouped windows in the panel.
nsCOMPtr<nsIStringBundleService> bundleService =
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
NS_ASSERTION(bundleService, "String bundle service must be present!");
nsCOMPtr<nsIStringBundle> bundle;
bundleService->CreateBundle("chrome://branding/locale/brand.properties",
getter_AddRefs(bundle));
nsAutoString appName;
if (bundle) {
bundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(),
getter_Copies(appName));
} else {
NS_WARNING("brand.properties not present, using default application name");
appName.Assign(NS_LITERAL_STRING("Gecko"));
}
char* empty[] = { "" };
_gnome_init(NS_ConvertUTF16toUTF8(appName).get(), "1.0", 1, empty, NULL, 0, NULL);
}
nsCAutoString iconSizeString;
aIconURI->GetIconSize(iconSizeString);
PRUint32 iconSize;
if (iconSizeString.IsEmpty()) {
rv = aIconURI->GetImageSize(&iconSize);
NS_ASSERTION(NS_SUCCEEDED(rv), "GetImageSize failed");
} else {
int size;
GtkIconSize icon_size = moz_gtk_icon_size(iconSizeString.get());
gtk_icon_size_lookup(icon_size, &size, NULL);
iconSize = size;
}
nsCAutoString type;
aIconURI->GetContentType(type);
GnomeVFSFileInfo fileInfo = {0};
fileInfo.refcount = 1; // In case some GnomeVFS function addrefs and releases it
nsCAutoString spec;
nsCOMPtr<nsIURI> fileURI;
rv = aIconURI->GetIconFile(getter_AddRefs(fileURI));
if (fileURI) {
fileURI->GetAsciiSpec(spec);
// Only ask gnome-vfs for a GnomeVFSFileInfo for file: uris, to avoid a
// network request
PRBool isFile;
if (NS_SUCCEEDED(fileURI->SchemeIs("file", &isFile)) && isFile) {
_gnome_vfs_get_file_info(spec.get(), &fileInfo, GNOME_VFS_FILE_INFO_DEFAULT);
}
else {
// We have to get a leaf name from our uri...
nsCOMPtr<nsIURL> url(do_QueryInterface(fileURI));
if (url) {
nsCAutoString name;
// The filename we get is UTF-8-compatible, which matches gnome expectations.
// See also: http://lists.gnome.org/archives/gnome-vfs-list/2004-March/msg00049.html
// "Whenever we can detect the charset used for the URI type we try to
// convert it to/from utf8 automatically inside gnome-vfs."
// I'll interpret that as "otherwise, this field is random junk".
url->GetFileName(name);
fileInfo.name = g_strdup(name.get());
}
// If this is no nsIURL, nothing we can do really.
if (!type.IsEmpty()) {
fileInfo.valid_fields = GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE;
fileInfo.mime_type = g_strdup(type.get());
}
}
}
if (type.IsEmpty()) {
nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1"));
if (ms) {
nsCAutoString fileExt;
aIconURI->GetFileExtension(fileExt);
ms->GetTypeFromExtension(fileExt, type);
}
}
// Get the icon theme
if (!gIconTheme) {
gIconTheme = _gnome_icon_theme_new();
if (!gIconTheme) {
_gnome_vfs_file_info_clear(&fileInfo);
return NS_ERROR_NOT_AVAILABLE;
}
}
char* name = _gnome_icon_lookup(gIconTheme, NULL, spec.get(), NULL, &fileInfo,
type.get(), GNOME_ICON_LOOKUP_FLAGS_NONE,
NULL);
_gnome_vfs_file_info_clear(&fileInfo);
if (!name)
return NS_ERROR_NOT_AVAILABLE;
char* file = _gnome_icon_theme_lookup_icon(gIconTheme, name, iconSize,
NULL, NULL);
g_free(name);
if (!file)
return NS_ERROR_NOT_AVAILABLE;
// Create a GdkPixbuf buffer and scale it
GError *err = nsnull;
GdkPixbuf* buf = gdk_pixbuf_new_from_file(file, &err);
g_free(file);
if (!buf) {
if (err)
g_error_free(err);
return NS_ERROR_UNEXPECTED;
}
GdkPixbuf* scaled = buf;
if (gdk_pixbuf_get_width(buf) != iconSize &&
gdk_pixbuf_get_height(buf) != iconSize) {
// scale...
scaled = gdk_pixbuf_scale_simple(buf, iconSize, iconSize,
GDK_INTERP_BILINEAR);
g_object_unref(buf);
if (!scaled)
return NS_ERROR_OUT_OF_MEMORY;
}
// XXX Respect icon state
rv = moz_gdk_pixbuf_to_channel(scaled, aIconURI,
getter_AddRefs(mRealChannel));
g_object_unref(scaled);
return rv;
}
