GnomeVFSResult nsGnomeVFSInputStream::DoOpen() { GnomeVFSResult rv; NS_ASSERTION(mHandle == nsnull, "already open"); // Push a callback handler on the stack for this thread, so we can intercept // authentication requests from GnomeVFS. We'll use the channel to get a // nsIAuthPrompt instance. gnome_vfs_module_callback_push(GNOME_VFS_MODULE_CALLBACK_AUTHENTICATION, AuthCallback, mChannel, NULL); // Query the mime type first (this could return NULL). // // XXX We need to do this up-front in order to determine how to open the URI. // Unfortunately, the error code GNOME_VFS_ERROR_IS_DIRECTORY is not // always returned by gnome_vfs_open when we pass it a URI to a directory! // Otherwise, we could have used that as a way to failover to opening the // URI as a directory. Also, it would have been ideal if // gnome_vfs_get_file_info_from_handle were actually implemented by the // smb:// module, since that would have allowed us to potentially save a // round trip to the server to discover the mime type of the document in // the case where gnome_vfs_open would have been used. (Oh well! /me // throws hands up in the air and moves on...) GnomeVFSFileInfo info = {0}; rv = gnome_vfs_get_file_info(mSpec.get(), &info, GnomeVFSFileInfoOptions( GNOME_VFS_FILE_INFO_DEFAULT | GNOME_VFS_FILE_INFO_FOLLOW_LINKS)); if (rv == GNOME_VFS_OK) { if (info.type == GNOME_VFS_FILE_TYPE_DIRECTORY) { rv = gnome_vfs_directory_list_load(&mDirList, mSpec.get(), GNOME_VFS_FILE_INFO_DEFAULT); LOG(("gnomevfs: gnome_vfs_directory_list_load returned %d (%s) [spec=\"%s\"]\n", rv, gnome_vfs_result_to_string(rv), mSpec.get())); } else { rv = gnome_vfs_open(&mHandle, mSpec.get(), GNOME_VFS_OPEN_READ); LOG(("gnomevfs: gnome_vfs_open returned %d (%s) [spec=\"%s\"]\n", rv, gnome_vfs_result_to_string(rv), mSpec.get())); } } gnome_vfs_module_callback_pop(GNOME_VFS_MODULE_CALLBACK_AUTHENTICATION); if (rv == GNOME_VFS_OK) { if (mHandle) { // Here we set the content type of the channel to the value of the mime // type determined by GnomeVFS. However, if GnomeVFS is telling us that // the document is binary, we'll ignore that and keep the channel's // content type unspecified. That will enable our content type sniffing // algorithms. This should provide more consistent mime type handling. if (info.mime_type && (strcmp(info.mime_type, APPLICATION_OCTET_STREAM) != 0)) SetContentTypeOfChannel(info.mime_type); mBytesRemaining = info.size; // Update the content length attribute on the channel. We do this // synchronously without proxying. This hack is not as bad as it looks! if (mBytesRemaining != PRUint64(-1)) mChannel->SetContentLength(mBytesRemaining); } else { mDirOpen = PR_TRUE; // Sort mDirList mDirList = g_list_sort(mDirList, FileInfoComparator); mDirListPtr = mDirList; // Write base URL (make sure it ends with a '/') mDirBuf.Append("300: "); mDirBuf.Append(mSpec); if (mSpec.get()[mSpec.Length() - 1] != '/') mDirBuf.Append('/'); mDirBuf.Append('\n'); // Write column names mDirBuf.Append("200: filename content-length last-modified file-type\n"); // Write charset (assume UTF-8) // XXX is this correct? mDirBuf.Append("301: UTF-8\n"); SetContentTypeOfChannel(APPLICATION_HTTP_INDEX_FORMAT); } } gnome_vfs_file_info_clear(&info); return rv; }
nsresult nsIconChannel::InitWithGnome(nsIMozIconURI *aIconURI) { nsresult rv; 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)); nsXPIDLString 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.AssignLiteral("Gecko"); } char* empty[] = { "" }; gnome_init(NS_ConvertUTF16toUTF8(appName).get(), "1.0", 1, empty); } 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); gdk_pixbuf_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)); gdk_pixbuf_unref(scaled); return rv; }