зеркало из https://github.com/mozilla/gecko-dev.git
663 строки
20 KiB
C++
663 строки
20 KiB
C++
/* vim:set ts=2 sw=2 sts=2 cin et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdlib.h>
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#include <unistd.h>
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#include "mozilla/DebugOnly.h"
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#ifdef MOZ_ENABLE_GNOMEUI
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// Older versions of these headers seem to be missing an extern "C"
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extern "C" {
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#include <libgnome/libgnome.h>
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#include <libgnomeui/gnome-icon-theme.h>
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#include <libgnomeui/gnome-icon-lookup.h>
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#include <libgnomevfs/gnome-vfs-file-info.h>
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#include <libgnomevfs/gnome-vfs-ops.h>
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}
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#endif
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#ifdef MOZ_ENABLE_GIO
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#include <gio/gio.h>
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#endif
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#include <gtk/gtk.h>
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#include "nsMimeTypes.h"
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#include "nsIMIMEService.h"
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#include "nsIStringBundle.h"
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#include "nsNetUtil.h"
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#include "nsIURL.h"
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#include "prlink.h"
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#include "nsIconChannel.h"
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NS_IMPL_ISUPPORTS2(nsIconChannel,
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nsIRequest,
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nsIChannel)
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#ifdef MOZ_ENABLE_GNOMEUI
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// These let us have a soft dependency on libgnomeui rather than a hard one. These are just basically the prototypes
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// of the functions in the libraries.
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typedef char* (*_GnomeIconLookup_fn)(GtkIconTheme *icon_theme, GnomeThumbnailFactory *thumbnail_factory,
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const char *file_uri, const char *custom_icon, GnomeVFSFileInfo *file_info,
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const char *mime_type, GnomeIconLookupFlags flags, GnomeIconLookupResultFlags *result);
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typedef GnomeIconTheme* (*_GnomeIconThemeNew_fn)(void);
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typedef int (*_GnomeInit_fn)(const char *app_id, const char *app_version, int argc, char **argv, const struct poptOption *options,
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int flags, poptContext *return_ctx);
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typedef GnomeProgram* (*_GnomeProgramGet_fn)(void);
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typedef GnomeVFSResult (*_GnomeVFSGetFileInfo_fn)(const gchar *text_uri, GnomeVFSFileInfo *info, GnomeVFSFileInfoOptions options);
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typedef void (*_GnomeVFSFileInfoClear_fn)(GnomeVFSFileInfo *info);
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static PRLibrary* gLibGnomeUI = nullptr;
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static PRLibrary* gLibGnome = nullptr;
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static PRLibrary* gLibGnomeVFS = nullptr;
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static bool gTriedToLoadGnomeLibs = false;
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static _GnomeIconLookup_fn _gnome_icon_lookup = nullptr;
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static _GnomeIconThemeNew_fn _gnome_icon_theme_new = nullptr;
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static _GnomeInit_fn _gnome_init = nullptr;
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static _GnomeProgramGet_fn _gnome_program_get = nullptr;
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static _GnomeVFSGetFileInfo_fn _gnome_vfs_get_file_info = nullptr;
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static _GnomeVFSFileInfoClear_fn _gnome_vfs_file_info_clear = nullptr;
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#endif //MOZ_ENABLE_GNOMEUI
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static nsresult
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moz_gdk_pixbuf_to_channel(GdkPixbuf* aPixbuf, nsIURI *aURI,
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nsIChannel **aChannel)
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{
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int width = gdk_pixbuf_get_width(aPixbuf);
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int height = gdk_pixbuf_get_height(aPixbuf);
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NS_ENSURE_TRUE(height < 256 && width < 256 && height > 0 && width > 0 &&
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gdk_pixbuf_get_colorspace(aPixbuf) == GDK_COLORSPACE_RGB &&
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gdk_pixbuf_get_bits_per_sample(aPixbuf) == 8 &&
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gdk_pixbuf_get_has_alpha(aPixbuf) &&
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gdk_pixbuf_get_n_channels(aPixbuf) == 4,
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NS_ERROR_UNEXPECTED);
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const int n_channels = 4;
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gsize buf_size = 2 + n_channels * height * width;
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uint8_t * const buf = (uint8_t*)NS_Alloc(buf_size);
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NS_ENSURE_TRUE(buf, NS_ERROR_OUT_OF_MEMORY);
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uint8_t *out = buf;
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*(out++) = width;
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*(out++) = height;
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const guchar * const pixels = gdk_pixbuf_get_pixels(aPixbuf);
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int rowextra = gdk_pixbuf_get_rowstride(aPixbuf) - width * n_channels;
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// encode the RGB data and the A data
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const guchar * in = pixels;
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for (int y = 0; y < height; ++y, in += rowextra) {
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for (int x = 0; x < width; ++x) {
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uint8_t r = *(in++);
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uint8_t g = *(in++);
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uint8_t b = *(in++);
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uint8_t a = *(in++);
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#define DO_PREMULTIPLY(c_) uint8_t(uint16_t(c_) * uint16_t(a) / uint16_t(255))
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#ifdef IS_LITTLE_ENDIAN
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*(out++) = DO_PREMULTIPLY(b);
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*(out++) = DO_PREMULTIPLY(g);
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*(out++) = DO_PREMULTIPLY(r);
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*(out++) = a;
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#else
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*(out++) = a;
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*(out++) = DO_PREMULTIPLY(r);
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*(out++) = DO_PREMULTIPLY(g);
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*(out++) = DO_PREMULTIPLY(b);
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#endif
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#undef DO_PREMULTIPLY
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}
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}
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NS_ASSERTION(out == buf + buf_size, "size miscalculation");
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nsresult rv;
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nsCOMPtr<nsIStringInputStream> stream =
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do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = stream->AdoptData((char*)buf, buf_size);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = NS_NewInputStreamChannel(aChannel, aURI, stream,
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NS_LITERAL_CSTRING(IMAGE_ICON_MS));
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return rv;
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}
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static GtkWidget *gProtoWindow = nullptr;
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static GtkWidget *gStockImageWidget = nullptr;
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#ifdef MOZ_ENABLE_GNOMEUI
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static GnomeIconTheme *gIconTheme = nullptr;
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#endif //MOZ_ENABLE_GNOMEUI
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static void
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ensure_stock_image_widget()
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{
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// Only the style of the GtkImage needs to be used, but the widget is kept
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// to track dynamic style changes.
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if (!gProtoWindow) {
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gProtoWindow = gtk_window_new(GTK_WINDOW_POPUP);
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GtkWidget* protoLayout = gtk_fixed_new();
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gtk_container_add(GTK_CONTAINER(gProtoWindow), protoLayout);
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gStockImageWidget = gtk_image_new();
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gtk_container_add(GTK_CONTAINER(protoLayout), gStockImageWidget);
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gtk_widget_ensure_style(gStockImageWidget);
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}
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}
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#ifdef MOZ_ENABLE_GNOMEUI
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static nsresult
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ensure_libgnomeui()
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{
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// Attempt to get the libgnomeui symbol references. We do it this way so that stock icons from Init()
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// don't get held back by InitWithGnome()'s libgnomeui dependency.
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if (!gTriedToLoadGnomeLibs) {
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gLibGnomeUI = PR_LoadLibrary("libgnomeui-2.so.0");
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if (!gLibGnomeUI)
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return NS_ERROR_NOT_AVAILABLE;
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_gnome_init = (_GnomeInit_fn)PR_FindFunctionSymbol(gLibGnomeUI, "gnome_init_with_popt_table");
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_gnome_icon_theme_new = (_GnomeIconThemeNew_fn)PR_FindFunctionSymbol(gLibGnomeUI, "gnome_icon_theme_new");
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_gnome_icon_lookup = (_GnomeIconLookup_fn)PR_FindFunctionSymbol(gLibGnomeUI, "gnome_icon_lookup");
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if (!_gnome_init || !_gnome_icon_theme_new || !_gnome_icon_lookup) {
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PR_UnloadLibrary(gLibGnomeUI);
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gLibGnomeUI = nullptr;
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return NS_ERROR_NOT_AVAILABLE;
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}
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}
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if (!gLibGnomeUI)
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return NS_ERROR_NOT_AVAILABLE;
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return NS_OK;
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}
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static nsresult
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ensure_libgnome()
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{
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if (!gTriedToLoadGnomeLibs) {
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gLibGnome = PR_LoadLibrary("libgnome-2.so.0");
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if (!gLibGnome)
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return NS_ERROR_NOT_AVAILABLE;
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_gnome_program_get = (_GnomeProgramGet_fn)PR_FindFunctionSymbol(gLibGnome, "gnome_program_get");
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if (!_gnome_program_get) {
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PR_UnloadLibrary(gLibGnome);
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gLibGnome = nullptr;
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return NS_ERROR_NOT_AVAILABLE;
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}
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}
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if (!gLibGnome)
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return NS_ERROR_NOT_AVAILABLE;
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return NS_OK;
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}
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static nsresult
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ensure_libgnomevfs()
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{
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if (!gTriedToLoadGnomeLibs) {
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gLibGnomeVFS = PR_LoadLibrary("libgnomevfs-2.so.0");
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if (!gLibGnomeVFS)
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return NS_ERROR_NOT_AVAILABLE;
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_gnome_vfs_get_file_info = (_GnomeVFSGetFileInfo_fn)PR_FindFunctionSymbol(gLibGnomeVFS, "gnome_vfs_get_file_info");
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_gnome_vfs_file_info_clear = (_GnomeVFSFileInfoClear_fn)PR_FindFunctionSymbol(gLibGnomeVFS, "gnome_vfs_file_info_clear");
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if (!_gnome_vfs_get_file_info || !_gnome_vfs_file_info_clear) {
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PR_UnloadLibrary(gLibGnomeVFS);
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gLibGnomeVFS = nullptr;
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return NS_ERROR_NOT_AVAILABLE;
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}
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}
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if (!gLibGnomeVFS)
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return NS_ERROR_NOT_AVAILABLE;
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return NS_OK;
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}
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#endif //MOZ_ENABLE_GNOMEUI
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static GtkIconSize
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moz_gtk_icon_size(const char *name)
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{
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if (strcmp(name, "button") == 0)
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return GTK_ICON_SIZE_BUTTON;
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if (strcmp(name, "menu") == 0)
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return GTK_ICON_SIZE_MENU;
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if (strcmp(name, "toolbar") == 0)
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return GTK_ICON_SIZE_LARGE_TOOLBAR;
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if (strcmp(name, "toolbarsmall") == 0)
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return GTK_ICON_SIZE_SMALL_TOOLBAR;
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if (strcmp(name, "dnd") == 0)
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return GTK_ICON_SIZE_DND;
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if (strcmp(name, "dialog") == 0)
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return GTK_ICON_SIZE_DIALOG;
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return GTK_ICON_SIZE_MENU;
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}
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#if defined(MOZ_ENABLE_GNOMEUI) || defined(MOZ_ENABLE_GIO)
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static int32_t
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GetIconSize(nsIMozIconURI *aIconURI)
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{
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nsAutoCString iconSizeString;
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aIconURI->GetIconSize(iconSizeString);
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if (iconSizeString.IsEmpty()) {
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uint32_t size;
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mozilla::DebugOnly<nsresult> rv = aIconURI->GetImageSize(&size);
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NS_ASSERTION(NS_SUCCEEDED(rv), "GetImageSize failed");
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return size;
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} else {
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int size;
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GtkIconSize icon_size = moz_gtk_icon_size(iconSizeString.get());
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gtk_icon_size_lookup(icon_size, &size, NULL);
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return size;
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}
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}
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/* Scale icon buffer to preferred size */
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static nsresult
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ScaleIconBuf(GdkPixbuf **aBuf, int32_t iconSize)
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{
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// Scale buffer only if width or height differ from preferred size
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if (gdk_pixbuf_get_width(*aBuf) != iconSize &&
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gdk_pixbuf_get_height(*aBuf) != iconSize) {
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GdkPixbuf *scaled = gdk_pixbuf_scale_simple(*aBuf, iconSize, iconSize,
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GDK_INTERP_BILINEAR);
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// replace original buffer by scaled
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g_object_unref(*aBuf);
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*aBuf = scaled;
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if (!scaled)
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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#endif
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#ifdef MOZ_ENABLE_GNOMEUI
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nsresult
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nsIconChannel::InitWithGnome(nsIMozIconURI *aIconURI)
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{
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nsresult rv;
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if (NS_FAILED(ensure_libgnomeui()) || NS_FAILED(ensure_libgnome()) || NS_FAILED(ensure_libgnomevfs())) {
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gTriedToLoadGnomeLibs = true;
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return NS_ERROR_NOT_AVAILABLE;
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}
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gTriedToLoadGnomeLibs = true;
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if (!_gnome_program_get()) {
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// Get the brandShortName from the string bundle to pass to GNOME
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// as the application name. This may be used for things such as
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// the title of grouped windows in the panel.
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nsCOMPtr<nsIStringBundleService> bundleService =
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do_GetService(NS_STRINGBUNDLE_CONTRACTID);
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NS_ASSERTION(bundleService, "String bundle service must be present!");
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nsCOMPtr<nsIStringBundle> bundle;
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bundleService->CreateBundle("chrome://branding/locale/brand.properties",
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getter_AddRefs(bundle));
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nsAutoString appName;
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if (bundle) {
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bundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(),
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getter_Copies(appName));
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} else {
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NS_WARNING("brand.properties not present, using default application name");
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appName.Assign(NS_LITERAL_STRING("Gecko"));
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}
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char* empty[] = { "" };
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_gnome_init(NS_ConvertUTF16toUTF8(appName).get(), "1.0", 1, empty, NULL, 0, NULL);
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}
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uint32_t iconSize = GetIconSize(aIconURI);
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nsAutoCString type;
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aIconURI->GetContentType(type);
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GnomeVFSFileInfo fileInfo = {0};
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fileInfo.refcount = 1; // In case some GnomeVFS function addrefs and releases it
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nsAutoCString spec;
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nsCOMPtr<nsIURL> url;
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rv = aIconURI->GetIconURL(getter_AddRefs(url));
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if (url) {
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url->GetAsciiSpec(spec);
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// Only ask gnome-vfs for a GnomeVFSFileInfo for file: uris, to avoid a
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// network request
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bool isFile;
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if (NS_SUCCEEDED(url->SchemeIs("file", &isFile)) && isFile) {
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_gnome_vfs_get_file_info(spec.get(), &fileInfo, GNOME_VFS_FILE_INFO_DEFAULT);
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}
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else {
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// The filename we get is UTF-8-compatible, which matches gnome expectations.
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// See also: http://lists.gnome.org/archives/gnome-vfs-list/2004-March/msg00049.html
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// "Whenever we can detect the charset used for the URI type we try to
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// convert it to/from utf8 automatically inside gnome-vfs."
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// I'll interpret that as "otherwise, this field is random junk".
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nsAutoCString name;
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url->GetFileName(name);
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fileInfo.name = g_strdup(name.get());
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if (!type.IsEmpty()) {
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fileInfo.valid_fields = GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE;
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fileInfo.mime_type = g_strdup(type.get());
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}
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}
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}
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if (type.IsEmpty()) {
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nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1"));
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if (ms) {
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nsAutoCString fileExt;
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aIconURI->GetFileExtension(fileExt);
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if (!fileExt.IsEmpty()) {
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ms->GetTypeFromExtension(fileExt, type);
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}
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}
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}
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// Get the icon theme
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if (!gIconTheme) {
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gIconTheme = _gnome_icon_theme_new();
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if (!gIconTheme) {
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_gnome_vfs_file_info_clear(&fileInfo);
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return NS_ERROR_NOT_AVAILABLE;
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}
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}
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char* name = _gnome_icon_lookup(gIconTheme, NULL, spec.get(), NULL, &fileInfo,
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type.get(), GNOME_ICON_LOOKUP_FLAGS_NONE,
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NULL);
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_gnome_vfs_file_info_clear(&fileInfo);
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if (!name)
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return NS_ERROR_NOT_AVAILABLE;
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// Get the default theme associated with the screen
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// Do NOT free.
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GtkIconTheme *theme = gtk_icon_theme_get_default();
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if (!theme) {
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g_free(name);
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return NS_ERROR_UNEXPECTED;
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}
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GError *err = nullptr;
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GdkPixbuf* buf = gtk_icon_theme_load_icon(theme, name, iconSize, (GtkIconLookupFlags)0, &err);
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g_free(name);
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if (!buf) {
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if (err)
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g_error_free(err);
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return NS_ERROR_UNEXPECTED;
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}
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rv = ScaleIconBuf(&buf, iconSize);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = moz_gdk_pixbuf_to_channel(buf, aIconURI,
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getter_AddRefs(mRealChannel));
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g_object_unref(buf);
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return rv;
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}
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#endif // MOZ_ENABLE_GNOMEUI
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#ifdef MOZ_ENABLE_GIO
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nsresult
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nsIconChannel::InitWithGIO(nsIMozIconURI *aIconURI)
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{
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GIcon *icon = NULL;
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nsCOMPtr<nsIURL> fileURI;
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// Read icon content
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aIconURI->GetIconURL(getter_AddRefs(fileURI));
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// Get icon for file specified by URI
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if (fileURI) {
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bool isFile;
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nsAutoCString spec;
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fileURI->GetAsciiSpec(spec);
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if (NS_SUCCEEDED(fileURI->SchemeIs("file", &isFile)) && isFile) {
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GFile *file = g_file_new_for_uri(spec.get());
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GFileInfo *fileInfo = g_file_query_info(file,
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G_FILE_ATTRIBUTE_STANDARD_ICON,
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G_FILE_QUERY_INFO_NONE, NULL, NULL);
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g_object_unref(file);
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if (fileInfo) {
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// icon from g_content_type_get_icon doesn't need unref
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icon = g_file_info_get_icon(fileInfo);
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if (icon)
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g_object_ref(icon);
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g_object_unref(fileInfo);
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}
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}
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}
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// Try to get icon by using MIME type
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if (!icon) {
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nsAutoCString type;
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aIconURI->GetContentType(type);
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// Try to get MIME type from file extension by using nsIMIMEService
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if (type.IsEmpty()) {
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nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1"));
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if (ms) {
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nsAutoCString fileExt;
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aIconURI->GetFileExtension(fileExt);
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ms->GetTypeFromExtension(fileExt, type);
|
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}
|
|
}
|
|
char *ctype = NULL; // character representation of content type
|
|
if (!type.IsEmpty()) {
|
|
ctype = g_content_type_from_mime_type(type.get());
|
|
}
|
|
if (ctype) {
|
|
icon = g_content_type_get_icon(ctype);
|
|
g_free(ctype);
|
|
}
|
|
}
|
|
|
|
// Get default icon theme
|
|
GtkIconTheme *iconTheme = gtk_icon_theme_get_default();
|
|
GtkIconInfo *iconInfo = NULL;
|
|
// Get icon size
|
|
int32_t iconSize = GetIconSize(aIconURI);
|
|
|
|
if (icon) {
|
|
// Use icon and theme to get GtkIconInfo
|
|
iconInfo = gtk_icon_theme_lookup_by_gicon(iconTheme,
|
|
icon, iconSize,
|
|
(GtkIconLookupFlags)0);
|
|
g_object_unref(icon);
|
|
}
|
|
|
|
if (!iconInfo) {
|
|
// Mozilla's mimetype lookup failed. Try the "unknown" icon.
|
|
iconInfo = gtk_icon_theme_lookup_icon(iconTheme,
|
|
"unknown", iconSize,
|
|
(GtkIconLookupFlags)0);
|
|
if (!iconInfo) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
|
|
// Create a GdkPixbuf buffer containing icon and scale it
|
|
GdkPixbuf* buf = gtk_icon_info_load_icon(iconInfo, NULL);
|
|
gtk_icon_info_free(iconInfo);
|
|
if (!buf) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsresult 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;
|
|
}
|
|
#endif // MOZ_ENABLE_GIO
|
|
|
|
nsresult
|
|
nsIconChannel::Init(nsIURI* aURI)
|
|
{
|
|
nsCOMPtr<nsIMozIconURI> iconURI = do_QueryInterface(aURI);
|
|
NS_ASSERTION(iconURI, "URI is not an nsIMozIconURI");
|
|
|
|
nsAutoCString stockIcon;
|
|
iconURI->GetStockIcon(stockIcon);
|
|
if (stockIcon.IsEmpty()) {
|
|
#ifdef MOZ_ENABLE_GNOMEUI
|
|
return InitWithGnome(iconURI);
|
|
#else
|
|
#ifdef MOZ_ENABLE_GIO
|
|
return InitWithGIO(iconURI);
|
|
#else
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
// Search for stockIcon
|
|
nsAutoCString iconSizeString;
|
|
iconURI->GetIconSize(iconSizeString);
|
|
|
|
nsAutoCString iconStateString;
|
|
iconURI->GetIconState(iconStateString);
|
|
|
|
GtkIconSize icon_size = moz_gtk_icon_size(iconSizeString.get());
|
|
GtkStateType state = iconStateString.EqualsLiteral("disabled") ?
|
|
GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL;
|
|
|
|
// First lookup the icon by stock id and text direction.
|
|
GtkTextDirection direction = GTK_TEXT_DIR_NONE;
|
|
if (StringEndsWith(stockIcon, NS_LITERAL_CSTRING("-ltr"))) {
|
|
direction = GTK_TEXT_DIR_LTR;
|
|
} else if (StringEndsWith(stockIcon, NS_LITERAL_CSTRING("-rtl"))) {
|
|
direction = GTK_TEXT_DIR_RTL;
|
|
}
|
|
|
|
bool forceDirection = direction != GTK_TEXT_DIR_NONE;
|
|
nsAutoCString stockID;
|
|
bool useIconName = false;
|
|
if (!forceDirection) {
|
|
direction = gtk_widget_get_default_direction();
|
|
stockID = stockIcon;
|
|
} else {
|
|
// GTK versions < 2.22 use icon names from concatenating stock id with
|
|
// -(rtl|ltr), which is how the moz-icon stock name is interpreted here.
|
|
stockID = Substring(stockIcon, 0, stockIcon.Length() - 4);
|
|
// However, if we lookup bidi icons by the stock name, then GTK versions
|
|
// >= 2.22 will use a bidi lookup convention that most icon themes do not
|
|
// yet follow. Therefore, we first check to see if the theme supports the
|
|
// old icon name as this will have bidi support (if found).
|
|
GtkIconTheme *icon_theme = gtk_icon_theme_get_default();
|
|
// Micking what gtk_icon_set_render_icon does with sizes, though it's not
|
|
// critical as icons will be scaled to suit size. It just means we follow
|
|
// the same pathes and so share caches.
|
|
gint width, height;
|
|
if (gtk_icon_size_lookup(icon_size, &width, &height)) {
|
|
gint size = NS_MIN(width, height);
|
|
// We use gtk_icon_theme_lookup_icon() without
|
|
// GTK_ICON_LOOKUP_USE_BUILTIN instead of gtk_icon_theme_has_icon() so
|
|
// we don't pick up fallback icons added by distributions for backward
|
|
// compatibility.
|
|
GtkIconInfo *icon =
|
|
gtk_icon_theme_lookup_icon(icon_theme, stockIcon.get(),
|
|
size, (GtkIconLookupFlags)0);
|
|
if (icon) {
|
|
useIconName = true;
|
|
gtk_icon_info_free(icon);
|
|
}
|
|
}
|
|
}
|
|
|
|
ensure_stock_image_widget();
|
|
GtkStyle *style = gtk_widget_get_style(gStockImageWidget);
|
|
GtkIconSet *icon_set = NULL;
|
|
if (!useIconName) {
|
|
icon_set = gtk_style_lookup_icon_set(style, stockID.get());
|
|
}
|
|
|
|
if (!icon_set) {
|
|
// Either we have choosen icon-name lookup for a bidi icon, or stockIcon is
|
|
// not a stock id so we assume it is an icon name.
|
|
useIconName = true;
|
|
// Creating a GtkIconSet is a convenient way to allow the style to
|
|
// render the icon, possibly with variations suitable for insensitive
|
|
// states.
|
|
icon_set = gtk_icon_set_new();
|
|
GtkIconSource *icon_source = gtk_icon_source_new();
|
|
|
|
gtk_icon_source_set_icon_name(icon_source, stockIcon.get());
|
|
gtk_icon_set_add_source(icon_set, icon_source);
|
|
gtk_icon_source_free(icon_source);
|
|
}
|
|
|
|
GdkPixbuf *icon =
|
|
gtk_icon_set_render_icon (icon_set, style, direction, state,
|
|
icon_size, gStockImageWidget, NULL);
|
|
if (useIconName) {
|
|
gtk_icon_set_unref(icon_set);
|
|
}
|
|
|
|
// According to documentation, gtk_icon_set_render_icon() never returns
|
|
// NULL, but it does return NULL when we have the problem reported here:
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=629878#c13
|
|
if (!icon)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
nsresult rv = moz_gdk_pixbuf_to_channel(icon, iconURI,
|
|
getter_AddRefs(mRealChannel));
|
|
|
|
g_object_unref(icon);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsIconChannel::Shutdown() {
|
|
if (gProtoWindow) {
|
|
gtk_widget_destroy(gProtoWindow);
|
|
gProtoWindow = nullptr;
|
|
gStockImageWidget = nullptr;
|
|
}
|
|
#ifdef MOZ_ENABLE_GNOMEUI
|
|
if (gIconTheme) {
|
|
g_object_unref(G_OBJECT(gIconTheme));
|
|
gIconTheme = nullptr;
|
|
}
|
|
gTriedToLoadGnomeLibs = false;
|
|
if (gLibGnomeUI) {
|
|
PR_UnloadLibrary(gLibGnomeUI);
|
|
gLibGnomeUI = nullptr;
|
|
}
|
|
if (gLibGnome) {
|
|
PR_UnloadLibrary(gLibGnome);
|
|
gLibGnome = nullptr;
|
|
}
|
|
if (gLibGnomeVFS) {
|
|
PR_UnloadLibrary(gLibGnomeVFS);
|
|
gLibGnomeVFS = nullptr;
|
|
}
|
|
#endif //MOZ_ENABLE_GNOMEUI
|
|
}
|