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cb994350c4
This function can create long delays when used on disconnected or just weird volumes. Use IShellFolder::GetDisplayNameOf() instead. Fixes #2096
540 lines
16 KiB
C
540 lines
16 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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* Copyright (C) 2008 Hans Breuer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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* David Zeuthen <davidz@redhat.com>
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* Hans Breuer <hans@breuer.org>
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*/
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#include "config.h"
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#include <string.h>
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#define WIN32_MEAN_AND_LEAN
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#define COBJMACROS
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#include <windows.h>
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#include <shlobj.h>
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#include <shlwapi.h>
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/* At the moment of writing IExtractIconW interface in Mingw-w64
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* is missing IUnknown members in its vtable. Use our own
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* fixed declaration for now.
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*/
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#undef INTERFACE
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#define INTERFACE IMyExtractIconW
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DECLARE_INTERFACE_(IMyExtractIconW,IUnknown)
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{
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/*** IUnknown methods ***/
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STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
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STDMETHOD_(ULONG,AddRef)(THIS) PURE;
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STDMETHOD_(ULONG,Release)(THIS) PURE;
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/*** IMyExtractIconW methods ***/
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STDMETHOD(GetIconLocation)(THIS_ UINT uFlags, LPWSTR pszIconFile, UINT cchMax, int *piIndex, PUINT pwFlags) PURE;
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STDMETHOD(Extract)(THIS_ LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize) PURE;
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};
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#undef INTERFACE
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#if !defined(__cplusplus) || defined(CINTERFACE)
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/*** IUnknown methods ***/
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#define IMyExtractIconW_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b)
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#define IMyExtractIconW_AddRef(p) (p)->lpVtbl->AddRef(p)
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#define IMyExtractIconW_Release(p) (p)->lpVtbl->Release(p)
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/*** IMyExtractIconW methods ***/
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#define IMyExtractIconW_GetIconLocation(p,a,b,c,d,e) (p)->lpVtbl->GetIconLocation(p,a,b,c,d,e)
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#define IMyExtractIconW_Extract(p,a,b,c,d,e) (p)->lpVtbl->Extract(p,a,b,c,d,e)
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#else
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/*** IUnknown methods ***/
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#define IMyExtractIconW_QueryInterface(p,a,b) (p)->QueryInterface(a,b)
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#define IMyExtractIconW_AddRef(p) (p)->AddRef()
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#define IMyExtractIconW_Release(p) (p)->Release()
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/*** IMyExtractIconW methods ***/
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#define IMyExtractIconW_GetIconLocation(p,a,b,c,d,e) (p)->GetIconLocation(p,a,b,c,d,e)
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#define IMyExtractIconW_Extract(p,a,b,c,d,e) (p)->Extract(p,a,b,c,d,e)
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#endif
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#include <glib.h>
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#include "gwin32volumemonitor.h"
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#include "gwin32mount.h"
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#include "gmount.h"
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#include "gfile.h"
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#include "gmountprivate.h"
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#include "gvolumemonitor.h"
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#include "gthemedicon.h"
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#include "glibintl.h"
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struct _GWin32Mount {
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GObject parent;
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GVolumeMonitor *volume_monitor;
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GWin32Volume *volume; /* owned by volume monitor */
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int drive_type;
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/* why does all this stuff need to be duplicated? It is in volume already! */
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char *name;
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GIcon *icon;
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GIcon *symbolic_icon;
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char *mount_path;
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gboolean can_eject;
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};
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static void g_win32_mount_mount_iface_init (GMountIface *iface);
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#define g_win32_mount_get_type _g_win32_mount_get_type
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G_DEFINE_TYPE_WITH_CODE (GWin32Mount, g_win32_mount, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_MOUNT,
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g_win32_mount_mount_iface_init))
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static void
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g_win32_mount_finalize (GObject *object)
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{
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GWin32Mount *mount;
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mount = G_WIN32_MOUNT (object);
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if (mount->volume_monitor != NULL)
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g_object_unref (mount->volume_monitor);
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#if 0
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if (mount->volume)
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_g_win32_volume_unset_mount (mount->volume, mount);
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#endif
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/* TODO: g_warn_if_fail (volume->volume == NULL); */
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if (mount->icon != NULL)
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g_object_unref (mount->icon);
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if (mount->symbolic_icon != NULL)
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g_object_unref (mount->symbolic_icon);
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g_free (mount->name);
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g_free (mount->mount_path);
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if (G_OBJECT_CLASS (g_win32_mount_parent_class)->finalize)
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(*G_OBJECT_CLASS (g_win32_mount_parent_class)->finalize) (object);
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}
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static void
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g_win32_mount_class_init (GWin32MountClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = g_win32_mount_finalize;
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}
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static void
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g_win32_mount_init (GWin32Mount *win32_mount)
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{
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}
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/* wdrive doesn't need to end with a path separator.
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wdrive must use backslashes as path separators, not slashes.
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IShellFolder::ParseDisplayName() takes non-const string as input,
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so wdrive can't be a const string.
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Returns the name on success (free with g_free),
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NULL otherwise.
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*/
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static gchar *
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get_mount_display_name (gunichar2 *wdrive)
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{
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IShellFolder *desktop;
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PIDLIST_RELATIVE volume;
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STRRET volume_name;
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gchar *result = NULL;
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/* Get the desktop folder object reference */
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if (!SUCCEEDED (SHGetDesktopFolder (&desktop)))
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return result;
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if (SUCCEEDED (IShellFolder_ParseDisplayName (desktop, NULL, NULL, wdrive, NULL, &volume, NULL)))
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{
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volume_name.uType = STRRET_WSTR;
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if (SUCCEEDED (IShellFolder_GetDisplayNameOf (desktop, volume, SHGDN_FORADDRESSBAR, &volume_name)))
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{
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wchar_t *volume_name_wchar;
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if (SUCCEEDED (StrRetToStrW (&volume_name, volume, &volume_name_wchar)))
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{
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result = g_utf16_to_utf8 (volume_name_wchar, -1, NULL, NULL, NULL);
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CoTaskMemFree (volume_name_wchar);
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}
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}
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CoTaskMemFree (volume);
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}
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IShellFolder_Release (desktop);
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return result;
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}
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static gchar *
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_win32_get_displayname (const char *drive)
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{
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gunichar2 *wdrive = g_utf8_to_utf16 (drive, -1, NULL, NULL, NULL);
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gchar *name = get_mount_display_name (wdrive);
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g_free (wdrive);
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return name ? name : g_strdup (drive);
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}
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/*
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* _g_win32_mount_new:
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* @volume_monitor: a #GVolumeMonitor.
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* @path: a win32 path.
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* @volume: usually NULL
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*
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* Returns: a #GWin32Mount for the given win32 path.
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**/
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GWin32Mount *
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_g_win32_mount_new (GVolumeMonitor *volume_monitor,
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const char *path,
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GWin32Volume *volume)
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{
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GWin32Mount *mount;
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const gchar *drive = path; //fixme
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WCHAR *drive_utf16;
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drive_utf16 = g_utf8_to_utf16 (drive, -1, NULL, NULL, NULL);
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#if 0
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/* No volume for mount: Ignore internal things */
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if (volume == NULL && !g_win32_mount_guess_should_display (mount_entry))
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return NULL;
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#endif
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mount = g_object_new (G_TYPE_WIN32_MOUNT, NULL);
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mount->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
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mount->mount_path = g_strdup (path);
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mount->drive_type = GetDriveTypeW (drive_utf16);
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mount->can_eject = FALSE; /* TODO */
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mount->name = _win32_get_displayname (drive);
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/* need to do this last */
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mount->volume = volume;
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#if 0
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if (volume != NULL)
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_g_win32_volume_set_mount (volume, mount);
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#endif
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g_free (drive_utf16);
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return mount;
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}
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void
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_g_win32_mount_unmounted (GWin32Mount *mount)
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{
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if (mount->volume != NULL)
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{
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#if 0
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_g_win32_volume_unset_mount (mount->volume, mount);
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#endif
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mount->volume = NULL;
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g_signal_emit_by_name (mount, "changed");
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/* there's really no need to emit mount_changed on the volume monitor
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* as we're going to be deleted.. */
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}
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}
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void
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_g_win32_mount_unset_volume (GWin32Mount *mount,
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GWin32Volume *volume)
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{
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if (mount->volume == volume)
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{
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mount->volume = NULL;
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/* TODO: Emit changed in idle to avoid locking issues */
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g_signal_emit_by_name (mount, "changed");
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if (mount->volume_monitor != NULL)
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g_signal_emit_by_name (mount->volume_monitor, "mount-changed", mount);
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}
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}
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static GFile *
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g_win32_mount_get_root (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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return g_file_new_for_path (win32_mount->mount_path);
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}
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static const char *
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_win32_drive_type_to_icon (int type, gboolean use_symbolic)
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{
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switch (type)
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{
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case DRIVE_REMOVABLE : return use_symbolic ? "drive-removable-media-symbolic" : "drive-removable-media";
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case DRIVE_FIXED : return use_symbolic ? "drive-harddisk-symbolic" : "drive-harddisk";
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case DRIVE_REMOTE : return use_symbolic ? "folder-remote-symbolic" : "folder-remote";
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case DRIVE_CDROM : return use_symbolic ? "drive-optical-symbolic" : "drive-optical";
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default : return use_symbolic ? "folder-symbolic" : "folder";
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}
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}
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/* mount_path doesn't need to end with a path separator.
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mount_path must use backslashes as path separators, not slashes.
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IShellFolder::ParseDisplayName() takes non-const string as input,
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so mount_path can't be a const string.
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result_name and result_index must not be NULL.
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Returns TRUE when result_name is set (free with g_free),
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FALSE otherwise.
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*/
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static gboolean
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get_icon_name_index (wchar_t *mount_path,
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wchar_t **result_name,
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int *result_index)
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{
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IShellFolder *desktop;
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PIDLIST_RELATIVE volume;
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IShellFolder *volume_parent;
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PCUITEMID_CHILD volume_relative;
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IMyExtractIconW *eicon;
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int icon_index;
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UINT icon_flags;
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wchar_t *name_buffer;
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gsize name_buffer_size;
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gsize arbitrary_reasonable_limit = 5000;
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gboolean result = FALSE;
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*result_name = NULL;
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/* Get the desktop folder object reference */
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if (!SUCCEEDED (SHGetDesktopFolder (&desktop)))
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return FALSE;
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/* Construct the volume IDList relative to desktop */
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if (SUCCEEDED (IShellFolder_ParseDisplayName (desktop, NULL, NULL, mount_path, NULL, &volume, NULL)))
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{
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/* Get the parent of the volume (transfer-full) and the IDList relative to parent (transfer-none) */
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if (SUCCEEDED (SHBindToParent (volume, &IID_IShellFolder, (void **) &volume_parent, &volume_relative)))
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{
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/* Get a reference to IExtractIcon object for the volume */
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if (SUCCEEDED (IShellFolder_GetUIObjectOf (volume_parent, NULL, 1, (LPCITEMIDLIST *) &volume_relative, &IID_IExtractIconW, NULL, (void **) &eicon)))
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{
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gboolean keep_going = TRUE;
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name_buffer = NULL;
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name_buffer_size = MAX_PATH / 2;
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while (keep_going)
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{
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name_buffer_size *= 2;
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name_buffer = g_renew (wchar_t, name_buffer, name_buffer_size);
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name_buffer[name_buffer_size - 1] = 0x1; /* sentinel */
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keep_going = FALSE;
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/* Try to get the icon location */
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if (SUCCEEDED (IMyExtractIconW_GetIconLocation (eicon, GIL_FORSHELL, name_buffer, name_buffer_size, &icon_index, &icon_flags)))
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{
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if (name_buffer[name_buffer_size - 1] != 0x1)
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{
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if (name_buffer_size < arbitrary_reasonable_limit)
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{
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/* Buffer was too small, keep going */
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keep_going = TRUE;
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continue;
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}
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/* Else stop trying */
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}
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/* name_buffer might not contain a name */
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else if ((icon_flags & GIL_NOTFILENAME) != GIL_NOTFILENAME)
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{
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*result_name = g_steal_pointer (&name_buffer);
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*result_index = icon_index;
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result = TRUE;
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}
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}
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}
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g_free (name_buffer);
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IMyExtractIconW_Release (eicon);
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}
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IShellFolder_Release (volume_parent);
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}
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CoTaskMemFree (volume);
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}
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IShellFolder_Release (desktop);
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return result;
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}
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static GIcon *
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g_win32_mount_get_icon (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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g_return_val_if_fail (win32_mount->mount_path != NULL, NULL);
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/* lazy creation */
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if (!win32_mount->icon)
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{
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wchar_t *icon_path;
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int icon_index;
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wchar_t *p;
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wchar_t *wfn = g_utf8_to_utf16 (win32_mount->mount_path, -1, NULL, NULL, NULL);
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for (p = wfn; p != NULL && *p != 0; p++)
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if (*p == L'/')
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*p = L'\\';
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if (get_icon_name_index (wfn, &icon_path, &icon_index))
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{
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gchar *id = g_strdup_printf ("%S,%i", icon_path, icon_index);
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g_free (icon_path);
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win32_mount->icon = g_themed_icon_new (id);
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g_free (id);
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}
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else
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{
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win32_mount->icon = g_themed_icon_new_with_default_fallbacks (_win32_drive_type_to_icon (win32_mount->drive_type, FALSE));
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}
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}
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return g_object_ref (win32_mount->icon);
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}
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static GIcon *
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g_win32_mount_get_symbolic_icon (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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g_return_val_if_fail (win32_mount->mount_path != NULL, NULL);
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/* lazy creation */
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if (!win32_mount->symbolic_icon)
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{
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win32_mount->symbolic_icon = g_themed_icon_new_with_default_fallbacks (_win32_drive_type_to_icon (win32_mount->drive_type, TRUE));
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}
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return g_object_ref (win32_mount->symbolic_icon);
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}
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static char *
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g_win32_mount_get_uuid (GMount *mount)
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{
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return NULL;
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}
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static char *
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g_win32_mount_get_name (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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return g_strdup (win32_mount->name);
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}
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static GDrive *
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g_win32_mount_get_drive (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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if (win32_mount->volume != NULL)
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return g_volume_get_drive (G_VOLUME (win32_mount->volume));
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return NULL;
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}
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static GVolume *
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g_win32_mount_get_volume (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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if (win32_mount->volume)
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return G_VOLUME (g_object_ref (win32_mount->volume));
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return NULL;
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}
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static gboolean
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g_win32_mount_can_unmount (GMount *mount)
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{
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return FALSE;
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}
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static gboolean
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g_win32_mount_can_eject (GMount *mount)
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{
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GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
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return win32_mount->can_eject;
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}
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typedef struct {
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GWin32Mount *win32_mount;
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GAsyncReadyCallback callback;
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gpointer user_data;
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GCancellable *cancellable;
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int error_fd;
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GIOChannel *error_channel;
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guint error_channel_source_id;
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GString *error_string;
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} UnmountEjectOp;
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static void
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g_win32_mount_unmount (GMount *mount,
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GMountUnmountFlags flags,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
g_win32_mount_unmount_finish (GMount *mount,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
g_win32_mount_eject (GMount *mount,
|
|
GMountUnmountFlags flags,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
g_win32_mount_eject_finish (GMount *mount,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
g_win32_mount_mount_iface_init (GMountIface *iface)
|
|
{
|
|
iface->get_root = g_win32_mount_get_root;
|
|
iface->get_name = g_win32_mount_get_name;
|
|
iface->get_icon = g_win32_mount_get_icon;
|
|
iface->get_symbolic_icon = g_win32_mount_get_symbolic_icon;
|
|
iface->get_uuid = g_win32_mount_get_uuid;
|
|
iface->get_drive = g_win32_mount_get_drive;
|
|
iface->get_volume = g_win32_mount_get_volume;
|
|
iface->can_unmount = g_win32_mount_can_unmount;
|
|
iface->can_eject = g_win32_mount_can_eject;
|
|
iface->unmount = g_win32_mount_unmount;
|
|
iface->unmount_finish = g_win32_mount_unmount_finish;
|
|
iface->eject = g_win32_mount_eject;
|
|
iface->eject_finish = g_win32_mount_eject_finish;
|
|
}
|