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glib/gio/gwin32appinfo.c
Ryan Lortie 5b946e0504 gio/: fully remove gioalias hacks
2010-07-07 19:53:22 -04:00

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <string.h>
#include "gcontenttypeprivate.h"
#include "gwin32appinfo.h"
#include "gappinfo.h"
#include "gioerror.h"
#include "gfile.h"
#include <glib/gstdio.h>
#include "glibintl.h"
#include <windows.h>
#include <shlwapi.h>
#ifndef ASSOCF_INIT_BYEXENAME
#define ASSOCF_INIT_BYEXENAME 0x00000002
#endif
/* These were wrong in MingW */
#define REAL_ASSOCSTR_COMMAND 1
#define REAL_ASSOCSTR_EXECUTABLE 2
#define REAL_ASSOCSTR_FRIENDLYDOCNAME 3
#define REAL_ASSOCSTR_FRIENDLYAPPNAME 4
#ifndef AssocQueryString
#pragma message("AssocQueryString not available with SDK used")
#endif
static void g_win32_app_info_iface_init (GAppInfoIface *iface);
struct _GWin32AppInfo
{
GObject parent_instance;
wchar_t *id;
char *id_utf8;
gboolean id_is_exename;
char *executable;
char *name;
gboolean no_open_with;
};
G_DEFINE_TYPE_WITH_CODE (GWin32AppInfo, g_win32_app_info, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_APP_INFO,
g_win32_app_info_iface_init))
static void
g_win32_app_info_finalize (GObject *object)
{
GWin32AppInfo *info;
info = G_WIN32_APP_INFO (object);
g_free (info->id);
g_free (info->id_utf8);
g_free (info->name);
g_free (info->executable);
G_OBJECT_CLASS (g_win32_app_info_parent_class)->finalize (object);
}
static void
g_win32_app_info_class_init (GWin32AppInfoClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = g_win32_app_info_finalize;
}
static void
g_win32_app_info_init (GWin32AppInfo *local)
{
}
static GAppInfo *
g_desktop_app_info_new_from_id (wchar_t *id /* takes ownership */,
gboolean id_is_exename)
{
#ifdef AssocQueryString
ASSOCF flags;
#endif
wchar_t buffer[1024];
DWORD buffer_size;
GWin32AppInfo *info;
HKEY app_key;
info = g_object_new (G_TYPE_WIN32_APP_INFO, NULL);
info->id = id; /* Takes ownership */
info->id_utf8 = g_utf16_to_utf8 (id, -1, NULL, NULL, NULL);
info->id_is_exename = id_is_exename;
#ifdef AssocQueryString
flags = 0;
if (id_is_exename)
flags |= ASSOCF_INIT_BYEXENAME;
buffer_size = 1024;
if (AssocQueryStringW(flags,
REAL_ASSOCSTR_EXECUTABLE,
id,
NULL,
buffer,
&buffer_size) == S_OK)
info->executable = g_utf16_to_utf8 (buffer, -1, NULL, NULL, NULL);
buffer_size = 1024;
if (AssocQueryStringW(flags,
REAL_ASSOCSTR_FRIENDLYAPPNAME,
id,
NULL,
buffer,
&buffer_size) == S_OK)
info->name = g_utf16_to_utf8 (buffer, -1, NULL, NULL, NULL);
#endif
if (info->name == NULL)
{
/* TODO: Should look up name from executable resources */
if (info->executable)
info->name = g_path_get_basename (info->executable);
else
info->name = g_strdup (info->id_utf8);
}
#ifdef AssocQueryString
if (AssocQueryKeyW(flags,
ASSOCKEY_APP,
info->id,
NULL,
&app_key) == S_OK)
{
if (RegQueryValueExW (app_key, L"NoOpenWith", 0,
NULL, NULL, NULL) == ERROR_SUCCESS)
info->no_open_with = TRUE;
RegCloseKey (app_key);
}
#endif
return G_APP_INFO (info);
}
static wchar_t *
dup_wstring (wchar_t *str)
{
gsize len;
for (len = 0; str[len] != 0; len++)
;
return (wchar_t *)g_memdup (str, (len + 1) * 2);
}
static GAppInfo *
g_win32_app_info_dup (GAppInfo *appinfo)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
GWin32AppInfo *new_info;
new_info = g_object_new (G_TYPE_WIN32_APP_INFO, NULL);
new_info->id = dup_wstring (info->id);
new_info->id_utf8 = g_strdup (info->id_utf8);
new_info->id_is_exename = info->id_is_exename;
new_info->name = g_strdup (info->name);
new_info->executable = g_strdup (info->executable);
new_info->no_open_with = info->no_open_with;
return G_APP_INFO (new_info);
}
static gboolean
g_win32_app_info_equal (GAppInfo *appinfo1,
GAppInfo *appinfo2)
{
GWin32AppInfo *info1 = G_WIN32_APP_INFO (appinfo1);
GWin32AppInfo *info2 = G_WIN32_APP_INFO (appinfo2);
if (info1->executable == NULL ||
info2->executable == NULL)
return FALSE;
return strcmp (info1->executable, info2->executable) == 0;
}
static const char *
g_win32_app_info_get_id (GAppInfo *appinfo)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
return info->id_utf8;
}
static const char *
g_win32_app_info_get_name (GAppInfo *appinfo)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
if (info->name == NULL)
return _("Unnamed");
return info->name;
}
static const char *
g_win32_app_info_get_description (GAppInfo *appinfo)
{
/* Win32 has no app descriptions */
return NULL;
}
static const char *
g_win32_app_info_get_executable (GAppInfo *appinfo)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
return info->executable;
}
static GIcon *
g_win32_app_info_get_icon (GAppInfo *appinfo)
{
/* GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo); */
/* TODO: How to handle icons */
return NULL;
}
static gboolean
g_win32_app_info_launch (GAppInfo *appinfo,
GList *files,
GAppLaunchContext *launch_context,
GError **error)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
#ifdef AssocQueryString
ASSOCF flags;
#endif
HKEY class_key;
SHELLEXECUTEINFOW exec_info = {0};
GList *l;
/* TODO: What might startup_id mean on win32? */
#ifdef AssocQueryString
flags = 0;
if (info->id_is_exename)
flags |= ASSOCF_INIT_BYEXENAME;
if (AssocQueryKeyW (flags,
ASSOCKEY_SHELLEXECCLASS,
info->id,
NULL,
&class_key) != S_OK)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Can't find application"));
return FALSE;
}
#endif
for (l = files; l != NULL; l = l->next)
{
char *path = g_file_get_path (l->data);
wchar_t *wfilename = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
g_free (path);
memset (&exec_info, 0, sizeof (exec_info));
exec_info.cbSize = sizeof (exec_info);
exec_info.fMask = SEE_MASK_FLAG_DDEWAIT | SEE_MASK_CLASSKEY;
exec_info.lpFile = wfilename;
exec_info.nShow = SW_SHOWNORMAL;
exec_info.hkeyClass = class_key;
if (!ShellExecuteExW (&exec_info))
{
char *message_utf8 = g_win32_error_message (GetLastError ());
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Error launching application: %s"), message_utf8);
g_free (message_utf8);
g_free (wfilename);
RegCloseKey (class_key);
return FALSE;
}
g_free (wfilename);
}
RegCloseKey (class_key);
return TRUE;
}
static gboolean
g_win32_app_info_supports_uris (GAppInfo *appinfo)
{
return FALSE;
}
static gboolean
g_win32_app_info_supports_files (GAppInfo *appinfo)
{
return TRUE;
}
static gboolean
g_win32_app_info_launch_uris (GAppInfo *appinfo,
GList *uris,
GAppLaunchContext *launch_context,
GError **error)
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("URIs not supported"));
return FALSE;
}
static gboolean
g_win32_app_info_should_show (GAppInfo *appinfo)
{
GWin32AppInfo *info = G_WIN32_APP_INFO (appinfo);
if (info->no_open_with)
return FALSE;
return TRUE;
}
static gboolean
g_win32_app_info_set_as_default_for_type (GAppInfo *appinfo,
const char *content_type,
GError **error)
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("association changes not supported on win32"));
return FALSE;
}
GAppInfo *
g_app_info_create_from_commandline (const char *commandline,
const char *application_name,
GAppInfoCreateFlags flags,
GError **error)
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Association creation not supported on win32"));
return NULL;
}
static void
g_win32_app_info_iface_init (GAppInfoIface *iface)
{
iface->dup = g_win32_app_info_dup;
iface->equal = g_win32_app_info_equal;
iface->get_id = g_win32_app_info_get_id;
iface->get_name = g_win32_app_info_get_name;
iface->get_description = g_win32_app_info_get_description;
iface->get_executable = g_win32_app_info_get_executable;
iface->get_icon = g_win32_app_info_get_icon;
iface->launch = g_win32_app_info_launch;
iface->supports_uris = g_win32_app_info_supports_uris;
iface->supports_files = g_win32_app_info_supports_files;
iface->launch_uris = g_win32_app_info_launch_uris;
iface->should_show = g_win32_app_info_should_show;
iface->set_as_default_for_type = g_win32_app_info_set_as_default_for_type;
}
static void
enumerate_open_with_list (HKEY dir_key,
GList **prognames)
{
DWORD index;
wchar_t name[256];
DWORD name_len, nbytes;
wchar_t data[256];
wchar_t *data_alloc;
DWORD type;
/* Must also look inside for a,b,c, + MRUList */
index = 0;
name_len = 256;
nbytes = sizeof (data) - 2;
while (RegEnumValueW (dir_key,
index,
name,
&name_len,
0,
&type,
(LPBYTE)data,
&nbytes) == ERROR_SUCCESS)
{
data[nbytes/2] = '\0';
if (type == REG_SZ &&
/* Ignore things like MRUList, just look at 'a', 'b', 'c', etc */
name_len == 1)
{
data_alloc = (wchar_t *)g_memdup (data, nbytes + 2);
data_alloc[nbytes/2] = 0;
*prognames = g_list_prepend (*prognames, data_alloc);
}
index++;
name_len = 256;
nbytes = sizeof (data) - 2;
}
index = 0;
name_len = 256;
while (RegEnumKeyExW (dir_key,
index,
name,
&name_len,
NULL,
NULL,
NULL,
NULL) == ERROR_SUCCESS)
{
*prognames = g_list_prepend (*prognames, g_memdup (name, (name_len + 1) * 2));
index++;
name_len = 256;
}
}
static void
enumerate_open_with_progids (HKEY dir_key,
GList **progids)
{
DWORD index;
wchar_t name[256];
DWORD name_len, type;
index = 0;
name_len = 256;
while (RegEnumValueW (dir_key,
index,
name,
&name_len,
0,
&type,
NULL,
0) == ERROR_SUCCESS)
{
*progids = g_list_prepend (*progids, g_memdup (name, (name_len + 1) * 2));
index++;
name_len = 256;
}
}
static void
enumerate_open_with_root (HKEY dir_key,
GList **progids,
GList **prognames)
{
HKEY reg_key = NULL;
if (RegOpenKeyExW (dir_key, L"OpenWithList", 0,
KEY_READ, &reg_key) == ERROR_SUCCESS)
{
enumerate_open_with_list (reg_key, prognames);
RegCloseKey (reg_key);
}
if (RegOpenKeyExW (dir_key, L"OpenWithProgids", 0,
KEY_QUERY_VALUE, &reg_key) == ERROR_SUCCESS)
{
enumerate_open_with_progids (reg_key, progids);
RegCloseKey (reg_key);
}
}
static gboolean
app_info_in_list (GAppInfo *info,
GList *list)
{
while (list != NULL)
{
if (g_app_info_equal (info, list->data))
return TRUE;
list = list->next;
}
return FALSE;
}
GList *
g_app_info_get_all_for_type (const char *content_type)
{
GList *progids = NULL;
GList *prognames = NULL;
HKEY reg_key, sys_file_assoc_key, reg_key2;
wchar_t percieved_type[128];
DWORD nchars, key_type;
wchar_t *wc_key;
GList *l;
GList *infos;
wc_key = g_utf8_to_utf16 (content_type, -1, NULL, NULL, NULL);
if (RegOpenKeyExW (HKEY_CLASSES_ROOT, wc_key, 0,
KEY_QUERY_VALUE, &reg_key) == ERROR_SUCCESS)
{
enumerate_open_with_root (reg_key, &progids, &prognames);
nchars = sizeof (percieved_type) / sizeof(wchar_t);
if (RegQueryValueExW (reg_key, L"PerceivedType", 0,
&key_type, (LPBYTE) percieved_type, &nchars) == ERROR_SUCCESS)
{
if (key_type == REG_SZ &&
RegOpenKeyExW (HKEY_CLASSES_ROOT, L"SystemFileAssociations", 0,
KEY_QUERY_VALUE, &sys_file_assoc_key) == ERROR_SUCCESS)
{
if (RegOpenKeyExW (sys_file_assoc_key, percieved_type, 0,
KEY_QUERY_VALUE, &reg_key2) == ERROR_SUCCESS)
{
enumerate_open_with_root (reg_key2, &progids, &prognames);
RegCloseKey (reg_key2);
}
RegCloseKey (sys_file_assoc_key);
}
}
RegCloseKey (reg_key);
}
if (RegOpenKeyExW (HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts", 0,
KEY_QUERY_VALUE, &reg_key) == ERROR_SUCCESS)
{
if (RegOpenKeyExW (reg_key, wc_key, 0,
KEY_QUERY_VALUE, &reg_key2) == ERROR_SUCCESS)
{
enumerate_open_with_root (reg_key2, &progids, &prognames);
RegCloseKey (reg_key2);
}
RegCloseKey (reg_key);
}
infos = NULL;
for (l = prognames; l != NULL; l = l->next)
{
GAppInfo *info;
/* l->data ownership is taken */
info = g_desktop_app_info_new_from_id ((wchar_t *)l->data, TRUE);
if (app_info_in_list (info, infos))
g_object_unref (info);
else
infos = g_list_prepend (infos, info);
}
g_list_free (prognames);
for (l = progids; l != NULL; l = l->next)
{
GAppInfo *info;
/* l->data ownership is taken */
info = g_desktop_app_info_new_from_id ((wchar_t *)l->data, FALSE);
if (app_info_in_list (info, infos))
g_object_unref (info);
else
infos = g_list_prepend (infos, info);
}
g_list_free (progids);
g_free (wc_key);
return g_list_reverse (infos);
}
GAppInfo *
g_app_info_get_default_for_type (const char *content_type,
gboolean must_support_uris)
{
wchar_t *wtype;
wchar_t buffer[1024];
DWORD buffer_size;
wtype = g_utf8_to_utf16 (content_type, -1, NULL, NULL, NULL);
/* Verify that we have some sort of app registered for this type */
#ifdef AssocQueryString
buffer_size = 1024;
if (AssocQueryStringW (0,
REAL_ASSOCSTR_COMMAND,
wtype,
NULL,
buffer,
&buffer_size) == S_OK)
/* Takes ownership of wtype */
return g_desktop_app_info_new_from_id (wtype, FALSE);
#endif
g_free (wtype);
return NULL;
}
GAppInfo *
g_app_info_get_default_for_uri_scheme (const char *uri_scheme)
{
/* TODO: Implement */
return NULL;
}
GList *
g_app_info_get_all (void)
{
DWORD index;
wchar_t name[256];
DWORD name_len;
HKEY reg_key;
GList *infos;
GAppInfo *info;
if (RegOpenKeyExW (HKEY_CLASSES_ROOT, L"Applications", 0,
KEY_READ, &reg_key) != ERROR_SUCCESS)
return NULL;
infos = NULL;
index = 0;
name_len = 256;
while (RegEnumKeyExW (reg_key,
index,
name,
&name_len,
NULL,
NULL,
NULL,
NULL) == ERROR_SUCCESS)
{
wchar_t *name_dup = g_memdup (name, (name_len+1)*2);
/* name_dup ownership is taken */
info = g_desktop_app_info_new_from_id (name_dup, TRUE);
infos = g_list_prepend (infos, info);
index++;
name_len = 256;
}
RegCloseKey (reg_key);
return g_list_reverse (infos);
}
void
g_app_info_reset_type_associations (const char *content_type)
{
/* nothing to do */
}
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