Sweden-Number/dlls/msi/events.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2005 Aric Stewart for CodeWeavers
*
* 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 2.1 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
*/
/*
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/controlevent_overview.asp
*/
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "msi.h"
#include "msipriv.h"
#include "action.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
typedef UINT (*EVENTHANDLER)(MSIPACKAGE*,LPCWSTR,msi_dialog *);
struct _events {
LPCSTR event;
EVENTHANDLER handler;
};
struct subscriber {
struct list entry;
LPWSTR event;
LPWSTR control;
LPWSTR attribute;
};
UINT ControlEvent_HandleControlEvent(MSIPACKAGE *, LPCWSTR, LPCWSTR, msi_dialog*);
/*
* Create a dialog box and run it if it's modal
*/
static UINT event_do_dialog( MSIPACKAGE *package, LPCWSTR name, BOOL destroy_modeless )
{
msi_dialog *dialog;
UINT r;
/* create a new dialog */
dialog = msi_dialog_create( package, name,
ControlEvent_HandleControlEvent );
if( dialog )
{
/* kill the current modeless dialog */
if( destroy_modeless && package->dialog )
{
msi_dialog_destroy( package->dialog );
package->dialog = NULL;
}
/* modeless dialogs return an error message */
r = msi_dialog_run_message_loop( dialog );
if( r == ERROR_SUCCESS )
msi_dialog_destroy( dialog );
else
package->dialog = dialog;
}
else
r = ERROR_FUNCTION_FAILED;
return r;
}
/*
* End a modal dialog box
*/
static UINT ControlEvent_EndDialog(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
static const WCHAR szExit[] = {
'E','x','i','t',0};
static const WCHAR szRetry[] = {
'R','e','t','r','y',0};
static const WCHAR szIgnore[] = {
'I','g','n','o','r','e',0};
static const WCHAR szReturn[] = {
'R','e','t','u','r','n',0};
if (lstrcmpW(argument,szExit)==0)
package->CurrentInstallState = ERROR_INSTALL_USEREXIT;
else if (lstrcmpW(argument, szRetry) == 0)
package->CurrentInstallState = ERROR_INSTALL_SUSPEND;
else if (lstrcmpW(argument, szIgnore) == 0)
package->CurrentInstallState = -1;
else if (lstrcmpW(argument, szReturn) == 0)
package->CurrentInstallState = ERROR_SUCCESS;
else
{
ERR("Unknown argument string %s\n",debugstr_w(argument));
package->CurrentInstallState = ERROR_FUNCTION_FAILED;
}
ControlEvent_CleanupSubscriptions(package);
msi_dialog_end_dialog( dialog );
return ERROR_SUCCESS;
}
/*
* transition from one modal dialog to another modal dialog
*/
static UINT ControlEvent_NewDialog(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog *dialog)
{
/* store the name of the next dialog, and signal this one to end */
package->next_dialog = strdupW(argument);
ControlEvent_CleanupSubscriptions(package);
msi_dialog_end_dialog( dialog );
return ERROR_SUCCESS;
}
/*
* Create a new child dialog of an existing modal dialog
*/
static UINT ControlEvent_SpawnDialog(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog *dialog)
{
/* don't destroy a modeless dialogs that might be our parent */
event_do_dialog( package, argument, FALSE );
if( package->CurrentInstallState != ERROR_SUCCESS )
msi_dialog_end_dialog( dialog );
return ERROR_SUCCESS;
}
/*
* Creates a dialog that remains up for a period of time
* based on a condition
*/
static UINT ControlEvent_SpawnWaitDialog(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
FIXME("Doing Nothing\n");
return ERROR_SUCCESS;
}
static UINT ControlEvent_DoAction(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
ACTION_PerformAction(package,argument,TRUE);
return ERROR_SUCCESS;
}
static UINT ControlEvent_AddLocal(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
static const WCHAR szAll[] = {'A','L','L',0};
int i;
if (lstrcmpW(szAll,argument))
{
MSI_SetFeatureStateW(package,argument,INSTALLSTATE_LOCAL);
}
else
{
for (i = 0; i < package->loaded_features; i++)
{
package->features[i].ActionRequest = INSTALLSTATE_LOCAL;
package->features[i].Action = INSTALLSTATE_LOCAL;
}
ACTION_UpdateComponentStates(package,argument);
}
return ERROR_SUCCESS;
}
static UINT ControlEvent_Remove(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
static const WCHAR szAll[] = {'A','L','L',0};
int i;
if (lstrcmpW(szAll,argument))
{
MSI_SetFeatureStateW(package,argument,INSTALLSTATE_ABSENT);
}
else
{
for (i = 0; i < package->loaded_features; i++)
{
package->features[i].ActionRequest = INSTALLSTATE_ABSENT;
package->features[i].Action= INSTALLSTATE_ABSENT;
}
ACTION_UpdateComponentStates(package,argument);
}
return ERROR_SUCCESS;
}
static UINT ControlEvent_AddSource(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
static const WCHAR szAll[] = {'A','L','L',0};
int i;
if (lstrcmpW(szAll,argument))
{
MSI_SetFeatureStateW(package,argument,INSTALLSTATE_SOURCE);
}
else
{
for (i = 0; i < package->loaded_features; i++)
{
package->features[i].ActionRequest = INSTALLSTATE_SOURCE;
package->features[i].Action = INSTALLSTATE_SOURCE;
}
ACTION_UpdateComponentStates(package,argument);
}
return ERROR_SUCCESS;
}
static UINT ControlEvent_SetTargetPath(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog* dialog)
{
LPWSTR path = load_dynamic_property(package,argument, NULL);
/* failure to set the path halts the executing of control events */
return MSI_SetTargetPathW(package, argument, path);
}
/*
* Subscribed events
*/
static void free_subscriber( struct subscriber *sub )
{
HeapFree(GetProcessHeap(),0,sub->event);
HeapFree(GetProcessHeap(),0,sub->control);
HeapFree(GetProcessHeap(),0,sub->attribute);
HeapFree(GetProcessHeap(),0,sub);
}
VOID ControlEvent_SubscribeToEvent( MSIPACKAGE *package, LPCWSTR event,
LPCWSTR control, LPCWSTR attribute )
{
struct subscriber *sub;
sub = HeapAlloc(GetProcessHeap(),0,sizeof (*sub));
if( !sub )
return;
sub->event = strdupW(event);
sub->control = strdupW(control);
sub->attribute = strdupW(attribute);
list_add_tail( &package->subscriptions, &sub->entry );
}
VOID ControlEvent_UnSubscribeToEvent( MSIPACKAGE *package, LPCWSTR event,
LPCWSTR control, LPCWSTR attribute )
{
struct list *i, *t;
struct subscriber *sub;
LIST_FOR_EACH_SAFE( i, t, &package->subscriptions )
{
sub = LIST_ENTRY( i, struct subscriber, entry );
if( lstrcmpiW(sub->control,control) )
continue;
if( lstrcmpiW(sub->attribute,attribute) )
continue;
if( lstrcmpiW(sub->event,event) )
continue;
list_remove( &sub->entry );
free_subscriber( sub );
}
}
VOID ControlEvent_FireSubscribedEvent( MSIPACKAGE *package, LPCWSTR event,
MSIRECORD *rec )
{
struct subscriber *sub;
TRACE("Firing Event %s\n",debugstr_w(event));
if (!package->dialog)
return;
LIST_FOR_EACH_ENTRY( sub, &package->subscriptions, struct subscriber, entry )
{
if (lstrcmpiW(sub->event, event))
continue;
msi_dialog_handle_event( package->dialog, sub->control,
sub->attribute, rec );
}
}
VOID ControlEvent_CleanupSubscriptions(MSIPACKAGE *package)
{
struct list *i, *t;
struct subscriber *sub;
LIST_FOR_EACH_SAFE( i, t, &package->subscriptions )
{
sub = LIST_ENTRY( i, struct subscriber, entry );
list_remove( &sub->entry );
free_subscriber( sub );
}
}
/*
* ACTION_DialogBox()
*
* Return ERROR_SUCCESS if dialog is process and ERROR_FUNCTION_FAILED
* if the given parameter is not a dialog box
*/
UINT ACTION_DialogBox( MSIPACKAGE* package, LPCWSTR szDialogName )
{
UINT r = ERROR_SUCCESS;
if( package->next_dialog )
ERR("Already a next dialog... ignoring it\n");
package->next_dialog = NULL;
/*
* Dialogs are chained by filling in the next_dialog member
* of the package structure, then terminating the current dialog.
* The code below sees the next_dialog member set, and runs the
* next dialog.
* We fall out of the loop below if we come across a modeless
* dialog, as it returns ERROR_IO_PENDING when we try to run
* its message loop.
*/
r = event_do_dialog( package, szDialogName, TRUE );
while( r == ERROR_SUCCESS && package->next_dialog )
{
LPWSTR name = package->next_dialog;
package->next_dialog = NULL;
r = event_do_dialog( package, name, TRUE );
HeapFree( GetProcessHeap(), 0, name );
}
if( r == ERROR_IO_PENDING )
r = ERROR_SUCCESS;
return r;
}
struct _events Events[] = {
{ "EndDialog",ControlEvent_EndDialog },
{ "NewDialog",ControlEvent_NewDialog },
{ "SpawnDialog",ControlEvent_SpawnDialog },
{ "SpawnWaitDialog",ControlEvent_SpawnWaitDialog },
{ "DoAction",ControlEvent_DoAction },
{ "AddLocal",ControlEvent_AddLocal },
{ "Remove",ControlEvent_Remove },
{ "AddSource",ControlEvent_AddSource },
{ "SetTargetPath",ControlEvent_SetTargetPath },
{ NULL,NULL },
};
UINT ControlEvent_HandleControlEvent(MSIPACKAGE *package, LPCWSTR event,
LPCWSTR argument, msi_dialog* dialog)
{
int i = 0;
UINT rc = ERROR_SUCCESS;
TRACE("Handling Control Event %s\n",debugstr_w(event));
if (!event)
return rc;
while( Events[i].event != NULL)
{
LPWSTR wevent = strdupAtoW(Events[i].event);
if (lstrcmpW(wevent,event)==0)
{
HeapFree(GetProcessHeap(),0,wevent);
rc = Events[i].handler(package,argument,dialog);
return rc;
}
HeapFree(GetProcessHeap(),0,wevent);
i++;
}
FIXME("unhandled control event %s arg(%s)\n",
debugstr_w(event), debugstr_w(argument));
return rc;
}