haiku/headers/private/shared/TrackerAddOnAppLaunch.h

72 lines
2.2 KiB
C
Raw Normal View History

/*
* Copyright 2009 Jonas Sundström, jonas@kirilla.com
* Copyright 1998-2007 Matthijs Hollemans
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef _TRACKER_ADDON_APP_LAUNCH_H
#define _TRACKER_ADDON_APP_LAUNCH_H
#include <Entry.h>
#include <image.h>
#include <Roster.h>
#include <TrackerAddOn.h>
void
process_refs(entry_ref directory, BMessage* refs, void* reserved)
{
// When this header file is included by an application it becomes
// ready to be used as a Tracker add-on. This function will launch
// the application with the entry_refs given by Tracker to the addon.
// The "directory" entry_ref holds the entry_ref of the folder from where
// the addon was launched. If launched from a query it's probably invalid.
// The "refs" BMessage is a standard B_REFS_RECEIVED message whose
// "refs" array contains the entry_refs of the selected files.
// The last argument, "reserved", is currently unused.
refs->AddRef("dir_ref", &directory);
// The folder's entry_ref might be useful to some applications.
// We include it by a different name than the other entry_refs.
// It could be useful to know if an application got its refs as a
// Tracker addon. A B_REFS_RECEIVED message with a "dir_ref"
// provides such a hint.
// get the path of the Tracker add-on
image_info image;
int32 cookie = 0;
status_t status = get_next_image_info(0, &cookie, &image);
while (status == B_OK) {
if (((char*)process_refs >= (char*)image.text
&& (char*)process_refs <= (char*)image.text + image.text_size)
|| ((char*)process_refs >= (char*)image.data
&& (char*)process_refs <= (char*)image.data + image.data_size))
break;
status = get_next_image_info(0, &cookie, &image);
}
entry_ref addonRef;
if (get_ref_for_path(image.name, &addonRef) != B_OK)
return;
status = be_roster->Launch(&addonRef, refs);
if (status == B_OK || status == B_ALREADY_RUNNING)
return;
// If launching by entry_ref fails it's probably futile to
// launch by signature this way, but we can try anyway.
app_info appInfo;
if (be_roster->GetAppInfo(&addonRef, &appInfo) != B_OK)
return;
be_roster->Launch(appInfo.signature, refs);
}
#endif // _TRACKER_ADDON_APP_LAUNCH_H