Introducing a private method for launching a Tracker addon as a stand-alone application. Updated TextSearch to use it. Matthijs Hollemans license is MIT. Not important for alphabranch.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32842 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-08-31 00:48:48 +00:00
parent b1c06fc64a
commit c5d2ebc76a
2 changed files with 72 additions and 70 deletions
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2009 Jonas Sundström, [email protected]
+ * 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;
+
+	if (be_roster->Launch(&addonRef, refs) != B_OK) {
+
+		// 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
+