Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32842 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jonas Sundström 2009-08-31 00:48:48 +00:00
parent b1c06fc64a
commit c5d2ebc76a
2 changed files with 72 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
headers/private/shared/TrackerAddOnAppLaunch.h Normal file
View File

@ -0,0 +1,70 @@
/*
* 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;
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

72
src/apps/text_search/TextSearch.cpp
View File

@ -1,34 +1,11 @@
/*
* Copyright (c) 1998-2007 Matthijs Hollemans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
* All rights reserved. Distributed under the terms of the MIT License.
*/
// NOTE: This code is the same in DiskUsge. Maybe it could be made
// into some kind of common base class?
#include "GrepApp.h"
#include <AppFileInfo.h>
#include <Entry.h>
#include <Roster.h>
#include <TrackerAddOn.h>
#include <TrackerAddOnAppLaunch.h>
#include "GlobalDefs.h"
@ -41,48 +18,3 @@ main()
return 0;
}
void
process_refs(entry_ref dirRef, BMessage *message, void* /*reserved*/)
{
// Tracker calls this function when the user invokes the add-on.
// "dir_ref" contains the entry_ref of the current directory.
// "message" is a standard B_REFS_RECEIVED BMessage whose "refs"
// array contains the entry_refs of the selected files. The last
// argument, "reserved", is currently unused.
// This version of TextSearch is a Tracker add-on, but primarily
// it is a stand-alone application. The add-on launches the app
// on the set of files you had selected in Tracker. That way you
// get the benefits of the Tracker add-on with the benefits of the
// stand-alone application.
message->AddRef("dir_ref", &dirRef);
// 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) {
// It's better to launch the application by its entry
// than by its application signature. There may be
// multiple instances and we would not be certain
// that the desired one is launched - the one which was
// loaded into Tracker and whose process_refs() was called.
be_roster->Launch(&addonRef, message);
} else
be_roster->Launch(APP_SIGNATURE, message);
}