haiku-beta6/src/apps/processcontroller/PCWorld.cpp

/*
	PCWorld.cpp

	ProcessController © 2000, Georges-Edouard Berenger, All Rights Reserved.
	Copyright (C) 2004 beunited.org

	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
*/


#include "PCWorld.h"
#include "PCWindow.h"
#include "Preferences.h"
#include "ProcessController.h"
#include "Utilities.h"

#include <Alert.h>
#include <Application.h>
#include <Deskbar.h>
#include <Roster.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

class PCApplication : public BApplication {
	public:
						PCApplication();
		virtual			~PCApplication();

		virtual	void	ReadyToRun();
		virtual	void	ArgvReceived(int32 argc, char **argv);
};


const char* kSignature = "application/x-vnd.Geb-ProcessController";
const char* kTrackerSig = "application/x-vnd.Be-TRAK";
const char* kDeskbarSig = "application/x-vnd.Be-TSKB";
const char* kTerminalSig = "application/x-vnd.Haiku-Terminal";
const char* kPreferencesFileName = "ProcessController Prefs";

const char*	kPosPrefName = "Position";
const char*	kVersionName = "Version";
const int kCurrentVersion = 311;

thread_id id = 0;


PCApplication::PCApplication()
	: BApplication(kSignature)
{
}


PCApplication::~PCApplication()
{
	if (id) {
		status_t returnValue;
		wait_for_thread(id, &returnValue);
	}
}


void
PCApplication::ReadyToRun()
{
	Preferences preferences(kPreferencesFileName);
	int32 version = 0;
	preferences.ReadInt32(version, kVersionName);
	if (version != kCurrentVersion) {
		BAlert* alert = new BAlert("", "Do you want ProcessController to live in the Deskbar?",
			"Don't", "Install", NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
		alert->SetShortcut(0, B_ESCAPE);

		if (alert->Go()) {
			bool hasOne = false;
			{
				BDeskbar deskbar;
				if (deskbar.HasItem(kDeskbarItemName))
					hasOne = true;
			}

			if (hasOne) {
				// Restart deskbar to make sure the new version is picked up
				team_id deskbarTeam = be_roster->TeamFor(kDeskbarSig);
				if (deskbarTeam >= 0) {
					BMessenger messenger(NULL, deskbarTeam);
					messenger.SendMessage(B_QUIT_REQUESTED);
					int	k = 500;
					do {
						snooze (10000);
					} while (be_roster->IsRunning(kDeskbarSig) && k-- > 0);
				}
				be_roster->Launch(kDeskbarSig);
				int	k = 500;
				do {
					snooze (10000);
				} while (!be_roster->IsRunning(kDeskbarSig) && k-- > 0);
			}

			BDeskbar deskbar;
			if (!deskbar.HasItem(kDeskbarItemName))
				move_to_deskbar(deskbar);

			Quit();
			return;
		}
	}

	new PCWindow();

	// quit other eventually running instances
	BList list;
	be_roster->GetAppList(kSignature, &list);
	long count = list.CountItems();
	if (count > 1) {
		for (long i = 0; i < count - 1; i++) {
			BMessenger* otherme = new BMessenger(NULL, (team_id)list.ItemAt(i));
			BMessage* message = new BMessage(B_QUIT_REQUESTED);
			otherme->SendMessage(message);
			delete otherme;
		}
	}
}


void
PCApplication::ArgvReceived(int32 argc, char **argv)
{
	if (argc == 2 && strcmp(argv[1], "-desktop-reset") == 0) {
		team_id tracker = be_roster->TeamFor(kTrackerSig);
		if (tracker >= 0) {
			BMessenger messenger(NULL, tracker);
			messenger.SendMessage(B_QUIT_REQUESTED);
			int	k = 500;
			do {
				snooze(10000);
			} while (be_roster->IsRunning(kTrackerSig) && k-- > 0);
		}
		remove("/boot/home/config/settings/Tracker/tracker_shelf");
		launch(kTrackerSig, "/boot/system/Tracker");
	} else if (argc == 2 && strcmp(argv[1], "-deskbar") == 0) {
		BDeskbar deskbar;
		if (!gInDeskbar && !deskbar.HasItem(kDeskbarItemName))
			move_to_deskbar(deskbar);
	} else if (argc > 1) {
		// print a simple usage string
		printf("Usage: %s [-deskbar]\n", argv[0]);
		printf("(c) 1996-2001 Georges-Edouard Berenger, [email protected]\n");
	}

	Quit();
}


//	#pragma mark -


int
main()
{
	PCApplication application;
	application.Run();

	return B_OK;
}