xref: /haiku/src/apps/haikudepot/ui/MainWindow.cpp (revision 072d3935c2497638e9c2502f574c133caeba9d3d) 
1 /*
2  * Copyright 2015, Axel Dörfler, <axeld@pinc-software.de>.
3  * Copyright 2013-2014, Stephan Aßmus <superstippi@gmx.de>.
4  * Copyright 2013, Rene Gollent, rene@gollent.com.
5  * Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de.
6  * Copyright 2016-2020, Andrew Lindesay <apl@lindesay.co.nz>.
7  * Copyright 2017, Julian Harnath <julian.harnath@rwth-aachen.de>.
8  * All rights reserved. Distributed under the terms of the MIT License.
9  */
10 
11 
12 #include "MainWindow.h"
13 
14 #include <map>
15 #include <vector>
16 
17 #include <stdio.h>
18 #include <Alert.h>
19 #include <Autolock.h>
20 #include <Application.h>
21 #include <Button.h>
22 #include <Catalog.h>
23 #include <CardLayout.h>
24 #include <LayoutBuilder.h>
25 #include <MenuBar.h>
26 #include <MenuItem.h>
27 #include <Messenger.h>
28 #include <Roster.h>
29 #include <Screen.h>
30 #include <ScrollView.h>
31 #include <StringList.h>
32 #include <StringView.h>
33 #include <TabView.h>
34 
35 #include "AppUtils.h"
36 #include "AutoDeleter.h"
37 #include "AutoLocker.h"
38 #include "DecisionProvider.h"
39 #include "FeaturedPackagesView.h"
40 #include "FilterView.h"
41 #include "Logger.h"
42 #include "PackageInfoView.h"
43 #include "PackageListView.h"
44 #include "PackageManager.h"
45 #include "ProcessCoordinator.h"
46 #include "ProcessCoordinatorFactory.h"
47 #include "RatePackageWindow.h"
48 #include "support.h"
49 #include "ScreenshotWindow.h"
50 #include "ToLatestUserUsageConditionsWindow.h"
51 #include "UserLoginWindow.h"
52 #include "UserUsageConditionsWindow.h"
53 #include "WorkStatusView.h"
54 
55 
56 #undef B_TRANSLATION_CONTEXT
57 #define B_TRANSLATION_CONTEXT "MainWindow"
58 
59 
60 enum {
61 	MSG_REFRESH_REPOS						= 'mrrp',
62 	MSG_MANAGE_REPOS						= 'mmrp',
63 	MSG_SOFTWARE_UPDATER					= 'mswu',
64 	MSG_LOG_IN								= 'lgin',
65 	MSG_AUTHORIZATION_CHANGED				= 'athc',
66 	MSG_CATEGORIES_LIST_CHANGED				= 'clic',
67 	MSG_PACKAGE_CHANGED						= 'pchd',
68 	MSG_WORK_STATUS_CHANGE					= 'wsch',
69 	MSG_WORK_STATUS_CLEAR					= 'wscl',
70 
71 	MSG_CHANGE_PACKAGE_LIST_VIEW_MODE		= 'cplm',
72 	MSG_SHOW_AVAILABLE_PACKAGES				= 'savl',
73 	MSG_SHOW_INSTALLED_PACKAGES				= 'sins',
74 	MSG_SHOW_SOURCE_PACKAGES				= 'ssrc',
75 	MSG_SHOW_DEVELOP_PACKAGES				= 'sdvl'
76 };
77 
78 #define KEY_ERROR_STATUS				"errorStatus"
79 #define KEY_PACKAGE_LIST_VIEW_MODE		"packageListViewMode"
80 
81 #define TAB_PROMINENT_PACKAGES	0
82 #define TAB_ALL_PACKAGES		1
83 
84 using namespace BPackageKit;
85 using namespace BPackageKit::BManager::BPrivate;
86 
87 
88 typedef std::map<BString, PackageInfoRef> PackageInfoMap;
89 
90 
91 struct RefreshWorkerParameters {
92 	MainWindow* window;
93 	bool forceRefresh;
94 
95 	RefreshWorkerParameters(MainWindow* window, bool forceRefresh)
96 		:
97 		window(window),
98 		forceRefresh(forceRefresh)
99 	{
100 	}
101 };
102 
103 
104 class MainWindowModelListener : public ModelListener {
105 public:
106 	MainWindowModelListener(const BMessenger& messenger)
107 		:
108 		fMessenger(messenger)
109 	{
110 	}
111 
112 	virtual void AuthorizationChanged()
113 	{
114 		if (fMessenger.IsValid())
115 			fMessenger.SendMessage(MSG_AUTHORIZATION_CHANGED);
116 	}
117 
118 	virtual void CategoryListChanged()
119 	{
120 		if (fMessenger.IsValid())
121 			fMessenger.SendMessage(MSG_CATEGORIES_LIST_CHANGED);
122 	}
123 
124 private:
125 	BMessenger	fMessenger;
126 };
127 
128 
129 MainWindow::MainWindow(const BMessage& settings)
130 	:
131 	BWindow(BRect(50, 50, 650, 550), B_TRANSLATE_SYSTEM_NAME("HaikuDepot"),
132 		B_DOCUMENT_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
133 		B_ASYNCHRONOUS_CONTROLS | B_AUTO_UPDATE_SIZE_LIMITS),
134 	fScreenshotWindow(NULL),
135 	fUserMenu(NULL),
136 	fLogInItem(NULL),
137 	fLogOutItem(NULL),
138 	fUsersUserUsageConditionsMenuItem(NULL),
139 	fModelListener(new MainWindowModelListener(BMessenger(this)), true),
140 	fCoordinator(NULL),
141 	fSinglePackageMode(false)
142 {
143 	if ((fCoordinatorRunningSem = create_sem(1, "ProcessCoordinatorSem")) < B_OK)
144 		debugger("unable to create the process coordinator semaphore");
145 
146 	BMenuBar* menuBar = new BMenuBar("Main Menu");
147 	_BuildMenu(menuBar);
148 
149 	BMenuBar* userMenuBar = new BMenuBar("User Menu");
150 	_BuildUserMenu(userMenuBar);
151 	set_small_font(userMenuBar);
152 	userMenuBar->SetExplicitMaxSize(BSize(B_SIZE_UNSET,
153 		menuBar->MaxSize().height));
154 
155 	fFilterView = new FilterView();
156 	fFeaturedPackagesView = new FeaturedPackagesView(fModel);
157 	fPackageListView = new PackageListView(&fModel);
158 	fPackageInfoView = new PackageInfoView(&fModel, this);
159 
160 	fSplitView = new BSplitView(B_VERTICAL, 5.0f);
161 
162 	fWorkStatusView = new WorkStatusView("work status");
163 	fPackageListView->AttachWorkStatusView(fWorkStatusView);
164 
165 	fListTabs = new TabView(BMessenger(this),
166 		BMessage(MSG_CHANGE_PACKAGE_LIST_VIEW_MODE), "list tabs");
167 	fListTabs->AddTab(fFeaturedPackagesView);
168 	fListTabs->AddTab(fPackageListView);
169 
170 	BLayoutBuilder::Group<>(this, B_VERTICAL, 0.0f)
171 		.AddGroup(B_HORIZONTAL, 0.0f)
172 			.Add(menuBar, 1.0f)
173 			.Add(userMenuBar, 0.0f)
174 		.End()
175 		.Add(fFilterView)
176 		.AddSplit(fSplitView)
177 			.AddGroup(B_VERTICAL)
178 				.Add(fListTabs)
179 				.SetInsets(
180 					B_USE_DEFAULT_SPACING, 0.0f,
181 					B_USE_DEFAULT_SPACING, 0.0f)
182 			.End()
183 			.Add(fPackageInfoView)
184 		.End()
185 		.Add(fWorkStatusView)
186 	;
187 
188 	fSplitView->SetCollapsible(0, false);
189 	fSplitView->SetCollapsible(1, false);
190 
191 	fModel.AddListener(fModelListener);
192 
193 	BMessage columnSettings;
194 	if (settings.FindMessage("column settings", &columnSettings) == B_OK)
195 		fPackageListView->LoadState(&columnSettings);
196 
197 	_RestoreModelSettings(settings);
198 
199 	if (fModel.PackageListViewMode() == PROMINENT)
200 		fListTabs->Select(TAB_PROMINENT_PACKAGES);
201 	else
202 		fListTabs->Select(TAB_ALL_PACKAGES);
203 
204 	_RestoreNickname(settings);
205 	_UpdateAuthorization();
206 	_RestoreWindowFrame(settings);
207 
208 	// start worker threads
209 	BPackageRoster().StartWatching(this,
210 		B_WATCH_PACKAGE_INSTALLATION_LOCATIONS);
211 
212 	_InitWorkerThreads();
213 	_AdoptModel();
214 	_StartBulkLoad();
215 }
216 
217 
218 MainWindow::MainWindow(const BMessage& settings, const PackageInfoRef& package)
219 	:
220 	BWindow(BRect(50, 50, 650, 350), B_TRANSLATE_SYSTEM_NAME("HaikuDepot"),
221 		B_DOCUMENT_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
222 		B_ASYNCHRONOUS_CONTROLS | B_AUTO_UPDATE_SIZE_LIMITS),
223 	fFeaturedPackagesView(NULL),
224 	fPackageListView(NULL),
225 	fWorkStatusView(NULL),
226 	fScreenshotWindow(NULL),
227 	fUserMenu(NULL),
228 	fLogInItem(NULL),
229 	fLogOutItem(NULL),
230 	fUsersUserUsageConditionsMenuItem(NULL),
231 	fModelListener(new MainWindowModelListener(BMessenger(this)), true),
232 	fCoordinator(NULL),
233 	fSinglePackageMode(true)
234 {
235 	if ((fCoordinatorRunningSem = create_sem(1, "ProcessCoordinatorSem")) < B_OK)
236 		debugger("unable to create the process coordinator semaphore");
237 
238 	fFilterView = new FilterView();
239 	fPackageInfoView = new PackageInfoView(&fModel, this);
240 	fWorkStatusView = new WorkStatusView("work status");
241 
242 	BLayoutBuilder::Group<>(this, B_VERTICAL)
243 		.Add(fPackageInfoView)
244 		.Add(fWorkStatusView)
245 		.SetInsets(0, B_USE_WINDOW_INSETS, 0, 0)
246 	;
247 
248 	fModel.AddListener(fModelListener);
249 
250 	// Restore settings
251 	_RestoreNickname(settings);
252 	_UpdateAuthorization();
253 	_RestoreWindowFrame(settings);
254 
255 	fPackageInfoView->SetPackage(package);
256 
257 	_InitWorkerThreads();
258 }
259 
260 
261 MainWindow::~MainWindow()
262 {
263 	_SpinUntilProcessCoordinatorComplete();
264 	delete_sem(fCoordinatorRunningSem);
265 	fCoordinatorRunningSem = 0;
266 
267 	BPackageRoster().StopWatching(this);
268 
269 	delete_sem(fPendingActionsSem);
270 	if (fPendingActionsWorker >= 0)
271 		wait_for_thread(fPendingActionsWorker, NULL);
272 
273 	if (fScreenshotWindow != NULL && fScreenshotWindow->Lock())
274 		fScreenshotWindow->Quit();
275 }
276 
277 
278 bool
279 MainWindow::QuitRequested()
280 {
281 	BMessage settings;
282 	StoreSettings(settings);
283 
284 	BMessage message(MSG_MAIN_WINDOW_CLOSED);
285 	message.AddMessage(KEY_WINDOW_SETTINGS, &settings);
286 
287 	be_app->PostMessage(&message);
288 
289 	_StopProcessCoordinators();
290 
291 	return true;
292 }
293 
294 
295 void
296 MainWindow::MessageReceived(BMessage* message)
297 {
298 	switch (message->what) {
299 		case MSG_BULK_LOAD_DONE:
300 		{
301 			int64 errorStatus64;
302 			if (message->FindInt64(KEY_ERROR_STATUS, &errorStatus64) == B_OK)
303 				_BulkLoadCompleteReceived((status_t) errorStatus64);
304 			else
305 				HDERROR("expected [%s] value in message", KEY_ERROR_STATUS);
306 			break;
307 		}
308 		case B_SIMPLE_DATA:
309 		case B_REFS_RECEIVED:
310 			// TODO: ?
311 			break;
312 
313 		case B_PACKAGE_UPDATE:
314 			// TODO: see ticket #15879
315 			// work needs to be done here to selectively update package data in
316 			// the running HaikuDepot application when there are changes on the
317 			// system.  There is now too much data to just load everything when
318 			// there is a change.
319 			//_StartBulkLoad(false);
320 			break;
321 
322 		case MSG_REFRESH_REPOS:
323 			_StartBulkLoad(true);
324 			break;
325 
326 		case MSG_WORK_STATUS_CLEAR:
327 			_HandleWorkStatusClear();
328 			break;
329 
330 		case MSG_WORK_STATUS_CHANGE:
331 			_HandleWorkStatusChangeMessageReceived(message);
332 			break;
333 
334 		case MSG_MANAGE_REPOS:
335 			be_roster->Launch("application/x-vnd.Haiku-Repositories");
336 			break;
337 
338 		case MSG_SOFTWARE_UPDATER:
339 			be_roster->Launch("application/x-vnd.haiku-softwareupdater");
340 			break;
341 
342 		case MSG_LOG_IN:
343 			_OpenLoginWindow(BMessage());
344 			break;
345 
346 		case MSG_LOG_OUT:
347 			fModel.SetNickname("");
348 			break;
349 
350 		case MSG_VIEW_LATEST_USER_USAGE_CONDITIONS:
351 			_ViewUserUsageConditions(LATEST);
352 			break;
353 
354 		case MSG_VIEW_USERS_USER_USAGE_CONDITIONS:
355 			_ViewUserUsageConditions(USER);
356 			break;
357 
358 		case MSG_AUTHORIZATION_CHANGED:
359 			_StartUserVerify();
360 			_UpdateAuthorization();
361 			break;
362 
363 		case MSG_CATEGORIES_LIST_CHANGED:
364 			fFilterView->AdoptModel(fModel);
365 			break;
366 
367 		case MSG_CHANGE_PACKAGE_LIST_VIEW_MODE:
368 			_HandleChangePackageListViewMode();
369 			break;
370 
371 		case MSG_SHOW_AVAILABLE_PACKAGES:
372 			{
373 				BAutolock locker(fModel.Lock());
374 				fModel.SetShowAvailablePackages(
375 					!fModel.ShowAvailablePackages());
376 			}
377 			_AdoptModel();
378 			break;
379 
380 		case MSG_SHOW_INSTALLED_PACKAGES:
381 			{
382 				BAutolock locker(fModel.Lock());
383 				fModel.SetShowInstalledPackages(
384 					!fModel.ShowInstalledPackages());
385 			}
386 			_AdoptModel();
387 			break;
388 
389 		case MSG_SHOW_SOURCE_PACKAGES:
390 			{
391 				BAutolock locker(fModel.Lock());
392 				fModel.SetShowSourcePackages(!fModel.ShowSourcePackages());
393 			}
394 			_AdoptModel();
395 			break;
396 
397 		case MSG_SHOW_DEVELOP_PACKAGES:
398 			{
399 				BAutolock locker(fModel.Lock());
400 				fModel.SetShowDevelopPackages(!fModel.ShowDevelopPackages());
401 			}
402 			_AdoptModel();
403 			break;
404 
405 			// this may be triggered by, for example, a user rating being added
406 			// or having been altered.
407 		case MSG_SERVER_DATA_CHANGED:
408 		{
409 			BString name;
410 			if (message->FindString("name", &name) == B_OK) {
411 				BAutolock locker(fModel.Lock());
412 				if (fPackageInfoView->Package()->Name() == name) {
413 					_PopulatePackageAsync(true);
414 				} else {
415 					HDDEBUG("pkg [%s] is updated on the server, but is "
416 						"not selected so will not be updated.",
417 						name.String());
418 				}
419 			}
420         	break;
421         }
422 
423 		case MSG_PACKAGE_SELECTED:
424 		{
425 			BString name;
426 			if (message->FindString("name", &name) == B_OK) {
427 				PackageInfoRef package;
428 				{
429 					BAutolock locker(fModel.Lock());
430 					package = fModel.PackageForName(name);
431 				}
432 				if (package.Get() == NULL)
433 					debugger("unable to find the named package");
434 				else
435 					_AdoptPackage(package);
436 			} else {
437 				_ClearPackage();
438 			}
439 			break;
440 		}
441 
442 		case MSG_CATEGORY_SELECTED:
443 		{
444 			BString code;
445 			if (message->FindString("code", &code) != B_OK)
446 				code = "";
447 			{
448 				BAutolock locker(fModel.Lock());
449 				fModel.SetCategory(code);
450 			}
451 			_AdoptModel();
452 			break;
453 		}
454 
455 		case MSG_DEPOT_SELECTED:
456 		{
457 			BString name;
458 			if (message->FindString("name", &name) != B_OK)
459 				name = "";
460 			{
461 				BAutolock locker(fModel.Lock());
462 				fModel.SetDepot(name);
463 			}
464 			_AdoptModel();
465 			_UpdateAvailableRepositories();
466 			break;
467 		}
468 
469 		case MSG_SEARCH_TERMS_MODIFIED:
470 		{
471 			// TODO: Do this with a delay!
472 			BString searchTerms;
473 			if (message->FindString("search terms", &searchTerms) != B_OK)
474 				searchTerms = "";
475 			{
476 				BAutolock locker(fModel.Lock());
477 				fModel.SetSearchTerms(searchTerms);
478 			}
479 			_AdoptModel();
480 			break;
481 		}
482 
483 		case MSG_PACKAGE_CHANGED:
484 		{
485 			PackageInfo* info;
486 			if (message->FindPointer("package", (void**)&info) == B_OK) {
487 				PackageInfoRef ref(info, true);
488 				uint32 changes;
489 				if (message->FindUInt32("changes", &changes) != B_OK)
490 					changes = 0;
491 				if ((changes & PKG_CHANGED_STATE) != 0) {
492 					BAutolock locker(fModel.Lock());
493 					fModel.SetPackageState(ref, ref->State());
494 				}
495 				_AddRemovePackageFromLists(ref);
496 				if ((changes & PKG_CHANGED_STATE) != 0
497 						&& fCoordinator.Get() == NULL) {
498 					fWorkStatusView->PackageStatusChanged(ref);
499 				}
500 			}
501 			break;
502 		}
503 
504 		case MSG_RATE_PACKAGE:
505 			_RatePackage();
506 			break;
507 
508 		case MSG_SHOW_SCREENSHOT:
509 			_ShowScreenshot();
510 			break;
511 
512 		case MSG_PACKAGE_WORKER_BUSY:
513 		{
514 			BString reason;
515 			status_t status = message->FindString("reason", &reason);
516 			if (status != B_OK)
517 				break;
518 			fWorkStatusView->SetBusy(reason);
519 			break;
520 		}
521 
522 		case MSG_PACKAGE_WORKER_IDLE:
523 			fWorkStatusView->SetIdle();
524 			break;
525 
526 		case MSG_USER_USAGE_CONDITIONS_NOT_LATEST:
527 		{
528 			BMessage userDetailMsg;
529 			if (message->FindMessage("userDetail", &userDetailMsg) != B_OK) {
530 				debugger("expected the [userDetail] data to be carried in the "
531 					"message.");
532 			}
533 			UserDetail userDetail(&userDetailMsg);
534 			_HandleUserUsageConditionsNotLatest(userDetail);
535 			break;
536 		}
537 
538 		default:
539 			BWindow::MessageReceived(message);
540 			break;
541 	}
542 }
543 
544 
545 static const char*
546 main_window_package_list_view_mode_str(package_list_view_mode mode)
547 {
548 	if (mode == PROMINENT)
549 		return "PROMINENT";
550 	return "ALL";
551 }
552 
553 
554 static package_list_view_mode
555 main_window_str_to_package_list_view_mode(const BString& str)
556 {
557 	if (str == "PROMINENT")
558 		return PROMINENT;
559 	return ALL;
560 }
561 
562 
563 void
564 MainWindow::StoreSettings(BMessage& settings) const
565 {
566 	settings.AddRect(_WindowFrameName(), Frame());
567 	if (!fSinglePackageMode) {
568 		settings.AddRect("window frame", Frame());
569 
570 		BMessage columnSettings;
571 		if (fPackageListView != NULL)
572 			fPackageListView->SaveState(&columnSettings);
573 
574 		settings.AddMessage("column settings", &columnSettings);
575 
576 		settings.AddString(KEY_PACKAGE_LIST_VIEW_MODE,
577 			main_window_package_list_view_mode_str(
578 				fModel.PackageListViewMode()));
579 		settings.AddBool("show available packages",
580 			fModel.ShowAvailablePackages());
581 		settings.AddBool("show installed packages",
582 			fModel.ShowInstalledPackages());
583 		settings.AddBool("show develop packages", fModel.ShowDevelopPackages());
584 		settings.AddBool("show source packages", fModel.ShowSourcePackages());
585 	}
586 
587 	settings.AddString("username", fModel.Nickname());
588 }
589 
590 
591 void
592 MainWindow::PackageChanged(const PackageInfoEvent& event)
593 {
594 	uint32 watchedChanges = PKG_CHANGED_STATE | PKG_CHANGED_PROMINENCE;
595 	if ((event.Changes() & watchedChanges) != 0) {
596 		PackageInfoRef ref(event.Package());
597 		BMessage message(MSG_PACKAGE_CHANGED);
598 		message.AddPointer("package", ref.Get());
599 		message.AddUInt32("changes", event.Changes());
600 		ref.Detach();
601 			// reference needs to be released by MessageReceived();
602 		PostMessage(&message);
603 	}
604 }
605 
606 
607 status_t
608 MainWindow::SchedulePackageActions(PackageActionList& list)
609 {
610 	AutoLocker<BLocker> lock(&fPendingActionsLock);
611 	for (int32 i = 0; i < list.CountItems(); i++) {
612 		if (!fPendingActions.Add(list.ItemAtFast(i)))
613 			return B_NO_MEMORY;
614 	}
615 
616 	return release_sem_etc(fPendingActionsSem, list.CountItems(), 0);
617 }
618 
619 
620 Model*
621 MainWindow::GetModel()
622 {
623 	return &fModel;
624 }
625 
626 
627 void
628 MainWindow::_BuildMenu(BMenuBar* menuBar)
629 {
630 	BMenu* menu = new BMenu(B_TRANSLATE("Tools"));
631 	fRefreshRepositoriesItem = new BMenuItem(
632 		B_TRANSLATE("Refresh repositories"), new BMessage(MSG_REFRESH_REPOS));
633 	menu->AddItem(fRefreshRepositoriesItem);
634 	menu->AddItem(new BMenuItem(B_TRANSLATE("Manage repositories"
635 		B_UTF8_ELLIPSIS), new BMessage(MSG_MANAGE_REPOS)));
636 	menu->AddItem(new BMenuItem(B_TRANSLATE("Check for updates"
637 		B_UTF8_ELLIPSIS), new BMessage(MSG_SOFTWARE_UPDATER)));
638 
639 	menuBar->AddItem(menu);
640 
641 	fRepositoryMenu = new BMenu(B_TRANSLATE("Repositories"));
642 	menuBar->AddItem(fRepositoryMenu);
643 
644 	menu = new BMenu(B_TRANSLATE("Show"));
645 
646 	fShowAvailablePackagesItem = new BMenuItem(
647 		B_TRANSLATE("Available packages"),
648 		new BMessage(MSG_SHOW_AVAILABLE_PACKAGES));
649 	menu->AddItem(fShowAvailablePackagesItem);
650 
651 	fShowInstalledPackagesItem = new BMenuItem(
652 		B_TRANSLATE("Installed packages"),
653 		new BMessage(MSG_SHOW_INSTALLED_PACKAGES));
654 	menu->AddItem(fShowInstalledPackagesItem);
655 
656 	menu->AddSeparatorItem();
657 
658 	fShowDevelopPackagesItem = new BMenuItem(
659 		B_TRANSLATE("Develop packages"),
660 		new BMessage(MSG_SHOW_DEVELOP_PACKAGES));
661 	menu->AddItem(fShowDevelopPackagesItem);
662 
663 	fShowSourcePackagesItem = new BMenuItem(
664 		B_TRANSLATE("Source packages"),
665 		new BMessage(MSG_SHOW_SOURCE_PACKAGES));
666 	menu->AddItem(fShowSourcePackagesItem);
667 
668 	menuBar->AddItem(menu);
669 }
670 
671 
672 void
673 MainWindow::_BuildUserMenu(BMenuBar* menuBar)
674 {
675 	fUserMenu = new BMenu(B_TRANSLATE("Not logged in"));
676 
677 	fLogInItem = new BMenuItem(B_TRANSLATE("Log in" B_UTF8_ELLIPSIS),
678 		new BMessage(MSG_LOG_IN));
679 	fUserMenu->AddItem(fLogInItem);
680 
681 	fLogOutItem = new BMenuItem(B_TRANSLATE("Log out"),
682 		new BMessage(MSG_LOG_OUT));
683 	fUserMenu->AddItem(fLogOutItem);
684 
685 	BMenuItem *latestUserUsageConditionsMenuItem =
686 		new BMenuItem(B_TRANSLATE("View latest usage conditions"
687 			B_UTF8_ELLIPSIS),
688 			new BMessage(MSG_VIEW_LATEST_USER_USAGE_CONDITIONS));
689 	fUserMenu->AddItem(latestUserUsageConditionsMenuItem);
690 
691 	fUsersUserUsageConditionsMenuItem =
692 		new BMenuItem(B_TRANSLATE("View agreed usage conditions"
693 			B_UTF8_ELLIPSIS),
694 			new BMessage(MSG_VIEW_USERS_USER_USAGE_CONDITIONS));
695 	fUserMenu->AddItem(fUsersUserUsageConditionsMenuItem);
696 
697 	menuBar->AddItem(fUserMenu);
698 }
699 
700 
701 void
702 MainWindow::_RestoreNickname(const BMessage& settings)
703 {
704 	BString nickname;
705 	if (settings.FindString("username", &nickname) == B_OK
706 		&& nickname.Length() > 0) {
707 		fModel.SetNickname(nickname);
708 	}
709 }
710 
711 
712 const char*
713 MainWindow::_WindowFrameName() const
714 {
715 	if (fSinglePackageMode)
716 		return "small window frame";
717 
718 	return "window frame";
719 }
720 
721 
722 void
723 MainWindow::_RestoreWindowFrame(const BMessage& settings)
724 {
725 	BRect frame = Frame();
726 
727 	BRect windowFrame;
728 	bool fromSettings = false;
729 	if (settings.FindRect(_WindowFrameName(), &windowFrame) == B_OK) {
730 		frame = windowFrame;
731 		fromSettings = true;
732 	} else if (!fSinglePackageMode) {
733 		// Resize to occupy a certain screen size
734 		BRect screenFrame = BScreen(this).Frame();
735 		float width = frame.Width();
736 		float height = frame.Height();
737 		if (width < screenFrame.Width() * .666f
738 			&& height < screenFrame.Height() * .666f) {
739 			frame.bottom = frame.top + screenFrame.Height() * .666f;
740 			frame.right = frame.left
741 				+ std::min(screenFrame.Width() * .666f, height * 7 / 5);
742 		}
743 	}
744 
745 	MoveTo(frame.LeftTop());
746 	ResizeTo(frame.Width(), frame.Height());
747 
748 	if (fromSettings)
749 		MoveOnScreen();
750 	else
751 		CenterOnScreen();
752 }
753 
754 
755 void
756 MainWindow::_RestoreModelSettings(const BMessage& settings)
757 {
758 	BString packageListViewMode;
759 	if (settings.FindString(KEY_PACKAGE_LIST_VIEW_MODE,
760 			&packageListViewMode) == B_OK) {
761 		fModel.SetPackageListViewMode(
762 			main_window_str_to_package_list_view_mode(packageListViewMode));
763 	}
764 
765 	bool showOption;
766 	if (settings.FindBool("show available packages", &showOption) == B_OK)
767 		fModel.SetShowAvailablePackages(showOption);
768 	if (settings.FindBool("show installed packages", &showOption) == B_OK)
769 		fModel.SetShowInstalledPackages(showOption);
770 	if (settings.FindBool("show develop packages", &showOption) == B_OK)
771 		fModel.SetShowDevelopPackages(showOption);
772 	if (settings.FindBool("show source packages", &showOption) == B_OK)
773 		fModel.SetShowSourcePackages(showOption);
774 }
775 
776 
777 void
778 MainWindow::_InitWorkerThreads()
779 {
780 	fPendingActionsSem = create_sem(0, "PendingPackageActions");
781 	if (fPendingActionsSem >= 0) {
782 		fPendingActionsWorker = spawn_thread(&_PackageActionWorker,
783 			"Planet Express", B_NORMAL_PRIORITY, this);
784 		if (fPendingActionsWorker >= 0)
785 			resume_thread(fPendingActionsWorker);
786 	} else
787 		fPendingActionsWorker = -1;
788 
789 	fPackageToPopulateSem = create_sem(0, "PopulatePackage");
790 	if (fPackageToPopulateSem >= 0) {
791 		fPopulatePackageWorker = spawn_thread(&_PopulatePackageWorker,
792 			"Package Populator", B_NORMAL_PRIORITY, this);
793 		if (fPopulatePackageWorker >= 0)
794 			resume_thread(fPopulatePackageWorker);
795 	} else
796 		fPopulatePackageWorker = -1;
797 }
798 
799 
800 void
801 MainWindow::_AdoptModelControls()
802 {
803 	if (fSinglePackageMode)
804 		return;
805 
806 	BAutolock locker(fModel.Lock());
807 	fShowAvailablePackagesItem->SetMarked(fModel.ShowAvailablePackages());
808 	fShowInstalledPackagesItem->SetMarked(fModel.ShowInstalledPackages());
809 	fShowSourcePackagesItem->SetMarked(fModel.ShowSourcePackages());
810 	fShowDevelopPackagesItem->SetMarked(fModel.ShowDevelopPackages());
811 
812 	if (fModel.PackageListViewMode() == PROMINENT)
813 		fListTabs->Select(TAB_PROMINENT_PACKAGES);
814 	else
815 		fListTabs->Select(TAB_ALL_PACKAGES);
816 
817 	fFilterView->AdoptModel(fModel);
818 }
819 
820 
821 void
822 MainWindow::_AdoptModel()
823 {
824 	HDTRACE("adopting model to main window ui");
825 
826 	if (fSinglePackageMode)
827 		return;
828 
829 	std::vector<DepotInfoRef> depots = _CreateSnapshotOfDepots();
830 	std::vector<DepotInfoRef>::iterator it;
831 	for (it = depots.begin(); it != depots.end(); it++) {
832 		DepotInfoRef depotInfoRef = *it;
833 		const PackageList& packages = depotInfoRef->Packages();
834 		for (int32 p = 0; p < packages.CountItems(); p++)
835 			_AddRemovePackageFromLists(packages.ItemAtFast(p));
836 	}
837 
838 	_AdoptModelControls();
839 }
840 
841 
842 void
843 MainWindow::_AddRemovePackageFromLists(const PackageInfoRef& package)
844 {
845 	bool matches;
846 
847 	{
848 		AutoLocker<BLocker> modelLocker(fModel.Lock());
849 		matches = fModel.MatchesFilter(package);
850 	}
851 
852 	if (matches) {
853 		if (package->IsProminent())
854 			fFeaturedPackagesView->AddPackage(package);
855 		fPackageListView->AddPackage(package);
856 	} else {
857 		fFeaturedPackagesView->RemovePackage(package);
858 		fPackageListView->RemovePackage(package);
859 	}
860 }
861 
862 
863 void
864 MainWindow::_AdoptPackage(const PackageInfoRef& package)
865 {
866 	{
867 		BAutolock locker(fModel.Lock());
868 		fPackageInfoView->SetPackage(package);
869 
870 		if (fFeaturedPackagesView != NULL)
871 			fFeaturedPackagesView->SelectPackage(package);
872 		if (fPackageListView != NULL)
873 			fPackageListView->SelectPackage(package);
874 	}
875 
876 	_PopulatePackageAsync(false);
877 }
878 
879 
880 void
881 MainWindow::_ClearPackage()
882 {
883 	fPackageInfoView->Clear();
884 }
885 
886 
887 void
888 MainWindow::_StartBulkLoad(bool force)
889 {
890 	if (fFeaturedPackagesView != NULL)
891 		fFeaturedPackagesView->Clear();
892 	if (fPackageListView != NULL)
893 		fPackageListView->Clear();
894 	fPackageInfoView->Clear();
895 
896 	fRefreshRepositoriesItem->SetEnabled(false);
897 	ProcessCoordinator* bulkLoadCoordinator =
898 		ProcessCoordinatorFactory::CreateBulkLoadCoordinator(
899 			this,
900 				// PackageInfoListener
901 			this,
902 				// ProcessCoordinatorListener
903 			&fModel, force);
904 	_AddProcessCoordinator(bulkLoadCoordinator);
905 }
906 
907 
908 void
909 MainWindow::_BulkLoadCompleteReceived(status_t errorStatus)
910 {
911 	if (errorStatus != B_OK) {
912 		AppUtils::NotifySimpleError(
913 			B_TRANSLATE("Package update error"),
914 			B_TRANSLATE("While updating package data, a problem has arisen "
915 				"that may cause data to be outdated or missing from the "
916 				"application's display. Additional details regarding this "
917 				"problem may be able to be obtained from the application "
918 				"logs."
919 				ALERT_MSG_LOGS_USER_GUIDE));
920 	}
921 
922 	fRefreshRepositoriesItem->SetEnabled(true);
923 	_AdoptModel();
924 	_UpdateAvailableRepositories();
925 
926 	// if after loading everything in, it transpires that there are no
927 	// featured packages then the featured packages should be disabled
928 	// and the user should be switched to the "all packages" view so
929 	// that they are not presented with a blank window!
930 
931 	bool hasProminentPackages = fModel.HasAnyProminentPackages();
932 	fListTabs->TabAt(TAB_PROMINENT_PACKAGES)->SetEnabled(hasProminentPackages);
933 	if (!hasProminentPackages
934 			&& fListTabs->Selection() == TAB_PROMINENT_PACKAGES) {
935 		fModel.SetPackageListViewMode(ALL);
936 		fListTabs->Select(TAB_ALL_PACKAGES);
937 	}
938 }
939 
940 
941 void
942 MainWindow::_NotifyWorkStatusClear()
943 {
944 	BMessage message(MSG_WORK_STATUS_CLEAR);
945 	this->PostMessage(&message, this);
946 }
947 
948 
949 void
950 MainWindow::_HandleWorkStatusClear()
951 {
952 	fWorkStatusView->SetText("");
953 	fWorkStatusView->SetIdle();
954 }
955 
956 
957 /*! Sends off a message to the Window so that it can change the status view
958     on the front-end in the UI thread.
959 */
960 
961 void
962 MainWindow::_NotifyWorkStatusChange(const BString& text, float progress)
963 {
964 	BMessage message(MSG_WORK_STATUS_CHANGE);
965 
966 	if (!text.IsEmpty())
967 		message.AddString(KEY_WORK_STATUS_TEXT, text);
968 	message.AddFloat(KEY_WORK_STATUS_PROGRESS, progress);
969 
970 	this->PostMessage(&message, this);
971 }
972 
973 
974 void
975 MainWindow::_HandleWorkStatusChangeMessageReceived(const BMessage* message)
976 {
977 	if (fWorkStatusView == NULL)
978 		return;
979 
980 	BString text;
981 	float progress;
982 
983 	if (message->FindString(KEY_WORK_STATUS_TEXT, &text) == B_OK)
984 		fWorkStatusView->SetText(text);
985 
986 	if (message->FindFloat(KEY_WORK_STATUS_PROGRESS, &progress) == B_OK)
987 		fWorkStatusView->SetProgress(progress);
988 }
989 
990 
991 status_t
992 MainWindow::_PackageActionWorker(void* arg)
993 {
994 	MainWindow* window = reinterpret_cast<MainWindow*>(arg);
995 
996 	while (acquire_sem(window->fPendingActionsSem) == B_OK) {
997 		PackageActionRef ref;
998 		{
999 			AutoLocker<BLocker> lock(&window->fPendingActionsLock);
1000 			ref = window->fPendingActions.ItemAt(0);
1001 			if (ref.Get() == NULL)
1002 				break;
1003 			window->fPendingActions.Remove(0);
1004 		}
1005 
1006 		BMessenger messenger(window);
1007 		BMessage busyMessage(MSG_PACKAGE_WORKER_BUSY);
1008 		BString text(ref->Label());
1009 		text << B_UTF8_ELLIPSIS;
1010 		busyMessage.AddString("reason", text);
1011 
1012 		messenger.SendMessage(&busyMessage);
1013 		ref->Perform();
1014 		messenger.SendMessage(MSG_PACKAGE_WORKER_IDLE);
1015 	}
1016 
1017 	return 0;
1018 }
1019 
1020 
1021 /*! This method will cause the package to have its data refreshed from
1022     the server application.  The refresh happens in the background; this method
1023     is asynchronous.
1024 */
1025 
1026 void
1027 MainWindow::_PopulatePackageAsync(bool forcePopulate)
1028 {
1029 		// Trigger asynchronous package population from the web-app
1030 	{
1031 		AutoLocker<BLocker> lock(&fPackageToPopulateLock);
1032 		fPackageToPopulate = fPackageInfoView->Package();
1033 		fForcePopulatePackage = forcePopulate;
1034 	}
1035 	release_sem_etc(fPackageToPopulateSem, 1, 0);
1036 
1037 	HDDEBUG("pkg [%s] will be updated from the server.",
1038 		fPackageToPopulate->Name().String());
1039 }
1040 
1041 
1042 /*! This method will run in the background.  The thread will block until there
1043     is a package to be updated.  When the thread unblocks, it will update the
1044     package with information from the server.
1045 */
1046 
1047 status_t
1048 MainWindow::_PopulatePackageWorker(void* arg)
1049 {
1050 	MainWindow* window = reinterpret_cast<MainWindow*>(arg);
1051 
1052 	while (acquire_sem(window->fPackageToPopulateSem) == B_OK) {
1053 		PackageInfoRef package;
1054 		bool force;
1055 		{
1056 			AutoLocker<BLocker> lock(&window->fPackageToPopulateLock);
1057 			package = window->fPackageToPopulate;
1058 			force = window->fForcePopulatePackage;
1059 		}
1060 
1061 		if (package.Get() != NULL) {
1062 			uint32 populateFlags = Model::POPULATE_USER_RATINGS
1063 				| Model::POPULATE_SCREEN_SHOTS
1064 				| Model::POPULATE_CHANGELOG;
1065 
1066 			if (force)
1067 				populateFlags |= Model::POPULATE_FORCE;
1068 
1069 			window->fModel.PopulatePackage(package, populateFlags);
1070 
1071 			HDDEBUG("populating package [%s]", package->Name().String());
1072 		}
1073 	}
1074 
1075 	return 0;
1076 }
1077 
1078 
1079 void
1080 MainWindow::_OpenLoginWindow(const BMessage& onSuccessMessage)
1081 {
1082 	UserLoginWindow* window = new UserLoginWindow(this,
1083 		BRect(0, 0, 500, 400), fModel);
1084 
1085 	if (onSuccessMessage.what != 0)
1086 		window->SetOnSuccessMessage(BMessenger(this), onSuccessMessage);
1087 
1088 	window->Show();
1089 }
1090 
1091 
1092 void
1093 MainWindow::_StartUserVerify()
1094 {
1095 	if (!fModel.Nickname().IsEmpty()) {
1096 		_AddProcessCoordinator(
1097 			ProcessCoordinatorFactory::CreateUserDetailVerifierCoordinator(
1098 				this,
1099 					// UserDetailVerifierListener
1100 				this,
1101 					// ProcessCoordinatorListener
1102 				&fModel) );
1103 	}
1104 }
1105 
1106 
1107 void
1108 MainWindow::_UpdateAuthorization()
1109 {
1110 	BString nickname(fModel.Nickname());
1111 	bool hasUser = !nickname.IsEmpty();
1112 
1113 	if (fLogOutItem != NULL)
1114 		fLogOutItem->SetEnabled(hasUser);
1115 	if (fUsersUserUsageConditionsMenuItem != NULL)
1116 		fUsersUserUsageConditionsMenuItem->SetEnabled(hasUser);
1117 	if (fLogInItem != NULL) {
1118 		if (hasUser)
1119 			fLogInItem->SetLabel(B_TRANSLATE("Switch account" B_UTF8_ELLIPSIS));
1120 		else
1121 			fLogInItem->SetLabel(B_TRANSLATE("Log in" B_UTF8_ELLIPSIS));
1122 	}
1123 
1124 	if (fUserMenu != NULL) {
1125 		BString label;
1126 		if (hasUser) {
1127 			label = B_TRANSLATE("Logged in as %User%");
1128 			label.ReplaceAll("%User%", nickname);
1129 		} else {
1130 			label = B_TRANSLATE("Not logged in");
1131 		}
1132 		fUserMenu->Superitem()->SetLabel(label);
1133 	}
1134 }
1135 
1136 
1137 void
1138 MainWindow::_UpdateAvailableRepositories()
1139 {
1140 	fRepositoryMenu->RemoveItems(0, fRepositoryMenu->CountItems(), true);
1141 
1142 	fRepositoryMenu->AddItem(new BMenuItem(B_TRANSLATE("All repositories"),
1143 		new BMessage(MSG_DEPOT_SELECTED)));
1144 
1145 	fRepositoryMenu->AddItem(new BSeparatorItem());
1146 
1147 	bool foundSelectedDepot = false;
1148 	std::vector<DepotInfoRef> depots = _CreateSnapshotOfDepots();
1149 	std::vector<DepotInfoRef>::iterator it;
1150 
1151 	for (it = depots.begin(); it != depots.end(); it++) {
1152 		DepotInfoRef depot = *it;
1153 
1154 		if (depot->Name().Length() != 0) {
1155 			BMessage* message = new BMessage(MSG_DEPOT_SELECTED);
1156 			message->AddString("name", depot->Name());
1157 			BMenuItem* item = new(std::nothrow) BMenuItem(depot->Name(), message);
1158 
1159 			if (item == NULL)
1160 				HDFATAL("memory exhaustion");
1161 
1162 			fRepositoryMenu->AddItem(item);
1163 
1164 			if (depot->Name() == fModel.Depot()) {
1165 				item->SetMarked(true);
1166 				foundSelectedDepot = true;
1167 			}
1168 		}
1169 	}
1170 
1171 	if (!foundSelectedDepot)
1172 		fRepositoryMenu->ItemAt(0)->SetMarked(true);
1173 }
1174 
1175 
1176 bool
1177 MainWindow::_SelectedPackageHasWebAppRepositoryCode()
1178 {
1179 	const PackageInfoRef& package = fPackageInfoView->Package();
1180 	const BString depotName = package->DepotName();
1181 
1182 	if (depotName.IsEmpty()) {
1183 		HDDEBUG("the package [%s] has no depot name", package->Name().String());
1184 	} else {
1185 		const DepotInfo* depot = fModel.DepotForName(depotName);
1186 
1187 		if (depot == NULL) {
1188 			HDINFO("the depot [%s] was not able to be found",
1189 				depotName.String());
1190 		} else {
1191 			BString repositoryCode = depot->WebAppRepositoryCode();
1192 
1193 			if (repositoryCode.IsEmpty()) {
1194 				HDINFO("the depot [%s] has no web app repository code",
1195 					depotName.String());
1196 			} else
1197 				return true;
1198 		}
1199 	}
1200 
1201 	return false;
1202 }
1203 
1204 
1205 void
1206 MainWindow::_RatePackage()
1207 {
1208 	if (!_SelectedPackageHasWebAppRepositoryCode()) {
1209 		BAlert* alert = new(std::nothrow) BAlert(
1210 			B_TRANSLATE("Rating not possible"),
1211 			B_TRANSLATE("This package doesn't seem to be on the HaikuDepot "
1212 				"Server, so it's not possible to create a new rating "
1213 				"or edit an existing rating."),
1214 			B_TRANSLATE("OK"));
1215 		alert->Go();
1216     	return;
1217 	}
1218 
1219 	if (fModel.Nickname().IsEmpty()) {
1220 		BAlert* alert = new(std::nothrow) BAlert(
1221 			B_TRANSLATE("Not logged in"),
1222 			B_TRANSLATE("You need to be logged into an account before you "
1223 				"can rate packages."),
1224 			B_TRANSLATE("Cancel"),
1225 			B_TRANSLATE("Login or Create account"));
1226 
1227 		if (alert == NULL)
1228 			return;
1229 
1230 		int32 choice = alert->Go();
1231 		if (choice == 1)
1232 			_OpenLoginWindow(BMessage(MSG_RATE_PACKAGE));
1233 		return;
1234 	}
1235 
1236 	// TODO: Allow only one RatePackageWindow
1237 	// TODO: Mechanism for remembering the window frame
1238 	RatePackageWindow* window = new RatePackageWindow(this,
1239 		BRect(0, 0, 500, 400), fModel);
1240 	window->SetPackage(fPackageInfoView->Package());
1241 	window->Show();
1242 }
1243 
1244 
1245 void
1246 MainWindow::_ShowScreenshot()
1247 {
1248 	// TODO: Mechanism for remembering the window frame
1249 	if (fScreenshotWindow == NULL)
1250 		fScreenshotWindow = new ScreenshotWindow(this, BRect(0, 0, 500, 400));
1251 
1252 	if (fScreenshotWindow->LockWithTimeout(1000) != B_OK)
1253 		return;
1254 
1255 	fScreenshotWindow->SetPackage(fPackageInfoView->Package());
1256 
1257 	if (fScreenshotWindow->IsHidden())
1258 		fScreenshotWindow->Show();
1259 	else
1260 		fScreenshotWindow->Activate();
1261 
1262 	fScreenshotWindow->Unlock();
1263 }
1264 
1265 
1266 void
1267 MainWindow::_ViewUserUsageConditions(
1268 	UserUsageConditionsSelectionMode mode)
1269 {
1270 	UserUsageConditionsWindow* window = new UserUsageConditionsWindow(
1271 		fModel, mode);
1272 	window->Show();
1273 }
1274 
1275 
1276 void
1277 MainWindow::UserCredentialsFailed()
1278 {
1279 	BString message = B_TRANSLATE("The password previously "
1280 		"supplied for the user [%Nickname%] is not currently "
1281 		"valid. The user will be logged-out of this application "
1282 		"and you should login again with your updated password.");
1283 	message.ReplaceAll("%Nickname%", fModel.Nickname());
1284 
1285 	AppUtils::NotifySimpleError(B_TRANSLATE("Login issue"),
1286 		message);
1287 
1288 	{
1289 		AutoLocker<BLocker> locker(fModel.Lock());
1290 		fModel.SetNickname("");
1291 	}
1292 }
1293 
1294 
1295 /*! \brief This method is invoked from the UserDetailVerifierProcess on a
1296 		   background thread.  For this reason it lodges a message into itself
1297 		   which can then be handled on the main thread.
1298 */
1299 
1300 void
1301 MainWindow::UserUsageConditionsNotLatest(const UserDetail& userDetail)
1302 {
1303 	BMessage message(MSG_USER_USAGE_CONDITIONS_NOT_LATEST);
1304 	BMessage detailsMessage;
1305 	if (userDetail.Archive(&detailsMessage, true) != B_OK
1306 			|| message.AddMessage("userDetail", &detailsMessage) != B_OK) {
1307 		HDERROR("unable to archive the user detail into a message");
1308 	}
1309 	else
1310 		BMessenger(this).SendMessage(&message);
1311 }
1312 
1313 
1314 void
1315 MainWindow::_HandleUserUsageConditionsNotLatest(
1316 	const UserDetail& userDetail)
1317 {
1318 	ToLatestUserUsageConditionsWindow* window =
1319 		new ToLatestUserUsageConditionsWindow(this, fModel, userDetail);
1320 	window->Show();
1321 }
1322 
1323 
1324 void
1325 MainWindow::_AddProcessCoordinator(ProcessCoordinator* item)
1326 {
1327 	AutoLocker<BLocker> lock(&fCoordinatorLock);
1328 
1329 	if (fCoordinator.Get() == NULL) {
1330 		if (acquire_sem(fCoordinatorRunningSem) != B_OK)
1331 			debugger("unable to acquire the process coordinator sem");
1332 		HDINFO("adding and starting a process coordinator [%s]",
1333 			item->Name().String());
1334 		fCoordinator = BReference<ProcessCoordinator>(item);
1335 		fCoordinator->Start();
1336 	}
1337 	else {
1338 		HDINFO("adding process coordinator [%s] to the queue",
1339 			item->Name().String());
1340 		fCoordinatorQueue.push(item);
1341 	}
1342 }
1343 
1344 
1345 void
1346 MainWindow::_SpinUntilProcessCoordinatorComplete()
1347 {
1348 	while (true) {
1349 		if (acquire_sem(fCoordinatorRunningSem) != B_OK)
1350 			debugger("unable to acquire the process coordinator sem");
1351 		if (release_sem(fCoordinatorRunningSem) != B_OK)
1352 			debugger("unable to release the process coordinator sem");
1353 		{
1354 			AutoLocker<BLocker> lock(&fCoordinatorLock);
1355 			if (fCoordinator.Get() == NULL)
1356 				return;
1357 		}
1358 	}
1359 }
1360 
1361 
1362 void
1363 MainWindow::_StopProcessCoordinators()
1364 {
1365 	HDINFO("will stop all process coordinators");
1366 
1367 	{
1368 		AutoLocker<BLocker> lock(&fCoordinatorLock);
1369 
1370 		while (!fCoordinatorQueue.empty()) {
1371 			BReference<ProcessCoordinator> processCoordinator
1372 				= fCoordinatorQueue.front();
1373 			HDINFO("will drop queued process coordinator [%s]",
1374 				processCoordinator->Name().String());
1375 			fCoordinatorQueue.pop();
1376 		}
1377 
1378 		if (fCoordinator.Get() != NULL) {
1379 			fCoordinator->Stop();
1380 		}
1381 	}
1382 
1383 	HDINFO("will wait until the process coordinator has stopped");
1384 
1385 	_SpinUntilProcessCoordinatorComplete();
1386 
1387 	HDINFO("did stop all process coordinators");
1388 }
1389 
1390 
1391 /*! This method is called when there is some change in the bulk load process
1392 	or other process coordinator.
1393 	A change may mean that a new process has started / stopped etc... or it
1394 	may mean that the entire coordinator has finished.
1395 */
1396 
1397 void
1398 MainWindow::CoordinatorChanged(ProcessCoordinatorState& coordinatorState)
1399 {
1400 	AutoLocker<BLocker> lock(&fCoordinatorLock);
1401 
1402 	if (fCoordinator.Get() == coordinatorState.Coordinator()) {
1403 		if (!coordinatorState.IsRunning()) {
1404 			if (release_sem(fCoordinatorRunningSem) != B_OK)
1405 				debugger("unable to release the process coordinator sem");
1406 			HDINFO("process coordinator [%s] did complete",
1407 				fCoordinator->Name().String());
1408 			// complete the last one that just finished
1409 			BMessage* message = fCoordinator->Message();
1410 
1411 			if (message != NULL) {
1412 				BMessenger messenger(this);
1413 				message->AddInt64(KEY_ERROR_STATUS,
1414 					(int64) fCoordinator->ErrorStatus());
1415 				messenger.SendMessage(message);
1416 			}
1417 
1418 			fCoordinator = BReference<ProcessCoordinator>(NULL);
1419 				// will delete the old process coordinator if it is not used
1420 				// elsewhere.
1421 
1422 			// now schedule the next one.
1423 			if (!fCoordinatorQueue.empty()) {
1424 				if (acquire_sem(fCoordinatorRunningSem) != B_OK)
1425 					debugger("unable to acquire the process coordinator sem");
1426 				fCoordinator = fCoordinatorQueue.front();
1427 				HDINFO("starting next process coordinator [%s]",
1428 					fCoordinator->Name().String());
1429 				fCoordinatorQueue.pop();
1430 				fCoordinator->Start();
1431 			}
1432 			else {
1433 				_NotifyWorkStatusClear();
1434 			}
1435 		}
1436 		else {
1437 			_NotifyWorkStatusChange(coordinatorState.Message(),
1438 				coordinatorState.Progress());
1439 				// show the progress to the user.
1440 		}
1441 	} else
1442 		HDINFO("! unknown process coordinator changed");
1443 }
1444 
1445 
1446 static package_list_view_mode
1447 main_window_tab_to_package_list_view_mode(int32 tab)
1448 {
1449 	if (tab == TAB_PROMINENT_PACKAGES)
1450 		return PROMINENT;
1451 	return ALL;
1452 }
1453 
1454 
1455 void
1456 MainWindow::_HandleChangePackageListViewMode()
1457 {
1458 	package_list_view_mode tabMode = main_window_tab_to_package_list_view_mode(
1459 		fListTabs->Selection());
1460 	package_list_view_mode modelMode = fModel.PackageListViewMode();
1461 
1462 	if (tabMode != modelMode) {
1463 		BAutolock locker(fModel.Lock());
1464 		fModel.SetPackageListViewMode(tabMode);
1465 	}
1466 }
1467 
1468 
1469 std::vector<DepotInfoRef>
1470 MainWindow::_CreateSnapshotOfDepots()
1471 {
1472 	std::vector<DepotInfoRef> result;
1473 	BAutolock locker(fModel.Lock());
1474 	int32 countDepots = fModel.CountDepots();
1475 	for(int32 i = 0; i < countDepots; i++)
1476 		result.push_back(fModel.DepotAtIndex(i));
1477 	return result;
1478 }