* Copyright 2004-2020, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Jérôme Duval
* Axel Doerfler, axeld@pinc-software.de
* Pawan Yerramilli, me@pawanyerramilli.com
*/
#include "TeamMonitorWindow.h"
#include <set>
#include <stdio.h>
#include <Application.h>
#include <CardLayout.h>
#include <Catalog.h>
#include <GroupLayoutBuilder.h>
#include <IconView.h>
#include <LayoutBuilder.h>
#include <LocaleRoster.h>
#include <Message.h>
#include <MessageRunner.h>
#include <Roster.h>
#include <ScrollView.h>
#include <Screen.h>
#include <SpaceLayoutItem.h>
#include <String.h>
#include <StringFormat.h>
#include <StringView.h>
#include <syscalls.h>
#include <syscall_process_info.h>
#include <tracker_private.h>
#include "KeyboardInputDevice.h"
#include "TeamListItem.h"
#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Team monitor"
TeamMonitorWindow* gTeamMonitorWindow = NULL;
struct TeamQuitter {
team_id team;
thread_id thread;
BLooper* window;
};
status_t
QuitTeamThreadFunction(void* data)
{
TeamQuitter* teamQuitter = reinterpret_cast<TeamQuitter*>(data);
if (teamQuitter == NULL)
return B_ERROR;
status_t status;
BMessenger messenger(NULL, teamQuitter->team, &status);
if (status != B_OK)
return status;
BMessage message(B_QUIT_REQUESTED);
BMessage reply;
messenger.SendMessage(&message, &reply, 3000000, 3000000);
bool result;
if (reply.what != B_REPLY
|| reply.FindBool("result", &result) != B_OK
|| result == false) {
message.what = kMsgQuitFailed;
message.AddPointer("TeamQuitter", teamQuitter);
message.AddInt32("error", reply.what);
if (teamQuitter->window != NULL)
teamQuitter->window->PostMessage(&message);
return reply.what;
}
return B_OK;
}
filter_result
FilterLocaleChanged(BMessage* message, BHandler** target,
BMessageFilter *filter)
{
if (message->what == B_LOCALE_CHANGED && gTeamMonitorWindow != NULL)
gTeamMonitorWindow->LocaleChanged();
return B_DISPATCH_MESSAGE;
}
filter_result
FilterKeyDown(BMessage* message, BHandler** target,
BMessageFilter *filter)
{
if (message->what == B_KEY_DOWN && gTeamMonitorWindow != NULL) {
if (gTeamMonitorWindow->HandleKeyDown(message))
return B_SKIP_MESSAGE;
}
return B_DISPATCH_MESSAGE;
}
class TeamDescriptionView : public BView {
public:
TeamDescriptionView();
virtual ~TeamDescriptionView();
virtual void MessageReceived(BMessage* message);
void CtrlAltDelPressed(bool keyDown);
void SetItem(TeamListItem* item);
TeamListItem* Item() { return fItem; }
private:
TeamListItem* fItem;
int32 fSeconds;
BMessageRunner* fRebootRunner;
IconView* fIconView;
BCardLayout* fLayout;
BStringView* fInfoTextView;
BStringView* fTeamName;
BStringView* fSysComponent;
BStringView* fQuitOverdue;
};
static const uint32 kMsgUpdate = 'TMup';
static const uint32 kMsgLaunchTerminal = 'TMlt';
const uint32 TM_CANCEL = 'TMca';
const uint32 TM_FORCE_REBOOT = 'TMfr';
const uint32 TM_KILL_APPLICATION = 'TMka';
const uint32 TM_QUIT_APPLICATION = 'TMqa';
const uint32 TM_RESTART_DESKTOP = 'TMrd';
const uint32 TM_SELECTED_TEAM = 'TMst';
static const uint32 kMsgRebootTick = 'TMrt';
TeamMonitorWindow::TeamMonitorWindow()
:
BWindow(BRect(0, 0, 350, 100), B_TRANSLATE("Team monitor"),
B_TITLED_WINDOW_LOOK, B_MODAL_ALL_WINDOW_FEEL,
B_NOT_MINIMIZABLE | B_NOT_ZOOMABLE | B_ASYNCHRONOUS_CONTROLS
| B_CLOSE_ON_ESCAPE | B_AUTO_UPDATE_SIZE_LIMITS,
B_ALL_WORKSPACES),
fQuitting(false),
fUpdateRunner(NULL)
{
BGroupLayout* layout = new BGroupLayout(B_VERTICAL);
float inset = 10;
layout->SetInsets(inset, inset, inset, inset);
layout->SetSpacing(inset);
SetLayout(layout);
layout->View()->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
fListView = new BOutlineListView("teams");
fListView->SetSelectionMessage(new BMessage(TM_SELECTED_TEAM));
BScrollView* scrollView = new BScrollView("scroll_teams", fListView,
0, B_SUPPORTS_LAYOUT, false, true, B_FANCY_BORDER);
scrollView->SetExplicitMinSize(BSize(B_SIZE_UNSET, 150));
fKillButton = new BButton("kill", B_TRANSLATE("Kill application"),
new BMessage(TM_KILL_APPLICATION));
fKillButton->SetEnabled(false);
fQuitButton = new BButton("quit", B_TRANSLATE("Quit application"),
new BMessage(TM_QUIT_APPLICATION));
fQuitButton->SetEnabled(false);
fDescriptionView = new TeamDescriptionView;
BButton* forceReboot = new BButton("force", B_TRANSLATE("Force reboot"),
new BMessage(TM_FORCE_REBOOT));
fRestartButton = new BButton("restart", B_TRANSLATE("Restart the desktop"),
new BMessage(TM_RESTART_DESKTOP));
BButton* openTerminal = new BButton("terminal",
B_TRANSLATE("Open Terminal"), new BMessage(kMsgLaunchTerminal));
fCancelButton = new BButton("cancel", B_TRANSLATE("Cancel"),
new BMessage(TM_CANCEL));
SetDefaultButton(fCancelButton);
BGroupLayoutBuilder(layout)
.Add(scrollView, 10)
.AddGroup(B_HORIZONTAL)
.SetInsets(0, 0, 0, 0)
.Add(fKillButton)
.Add(fQuitButton)
.AddGlue()
.End()
.Add(fDescriptionView)
.AddGroup(B_HORIZONTAL)
.SetInsets(0, 0, 0, 0)
.Add(forceReboot)
.AddGlue()
.Add(fRestartButton)
.AddGlue(inset)
.Add(openTerminal)
.Add(fCancelButton);
CenterOnScreen();
fRestartButton->Hide();
AddShortcut('T', B_COMMAND_KEY | B_OPTION_KEY,
new BMessage(kMsgLaunchTerminal));
AddShortcut('W', B_COMMAND_KEY, new BMessage(B_QUIT_REQUESTED));
gLocalizedNamePreferred
= BLocaleRoster::Default()->IsFilesystemTranslationPreferred();
gTeamMonitorWindow = this;
this->AddCommonFilter(new BMessageFilter(B_ANY_DELIVERY,
B_ANY_SOURCE, B_KEY_DOWN, FilterKeyDown));
if (be_app->Lock()) {
be_app->AddCommonFilter(new BMessageFilter(B_ANY_DELIVERY,
B_ANY_SOURCE, B_LOCALE_CHANGED, FilterLocaleChanged));
be_app->Unlock();
}
}
TeamMonitorWindow::~TeamMonitorWindow()
{
while (fTeamQuitterList.ItemAt(0) != NULL) {
TeamQuitter* teamQuitter = reinterpret_cast<TeamQuitter*>
(fTeamQuitterList.RemoveItem((int32) 0));
if (teamQuitter != NULL) {
status_t status;
wait_for_thread(teamQuitter->thread, &status);
delete teamQuitter;
}
}
}
void
TeamMonitorWindow::MessageReceived(BMessage* msg)
{
switch (msg->what) {
case SYSTEM_SHUTTING_DOWN:
fQuitting = true;
break;
case kMsgUpdate:
_UpdateList();
break;
case kMsgCtrlAltDelPressed:
bool keyDown;
if (msg->FindBool("key down", &keyDown) != B_OK)
break;
fDescriptionView->CtrlAltDelPressed(keyDown);
break;
case kMsgDeselectAll:
fListView->DeselectAll();
break;
case kMsgLaunchTerminal:
be_roster->Launch("application/x-vnd.Haiku-Terminal");
PostMessage(B_QUIT_REQUESTED);
break;
case TM_FORCE_REBOOT:
_kern_shutdown(true);
break;
case TM_KILL_APPLICATION:
{
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(
fListView->FullListCurrentSelection()));
if (item != NULL) {
kill_team(item->GetInfo()->team);
_UpdateList();
}
break;
}
case TM_QUIT_APPLICATION:
{
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(
fListView->FullListCurrentSelection()));
if (item != NULL)
QuitTeam(item);
break;
}
case kMsgQuitFailed:
MarkUnquittableTeam(msg);
break;
case TM_RESTART_DESKTOP:
{
if (!be_roster->IsRunning(kTrackerSignature))
be_roster->Launch(kTrackerSignature);
if (!be_roster->IsRunning(kDeskbarSignature))
be_roster->Launch(kDeskbarSignature);
fRestartButton->Hide();
SetDefaultButton(fCancelButton);
break;
}
case TM_SELECTED_TEAM:
{
fKillButton->SetEnabled(fListView->FullListCurrentSelection() >= 0);
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(
fListView->FullListCurrentSelection()));
fDescriptionView->SetItem(item);
fQuitButton->SetEnabled(item != NULL && item->IsApplication());
break;
}
case TM_CANCEL:
PostMessage(B_QUIT_REQUESTED);
break;
default:
BWindow::MessageReceived(msg);
break;
}
}
void
TeamMonitorWindow::Show()
{
fListView->MakeFocus();
BWindow::Show();
}
bool
TeamMonitorWindow::QuitRequested()
{
Disable();
return fQuitting;
}
void
TeamMonitorWindow::Enable()
{
if (Lock()) {
if (IsHidden()) {
BMessage message(kMsgUpdate);
fUpdateRunner = new BMessageRunner(this, &message, 1000000LL);
_UpdateList();
Show();
}
Unlock();
}
InvalidateLayout();
}
void
TeamMonitorWindow::Disable()
{
delete fUpdateRunner;
fUpdateRunner = NULL;
Hide();
fListView->DeselectAll();
for (int32 i = 0; i < fListView->FullListCountItems(); i++) {
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(i));
if (item != NULL)
item->SetRefusingToQuit(false);
}
}
void
TeamMonitorWindow::LocaleChanged()
{
BLocaleRoster::Default()->Refresh();
gLocalizedNamePreferred
= BLocaleRoster::Default()->IsFilesystemTranslationPreferred();
for (int32 i = 0; i < fListView->FullListCountItems(); i++) {
TeamListItem* item
= dynamic_cast<TeamListItem*>(fListView->FullListItemAt(i));
if (item != NULL)
item->CacheLocalizedName();
}
}
void
TeamMonitorWindow::QuitTeam(TeamListItem* item)
{
if (item == NULL)
return;
TeamQuitter* teamQuitter = new TeamQuitter;
teamQuitter->team = item->GetInfo()->team;
teamQuitter->window = this;
teamQuitter->thread = spawn_thread(QuitTeamThreadFunction,
"team quitter", B_DISPLAY_PRIORITY, teamQuitter);
if (teamQuitter->thread < 0) {
delete teamQuitter;
return;
}
fTeamQuitterList.AddItem(teamQuitter);
if (resume_thread(teamQuitter->thread) != B_OK) {
fTeamQuitterList.RemoveItem(teamQuitter);
delete teamQuitter;
}
}
void
TeamMonitorWindow::MarkUnquittableTeam(BMessage* message)
{
if (message == NULL)
return;
int32 reply;
if (message->FindInt32("error", &reply) != B_OK)
return;
TeamQuitter* teamQuitter;
if (message->FindPointer("TeamQuitter",
reinterpret_cast<void**>(&teamQuitter)) != B_OK)
return;
for (int32 i = 0; i < fListView->FullListCountItems(); i++) {
TeamListItem* item
= dynamic_cast<TeamListItem*>(fListView->FullListItemAt(i));
if (item != NULL && item->GetInfo()->team == teamQuitter->team) {
item->SetRefusingToQuit(true);
fListView->Select(i);
fListView->InvalidateItem(i);
fDescriptionView->SetItem(item);
break;
}
}
fTeamQuitterList.RemoveItem(teamQuitter);
delete teamQuitter;
}
bool
TeamMonitorWindow::HandleKeyDown(BMessage* msg)
{
uint32 rawChar = msg->FindInt32("raw_char");
uint32 modifier = msg->FindInt32("modifiers");
if ((modifier & (B_CONTROL_KEY | B_COMMAND_KEY))
== (B_CONTROL_KEY | B_COMMAND_KEY))
return false;
bool quit = false;
bool kill = false;
switch (rawChar) {
case B_DELETE:
if (modifier & B_SHIFT_KEY)
kill = true;
else
quit = true;
break;
case 'q':
case 'Q':
quit = true;
break;
case 'k':
case 'K':
kill = true;
break;
}
if (quit) {
PostMessage(TM_QUIT_APPLICATION);
return true;
} else if (kill) {
PostMessage(TM_KILL_APPLICATION);
return true;
}
return false;
}
void
TeamMonitorWindow::_UpdateList()
{
bool changed = false;
for (int32 i = 0; i < fListView->FullListCountItems(); i++) {
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(i));
if (item != NULL)
item->SetFound(false);
}
std::set<BString> paths;
int32 cookie = 0;
team_info info;
while (get_next_team_info(&cookie, &info) == B_OK) {
if (info.team <=16)
continue;
app_info ai;
bool isApp = be_roster->GetRunningAppInfo(info.team, &ai) == B_OK;
TeamListItem* item = fItemMap.Get(info.team);
if (item != NULL && isApp == item->IsApplication()) {
item->SetFound(true);
paths.insert(BString(item->Path()->Path()));
continue;
}
item = new TeamListItem(info);
item->SetFound(true);
TeamListItem* insertUnder = NULL;
if (!isApp || paths.count(item->Path()->Path()) > 0) {
int32 spawner_id = _kern_process_info(info.team, PARENT_ID);
insertUnder = fItemMap.Get(spawner_id);
while (insertUnder != NULL && !insertUnder->IsParent())
insertUnder = dynamic_cast<TeamListItem*>(fListView->Superitem(insertUnder));
if (insertUnder != NULL) {
if (isApp && *insertUnder->Path() != *item->Path())
insertUnder = NULL;
else if (!insertUnder->Found())
insertUnder = NULL;
}
}
if (insertUnder != NULL)
fListView->AddUnder(item, insertUnder);
else {
item->SetIsParent(true);
fListView->AddItem(item,
item->IsSystemServer() ? fListView->FullListCountItems() : 0);
fListView->Collapse(item);
}
fItemMap.Put(info.team, item);
paths.insert(BString(item->Path()->Path()));
changed = true;
}
for (int32 i = fListView->FullListCountItems() - 1; i >= 0; i--) {
TeamListItem* item = dynamic_cast<TeamListItem*>(fListView->FullListItemAt(i));
if (item != NULL && !item->Found()) {
if (item == fDescriptionView->Item()) {
fDescriptionView->SetItem(NULL);
fKillButton->SetEnabled(false);
fQuitButton->SetEnabled(false);
}
if (item->IsParent()) {
for (int32 j = 0; j < fListView->CountItemsUnder(item, true); j++) {
TeamListItem* child = dynamic_cast<TeamListItem*>(
fListView->ItemUnderAt(item, true, j));
if (child != NULL && !fItemMap.Get(child->GetInfo()->team)->Found())
fItemMap.Remove(child->GetInfo()->team);
}
}
if (!fItemMap.Get(item->GetInfo()->team)->Found())
fItemMap.Remove(item->GetInfo()->team);
delete fListView->RemoveItem(i);
changed = true;
}
}
if (changed)
fListView->Invalidate();
bool desktopRunning = be_roster->IsRunning(kTrackerSignature)
&& be_roster->IsRunning(kDeskbarSignature);
if (!desktopRunning && fRestartButton->IsHidden()) {
fRestartButton->Show();
SetDefaultButton(fRestartButton);
fRestartButton->Parent()->Layout(true);
}
fRestartButton->SetEnabled(!desktopRunning);
}
TeamDescriptionView::TeamDescriptionView()
:
BView("description view", B_WILL_DRAW),
fItem(NULL),
fSeconds(4),
fRebootRunner(NULL)
{
fTeamName = new BStringView("team name", "team name");
fTeamName->SetTruncation(B_TRUNCATE_BEGINNING);
fTeamName->SetExplicitSize(BSize(StringWidth("x") * 60, B_SIZE_UNSET));
fSysComponent = new BStringView("system component", B_TRANSLATE(
"(This team is a system component)"));
fQuitOverdue = new BStringView("quit overdue", B_TRANSLATE(
"If the application will not quit you may have to kill it."));
fQuitOverdue->SetFont(be_bold_font);
fInfoTextView = new BStringView("info text", "");
fInfoTextView->SetLowUIColor(B_PANEL_BACKGROUND_COLOR);
fInfoTextView->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
fIconView = new IconView();
fIconView->SetExplicitAlignment(
BAlignment(B_ALIGN_HORIZONTAL_UNSET, B_ALIGN_VERTICAL_CENTER));
BView* teamPropertiesView = new BView("team properties", B_WILL_DRAW);
teamPropertiesView->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
BGridLayout* layout = new BGridLayout();
teamPropertiesView->SetLayout(layout);
BLayoutBuilder::Grid<>(layout)
.SetInsets(0)
.SetSpacing(B_USE_ITEM_SPACING, 0)
.AddGlue(0, 0)
.Add(fIconView, 0, 1, 1, 3)
.AddGlue(1, 0)
.Add(fTeamName, 1, 2)
.Add(fSysComponent, 1, 3)
.Add(fQuitOverdue, 1, 4)
.AddGlue(0, 5)
.AddGlue(2, 1);
fLayout = new BCardLayout();
SetLayout(fLayout);
fLayout->AddView(fInfoTextView);
fLayout->AddView(teamPropertiesView);
SetItem(NULL);
}
TeamDescriptionView::~TeamDescriptionView()
{
delete fRebootRunner;
}
void
TeamDescriptionView::MessageReceived(BMessage* message)
{
switch (message->what) {
case kMsgRebootTick:
fSeconds--;
if (fSeconds == 0)
Window()->PostMessage(TM_FORCE_REBOOT);
else
SetItem(fItem);
break;
default:
BView::MessageReceived(message);
}
}
void
TeamDescriptionView::CtrlAltDelPressed(bool keyDown)
{
if (!(keyDown ^ (fRebootRunner != NULL)))
return;
delete fRebootRunner;
fRebootRunner = NULL;
fSeconds = 4;
if (keyDown) {
Window()->PostMessage(kMsgDeselectAll);
BMessage tick(kMsgRebootTick);
fRebootRunner = new BMessageRunner(this, &tick, 1000000LL);
}
SetItem(NULL);
}
void
TeamDescriptionView::SetItem(TeamListItem* item)
{
fItem = item;
if (item == NULL) {
if (fInfoTextView != NULL) {
BFont font;
fInfoTextView->GetFont(&font);
font.SetFace(B_REGULAR_FACE);
if (fRebootRunner != NULL && fSeconds < 4)
font.SetFace(B_BOLD_FACE);
fInfoTextView->SetFont(&font);
static BStringFormat format(B_TRANSLATE("{0, plural,"
"one{Hold CONTROL+ALT+DELETE for # second to reboot.}"
"other{Hold CONTROL+ALT+DELETE for # seconds to reboot.}}"));
BString text;
format.Format(text, fSeconds);
fInfoTextView->SetText(text);
}
} else {
fTeamName->SetText(item->Path()->Path());
if (item->IsSystemServer()) {
if (fSysComponent->IsHidden(fSysComponent))
fSysComponent->Show();
} else {
if (!fSysComponent->IsHidden(fSysComponent))
fSysComponent->Hide();
}
if (item->IsRefusingToQuit()) {
if (fQuitOverdue->IsHidden(fQuitOverdue))
fQuitOverdue->Show();
} else {
if (!fQuitOverdue->IsHidden(fQuitOverdue))
fQuitOverdue->Hide();
}
fIconView->SetIcon(item->LargeIcon());
}
if (fLayout == NULL)
return;
if (item == NULL)
fLayout->SetVisibleItem((int32)0);
else
fLayout->SetVisibleItem((int32)1);
Invalidate();
}
