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TeamsListView.cpp
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TeamsListView.cpp
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/*
* Copyright 2009-2010, Philippe Houdoin, phoudoin@haiku-os.org. All rights reserved.
* Copyright 2013, Rene Gollent, rene@gollent.com.
* Distributed under the terms of the MIT License.
*/
#include "TeamsListView.h"
#include <algorithm>
#include <new>
#include <stdio.h>
#include <string.h>
#include <AppMisc.h>
#include <Bitmap.h>
#include <ColumnTypes.h>
#include <FindDirectory.h>
#include <MimeType.h>
#include <MessageRunner.h>
#include <NodeInfo.h>
#include <Path.h>
#include <Roster.h>
#include <String.h>
#include <AutoLocker.h>
#include "TargetHostInterface.h"
enum {
MSG_TEAM_ADDED = 'tead',
MSG_TEAM_REMOVED = 'tere',
MSG_TEAM_RENAMED = 'tern'
};
// #pragma mark - BitmapStringField
BBitmapStringField::BBitmapStringField(BBitmap* bitmap, const char* string)
:
Inherited(string),
fBitmap(bitmap)
{
}
BBitmapStringField::~BBitmapStringField()
{
delete fBitmap;
}
void
BBitmapStringField::SetBitmap(BBitmap* bitmap)
{
delete fBitmap;
fBitmap = bitmap;
// TODO: cause a redraw?
}
// #pragma mark - TeamsColumn
float TeamsColumn::sTextMargin = 0.0;
TeamsColumn::TeamsColumn(const char* title, float width, float minWidth,
float maxWidth, uint32 truncateMode, alignment align)
:
Inherited(title, width, minWidth, maxWidth, align),
fTruncateMode(truncateMode)
{
SetWantsEvents(true);
}
void
TeamsColumn::DrawField(BField* field, BRect rect, BView* parent)
{
BBitmapStringField* bitmapField
= dynamic_cast<BBitmapStringField*>(field);
BStringField* stringField = dynamic_cast<BStringField*>(field);
if (bitmapField) {
const BBitmap* bitmap = bitmapField->Bitmap();
// figure out the placement
float x = 0.0;
BRect r = bitmap ? bitmap->Bounds() : BRect(0, 0, 15, 15);
float y = rect.top + ((rect.Height() - r.Height()) / 2);
float width = 0.0;
switch (Alignment()) {
default:
case B_ALIGN_LEFT:
case B_ALIGN_CENTER:
x = rect.left + sTextMargin;
width = rect.right - (x + r.Width()) - (2 * sTextMargin);
r.Set(x + r.Width(), rect.top, rect.right - width, rect.bottom);
break;
case B_ALIGN_RIGHT:
x = rect.right - sTextMargin - r.Width();
width = (x - rect.left - (2 * sTextMargin));
r.Set(rect.left, rect.top, rect.left + width, rect.bottom);
break;
}
if (width != bitmapField->Width()) {
BString truncatedString(bitmapField->String());
parent->TruncateString(&truncatedString, fTruncateMode, width + 2);
bitmapField->SetClippedString(truncatedString.String());
bitmapField->SetWidth(width);
}
// draw the bitmap
if (bitmap) {
parent->SetDrawingMode(B_OP_ALPHA);
parent->DrawBitmap(bitmap, BPoint(x, y));
parent->SetDrawingMode(B_OP_OVER);
}
// draw the string
DrawString(bitmapField->ClippedString(), parent, r);
} else if (stringField) {
float width = rect.Width() - (2 * sTextMargin);
if (width != stringField->Width()) {
BString truncatedString(stringField->String());
parent->TruncateString(&truncatedString, fTruncateMode, width + 2);
stringField->SetClippedString(truncatedString.String());
stringField->SetWidth(width);
}
DrawString(stringField->ClippedString(), parent, rect);
}
}
float
TeamsColumn::GetPreferredWidth(BField *_field, BView* parent) const
{
BBitmapStringField* bitmapField
= dynamic_cast<BBitmapStringField*>(_field);
BStringField* stringField = dynamic_cast<BStringField*>(_field);
float parentWidth = Inherited::GetPreferredWidth(_field, parent);
float width = 0.0;
if (bitmapField) {
const BBitmap* bitmap = bitmapField->Bitmap();
BFont font;
parent->GetFont(&font);
width = font.StringWidth(bitmapField->String()) + 3 * sTextMargin;
if (bitmap)
width += bitmap->Bounds().Width();
else
width += 16;
} else if (stringField) {
BFont font;
parent->GetFont(&font);
width = font.StringWidth(stringField->String()) + 2 * sTextMargin;
}
return max_c(width, parentWidth);
}
bool
TeamsColumn::AcceptsField(const BField* field) const
{
return dynamic_cast<const BStringField*>(field) != NULL;
}
void
TeamsColumn::InitTextMargin(BView* parent)
{
BFont font;
parent->GetFont(&font);
sTextMargin = ceilf(font.Size() * 0.8);
}
// #pragma mark - TeamRow
enum {
kNameColumn,
kIDColumn
};
TeamRow::TeamRow(TeamInfo* info)
: BRow(std::max(20.0f, ceilf(be_plain_font->Size() * 1.4)))
{
_SetTo(info);
}
bool
TeamRow::NeedsUpdate(TeamInfo* info)
{
// Check if we need to rebuilt the row's fields because the team critical
// info (basically, app image running under that team ID) has changed
if (info->Arguments() != fTeamInfo.Arguments()) {
_SetTo(info);
return true;
}
return false;
}
status_t
TeamRow::_SetTo(TeamInfo* info)
{
fTeamInfo = *info;
app_info appInfo;
status_t status = be_roster->GetRunningAppInfo(fTeamInfo.TeamID(),
&appInfo);
if (status != B_OK) {
// Not an application known to be_roster
if (fTeamInfo.TeamID() == B_SYSTEM_TEAM) {
// Get icon and name from kernel image
system_info systemInfo;
get_system_info(&systemInfo);
BPath kernelPath;
find_directory(B_BEOS_SYSTEM_DIRECTORY, &kernelPath);
kernelPath.Append(systemInfo.kernel_name);
get_ref_for_path(kernelPath.Path(), &appInfo.ref);
} else
BPrivate::get_app_ref(fTeamInfo.TeamID(), &appInfo.ref);
}
BBitmap* icon = new BBitmap(BRect(0, 0, B_MINI_ICON - 1, B_MINI_ICON - 1),
B_RGBA32);
status = BNodeInfo::GetTrackerIcon(&appInfo.ref, icon, B_MINI_ICON);
if (status != B_OK) {
BMimeType genericAppType(B_APP_MIME_TYPE);
status = genericAppType.GetIcon(icon, B_MINI_ICON);
}
if (status != B_OK) {
delete icon;
icon = NULL;
}
BString tmp;
tmp << fTeamInfo.TeamID();
SetField(new BBitmapStringField(icon, fTeamInfo.Arguments()), kNameColumn);
SetField(new BStringField(tmp), kIDColumn);
return status;
}
// #pragma mark - TeamsListView
TeamsListView::TeamsListView(const char* name, team_id currentTeam,
TargetHostInterface* interface)
:
Inherited(name, B_NAVIGABLE, B_PLAIN_BORDER),
TargetHost::Listener(),
fCurrentTeam(currentTeam),
fInterface(interface)
{
fInterface->AcquireReference();
AddColumn(new TeamsColumn("Name", 400, 100, 600,
B_TRUNCATE_BEGINNING), kNameColumn);
AddColumn(new TeamsColumn("ID", 80, 40, 100,
B_TRUNCATE_MIDDLE, B_ALIGN_RIGHT), kIDColumn);
SetSortingEnabled(false);
}
TeamsListView::~TeamsListView()
{
fInterface->ReleaseReference();
}
void
TeamsListView::AttachedToWindow()
{
Inherited::AttachedToWindow();
TeamsColumn::InitTextMargin(ScrollView());
fInterface->GetTargetHost()->AddListener(this);
_InitList();
}
void
TeamsListView::DetachedFromWindow()
{
Inherited::DetachedFromWindow();
fInterface->GetTargetHost()->RemoveListener(this);
Clear();
}
void
TeamsListView::MessageReceived(BMessage* message)
{
switch (message->what) {
case MSG_TEAM_ADDED:
{
TeamInfo* info;
team_id team;
if (message->FindInt32("team", &team) != B_OK)
break;
TargetHost* host = fInterface->GetTargetHost();
AutoLocker<TargetHost> hostLocker(host);
info = host->TeamInfoByID(team);
if (info == NULL)
break;
TeamRow* row = new TeamRow(info);
AddRow(row);
break;
}
case MSG_TEAM_REMOVED:
{
team_id team;
if (message->FindInt32("team", &team) != B_OK)
break;
TeamRow* row = FindTeamRow(team);
if (row != NULL) {
RemoveRow(row);
delete row;
}
break;
}
case MSG_TEAM_RENAMED:
{
TeamInfo* info;
team_id team;
if (message->FindInt32("team", &team) != B_OK)
break;
TargetHost* host = fInterface->GetTargetHost();
AutoLocker<TargetHost> hostLocker(host);
info = host->TeamInfoByID(team);
if (info == NULL)
break;
TeamRow* row = FindTeamRow(info->TeamID());
if (row != NULL && row->NeedsUpdate(info))
UpdateRow(row);
break;
}
default:
Inherited::MessageReceived(message);
}
}
TeamRow*
TeamsListView::FindTeamRow(team_id teamId)
{
for (int32 i = CountRows(); i-- > 0;) {
TeamRow* row = dynamic_cast<TeamRow*>(RowAt(i));
if (row == NULL)
continue;
if (row->TeamID() == teamId)
return row;
}
return NULL;
}
void
TeamsListView::TeamAdded(TeamInfo* info)
{
BMessage message(MSG_TEAM_ADDED);
message.AddInt32("team", info->TeamID());
BMessenger(this).SendMessage(&message);
}
void
TeamsListView::TeamRemoved(team_id team)
{
BMessage message(MSG_TEAM_REMOVED);
message.AddInt32("team", team);
BMessenger(this).SendMessage(&message);
}
void
TeamsListView::TeamRenamed(TeamInfo* info)
{
BMessage message(MSG_TEAM_RENAMED);
message.AddInt32("team", info->TeamID());
BMessenger(this).SendMessage(&message);
}
void
TeamsListView::_InitList()
{
TargetHost* host = fInterface->GetTargetHost();
AutoLocker<TargetHost> hostLocker(host);
for (int32 i = 0; i < host->CountTeams(); i++) {
TeamInfo* info = host->TeamInfoAt(i);
BRow* row = new TeamRow(info);
AddRow(row);
}
}