Imported InfoWindow.cpp 1.14 from the OT repository: the "Disks" info window no

longer calculates the size by iterating over all files - it now just adds up the
disk capacities.
This fixes the userland part of bug #210 - the kernel part has already been
fixed earlier.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16599 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/tracker/InfoWindow.cpp

@@ -133,7 +133,8 @@ OpenParentAndSelectOriginal(const entry_ref *ref)
 
 
 static BWindow *
-OpenToolTipWindow(BRect rect, const char *name, const char *string, BMessenger target, BFont &font, BMessage *message)
+OpenToolTipWindow(BRect rect, const char *name, const char *string,
+	BMessenger target, BFont &font, BMessage *message)
 {
 	BWindow *window = new BWindow(rect, name, B_BORDERED_WINDOW_LOOK,
 		B_FLOATING_ALL_WINDOW_FEEL,
@@ -261,7 +262,7 @@ BInfoWindow::Show()
 	ResizeTo(windRect.Width(), windRect.Height());
 
 	// volume case is handled by view
-	if (!TargetModel()->IsVolume()) {
+	if (!TargetModel()->IsVolume() && !TargetModel()->IsRoot()) {
 		if (TargetModel()->IsDirectory()) {
 			// if this is a folder then spawn thread to calculate size
 			SetSizeStr("calculating" B_UTF8_ELLIPSIS);
@@ -586,7 +587,6 @@ BInfoWindow::CalcSize(void *castToWindow)
 			return B_ERROR;
 
 		window->SetSizeStr("Error calculating folder size.");
-
 		return B_ERROR;
 	}
 
@@ -1102,7 +1102,7 @@ AttributeView::MouseDown(BPoint point)
 	} else if (fTitleEditView) {
 		FinishEditingTitle(true);
 	} else if (fSizeRect.Contains(point)) {
-		if (fModel->IsDirectory() && !fModel->IsVolume()) {
+		if (fModel->IsDirectory() && !fModel->IsVolume() && !fModel->IsRoot()) {
 			InvertRect(fSizeRect);
 			fTrackingState = size_track;
 		} else
@@ -1356,7 +1356,6 @@ AttributeView::OpenLinkTarget()
 		BInfoWindow *window = dynamic_cast<BInfoWindow *>(Window());
 		if (window) 
 			window->OpenFilePanel(fModel->EntryRef());
-		
 	} else {
 		entry_ref ref;
 		entry.GetRef(&ref);
@@ -1409,14 +1408,28 @@ AttributeView::MouseUp(BPoint point)
 void
 AttributeView::CheckAndSetSize()
 {
+	if (fModel->IsVolume() || fModel->IsRoot()) {
+		off_t freeBytes = 0;
+		off_t capacity = 0;
+
 		if (fModel->IsVolume()) {
 			BVolume volume(fModel->NodeRef()->device);
-		off_t freeBytes = volume.FreeBytes();
+			freeBytes = volume.FreeBytes();
+			capacity = volume.Capacity();
+		} else {
+			// iterate over all volumes
+			BVolumeRoster volumeRoster;
+			BVolume volume;
+			while (volumeRoster.GetNextVolume(&volume) == B_OK) {
+				freeBytes += volume.FreeBytes();
+				capacity += volume.Capacity();
+			}
+		}
+
 		if (fFreeBytes == freeBytes)
 			return;
 
 		fFreeBytes = freeBytes;
-		off_t capacity = volume.Capacity();
 		char buffer[500];
 		if (capacity >= kGBSize)
 			sprintf(buffer, "%.1f G", (float)capacity / kGBSize);
@@ -1478,7 +1491,6 @@ AttributeView::MessageReceived(BMessage *message)
 
 			fModel->SetPreferredAppSignature(newSignature);
 			nodeInfo.SetPreferredApp(newSignature);
-
 			break;
 		}
 
@@ -1557,7 +1569,7 @@ AttributeView::Draw(BRect)
 
 	// Capacity/size
 	SetHighColor(kAttrTitleColor);
-	if (fModel->IsVolume()) {
+	if (fModel->IsVolume() || fModel->IsRoot()) {
 		MovePenTo(BPoint(fDivider - (StringWidth("Capacity:")), lineBase));
 		DrawString("Capacity:");
 	} else {
@@ -1909,13 +1921,15 @@ AttributeView::BuildContextMenu(BMenu *parent)
 		parent->AddItem(new BMenuItem("Empty Trash", new BMessage(kEmptyTrash)));
 
 	BMenuItem *sizeItem = NULL;
-	if (model.IsDirectory() && !model.IsVolume()) 
+	if (model.IsDirectory() && !model.IsVolume() && !model.IsRoot())  {
 		parent->AddItem(sizeItem = new BMenuItem("Recalculate Folder Size",
 			new BMessage(kRecalculateSize)));
+	}
 
-	if (model.IsSymLink()) 
+	if (model.IsSymLink()) {
 		parent->AddItem(sizeItem = new BMenuItem("Set new link target",
 			new BMessage(kSetLinkTarget)));
+	}
 
 	parent->AddItem(new BSeparatorItem());
 	parent->AddItem(new BMenuItem("Permissions", new BMessage(kPermissionsSelected), 'P'));
@@ -2035,7 +2049,9 @@ void
 TrackingView::MouseUp(BPoint)
 {
 	if (Message() != NULL) {
-		if (fMouseInView) Invoke();
+		if (fMouseInView)
+			Invoke();
+
 		fMouseDown = false;
 		Window()->Close();
 	}