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,
@@ -157,17 +158,17 @@ OpenToolTipWindow(BRect rect, const char *name, const char *string, BMessenger t
 
 
 BInfoWindow::BInfoWindow(Model *model, int32 group_index, LockingList<BWindow> *list)
-	:	BWindow(BInfoWindow::InfoWindowRect(false),
+	: BWindow(BInfoWindow::InfoWindowRect(false),
-			"InfoWindow", B_TITLED_WINDOW,
+		"InfoWindow", B_TITLED_WINDOW,
-			B_NOT_RESIZABLE | B_NOT_ZOOMABLE, B_CURRENT_WORKSPACE),
+		B_NOT_RESIZABLE | B_NOT_ZOOMABLE, B_CURRENT_WORKSPACE),
-		fModel(model),
+	fModel(model),
-		fStopCalc(false),
+	fStopCalc(false),
-		fIndex(group_index),
+	fIndex(group_index),
-		fCalcThreadID(-1),
+	fCalcThreadID(-1),
-		fWindowList(list),
+	fWindowList(list),
-		fPermissionsView(NULL),
+	fPermissionsView(NULL),
-		fFilePanel(NULL),
+	fFilePanel(NULL),
-		fFilePanelOpen(false)
+	fFilePanelOpen(false)
 {
 	SetPulseRate(1000000);		// we use pulse to check freebytes on volume
 
@@ -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;
 	}
 
@@ -692,20 +692,20 @@ BInfoWindow::OpenFilePanel(const entry_ref *ref)
 
 
 AttributeView::AttributeView(BRect rect, Model *model)
-	:	BView(rect, "attr_view", B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_PULSE_NEEDED),
+	: BView(rect, "attr_view", B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_PULSE_NEEDED),
-		fDivider(0),
+	fDivider(0),
-		fPreferredAppMenu(NULL),
+	fPreferredAppMenu(NULL),
-		fModel(model),
+	fModel(model),
-		fIconModel(model),
+	fIconModel(model),
-		fMouseDown(false),
+	fMouseDown(false),
-		fDragging(false),
+	fDragging(false),
-		fDoubleClick(false),
+	fDoubleClick(false),
-		fTrackingState(no_track),
+	fTrackingState(no_track),
-		fIsDropTarget(false),
+	fIsDropTarget(false),
-		fTitleEditView(NULL),
+	fTitleEditView(NULL),
-		fPathWindow(NULL),
+	fPathWindow(NULL),
-		fLinkWindow(NULL),
+	fLinkWindow(NULL),
-		fDescWindow(NULL)
+	fDescWindow(NULL)
 {
 	// Set view color to standard background grey
 	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
@@ -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()) {
+	if (fModel->IsVolume() || fModel->IsRoot()) {
-		BVolume volume(fModel->NodeRef()->device);
+		off_t freeBytes = 0;
-		off_t freeBytes = volume.FreeBytes();
+		off_t capacity = 0;
+
+		if (fModel->IsVolume()) {
+			BVolume volume(fModel->NodeRef()->device);
+			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'));
@@ -1997,10 +2011,10 @@ AttributeView::SetSizeStr(const char *sizeStr)
 
 
 TrackingView::TrackingView(BRect frame, const char *str, const BFont *font, BMessage *message)
-	:	BControl(frame, "trackingView", str, message, B_FOLLOW_ALL, B_WILL_DRAW),
+	: BControl(frame, "trackingView", str, message, B_FOLLOW_ALL, B_WILL_DRAW),
-		fMouseDown(false),
+	fMouseDown(false),
-		fMouseInView(false),
+	fMouseInView(false),
-		fFont(*font)
+	fFont(*font)
 {
 	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
 	SetEventMask(B_POINTER_EVENTS, 0);
@@ -2035,7 +2049,9 @@ void
 TrackingView::MouseUp(BPoint)
 {
 	if (Message() != NULL) {
-		if (fMouseInView) Invoke();
+		if (fMouseInView)
+			Invoke();
+
 		fMouseDown = false;
 		Window()->Close();
 	}