From a4db376caae2083d6867ba4c2f5fb6fe423242da Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Mon, 3 Aug 2015 11:32:15 -0400
Subject: [PATCH] Tracker: Fix crash when the VirtualDirectoryWindow can't
 create the PoseView.

Fixes #11859. We may want to show an error message rather than failing
silently, but at least that is better than crashing.
---
 src/kits/tracker/ContainerWindow.cpp        | 2 +-
 src/kits/tracker/Tracker.cpp                | 6 ++++++
 src/kits/tracker/VirtualDirectoryWindow.cpp | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/kits/tracker/ContainerWindow.cpp b/src/kits/tracker/ContainerWindow.cpp
index 808e95717c..4cb4308c0a 100644
--- a/src/kits/tracker/ContainerWindow.cpp
+++ b/src/kits/tracker/ContainerWindow.cpp
@@ -1200,7 +1200,7 @@ BContainerWindow::SaveState(BMessage& message) const
 bool
 BContainerWindow::StateNeedsSaving() const
 {
-	return fStateNeedsSaving || PoseView()->StateNeedsSaving();
+	return fPoseView != NULL && (fStateNeedsSaving || fPoseView->StateNeedsSaving());
 }
 
 
diff --git a/src/kits/tracker/Tracker.cpp b/src/kits/tracker/Tracker.cpp
index fd2e0f4996..e5426cef32 100644
--- a/src/kits/tracker/Tracker.cpp
+++ b/src/kits/tracker/Tracker.cpp
@@ -1113,6 +1113,12 @@ TTracker::OpenContainerWindow(Model* model, BMessage* originalRefsList,
 
 	if (model != NULL && window->LockLooper()) {
 		window->CreatePoseView(model);
+		if (window->PoseView() == NULL) {
+			// Failed initialization.
+			window->PostMessage(B_QUIT_REQUESTED);
+			window->UnlockLooper();
+			return;
+		}
 		window->UnlockLooper();
 	}
 
diff --git a/src/kits/tracker/VirtualDirectoryWindow.cpp b/src/kits/tracker/VirtualDirectoryWindow.cpp
index 985bcc3f2b..40e361bfd8 100644
--- a/src/kits/tracker/VirtualDirectoryWindow.cpp
+++ b/src/kits/tracker/VirtualDirectoryWindow.cpp
@@ -76,6 +76,8 @@ void
 VirtualDirectoryWindow::CreatePoseView(Model* model)
 {
 	fPoseView = NewPoseView(model, kListMode);
+	if (fPoseView == NULL)
+		return;
 
 	fBorderedView->GroupLayout()->AddView(fPoseView);
 	fBorderedView->EnableBorderHighlight(false);