vcs: do not compute 'Change.getOriginText' on EDT

GitOrigin-RevId: da3967571ba877a929a4a349cdc702ef82b6cad3

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesBrowserChangeNode.java

@@ -41,6 +41,12 @@ public class ChangesBrowserChangeNode extends ChangesBrowserNode<Change> impleme
     return ChangesUtil.getFilePath(getUserObject()).isDirectory();
   }
 
+  @Override
+  protected void preparePresentationDataCaches(@NotNull Project project) {
+    getUserObject().getOriginText(project);
+    super.preparePresentationDataCaches(project);
+  }
+
   @Override
   public void render(@NotNull ChangesBrowserNodeRenderer renderer, boolean selected, boolean expanded, boolean hasFocus) {
     ReadAction.run(() -> {

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesBrowserNode.java

@@ -18,6 +18,7 @@ import com.intellij.ui.DirtyUI;
 import com.intellij.ui.JBColor;
 import com.intellij.ui.SimpleTextAttributes;
 import com.intellij.util.ObjectUtils;
+import com.intellij.util.concurrency.annotations.RequiresBackgroundThread;
 import com.intellij.util.containers.Convertor;
 import com.intellij.util.containers.JBIterable;
 import com.intellij.util.ui.tree.TreeUtil;
@@ -73,6 +74,11 @@ public abstract class ChangesBrowserNode<T> extends DefaultMutableTreeNode imple
     super(userObject);
   }
 
+  @RequiresBackgroundThread
+  protected void preparePresentationDataCaches(@NotNull Project project) {
+    getBackgroundColorCached(project);
+  }
+
   /**
    * see {@link TreeModelBuilder#precalculateFileColors(Project, ChangesBrowserNode)}
    */

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/TreeModelBuilder.java

@@ -464,7 +464,7 @@ public class TreeModelBuilder implements ChangesViewModelBuilder {
   @RequiresReadLock
   private static void precalculateFileColors(@NotNull Project project, @NotNull ChangesBrowserNode<?> root) {
     root.traverse().forEach(node -> {
-      node.getBackgroundColorCached(project);
+      node.preparePresentationDataCaches(project);
       // Allow to interrupt read lock
       ProgressManager.checkCanceled();
     });