fix(gui): restore resource tabs on project open

jadx-gui/src/main/java/jadx/gui/jobs/DecompileTask.java

@@ -69,10 +69,13 @@ public class DecompileTask implements IBackgroundTask {
 	@Override
 	public void onFinish(TaskStatus status, long skippedJobs) {
 		long taskTime = System.currentTimeMillis() - startTime;
-		long avgPerCls = taskTime / expectedCompleteCount;
-		LOG.info("Decompile task complete in {} ms (avg {} ms per class), classes: {},"
-				+ " time limit:{ total: {}ms, per cls: {}ms }, status: {}",
-				taskTime, avgPerCls, expectedCompleteCount, timeLimit(), CLS_LIMIT, status);
+		long avgPerCls = taskTime / Math.max(expectedCompleteCount, 1);
+		if (LOG.isInfoEnabled()) {
+			LOG.info("Decompile task complete in " + taskTime + " ms (avg " + avgPerCls + " ms per class)"
+					+ ", classes: " + expectedCompleteCount
+					+ ", time limit:{ total: " + timeLimit() + "ms, per cls: " + CLS_LIMIT + "ms }"
+					+ ", status: " + status);
+		}
 
 		IndexService indexService = mainWindow.getCacheObject().getIndexService();
 		indexService.setComplete(true);

jadx-gui/src/main/java/jadx/gui/settings/JadxProject.java

@@ -7,6 +7,8 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -24,9 +26,9 @@ import jadx.api.data.impl.JadxCodeRef;
 import jadx.api.data.impl.JadxCodeRename;
 import jadx.api.data.impl.JadxNodeRef;
 import jadx.core.utils.GsonUtils;
-import jadx.core.utils.Utils;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 import jadx.gui.settings.data.ProjectData;
+import jadx.gui.settings.data.TabViewState;
 import jadx.gui.ui.MainWindow;
 import jadx.gui.ui.codearea.EditorViewState;
 import jadx.gui.utils.PathTypeAdapter;
@@ -127,13 +129,20 @@ public class JadxProject {
 	}
 
 	public void saveOpenTabs(List<EditorViewState> tabs, int activeTab) {
-		data.setOpenTabs(Utils.collectionMap(tabs, TabStateViewAdapter::build));
+		List<TabViewState> tabStateList = tabs.stream()
+				.map(TabStateViewAdapter::build)
+				.filter(Objects::nonNull)
+				.collect(Collectors.toList());
+		data.setOpenTabs(tabStateList);
 		data.setActiveTab(activeTab);
 		changed();
 	}
 
 	public List<EditorViewState> getOpenTabs(MainWindow mw) {
-		return Utils.collectionMap(data.getOpenTabs(), s -> TabStateViewAdapter.load(mw, s));
+		return data.getOpenTabs().stream()
+				.map(s -> TabStateViewAdapter.load(mw, s))
+				.filter(Objects::nonNull)
+				.collect(Collectors.toList());
 	}
 
 	public int getActiveTab() {

jadx-gui/src/main/java/jadx/gui/settings/TabStateViewAdapter.java

 package jadx.gui.settings;
 
 import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import jadx.api.JavaClass;
 import jadx.gui.settings.data.TabViewState;
 import jadx.gui.settings.data.ViewPoint;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JNode;
+import jadx.gui.treemodel.JResource;
 import jadx.gui.ui.MainWindow;
 import jadx.gui.ui.codearea.EditorViewState;
 
 public class TabStateViewAdapter {
+	private static final Logger LOG = LoggerFactory.getLogger(TabStateViewAdapter.class);
 
 	@Nullable
 	public static TabViewState build(EditorViewState viewState) {
 		TabViewState tvs = new TabViewState();
 		if (!saveJNode(tvs, viewState.getNode())) {
+			LOG.debug("Can't save view state: " + viewState);
 			return null;
 		}
 		tvs.setSubPath(viewState.getSubPath());
@@ -26,20 +31,30 @@ public class TabStateViewAdapter {
 
 	@Nullable
 	public static EditorViewState load(MainWindow mw, TabViewState tvs) {
-		JNode node = loadJNode(mw, tvs);
-		if (node == null) {
+		try {
+			JNode node = loadJNode(mw, tvs);
+			if (node == null) {
+				return null;
+			}
+			return new EditorViewState(node, tvs.getSubPath(), tvs.getCaret(), tvs.getView().toPoint());
+		} catch (Exception e) {
+			LOG.error("Failed to load tab state: " + tvs, e);
 			return null;
 		}
-		return new EditorViewState(node, tvs.getSubPath(), tvs.getCaret(), tvs.getView().toPoint());
 	}
 
 	@Nullable
 	private static JNode loadJNode(MainWindow mw, TabViewState tvs) {
-		if ("class".equals(tvs.getType())) {
-			JavaClass javaClass = mw.getWrapper().searchJavaClassByRawName(tvs.getTabPath());
-			if (javaClass != null) {
-				return mw.getCacheObject().getNodeCache().makeFrom(javaClass);
-			}
+		switch (tvs.getType()) {
+			case "class":
+				JavaClass javaClass = mw.getWrapper().searchJavaClassByRawName(tvs.getTabPath());
+				if (javaClass != null) {
+					return mw.getCacheObject().getNodeCache().makeFrom(javaClass);
+				}
+				break;
+			case "resource":
+				JResource tmpNode = new JResource(null, tvs.getTabPath(), JResource.JResType.FILE);
+				return mw.getTreeRoot().searchNode(tmpNode); // equals method in JResource check only name
 		}
 		return null;
 	}
@@ -50,6 +65,11 @@ public class TabStateViewAdapter {
 			tvs.setTabPath(((JClass) node).getCls().getRawName());
 			return true;
 		}
+		if (node instanceof JResource) {
+			tvs.setType("resource");
+			tvs.setTabPath(node.getName());
+			return true;
+		}
 		return false;
 	}
 }

jadx-gui/src/main/java/jadx/gui/treemodel/JRoot.java

@@ -3,7 +3,6 @@ package jadx.gui.treemodel;
 import java.io.File;
 import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.regex.Pattern;
@@ -38,20 +37,16 @@ public class JRoot extends JNode {
 		removeAllChildren();
 		add(new JSources(this, wrapper));
 
-		List<JResource> resList = getHierarchyResources(wrapper.getResources());
-		for (JResource jRes : resList) {
-			jRes.update();
-			add(jRes);
+		List<ResourceFile> resources = wrapper.getResources();
+		if (!resources.isEmpty()) {
+			add(getHierarchyResources(resources));
 		}
 		for (JNode customNode : customNodes) {
 			add(customNode);
 		}
 	}
 
-	private List<JResource> getHierarchyResources(List<ResourceFile> resources) {
-		if (resources.isEmpty()) {
-			return Collections.emptyList();
-		}
+	private JResource getHierarchyResources(List<ResourceFile> resources) {
 		JResource root = new JResource(null, NLS.str("tree.resources_title"), JResType.ROOT);
 		String splitPathStr = Pattern.quote(File.separator);
 		for (ResourceFile rf : resources) {
@@ -71,14 +66,15 @@ public class JRoot extends JNode {
 					if (i != count - 1) {
 						subRF = new JResource(null, name, JResType.DIR);
 					} else {
-						subRF = new JResource(rf, name, JResType.FILE);
+						subRF = new JResource(rf, rf.getOriginalName(), name, JResType.FILE);
 					}
 					curRf.getFiles().add(subRF);
 				}
 				curRf = subRF;
 			}
 		}
-		return Collections.singletonList(root);
+		root.update();
+		return root;
 	}
 
 	private JResource getResourceByName(JResource rf, String name) {
@@ -90,7 +86,7 @@ public class JRoot extends JNode {
 		return null;
 	}
 
-	public JNode searchClassInTree(JNode node) {
+	public JNode searchNode(JNode node) {
 		Enumeration<?> en = this.breadthFirstEnumeration();
 		while (en.hasMoreElements()) {
 			Object obj = en.nextElement();

jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java

@@ -124,7 +124,6 @@ import jadx.gui.update.data.Release;
 import jadx.gui.utils.CacheObject;
 import jadx.gui.utils.CodeUsageInfo;
 import jadx.gui.utils.FontUtils;
-import jadx.gui.utils.JNodeCache;
 import jadx.gui.utils.JumpPosition;
 import jadx.gui.utils.LafManager;
 import jadx.gui.utils.Link;
@@ -446,7 +445,7 @@ public class MainWindow extends JFrame {
 		deobfToggleBtn.setSelected(settings.isDeobfuscationOn());
 		initTree();
 		update();
-		restoreOpenTabs(project.getOpenTabs(this), project.getActiveTab());
+		restoreOpenTabs();
 		runInitialBackgroundJobs();
 		BreakpointManager.init(paths.get(0).getParent());
 	}
@@ -567,27 +566,11 @@ public class MainWindow extends JFrame {
 	public void reOpenFile() {
 		List<Path> openedFile = wrapper.getOpenPaths();
 		if (openedFile != null) {
-			int activeTab = tabbedPane.getSelectedIndex();
-			List<EditorViewState> viewStates = tabbedPane.getEditorViewStates();
-			open(openedFile, () -> restoreOpenTabs(viewStates, activeTab));
+			saveOpenTabs();
+			open(openedFile);
 		}
 	}
 
-	private void restoreOpenTabs(List<EditorViewState> openTabs, int activeTab) {
-		if (openTabs.isEmpty()) {
-			return;
-		}
-		JNodeCache nodeCache = getCacheObject().getNodeCache();
-		for (EditorViewState viewState : openTabs) {
-			JNode node = nodeCache.renew(wrapper, viewState.getNode());
-			if (node != null) {
-				viewState.setNode(node);
-				tabbedPane.restoreEditorViewState(viewState);
-			}
-		}
-		tabbedPane.setSelectedIndex(activeTab);
-	}
-
 	private void saveAll(boolean export) {
 		JFileChooser fileChooser = new JFileChooser();
 		fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
@@ -755,7 +738,7 @@ public class MainWindow extends JFrame {
 		JNode node = selectedContentPanel.getNode();
 		if (node.getParent() == null && treeRoot != null) {
 			// node not register in tree
-			node = treeRoot.searchClassInTree(node);
+			node = treeRoot.searchNode(node);
 			if (node == null) {
 				LOG.error("Class not found in tree");
 				return;
@@ -1328,6 +1311,17 @@ public class MainWindow extends JFrame {
 		project.saveOpenTabs(tabbedPane.getEditorViewStates(), tabbedPane.getSelectedIndex());
 	}
 
+	private void restoreOpenTabs() {
+		List<EditorViewState> openTabs = project.getOpenTabs(this);
+		if (openTabs.isEmpty()) {
+			return;
+		}
+		for (EditorViewState viewState : openTabs) {
+			tabbedPane.restoreEditorViewState(viewState);
+		}
+		tabbedPane.setSelectedIndex(project.getActiveTab());
+	}
+
 	private void saveSplittersInfo() {
 		settings.setMainWindowVerticalSplitterLoc(verticalSplitter.getDividerLocation());
 		settings.setDebuggerStackFrameSplitterLoc(debuggerPanel.getLeftSplitterLocation());

jadx-gui/src/main/java/jadx/gui/ui/TabbedPane.java

@@ -31,6 +31,7 @@ import jadx.gui.ui.codearea.EditorViewState;
 import jadx.gui.ui.codearea.SmaliArea;
 import jadx.gui.ui.panel.ContentPanel;
 import jadx.gui.ui.panel.HtmlPanel;
+import jadx.gui.ui.panel.IViewStateSupport;
 import jadx.gui.ui.panel.ImagePanel;
 import jadx.gui.utils.JumpManager;
 import jadx.gui.utils.JumpPosition;
@@ -263,9 +264,10 @@ public class TabbedPane extends JTabbedPane {
 	public List<EditorViewState> getEditorViewStates() {
 		List<EditorViewState> states = new ArrayList<>();
 		for (ContentPanel panel : openTabs.values()) {
-			EditorViewState viewState = panel.getEditorViewState();
-			if (viewState != null) {
-				states.add(viewState);
+			if (panel instanceof IViewStateSupport) {
+				states.add(((IViewStateSupport) panel).getEditorViewState());
+			} else {
+				states.add(new EditorViewState(panel.getNode(), "", 0, EditorViewState.ZERO));
 			}
 		}
 		return states;
@@ -273,8 +275,8 @@ public class TabbedPane extends JTabbedPane {
 
 	public void restoreEditorViewState(EditorViewState viewState) {
 		ContentPanel contentPanel = getContentPanel(viewState.getNode());
-		if (contentPanel != null) {
-			contentPanel.restoreEditorViewState(viewState);
+		if (contentPanel instanceof IViewStateSupport) {
+			((IViewStateSupport) contentPanel).restoreEditorViewState(viewState);
 		}
 	}
 

jadx-gui/src/main/java/jadx/gui/ui/codearea/ClassCodeContentPanel.java

@@ -8,6 +8,7 @@ import javax.swing.border.EmptyBorder;
 
 import jadx.gui.treemodel.JNode;
 import jadx.gui.ui.TabbedPane;
+import jadx.gui.ui.panel.IViewStateSupport;
 import jadx.gui.utils.NLS;
 
 /**
@@ -18,7 +19,7 @@ import jadx.gui.utils.NLS;
  * <li>Smali source code of the selected class</li>
  * </ul>
  */
-public final class ClassCodeContentPanel extends AbstractCodeContentPanel {
+public final class ClassCodeContentPanel extends AbstractCodeContentPanel implements IViewStateSupport {
 	private static final long serialVersionUID = -7229931102504634591L;
 
 	private final transient CodePanel javaCodePanel;

jadx-gui/src/main/java/jadx/gui/ui/codearea/CodeContentPanel.java

 package jadx.gui.ui.codearea;
 
 import java.awt.BorderLayout;
+import java.awt.Point;
 
 import jadx.gui.treemodel.JNode;
 import jadx.gui.ui.TabbedPane;
+import jadx.gui.ui.panel.IViewStateSupport;
 
-public final class CodeContentPanel extends AbstractCodeContentPanel {
+public final class CodeContentPanel extends AbstractCodeContentPanel implements IViewStateSupport {
 	private static final long serialVersionUID = 5310536092010045565L;
 
 	private final CodePanel codePanel;
@@ -47,4 +49,17 @@ public final class CodeContentPanel extends AbstractCodeContentPanel {
 		}
 		return '/' + s;
 	}
+
+	@Override
+	public EditorViewState getEditorViewState() {
+		int caretPos = codePanel.getCodeArea().getCaretPosition();
+		Point viewPoint = codePanel.getCodeScrollPane().getViewport().getViewPosition();
+		return new EditorViewState(getNode(), "", caretPos, viewPoint);
+	}
+
+	@Override
+	public void restoreEditorViewState(EditorViewState viewState) {
+		codePanel.getCodeScrollPane().getViewport().setViewPosition(viewState.getViewPoint());
+		codePanel.getCodeArea().setCaretPosition(viewState.getCaretPos());
+	}
 }

jadx-gui/src/main/java/jadx/gui/ui/codearea/EditorViewState.java

@@ -5,10 +5,12 @@ import java.awt.Point;
 import jadx.gui.treemodel.JNode;
 
 public class EditorViewState {
-	private JNode node;
-	private int caretPos;
-	private Point viewPoint;
-	private String subPath;
+	public static final Point ZERO = new Point(0, 0);
+
+	private final JNode node;
+	private final int caretPos;
+	private final Point viewPoint;
+	private final String subPath;
 
 	public EditorViewState(JNode node, String subPath, int caretPos, Point viewPoint) {
 		this.node = node;
@@ -21,34 +23,18 @@ public class EditorViewState {
 		return node;
 	}
 
-	public void setNode(JNode node) {
-		this.node = node;
-	}
-
 	public int getCaretPos() {
 		return caretPos;
 	}
 
-	public void setCaretPos(int caretPos) {
-		this.caretPos = caretPos;
-	}
-
 	public Point getViewPoint() {
 		return viewPoint;
 	}
 
-	public void setViewPoint(Point viewPoint) {
-		this.viewPoint = viewPoint;
-	}
-
 	public String getSubPath() {
 		return subPath;
 	}
 
-	public void setSubPath(String subPath) {
-		this.subPath = subPath;
-	}
-
 	@Override
 	public String toString() {
 		return "EditorViewState{node=" + node

jadx-gui/src/main/java/jadx/gui/ui/panel/ContentPanel.java

@@ -7,7 +7,6 @@ import org.jetbrains.annotations.Nullable;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.ui.TabbedPane;
-import jadx.gui.ui.codearea.EditorViewState;
 
 public abstract class ContentPanel extends JPanel {
 
@@ -23,14 +22,6 @@ public abstract class ContentPanel extends JPanel {
 
 	public abstract void loadSettings();
 
-	public EditorViewState getEditorViewState() {
-		return null;
-	}
-
-	public void restoreEditorViewState(EditorViewState viewState) {
-
-	}
-
 	public TabbedPane getTabbedPane() {
 		return tabbedPane;
 	}

jadx-gui/src/main/java/jadx/gui/ui/panel/IViewStateSupport.java

+package jadx.gui.ui.panel;
+
+import jadx.gui.ui.codearea.EditorViewState;
+
+public interface IViewStateSupport {
+
+	EditorViewState getEditorViewState();
+
+	void restoreEditorViewState(EditorViewState viewState);
+}

jadx-gui/src/main/java/jadx/gui/utils/JNodeCache.java

@@ -3,15 +3,12 @@ package jadx.gui.utils;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import org.jetbrains.annotations.Nullable;
-
 import jadx.api.JavaClass;
 import jadx.api.JavaField;
 import jadx.api.JavaMethod;
 import jadx.api.JavaNode;
 import jadx.api.JavaVariable;
 import jadx.core.utils.exceptions.JadxRuntimeException;
-import jadx.gui.JadxWrapper;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JField;
 import jadx.gui.treemodel.JMethod;
@@ -42,15 +39,6 @@ public class JNodeCache {
 				jn -> new JClass(javaCls, makeFrom(javaCls.getDeclaringClass())));
 	}
 
-	@Nullable
-	public JNode renew(JadxWrapper wrapper, JNode node) {
-		if (node instanceof JClass) {
-			String rawName = ((JClass) node).getCls().getRawName();
-			return makeFrom(wrapper.searchJavaClassByRawName(rawName));
-		}
-		return null;
-	}
-
 	private JNode convert(JavaNode node) {
 		if (node == null) {
 			return null;