Fix querysync widget for remote dev

base/src/META-INF/blaze-base.xml

@@ -257,8 +257,10 @@
     <applicationService serviceImplementation="com.google.idea.blaze.base.qsync.settings.QuerySyncSettings" id="QuerySyncSettings"/>
     <psi.referenceContributor language="BUILD" implementation="com.google.idea.blaze.base.lang.buildfile.references.VisibilityReferenceContributor"/>
     <projectService serviceImplementation="com.google.idea.blaze.base.qsync.QuerySyncManager"/>
-    <iw.actionProvider implementation="com.google.idea.blaze.base.qsync.QuerySyncInspectionWidgetActionProvider"/>
-    <iw.actionProvider implementation="com.google.idea.blaze.base.qsync.ComposePreviewQuerySyncInspectionWidgetActionProvider"/>
+    <editorNotificationProvider implementation="com.google.idea.blaze.base.qsync.QuerySyncNotificationProvider"/>
+    <!--    Disabled until a fix is introduced in the platform to make InspectionWidgetActionProvider work with remote dev -->
+<!--    <iw.actionProvider implementation="com.google.idea.blaze.base.qsync.QuerySyncInspectionWidgetActionProvider"/>-->
+<!--    <iw.actionProvider implementation="com.google.idea.blaze.base.qsync.ComposePreviewQuerySyncInspectionWidgetActionProvider"/>-->
     <daemon.highlightInfoFilter implementation="com.google.idea.blaze.base.qsync.QuerySyncHighlightingFilter"/>
     <trafficLightRendererContributor implementation="com.google.idea.blaze.base.qsync.QuerySyncTrafficLightRendererContributor"/>
     <editorNotificationProvider implementation="com.google.idea.blaze.base.qsync.UnsyncedFileEditorNotificationProvider" />

base/src/com/google/idea/blaze/base/qsync/QuerySyncInspectionWidgetActionProvider.java

@@ -79,7 +79,7 @@ public AnAction createAction(@NotNull Editor editor) {
     return new BuildDependencies(editor);
   }
 
-  private static class BuildDependencies extends AnAction
+  public static class BuildDependencies extends AnAction
       implements CustomComponentAction, DumbAware {
 
     private final Editor editor;

base/src/com/google/idea/blaze/base/qsync/QuerySyncNotificationProvider.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2022 The Bazel Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ */
+package com.google.idea.blaze.base.qsync;
+
+import com.google.idea.blaze.base.qsync.QuerySyncManager.OperationType;
+import com.google.idea.blaze.base.qsync.action.BuildDependenciesHelper;
+import com.google.idea.blaze.base.qsync.action.BuildDependenciesHelper.DepsBuildType;
+import com.google.idea.blaze.base.qsync.settings.QuerySyncSettings;
+import com.google.idea.blaze.base.settings.Blaze;
+import com.google.idea.blaze.base.settings.BlazeImportSettings.ProjectType;
+import com.google.idea.blaze.qsync.project.TargetsToBuild;
+import com.intellij.openapi.fileEditor.FileEditor;
+import com.intellij.openapi.fileEditor.TextEditor;
+import com.intellij.openapi.project.DumbAware;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.ui.EditorNotificationPanel;
+import com.intellij.ui.EditorNotificationProvider;
+import com.intellij.ui.EditorNotifications;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+import java.util.Optional;
+import java.util.function.Function;
+
+/**
+ * Provides a custom notification at the top of file editors to build dependencies and enable analysis.
+ */
+public class QuerySyncNotificationProvider implements EditorNotificationProvider, DumbAware {
+
+    @Override
+    @Nullable
+    public Function<? super FileEditor, ? extends JComponent> collectNotificationData(@NotNull Project project, @NotNull VirtualFile file) {
+
+        return fileEditor -> {
+            if (Blaze.getProjectType(project) != ProjectType.QUERY_SYNC) {
+                return null;
+            }
+
+            if (!(fileEditor instanceof TextEditor)) {
+                return null;
+            }
+
+            BuildDependenciesHelper buildDepsHelper = new BuildDependenciesHelper(project, QuerySyncInspectionWidgetActionProvider.BuildDependencies.class, DepsBuildType.SELF);
+            TargetsToBuild toBuild = buildDepsHelper.getTargetsToEnableAnalysisFor(file);
+
+            if (toBuild.isEmpty()) {
+                return null;
+            }
+
+            Optional<OperationType> currentOperation = QuerySyncManager.getInstance(project).currentOperation();
+
+            if (currentOperation.isPresent()) {
+                return null;
+            }
+
+            if (toBuild.type() != TargetsToBuild.Type.SOURCE_FILE) {
+                return null;
+            }
+
+            int missing = buildDepsHelper.getSourceFileMissingDepsCount(toBuild);
+            if (missing > 0) {
+                String dependency = StringUtil.pluralize("dependency", missing);
+                String notificationText = String.format("Analysis disabled - missing %d %s ", missing, dependency);
+                return new QuerySyncNotificationPanel(fileEditor, project, notificationText);
+            } else {
+                return null;
+            }
+        };
+    }
+
+    private class QuerySyncNotificationPanel extends EditorNotificationPanel {
+
+        QuerySyncNotificationPanel(FileEditor editor, Project project, String notificationText) {
+            super(editor, Status.Warning);
+
+            setText(notificationText);
+
+            String actionId = "Blaze.BuildDependencies";
+            createActionLabel("Build dependencies", () -> executeAction(actionId))
+                    .addHyperlinkListener(event -> EditorNotifications.getInstance(project).updateAllNotifications());
+        }
+    }
+}