Adding additional dump logging to track down bugs.

Bug: 28177001
Change-Id: I9832874d3b9b1fceb28cfac6e899739b6dba0896

packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java

@@ -777,6 +777,7 @@ public class RecentsActivity extends Activity implements ViewTreeObserver.OnPreD
     public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
         super.dump(prefix, fd, writer, args);
         EventBus.getDefault().dump(prefix, writer);
+        Recents.getTaskLoader().dump(prefix, writer);
 
         String id = Integer.toHexString(System.identityHashCode(this));
 

packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java

@@ -196,7 +196,7 @@ public class RecentsTaskLoadPlan {
             Drawable icon = isStackTask
                     ? loader.getAndUpdateActivityIcon(taskKey, t.taskDescription, res, false)
                     : null;
-            Bitmap thumbnail = loader.getAndUpdateThumbnail(taskKey, false);
+            Bitmap thumbnail = loader.getAndUpdateThumbnail(taskKey, false /* loadIfNotCached */);
             int activityColor = loader.getActivityPrimaryColor(t.taskDescription);
             int backgroundColor = loader.getActivityBackgroundColor(t.taskDescription);
             boolean isSystemApp = (info != null) &&
@@ -256,7 +256,8 @@ public class RecentsTaskLoadPlan {
             if (opts.loadThumbnails && (isRunningTask || isVisibleThumbnail)) {
                 if (task.thumbnail == null || isRunningTask) {
                     if (config.svelteLevel <= RecentsConfiguration.SVELTE_LIMIT_CACHE) {
-                        task.thumbnail = loader.getAndUpdateThumbnail(taskKey, true);
+                        task.thumbnail = loader.getAndUpdateThumbnail(taskKey,
+                                true /* loadIfNotCached */);
                     } else if (config.svelteLevel == RecentsConfiguration.SVELTE_DISABLE_CACHE) {
                         loadQueue.addTask(task);
                     }

packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java

@@ -36,7 +36,9 @@ import com.android.systemui.recents.RecentsConfiguration;
 import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.events.activity.PackagesChangedEvent;
 import com.android.systemui.recents.misc.SystemServicesProxy;
+import com.android.systemui.recents.misc.Utilities;
 
+import java.io.PrintWriter;
 import java.util.Map;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
@@ -624,4 +626,14 @@ public class RecentsTaskLoader {
             }
         }
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+
+        writer.print(prefix); writer.println(TAG);
+        writer.print(prefix); writer.println("Icon Cache");
+        mIconCache.dump(innerPrefix, writer);
+        writer.print(prefix); writer.println("Thumbnail Cache");
+        mThumbnailCache.dump(innerPrefix, writer);
+    }
 }

packages/SystemUI/src/com/android/systemui/recents/model/Task.java

@@ -338,9 +338,18 @@ public class Task {
 
     public void dump(String prefix, PrintWriter writer) {
         writer.print(prefix); writer.print(key);
-        if (affiliationTaskId != key.id) {
+        if (isAffiliatedTask()) {
             writer.print(" "); writer.print("affTaskId=" + affiliationTaskId);
         }
+        if (!isDockable) {
+            writer.print(" dockable=N");
+        }
+        if (isLaunchTarget) {
+            writer.print(" launchTarget=Y");
+        }
+        if (isFreeformTask()) {
+            writer.print(" freeform=Y");
+        }
         writer.print(" "); writer.print(title);
         writer.println();
     }

packages/SystemUI/src/com/android/systemui/recents/model/TaskKeyLruCache.java

@@ -20,6 +20,9 @@ import android.util.Log;
 import android.util.LruCache;
 import android.util.SparseArray;
 
+import java.io.PrintWriter;
+import java.util.ArrayList;
+
 /**
  * A mapping of {@link Task.TaskKey} to value, with additional LRU functionality where the least
  * recently referenced key/values will be evicted as more values than the given cache size are
@@ -112,4 +115,16 @@ public class TaskKeyLruCache<V> {
     final void trimToSize(int cacheSize) {
         mCache.trimToSize(cacheSize);
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" numEntries="); writer.print(mKeys.size());
+        writer.println();
+        int keyCount = mKeys.size();
+        for (int i = 0; i < keyCount; i++) {
+            writer.print(innerPrefix); writer.println(mKeys.get(mKeys.keyAt(i)));
+        }
+    }
 }