Deprecates LAUNCHER_ALL_APPS_RANKED event.

LauncherUiChanged.rank field is repurposed to store all apps rank.

Change-Id: Iabad98312589d8f53b6547433540f3ec9dff0b3f
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
index 0113570..5e54cd2 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
@@ -16,9 +16,11 @@
 
 package com.android.launcher3.appprediction;
 
+import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
+import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT;
+import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALL_APPS_RANKED;
 
 import android.app.prediction.AppPredictor;
 import android.app.prediction.AppTarget;
@@ -26,6 +28,7 @@
 import android.content.Context;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile.OnIDPChangeListener;
@@ -38,8 +41,6 @@
 import com.android.launcher3.allapps.AllAppsStore.OnUpdateListener;
 import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.icons.IconCache.ItemInfoUpdateReceiver;
-import com.android.launcher3.logger.LauncherAtom;
-import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.shortcuts.ShortcutKey;
@@ -51,6 +52,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
 import java.util.OptionalInt;
 import java.util.stream.IntStream;
 
@@ -306,40 +308,25 @@
     }
 
     /**
-     * Logs ranking info for launched app within all apps prediction.
+     * Returns ranking info for the app within all apps prediction.
      * Only applicable when {@link ItemInfo#itemType} is one of the followings:
      * {@link LauncherSettings.Favorites#ITEM_TYPE_APPLICATION},
      * {@link LauncherSettings.Favorites#ITEM_TYPE_SHORTCUT},
      * {@link LauncherSettings.Favorites#ITEM_TYPE_DEEP_SHORTCUT}
      */
-    public void logLaunchedAppRankingInfo(@NonNull ItemInfo itemInfo, InstanceId instanceId) {
-        if (itemInfo.getTargetComponent() == null || itemInfo.user == null
-                || (itemInfo.itemType != LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
-                && itemInfo.itemType != LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT
-                && itemInfo.itemType != LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT)) {
-            return;
-        }
+    public OptionalInt getAllAppsRank(@Nullable ItemInfo itemInfo) {
+        Optional<ComponentKey> componentKey = Optional.ofNullable(itemInfo)
+                .filter(item -> item.itemType == ITEM_TYPE_APPLICATION
+                        || item.itemType == ITEM_TYPE_SHORTCUT
+                        || item.itemType == ITEM_TYPE_DEEP_SHORTCUT)
+                .map(ItemInfo::getTargetComponent)
+                .map(componentName -> new ComponentKey(componentName, itemInfo.user));
 
-        Launcher launcher = Launcher.getLauncher(mAppsView.getContext());
-        final ComponentKey k = new ComponentKey(itemInfo.getTargetComponent(), itemInfo.user);
-        final List<ComponentKeyMapper> predictedApps = getCurrentState().apps;
-        OptionalInt rank = IntStream.range(0, predictedApps.size())
-                .filter((i) -> k.equals(predictedApps.get(i).getComponentKey()))
-                .findFirst();
-        if (!rank.isPresent()) {
-            return;
-        }
-
-        LauncherAtom.ItemInfo.Builder atomBuilder = LauncherAtom.ItemInfo.newBuilder();
-        atomBuilder.setRank(rank.getAsInt());
-        atomBuilder.setContainerInfo(
-                LauncherAtom.ContainerInfo.newBuilder().setPredictionContainer(
-                        LauncherAtom.PredictionContainer.newBuilder().build()).build());
-        launcher.getStatsLogManager().log(LAUNCHER_ALL_APPS_RANKED, instanceId,
-                atomBuilder.build());
+        return componentKey.map(key -> IntStream.range(0, getCurrentState().apps.size())
+                .filter(index -> key.equals(getCurrentState().apps.get(index).getComponentKey()))
+                .findFirst()).orElseGet(OptionalInt::empty);
     }
 
-
     /**
      * Fill in predicted_rank field based on app prediction.
      * Only applicable when {@link ItemInfo#itemType} is one of the followings:
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
index a8099d7..6ecc4f9 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
@@ -53,7 +53,8 @@
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.icons.IconCache;
-import com.android.launcher3.logger.LauncherAtom;
+import com.android.launcher3.logger.LauncherAtom.ContainerInfo;
+import com.android.launcher3.logger.LauncherAtom.PredictedHotseatContainer;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.FolderInfo;
@@ -659,24 +660,25 @@
         if (!rank.isPresent()) {
             return;
         }
-        LauncherAtom.PredictedHotseatContainer.Builder containerBuilder =
-                LauncherAtom.PredictedHotseatContainer.newBuilder();
-        LauncherAtom.ItemInfo.Builder atomBuilder = LauncherAtom.ItemInfo.newBuilder();
+
         int cardinality = 0;
         for (PredictedAppIcon icon : getPredictedIcons()) {
             ItemInfo info = (ItemInfo) icon.getTag();
             cardinality |= 1 << info.screenId;
         }
+
+        PredictedHotseatContainer.Builder containerBuilder = PredictedHotseatContainer.newBuilder();
         containerBuilder.setCardinality(cardinality);
-        atomBuilder.setRank(rank.getAsInt());
         if (itemInfo.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION) {
             containerBuilder.setIndex(rank.getAsInt());
         }
-        atomBuilder.setContainerInfo(
-                LauncherAtom.ContainerInfo.newBuilder().setPredictedHotseatContainer(
-                        containerBuilder).build());
-        mLauncher.getStatsLogManager().log(LAUNCHER_HOTSEAT_RANKED, instanceId,
-                atomBuilder.build());
+        mLauncher.getStatsLogManager().logger()
+                .withInstanceId(instanceId)
+                .withRank(rank.getAsInt())
+                .withContainerInfo(ContainerInfo.newBuilder()
+                        .setPredictedHotseatContainer(containerBuilder)
+                        .build())
+                .log(LAUNCHER_HOTSEAT_RANKED);
     }
 
     private class PinPrediction extends SystemShortcut<QuickstepLauncher> {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 0e690eb..8d0000c 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
 import static com.android.launcher3.testing.TestProtocol.HINT_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
@@ -48,6 +49,7 @@
 import com.android.launcher3.hybridhotseat.HotseatEduController;
 import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.logging.InstanceId;
+import com.android.launcher3.logging.StatsLogManager.StatsLogger;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -80,6 +82,7 @@
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.OptionalInt;
 import java.util.stream.Stream;
 
 public class QuickstepLauncher extends BaseQuickstepLauncher {
@@ -123,11 +126,15 @@
 
     @Override
     protected void logAppLaunch(ItemInfo info, InstanceId instanceId) {
-        super.logAppLaunch(info, instanceId);
+        StatsLogger logger = getStatsLogManager()
+                .logger().withItemInfo(info).withInstanceId(instanceId);
+        OptionalInt allAppsRank = PredictionUiStateManager.INSTANCE.get(this).getAllAppsRank(info);
+        allAppsRank.ifPresent(logger::withRank);
+        logger.log(LAUNCHER_APP_LAUNCH_TAP);
+
         if (mHotseatPredictionController != null) {
             mHotseatPredictionController.logLaunchedAppRankingInfo(info, instanceId);
         }
-        PredictionUiStateManager.INSTANCE.get(this).logLaunchedAppRankingInfo(info, instanceId);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index 42ade78..e496807 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -33,6 +33,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.logger.LauncherAtom;
+import com.android.launcher3.logger.LauncherAtom.ContainerInfo;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.logging.StatsLogManager;
@@ -48,6 +49,7 @@
 import com.android.systemui.shared.system.SysUiStatsLog;
 
 import java.util.ArrayList;
+import java.util.Optional;
 import java.util.OptionalInt;
 
 /**
@@ -81,38 +83,6 @@
     }
 
     /**
-     * Logs an event.
-     *
-     * @param event an enum implementing EventEnum interface.
-     * @param atomInfo item typically containing app or task launch related information.
-     */
-    public void log(EventEnum event, InstanceId instanceId, LauncherAtom.ItemInfo atomInfo) {
-        LauncherAppState.getInstance(sContext).getModel().enqueueModelUpdateTask(
-                new BaseModelUpdateTask() {
-                    @Override
-                    public void execute(LauncherAppState app, BgDataModel dataModel,
-                            AllAppsList apps) {
-                        write(event, instanceId, atomInfo, LAUNCHER_UICHANGED__DST_STATE__HOME,
-                                LAUNCHER_UICHANGED__DST_STATE__BACKGROUND, OptionalInt.empty());
-                    }
-                });
-    }
-
-    /**
-     * Logs an event.
-     *
-     * @param event an enum implementing EventEnum interface.
-     * @param atomItemInfo item typically containing app or task launch related information.
-     */
-    @Override
-    public void log(EventEnum event, @Nullable LauncherAtom.ItemInfo atomItemInfo, int srcState,
-            int dstState) {
-        write(event, DEFAULT_INSTANCE_ID,
-                atomItemInfo == null ? LauncherAtom.ItemInfo.getDefaultInstance() : atomItemInfo,
-                srcState, dstState, OptionalInt.empty());
-    }
-
-    /**
      * Logs a ranking event and accompanying {@link InstanceId} and package name.
      */
     @Override
@@ -125,49 +95,6 @@
                 position /* position_picked = 4; */);
     }
 
-    private  void write(EventEnum event, InstanceId instanceId,
-            LauncherAtom.ItemInfo atomInfo,
-            int srcState, int dstState, OptionalInt mRank) {
-        if (IS_VERBOSE) {
-            String name = (event instanceof Enum) ? ((Enum) event).name() :
-                    event.getId() + "";
-
-            Log.d(TAG, instanceId == DEFAULT_INSTANCE_ID
-                    ? String.format("\n%s (State:%s->%s)\n%s", name, getStateString(srcState),
-                    getStateString(dstState),  atomInfo)
-                    : String.format("\n%s (State:%s->%s) (InstanceId:%s)\n%s", name,
-                            getStateString(srcState), getStateString(dstState), instanceId,
-                            atomInfo));
-        }
-
-        SysUiStatsLog.write(
-                SysUiStatsLog.LAUNCHER_EVENT,
-                SysUiStatsLog.LAUNCHER_UICHANGED__ACTION__DEFAULT_ACTION /* deprecated */,
-                srcState,
-                dstState,
-                null /* launcher extensions, deprecated */,
-                false /* quickstep_enabled, deprecated */,
-                event.getId() /* event_id */,
-                atomInfo.getItemCase().getNumber() /* target_id */,
-                instanceId.getId() /* instance_id TODO */,
-                0 /* uid TODO */,
-                getPackageName(atomInfo) /* package_name */,
-                getComponentName(atomInfo) /* component_name */,
-                getGridX(atomInfo, false) /* grid_x */,
-                getGridY(atomInfo, false) /* grid_y */,
-                getPageId(atomInfo, false) /* page_id */,
-                getGridX(atomInfo, true) /* grid_x_parent */,
-                getGridY(atomInfo, true) /* grid_y_parent */,
-                getPageId(atomInfo, true) /* page_id_parent */,
-                getHierarchy(atomInfo) /* hierarchy */,
-                atomInfo.getIsWork() /* is_work_profile */,
-                mRank.orElse(atomInfo.getRank()) /* rank */,
-                atomInfo.getFolderIcon().getFromLabelState().getNumber() /* fromState */,
-                atomInfo.getFolderIcon().getToLabelState().getNumber() /* toState */,
-                atomInfo.getFolderIcon().getLabelInfo() /* edittext */,
-                getCardinality(atomInfo) /* cardinality */);
-    }
-
     /**
      * Logs the workspace layout information on the model thread.
      */
@@ -238,15 +165,22 @@
     /**
      * Helps to construct and write statsd compatible log message.
      */
-    private class StatsCompatLogger implements StatsLogger {
-        private ItemInfo mItemInfo = new ItemInfo();
+    private static class StatsCompatLogger implements StatsLogger {
+
+        private static final ItemInfo DEFAULT_ITEM_INFO = new ItemInfo();
+        private ItemInfo mItemInfo = DEFAULT_ITEM_INFO;
         private InstanceId mInstanceId = DEFAULT_INSTANCE_ID;
         private OptionalInt mRank = OptionalInt.empty();
+        private Optional<ContainerInfo> mContainerInfo = Optional.empty();
         private int mSrcState = LAUNCHER_UICHANGED__SRC_STATE__HOME;
         private int mDstState = LAUNCHER_UICHANGED__DST_STATE__BACKGROUND;
 
         @Override
         public StatsLogger withItemInfo(ItemInfo itemInfo) {
+            if (mContainerInfo.isPresent()) {
+                throw new IllegalArgumentException(
+                        "ItemInfo and ContainerInfo are mutual exclusive; cannot log both.");
+            }
             this.mItemInfo = itemInfo;
             return this;
         }
@@ -276,14 +210,35 @@
         }
 
         @Override
+        public StatsLogger withContainerInfo(ContainerInfo containerInfo) {
+            if (mItemInfo != DEFAULT_ITEM_INFO) {
+                throw new IllegalArgumentException(
+                        "ItemInfo and ContainerInfo are mutual exclusive; cannot log both.");
+            }
+            this.mContainerInfo = Optional.of(containerInfo);
+            return this;
+        }
+
+        @Override
         public void log(EventEnum event) {
             if (!Utilities.ATLEAST_R) {
                 return;
             }
 
+            LauncherAtom.ItemInfo.Builder itemInfoBuilder =
+                    (LauncherAtom.ItemInfo.Builder) mItemInfo.buildProto().toBuilder();
+            mRank.ifPresent(itemInfoBuilder::setRank);
+            if (mContainerInfo.isPresent()) {
+                // User already provided container info;
+                // default container info from item info will be ignored.
+                itemInfoBuilder.setContainerInfo(mContainerInfo.get());
+                write(event, mInstanceId, itemInfoBuilder.build(), mSrcState, mDstState);
+                return;
+            }
+
             if (mItemInfo.container < 0) {
                 // Item is not within a folder. Write to StatsLog in same thread.
-                write(event, mInstanceId, mItemInfo.buildProto(), mSrcState, mDstState, mRank);
+                write(event, mInstanceId, itemInfoBuilder.build(), mSrcState, mDstState);
             } else {
                 // Item is inside the folder, fetch folder info in a BG thread
                 // and then write to StatsLog.
@@ -293,12 +248,58 @@
                             public void execute(LauncherAppState app, BgDataModel dataModel,
                                     AllAppsList apps) {
                                 FolderInfo folderInfo = dataModel.folders.get(mItemInfo.container);
-                                write(event, mInstanceId, mItemInfo.buildProto(folderInfo),
-                                        mSrcState, mDstState, mRank);
+                                LauncherAtom.ItemInfo.Builder atomInfoBuilder =
+                                        (LauncherAtom.ItemInfo.Builder) mItemInfo
+                                                .buildProto(folderInfo).toBuilder();
+                                mRank.ifPresent(atomInfoBuilder::setRank);
+                                write(event, mInstanceId, atomInfoBuilder.build(), mSrcState,
+                                        mDstState);
                             }
                         });
             }
         }
+
+        private void write(EventEnum event, InstanceId instanceId, LauncherAtom.ItemInfo atomInfo,
+                int srcState, int dstState) {
+            if (IS_VERBOSE) {
+                String name = (event instanceof Enum) ? ((Enum) event).name() :
+                        event.getId() + "";
+
+                Log.d(TAG, instanceId == DEFAULT_INSTANCE_ID
+                        ? String.format("\n%s (State:%s->%s)\n%s", name, getStateString(srcState),
+                        getStateString(dstState), atomInfo)
+                        : String.format("\n%s (State:%s->%s) (InstanceId:%s)\n%s", name,
+                                getStateString(srcState), getStateString(dstState), instanceId,
+                                atomInfo));
+            }
+
+            SysUiStatsLog.write(
+                    SysUiStatsLog.LAUNCHER_EVENT,
+                    SysUiStatsLog.LAUNCHER_UICHANGED__ACTION__DEFAULT_ACTION /* deprecated */,
+                    srcState,
+                    dstState,
+                    null /* launcher extensions, deprecated */,
+                    false /* quickstep_enabled, deprecated */,
+                    event.getId() /* event_id */,
+                    atomInfo.getItemCase().getNumber() /* target_id */,
+                    instanceId.getId() /* instance_id TODO */,
+                    0 /* uid TODO */,
+                    getPackageName(atomInfo) /* package_name */,
+                    getComponentName(atomInfo) /* component_name */,
+                    getGridX(atomInfo, false) /* grid_x */,
+                    getGridY(atomInfo, false) /* grid_y */,
+                    getPageId(atomInfo, false) /* page_id */,
+                    getGridX(atomInfo, true) /* grid_x_parent */,
+                    getGridY(atomInfo, true) /* grid_y_parent */,
+                    getPageId(atomInfo, true) /* page_id_parent */,
+                    getHierarchy(atomInfo) /* hierarchy */,
+                    atomInfo.getIsWork() /* is_work_profile */,
+                    atomInfo.getRank() /* rank */,
+                    atomInfo.getFolderIcon().getFromLabelState().getNumber() /* fromState */,
+                    atomInfo.getFolderIcon().getToLabelState().getNumber() /* toState */,
+                    atomInfo.getFolderIcon().getLabelInfo() /* edittext */,
+                    getCardinality(atomInfo) /* cardinality */);
+        }
     }
 
     private static int getCardinality(LauncherAtom.ItemInfo info) {
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index f72d76f..82d61da 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -19,9 +19,8 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.logger.LauncherAtom;
+import com.android.launcher3.logger.LauncherAtom.ContainerInfo;
 import com.android.launcher3.logging.StatsLogUtils.LogStateProvider;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ResourceBasedOverride;
@@ -145,6 +144,11 @@
         @UiEvent(doc = "Hotseat education tip shown")
         LAUNCHER_HOTSEAT_EDU_ONLY_TIP(482),
 
+        /**
+         * @deprecated LauncherUiChanged.rank field is repurposed to store all apps rank, so no
+         * separate event is required.
+         */
+        @Deprecated
         @UiEvent(doc = "App launch ranking logged for all apps predictions")
         LAUNCHER_ALL_APPS_RANKED(552),
 
@@ -242,6 +246,16 @@
         }
 
         /**
+         * Sets the final value for container related fields of log message.
+         *
+         * By default container related fields are derived from {@link ItemInfo}, this method would
+         * override those values.
+         */
+        default StatsLogger withContainerInfo(ContainerInfo containerInfo) {
+            return this;
+        }
+
+        /**
          * Builds the final message and logs it as {@link EventEnum}.
          */
         default void log(EventEnum event) {
@@ -273,25 +287,6 @@
     }
 
     /**
-     * Logs an event.
-     *
-     * @param event an enum implementing EventEnum interface.
-     * @param atomInfo item typically containing app or task launch related information.
-     */
-    public void log(EventEnum event, InstanceId instanceId, LauncherAtom.ItemInfo atomInfo) {
-    }
-
-    /**
-     * Logs an event and accompanying {@link LauncherState}s.
-     *
-     * @param event an enum implementing EventEnum interface.
-     * @param launcherAtomItemInfo item typically containing app or task launch related information.
-     */
-    public void log(EventEnum event, @Nullable LauncherAtom.ItemInfo launcherAtomItemInfo,
-            int srcState, int dstState) {
-    }
-
-    /**
      * Log an event with ranked-choice information along with package. Does nothing if event.getId()
      * <= 0.
      *