Moving various runnables in LauncherModel to individual tasks

> Adding tests for some of the runnable

Change-Id: I1a315d38878857df3371f0e69d622a41fc3b081a

1 files changed, 113 insertions, 0 deletions

diff --git a/src/com/android/launcher3/model/ShortcutsChangedTask.java b/src/com/android/launcher3/model/ShortcutsChangedTask.java
new file mode 100644
index 000000000..8f7c21db0
--- /dev/null
+++ b/src/com/android/launcher3/model/ShortcutsChangedTask.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.model;
+
+import android.content.Context;
+
+import com.android.launcher3.AllAppsList;
+import com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherModel;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.ShortcutInfo;
+import com.android.launcher3.compat.UserHandleCompat;
+import com.android.launcher3.shortcuts.DeepShortcutManager;
+import com.android.launcher3.shortcuts.ShortcutInfoCompat;
+import com.android.launcher3.util.MultiHashMap;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Handles changes due to shortcut manager updates (deep shortcut changes)
+ */
+public class ShortcutsChangedTask extends ExtendedModelTask {
+
+    private final String mPackageName;
+    private final List<ShortcutInfoCompat> mShortcuts;
+    private final UserHandleCompat mUser;
+    private final boolean mUpdateIdMap;
+
+    public ShortcutsChangedTask(String packageName, List<ShortcutInfoCompat> shortcuts,
+            UserHandleCompat user, boolean updateIdMap) {
+        mPackageName = packageName;
+        mShortcuts = shortcuts;
+        mUser = user;
+        mUpdateIdMap = updateIdMap;
+    }
+
+    @Override
+    public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
+        DeepShortcutManager deepShortcutManager = app.getShortcutManager();
+        deepShortcutManager.onShortcutsChanged(mShortcuts);
+
+        // Find ShortcutInfo's that have changed on the workspace.
+        final ArrayList<ShortcutInfo> removedShortcutInfos = new ArrayList<>();
+        MultiHashMap<String, ShortcutInfo> idsToWorkspaceShortcutInfos = new MultiHashMap<>();
+        for (ItemInfo itemInfo : dataModel.itemsIdMap) {
+            if (itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
+                ShortcutInfo si = (ShortcutInfo) itemInfo;
+                if (si.getPromisedIntent().getPackage().equals(mPackageName)
+                        && si.user.equals(mUser)) {
+                    idsToWorkspaceShortcutInfos.addToList(si.getDeepShortcutId(), si);
+                }
+            }
+        }
+
+        final Context context = LauncherAppState.getInstance().getContext();
+        final ArrayList<ShortcutInfo> updatedShortcutInfos = new ArrayList<>();
+        if (!idsToWorkspaceShortcutInfos.isEmpty()) {
+            // Update the workspace to reflect the changes to updated shortcuts residing on it.
+            List<ShortcutInfoCompat> shortcuts = deepShortcutManager.queryForFullDetails(
+                    mPackageName, new ArrayList<>(idsToWorkspaceShortcutInfos.keySet()), mUser);
+            for (ShortcutInfoCompat fullDetails : shortcuts) {
+                List<ShortcutInfo> shortcutInfos = idsToWorkspaceShortcutInfos
+                        .remove(fullDetails.getId());
+                if (!fullDetails.isPinned()) {
+                    // The shortcut was previously pinned but is no longer, so remove it from
+                    // the workspace and our pinned shortcut counts.
+                    // Note that we put this check here, after querying for full details,
+                    // because there's a possible race condition between pinning and
+                    // receiving this callback.
+                    removedShortcutInfos.addAll(shortcutInfos);
+                    continue;
+                }
+                for (ShortcutInfo shortcutInfo : shortcutInfos) {
+                    shortcutInfo.updateFromDeepShortcutInfo(fullDetails, context);
+                    updatedShortcutInfos.add(shortcutInfo);
+                }
+            }
+        }
+
+        // If there are still entries in idsToWorkspaceShortcutInfos, that means that
+        // the corresponding shortcuts weren't passed in onShortcutsChanged(). This
+        // means they were cleared, so we remove and unpin them now.
+        for (String id : idsToWorkspaceShortcutInfos.keySet()) {
+            removedShortcutInfos.addAll(idsToWorkspaceShortcutInfos.get(id));
+        }
+
+        bindUpdatedShortcuts(updatedShortcutInfos, removedShortcutInfos, mUser);
+        if (!removedShortcutInfos.isEmpty()) {
+            LauncherModel.deleteItemsFromDatabase(context, removedShortcutInfos);
+        }
+
+        if (mUpdateIdMap) {
+            // Update the deep shortcut map if the list of ids has changed for an activity.
+            dataModel.updateDeepShortcutMap(mPackageName, mUser, mShortcuts);
+            bindDeepShortcuts(dataModel);
+        }
+    }
+}