Moving various runnables in LauncherModel to individual tasks

> Adding tests for some of the runnable

Change-Id: I1a315d38878857df3371f0e69d622a41fc3b081a

src/com/android/launcher3/model/ExtendedModelTask.java

@@ -0,0 +1,61 @@
+/*
+ * 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 com.android.launcher3.LauncherModel.CallbackTask;
+import com.android.launcher3.LauncherModel.Callbacks;
+import com.android.launcher3.LauncherModel.BaseModelUpdateTask;
+import com.android.launcher3.ShortcutInfo;
+import com.android.launcher3.compat.UserHandleCompat;
+import com.android.launcher3.util.ComponentKey;
+import com.android.launcher3.util.MultiHashMap;
+
+import java.util.ArrayList;
+
+/**
+ * Extension of {@link BaseModelUpdateTask} with some utility methods
+ */
+public abstract class ExtendedModelTask extends BaseModelUpdateTask {
+
+    public void bindUpdatedShortcuts(
+            ArrayList<ShortcutInfo> updatedShortcuts, UserHandleCompat user) {
+        bindUpdatedShortcuts(updatedShortcuts, new ArrayList<ShortcutInfo>(), user);
+    }
+
+    public void bindUpdatedShortcuts(
+            final ArrayList<ShortcutInfo> updatedShortcuts,
+            final ArrayList<ShortcutInfo> removedShortcuts,
+            final UserHandleCompat user) {
+        if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) {
+            scheduleCallbackTask(new CallbackTask() {
+                @Override
+                public void execute(Callbacks callbacks) {
+                    callbacks.bindShortcutsChanged(updatedShortcuts, removedShortcuts, user);
+                }
+            });
+        }
+    }
+
+    public void bindDeepShortcuts(BgDataModel dataModel) {
+        final MultiHashMap<ComponentKey, String> shortcutMapCopy = dataModel.deepShortcutMap.clone();
+        scheduleCallbackTask(new CallbackTask() {
+            @Override
+            public void execute(Callbacks callbacks) {
+                callbacks.bindDeepShortcutMap(shortcutMapCopy);
+            }
+        });
+    }
+}