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/*
* Copyright (C) 2021 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.taskbar;
import android.util.SparseArray;
import android.view.View;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.model.BgDataModel;
import com.android.launcher3.model.BgDataModel.FixedContainerItems;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.model.data.WorkspaceItemInfo;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.IntSet;
import com.android.launcher3.util.ItemInfoMatcher;
import com.android.launcher3.util.LauncherBindableItemsContainer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
/**
* Launcher model Callbacks for rendering taskbar.
*/
public class TaskbarModelCallbacks implements
BgDataModel.Callbacks, LauncherBindableItemsContainer {
private final SparseArray<ItemInfo> mHotseatItems = new SparseArray<>();
private List<ItemInfo> mPredictedItems = Collections.emptyList();
private final TaskbarActivityContext mContext;
private final TaskbarView mContainer;
// Initialized in init.
private TaskbarControllers mControllers;
private boolean mBindInProgress = false;
public TaskbarModelCallbacks(
TaskbarActivityContext context, TaskbarView container) {
mContext = context;
mContainer = container;
}
public void init(TaskbarControllers controllers) {
mControllers = controllers;
}
@Override
public void startBinding() {
mBindInProgress = true;
mHotseatItems.clear();
mPredictedItems = Collections.emptyList();
}
@Override
public void finishBindingItems(IntSet pagesBoundFirst) {
mBindInProgress = false;
commitItemsToUI();
}
@Override
public void bindAppsAdded(IntArray newScreens, ArrayList<ItemInfo> addNotAnimated,
ArrayList<ItemInfo> addAnimated) {
boolean add1 = handleItemsAdded(addNotAnimated);
boolean add2 = handleItemsAdded(addAnimated);
if (add1 || add2) {
commitItemsToUI();
}
}
@Override
public void bindItems(List<ItemInfo> shortcuts, boolean forceAnimateIcons) {
if (handleItemsAdded(shortcuts)) {
commitItemsToUI();
}
}
private boolean handleItemsAdded(List<ItemInfo> items) {
boolean modified = false;
for (ItemInfo item : items) {
if (item.container == Favorites.CONTAINER_HOTSEAT) {
mHotseatItems.put(item.screenId, item);
modified = true;
}
}
return modified;
}
@Override
public void bindWorkspaceItemsChanged(List<WorkspaceItemInfo> updated) {
updateWorkspaceItems(updated, mContext);
}
@Override
public void bindRestoreItemsChange(HashSet<ItemInfo> updates) {
updateRestoreItems(updates, mContext);
}
@Override
public void mapOverItems(ItemOperator op) {
final int itemCount = mContainer.getChildCount();
for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
View item = mContainer.getChildAt(itemIdx);
if (op.evaluate((ItemInfo) item.getTag(), item)) {
return;
}
}
}
@Override
public void bindWorkspaceComponentsRemoved(ItemInfoMatcher matcher) {
if (handleItemsRemoved(matcher)) {
commitItemsToUI();
}
}
private boolean handleItemsRemoved(ItemInfoMatcher matcher) {
boolean modified = false;
for (int i = mHotseatItems.size() - 1; i >= 0; i--) {
if (matcher.matchesInfo(mHotseatItems.valueAt(i))) {
modified = true;
mHotseatItems.removeAt(i);
}
}
return modified;
}
@Override
public void bindItemsModified(List<ItemInfo> items) {
boolean removed = handleItemsRemoved(ItemInfoMatcher.ofItems(items));
boolean added = handleItemsAdded(items);
if (removed || added) {
commitItemsToUI();
}
}
@Override
public void bindExtraContainerItems(FixedContainerItems item) {
if (item.containerId == Favorites.CONTAINER_HOTSEAT_PREDICTION) {
mPredictedItems = item.items;
commitItemsToUI();
}
}
private void commitItemsToUI() {
if (mBindInProgress) {
return;
}
ItemInfo[] hotseatItemInfos =
new ItemInfo[mContext.getDeviceProfile().numShownHotseatIcons];
int predictionSize = mPredictedItems.size();
int predictionNextIndex = 0;
boolean isHotseatEmpty = true;
for (int i = 0; i < hotseatItemInfos.length; i++) {
hotseatItemInfos[i] = mHotseatItems.get(i);
if (hotseatItemInfos[i] == null && predictionNextIndex < predictionSize) {
hotseatItemInfos[i] = mPredictedItems.get(predictionNextIndex);
hotseatItemInfos[i].screenId = i;
predictionNextIndex++;
}
if (hotseatItemInfos[i] != null) {
isHotseatEmpty = false;
}
}
mContainer.updateHotseatItems(hotseatItemInfos);
final boolean finalIsHotseatEmpty = isHotseatEmpty;
mControllers.runAfterInit(() -> {
mControllers.taskbarStashController.updateStateForFlag(
TaskbarStashController.FLAG_STASHED_IN_APP_EMPTY, finalIsHotseatEmpty);
mControllers.taskbarStashController.applyState();
});
}
@Override
public void bindDeepShortcutMap(HashMap<ComponentKey, Integer> deepShortcutMapCopy) {
mControllers.taskbarPopupController.setDeepShortcutMap(deepShortcutMapCopy);
}
}
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