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/*
* Copyright (C) 2019 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 static com.android.launcher3.Utilities.isValidExtraType;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Process;
import android.util.Log;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.Utilities;
import com.android.launcher3.icons.BitmapInfo;
import com.android.launcher3.icons.LauncherIcons;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.model.data.WorkspaceItemInfo;
import com.android.launcher3.testing.TestProtocol;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.IntSet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.IntStream;
/**
* Utils class for {@link com.android.launcher3.LauncherModel}.
*/
public class ModelUtils {
private static final String TAG = "ModelUtils";
/**
* Filters the set of items who are directly or indirectly (via another container) on the
* specified screen.
*/
public static <T extends ItemInfo> void filterCurrentWorkspaceItems(
IntSet currentScreenIds,
ArrayList<T> allWorkspaceItems,
ArrayList<T> currentScreenItems,
ArrayList<T> otherScreenItems) {
// Purge any null ItemInfos
allWorkspaceItems.removeIf(Objects::isNull);
// Order the set of items by their containers first, this allows use to walk through the
// list sequentially, build up a list of containers that are in the specified screen,
// as well as all items in those containers.
IntSet itemsOnScreen = new IntSet();
Collections.sort(allWorkspaceItems,
(lhs, rhs) -> Integer.compare(lhs.container, rhs.container));
for (T info : allWorkspaceItems) {
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
if (TestProtocol.sDebugTracing) {
Log.d(TestProtocol.NULL_INT_SET, "filterCurrentWorkspaceItems: "
+ currentScreenIds);
}
if (currentScreenIds.contains(info.screenId)) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
} else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
if (itemsOnScreen.contains(info.container)) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
}
}
}
/**
* Iterates though current workspace items and returns available hotseat ranks for prediction.
*/
public static IntArray getMissingHotseatRanks(List<ItemInfo> items, int len) {
IntSet seen = new IntSet();
items.stream().filter(
info -> info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)
.forEach(i -> seen.add(i.screenId));
IntArray result = new IntArray(len);
IntStream.range(0, len).filter(i -> !seen.contains(i)).forEach(result::add);
return result;
}
/**
* Creates a workspace item info for the legacy shortcut intent
*/
@SuppressWarnings("deprecation")
public static WorkspaceItemInfo fromLegacyShortcutIntent(Context context, Intent data) {
if (!isValidExtraType(data, Intent.EXTRA_SHORTCUT_INTENT, Intent.class)
|| !(isValidExtraType(data, Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.class))
|| !(isValidExtraType(data, Intent.EXTRA_SHORTCUT_ICON, Bitmap.class))) {
Log.e(TAG, "Invalid install shortcut intent");
return null;
}
Intent launchIntent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
String label = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
if (launchIntent == null || label == null) {
Log.e(TAG, "Invalid install shortcut intent");
return null;
}
final WorkspaceItemInfo info = new WorkspaceItemInfo();
info.user = Process.myUserHandle();
BitmapInfo iconInfo = null;
try (LauncherIcons li = LauncherIcons.obtain(context)) {
Bitmap bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON);
if (bitmap != null) {
iconInfo = li.createIconBitmap(bitmap);
} else {
info.iconResource = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE);
if (info.iconResource != null) {
iconInfo = li.createIconBitmap(info.iconResource);
}
}
}
if (iconInfo == null) {
Log.e(TAG, "Invalid icon by the app");
return null;
}
info.bitmap = iconInfo;
info.contentDescription = info.title = Utilities.trim(label);
info.intent = launchIntent;
return info;
}
}
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