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/*
* Copyright (C) 2014 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;
import static com.android.launcher3.util.PackageManagerHelper.findSystemApk;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.Pair;
import java.io.File;
/**
* Utilities to discover and interact with partner customizations. There can
* only be one set of customizations on a device, and it must be bundled with
* the system.
*/
public class Partner {
static final String TAG = "Launcher.Partner";
/** Marker action used to discover partner */
private static final String
ACTION_PARTNER_CUSTOMIZATION = "com.android.launcher3.action.PARTNER_CUSTOMIZATION";
public static final String RES_FOLDER = "partner_folder";
public static final String RES_WALLPAPERS = "partner_wallpapers";
public static final String RES_DEFAULT_LAYOUT = "partner_default_layout";
public static final String RES_DEFAULT_WALLPAPER_HIDDEN = "default_wallpapper_hidden";
public static final String RES_SYSTEM_WALLPAPER_DIR = "system_wallpaper_directory";
public static final String RES_REQUIRE_FIRST_RUN_FLOW = "requires_first_run_flow";
/** These resources are used to override the device profile */
public static final String RES_GRID_NUM_ROWS = "grid_num_rows";
public static final String RES_GRID_NUM_COLUMNS = "grid_num_columns";
public static final String RES_GRID_ICON_SIZE_DP = "grid_icon_size_dp";
/**
* Find and return partner details, or {@code null} if none exists.
*/
public static synchronized Partner get(PackageManager pm) {
Pair<String, Resources> apkInfo = findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
return apkInfo != null ? new Partner(apkInfo.first, apkInfo.second) : null;
}
private final String mPackageName;
private final Resources mResources;
private Partner(String packageName, Resources res) {
mPackageName = packageName;
mResources = res;
}
public String getPackageName() {
return mPackageName;
}
public Resources getResources() {
return mResources;
}
public boolean hasDefaultLayout() {
int defaultLayout = getResources().getIdentifier(Partner.RES_DEFAULT_LAYOUT,
"xml", getPackageName());
return defaultLayout != 0;
}
public boolean hasFolder() {
int folder = getResources().getIdentifier(Partner.RES_FOLDER,
"xml", getPackageName());
return folder != 0;
}
public boolean hideDefaultWallpaper() {
int resId = getResources().getIdentifier(RES_DEFAULT_WALLPAPER_HIDDEN, "bool",
getPackageName());
return resId != 0 && getResources().getBoolean(resId);
}
public File getWallpaperDirectory() {
int resId = getResources().getIdentifier(RES_SYSTEM_WALLPAPER_DIR, "string",
getPackageName());
return (resId != 0) ? new File(getResources().getString(resId)) : null;
}
public boolean requiresFirstRunFlow() {
int resId = getResources().getIdentifier(RES_REQUIRE_FIRST_RUN_FLOW, "bool",
getPackageName());
return resId != 0 && getResources().getBoolean(resId);
}
public void applyInvariantDeviceProfileOverrides(InvariantDeviceProfile inv, DisplayMetrics dm) {
int numRows = -1;
int numColumns = -1;
float iconSize = -1;
try {
int resId = getResources().getIdentifier(RES_GRID_NUM_ROWS,
"integer", getPackageName());
if (resId > 0) {
numRows = getResources().getInteger(resId);
}
resId = getResources().getIdentifier(RES_GRID_NUM_COLUMNS,
"integer", getPackageName());
if (resId > 0) {
numColumns = getResources().getInteger(resId);
}
resId = getResources().getIdentifier(RES_GRID_ICON_SIZE_DP,
"dimen", getPackageName());
if (resId > 0) {
int px = getResources().getDimensionPixelSize(resId);
iconSize = Utilities.dpiFromPx((float) px, dm.densityDpi);
}
} catch (Resources.NotFoundException ex) {
Log.e(TAG, "Invalid Partner grid resource!", ex);
return;
}
if (numRows > 0 && numColumns > 0) {
inv.numRows = numRows;
inv.numColumns = numColumns;
}
if (iconSize > 0) {
inv.iconSize[InvariantDeviceProfile.INDEX_DEFAULT] = iconSize;
}
}
}