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/*
* Copyright (C) 2015 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.tv.customization;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.util.Log;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class TvCustomizationManager {
private static final String TAG = "TvCustomizationManager";
private static final boolean DEBUG = false;
private static final String CATEGORY_TV_CUSTOMIZATION =
"com.android.tv.category";
/**
* Row IDs to share customized actions.
* Only rows listed below can have customized action.
*/
public static final String ID_OPTIONS_ROW = "options_row";
public static final String ID_PARTNER_ROW = "partner_row";
private static final HashMap<String, String> INTENT_CATEGORY_TO_ROW_ID;
static {
INTENT_CATEGORY_TO_ROW_ID = new HashMap<>();
INTENT_CATEGORY_TO_ROW_ID.put(CATEGORY_TV_CUSTOMIZATION + ".OPTIONS_ROW", ID_OPTIONS_ROW);
INTENT_CATEGORY_TO_ROW_ID.put(CATEGORY_TV_CUSTOMIZATION + ".PARTNER_ROW", ID_PARTNER_ROW);
}
private static final String RES_ID_PARTNER_ROW_TITLE = "partner_row_title";
private static final String RES_TYPE_STRING = "string";
private final Context mContext;
private boolean mInitialized;
private String mCustomizationPackage;
private String mPartnerRowTitle;
private final Map<String, List<CustomAction>> mRowIdToCustomActionsMap = new HashMap<>();
public TvCustomizationManager(Context context) {
mContext = context;
mInitialized = false;
}
/**
* Initialize TV customization options.
* Run this API only on the main thread.
*/
public void initialize() {
if (mInitialized) {
return;
}
mInitialized = true;
buildCustomActions();
if (!TextUtils.isEmpty(mCustomizationPackage)) {
buildPartnerRow();
}
}
private void buildCustomActions() {
mCustomizationPackage = null;
mRowIdToCustomActionsMap.clear();
PackageManager pm = mContext.getPackageManager();
for (String intentCategory : INTENT_CATEGORY_TO_ROW_ID.keySet()) {
Intent customOptionIntent = new Intent(Intent.ACTION_MAIN);
customOptionIntent.addCategory(intentCategory);
List<ResolveInfo> activities = pm.queryIntentActivities(customOptionIntent,
PackageManager.GET_RECEIVERS | PackageManager.GET_RESOLVED_FILTER
| PackageManager.GET_META_DATA);
for (ResolveInfo info : activities) {
String packageName = info.activityInfo.packageName;
if (TextUtils.isEmpty(mCustomizationPackage)) {
if (DEBUG) Log.d(TAG, "Found TV customization package " + packageName);
if ((info.activityInfo.applicationInfo.flags
& ApplicationInfo.FLAG_SYSTEM) == 0) {
Log.w(TAG, "Only system app can customize TV. Ignoring " + packageName);
continue;
}
mCustomizationPackage = packageName;
} else if (!packageName.equals(mCustomizationPackage)) {
Log.w(TAG, "A customization package " + mCustomizationPackage
+ " already exist. Ignoring " + packageName);
continue;
}
int position = info.filter.getPriority();
String title = info.loadLabel(pm).toString();
Drawable drawable = info.loadIcon(pm);
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(intentCategory);
intent.setClassName(mCustomizationPackage, info.activityInfo.name);
String rowId = INTENT_CATEGORY_TO_ROW_ID.get(intentCategory);
List<CustomAction> actions = mRowIdToCustomActionsMap.get(rowId);
if (actions == null) {
actions = new ArrayList<>();
mRowIdToCustomActionsMap.put(rowId, actions);
}
actions.add(new CustomAction(position, title, drawable, intent));
}
}
// Sort items by position
for (List<CustomAction> actions : mRowIdToCustomActionsMap.values()) {
Collections.sort(actions);
}
if (DEBUG) {
Log.d(TAG, "Dumping custom actions");
for (String id : mRowIdToCustomActionsMap.keySet()) {
for (CustomAction action : mRowIdToCustomActionsMap.get(id)) {
Log.d(TAG, "Custom row rowId=" + id + " title=" + action.getTitle()
+ " class=" + action.getIntent());
}
}
Log.d(TAG, "Dumping custom actions - end of dump");
}
}
/**
* Returns custom actions for given row id.
*
* Row ID is one of ID_OPTIONS_ROW or ID_PARTNER_ROW.
*/
public List<CustomAction> getCustomActions(String rowId) {
return mRowIdToCustomActionsMap.get(rowId);
}
private void buildPartnerRow() {
mPartnerRowTitle = null;
Resources res;
try {
res = mContext.getPackageManager()
.getResourcesForApplication(mCustomizationPackage);
} catch (NameNotFoundException e) {
Log.w(TAG, "Could not get resources for package " + mCustomizationPackage);
return;
}
int resId = res.getIdentifier(
RES_ID_PARTNER_ROW_TITLE, RES_TYPE_STRING, mCustomizationPackage);
if (resId != 0) {
mPartnerRowTitle = res.getString(resId);
}
if (DEBUG) Log.d(TAG, "Partner row title [" + mPartnerRowTitle + "]");
}
/**
* Returns partner row title.
*/
public String getPartnerRowTitle() {
return mPartnerRowTitle;
}
}
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