/*
* 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.settings.notification;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.applications.AppInfoBase;
import com.android.settingslib.RestrictedLockUtils;
import com.android.settingslib.RestrictedSwitchPreference;
import android.app.Notification;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Bundle;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.service.notification.NotificationListenerService.Ranking;
import android.support.v7.preference.Preference;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;
import java.util.ArrayList;
import static com.android.settings.notification.RestrictedDropDownPreference.RestrictedItem;
import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
abstract public class NotificationSettingsBase extends SettingsPreferenceFragment {
private static final String TAG = "NotifiSettingsBase";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private static final String TUNER_SETTING = "show_importance_slider";
protected static final String KEY_BYPASS_DND = "bypass_dnd";
protected static final String KEY_VISIBILITY_OVERRIDE = "visibility_override";
protected static final String KEY_IMPORTANCE = "importance";
protected static final String KEY_BLOCK = "block";
protected static final String KEY_SILENT = "silent";
protected PackageManager mPm;
protected UserManager mUm;
protected final NotificationBackend mBackend = new NotificationBackend();
protected Context mContext;
protected boolean mCreated;
protected int mUid;
protected int mUserId;
protected String mPkg;
protected PackageInfo mPkgInfo;
protected ImportanceSeekBarPreference mImportance;
protected RestrictedSwitchPreference mPriority;
protected RestrictedDropDownPreference mVisibilityOverride;
protected RestrictedSwitchPreference mBlock;
protected RestrictedSwitchPreference mSilent;
protected EnforcedAdmin mSuspendedAppsAdmin;
protected boolean mShowSlider = false;
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (DEBUG) Log.d(TAG, "onActivityCreated mCreated=" + mCreated);
if (mCreated) {
Log.w(TAG, "onActivityCreated: ignoring duplicate call");
return;
}
mCreated = true;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = getActivity();
Intent intent = getActivity().getIntent();
Bundle args = getArguments();
if (DEBUG) Log.d(TAG, "onCreate getIntent()=" + intent);
if (intent == null && args == null) {
Log.w(TAG, "No intent");
toastAndFinish();
return;
}
mPm = getPackageManager();
mUm = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
mPkg = args != null && args.containsKey(AppInfoBase.ARG_PACKAGE_NAME)
? args.getString(AppInfoBase.ARG_PACKAGE_NAME)
: intent.getStringExtra(Settings.EXTRA_APP_PACKAGE);
mUid = args != null && args.containsKey(AppInfoBase.ARG_PACKAGE_UID)
? args.getInt(AppInfoBase.ARG_PACKAGE_UID)
: intent.getIntExtra(Settings.EXTRA_APP_UID, -1);
if (mUid == -1 || TextUtils.isEmpty(mPkg)) {
Log.w(TAG, "Missing extras: " + Settings.EXTRA_APP_PACKAGE + " was " + mPkg + ", "
+ Settings.EXTRA_APP_UID + " was " + mUid);
toastAndFinish();
return;
}
mUserId = UserHandle.getUserId(mUid);
if (DEBUG) Log.d(TAG, "Load details for pkg=" + mPkg + " uid=" + mUid);
mPkgInfo = findPackageInfo(mPkg, mUid);
if (mPkgInfo == null) {
Log.w(TAG, "Failed to find package info: " + Settings.EXTRA_APP_PACKAGE + " was " + mPkg
+ ", " + Settings.EXTRA_APP_UID + " was " + mUid);
toastAndFinish();
return;
}
mSuspendedAppsAdmin = RestrictedLockUtils.checkIfApplicationIsSuspended(
mContext, mPkg, mUserId);
mShowSlider = Settings.Secure.getInt(getContentResolver(), TUNER_SETTING, 0) == 1;
}
@Override
public void onResume() {
super.onResume();
if ((mUid != -1 && getPackageManager().getPackagesForUid(mUid) == null)) {
// App isn't around anymore, must have been removed.
finish();
return;
}
mSuspendedAppsAdmin = RestrictedLockUtils.checkIfApplicationIsSuspended(
mContext, mPkg, mUserId);
if (mImportance != null) {
mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
}
if (mPriority != null) {
mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);
}
if (mBlock != null) {
mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
}
if (mSilent != null) {
mSilent.setDisabledByAdmin(mSuspendedAppsAdmin);
}
if (mVisibilityOverride != null) {
mVisibilityOverride.setDisabledByAdmin(mSuspendedAppsAdmin);
}
}
protected void setupImportancePrefs(boolean notBlockable, boolean notSilenceable,
int importance, boolean banned) {
if (mShowSlider && !notSilenceable) {
setVisible(mBlock, false);
setVisible(mSilent, false);
mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
mImportance.setMinimumProgress(
notBlockable ? Ranking.IMPORTANCE_MIN : Ranking.IMPORTANCE_NONE);
mImportance.setMax(Ranking.IMPORTANCE_MAX);
mImportance.setProgress(importance);
mImportance.setAutoOn(importance == Ranking.IMPORTANCE_UNSPECIFIED);
mImportance.setCallback(new ImportanceSeekBarPreference.Callback() {
@Override
public void onImportanceChanged(int progress, boolean fromUser) {
if (fromUser) {
mBackend.setImportance(mPkg, mUid, progress);
}
updateDependents(progress);
}
});
} else {
setVisible(mImportance, false);
// Hide controls that are not settable, unless they are already switched on.
final boolean blocked = (importance == Ranking.IMPORTANCE_NONE || banned);
if (notBlockable && !blocked) {
setVisible(mBlock, false);
} else {
mBlock.setChecked(blocked);
mBlock.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final boolean blocked = (Boolean) newValue;
final int importance =
blocked ? Ranking.IMPORTANCE_NONE : Ranking.IMPORTANCE_UNSPECIFIED;
mBackend.setImportance(mPkgInfo.packageName, mUid, importance);
updateDependents(importance);
return true;
}
});
}
final boolean silenced = (importance == Ranking.IMPORTANCE_LOW);
if (notSilenceable && !silenced) {
setVisible(mSilent, false);
} else {
mSilent.setChecked(silenced);
mSilent.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final boolean silenced = (Boolean) newValue;
final int importance =
silenced ? Ranking.IMPORTANCE_LOW : Ranking.IMPORTANCE_UNSPECIFIED;
mBackend.setImportance(mPkgInfo.packageName, mUid, importance);
updateDependents(importance);
return true;
}
});
}
updateDependents(banned ? Ranking.IMPORTANCE_NONE : importance);
}
}
protected void setupPriorityPref(boolean priority) {
mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);
mPriority.setChecked(priority);
mPriority.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final boolean bypassZenMode = (Boolean) newValue;
return mBackend.setBypassZenMode(mPkgInfo.packageName, mUid, bypassZenMode);
}
});
}
protected void setupVisOverridePref(int sensitive) {
ArrayList<CharSequence> entries = new ArrayList<>();
ArrayList<CharSequence> values = new ArrayList<>();
mVisibilityOverride.clearRestrictedItems();
if (getLockscreenNotificationsEnabled() && getLockscreenAllowPrivateNotifications()) {
final String summaryShowEntry =
getString(R.string.lock_screen_notifications_summary_show);
final String summaryShowEntryValue = Integer.toString(Ranking.VISIBILITY_NO_OVERRIDE);
entries.add(summaryShowEntry);
values.add(summaryShowEntryValue);
setRestrictedIfNotificationFeaturesDisabled(summaryShowEntry, summaryShowEntryValue,
DevicePolicyManager.KEYGUARD_DISABLE_SECURE_NOTIFICATIONS
| DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS);
}
final String summaryHideEntry = getString(R.string.lock_screen_notifications_summary_hide);
final String summaryHideEntryValue = Integer.toString(Notification.VISIBILITY_PRIVATE);
entries.add(summaryHideEntry);
values.add(summaryHideEntryValue);
setRestrictedIfNotificationFeaturesDisabled(summaryHideEntry, summaryHideEntryValue,
DevicePolicyManager.KEYGUARD_DISABLE_SECURE_NOTIFICATIONS);
entries.add(getString(R.string.lock_screen_notifications_summary_disable));
values.add(Integer.toString(Notification.VISIBILITY_SECRET));
mVisibilityOverride.setEntries(entries.toArray(new CharSequence[entries.size()]));
mVisibilityOverride.setEntryValues(values.toArray(new CharSequence[values.size()]));
if (sensitive == Ranking.VISIBILITY_NO_OVERRIDE) {
mVisibilityOverride.setValue(Integer.toString(getGlobalVisibility()));
} else {
mVisibilityOverride.setValue(Integer.toString(sensitive));
}
mVisibilityOverride.setSummary("%s");
mVisibilityOverride.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
int sensitive = Integer.parseInt((String) newValue);
if (sensitive == getGlobalVisibility()) {
sensitive = Ranking.VISIBILITY_NO_OVERRIDE;
}
mBackend.setVisibilityOverride(mPkgInfo.packageName, mUid, sensitive);
return true;
}
});
}
private void setRestrictedIfNotificationFeaturesDisabled(CharSequence entry,
CharSequence entryValue, int keyguardNotificationFeatures) {
EnforcedAdmin admin = RestrictedLockUtils.checkIfKeyguardFeaturesDisabled(
mContext, keyguardNotificationFeatures, mUserId);
if (admin != null) {
RestrictedItem item = new RestrictedItem(entry, entryValue, admin);
mVisibilityOverride.addRestrictedItem(item);
}
}
private int getGlobalVisibility() {
int globalVis = Ranking.VISIBILITY_NO_OVERRIDE;
if (!getLockscreenNotificationsEnabled()) {
globalVis = Notification.VISIBILITY_SECRET;
} else if (!getLockscreenAllowPrivateNotifications()) {
globalVis = Notification.VISIBILITY_PRIVATE;
}
return globalVis;
}
protected boolean getLockscreenNotificationsEnabled() {
return Settings.Secure.getInt(getContentResolver(),
Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, 0) != 0;
}
protected boolean getLockscreenAllowPrivateNotifications() {
return Settings.Secure.getInt(getContentResolver(),
Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0) != 0;
}
abstract void updateDependents(int progress);
protected void setVisible(Preference p, boolean visible) {
final boolean isVisible = getPreferenceScreen().findPreference(p.getKey()) != null;
if (isVisible == visible) return;
if (visible) {
getPreferenceScreen().addPreference(p);
} else {
getPreferenceScreen().removePreference(p);
}
}
protected void toastAndFinish() {
Toast.makeText(mContext, R.string.app_not_found_dlg_text, Toast.LENGTH_SHORT).show();
getActivity().finish();
}
private PackageInfo findPackageInfo(String pkg, int uid) {
final String[] packages = mPm.getPackagesForUid(uid);
if (packages != null && pkg != null) {
final int N = packages.length;
for (int i = 0; i < N; i++) {
final String p = packages[i];
if (pkg.equals(p)) {
try {
return mPm.getPackageInfo(pkg, PackageManager.GET_SIGNATURES);
} catch (NameNotFoundException e) {
Log.w(TAG, "Failed to load package " + pkg, e);
}
}
}
}
return null;
}
}