/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.settings.print;
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import android.content.Context;
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import android.print.PrintJob;
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import android.print.PrintJobId;
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import android.print.PrintManager;
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import android.util.Log;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnStart;
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import com.android.settingslib.core.lifecycle.events.OnStop;
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public abstract class PrintJobPreferenceControllerBase extends BasePreferenceController implements
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LifecycleObserver, OnStart, OnStop, PrintManager.PrintJobStateChangeListener {
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private static final String TAG = "PrintJobPrefCtrlBase";
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private static final String EXTRA_PRINT_JOB_ID = "EXTRA_PRINT_JOB_ID";
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private final PrintManager mPrintManager;
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protected Preference mPreference;
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protected PrintJobSettingsFragment mFragment;
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protected PrintJobId mPrintJobId;
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public PrintJobPreferenceControllerBase(Context context, String key) {
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super(context, key);
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mPrintManager = ((PrintManager) mContext.getSystemService(
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Context.PRINT_SERVICE)).getGlobalPrintManagerForUser(mContext.getUserId());
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}
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@Override
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public void onStart() {
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mPrintManager.addPrintJobStateChangeListener(this);
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updateUi();
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}
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@Override
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public void onStop() {
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mPrintManager.removePrintJobStateChangeListener(this);
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public void onPrintJobStateChanged(PrintJobId printJobId) {
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updateUi();
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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}
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public void init(PrintJobSettingsFragment fragment) {
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mFragment = fragment;
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processArguments();
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}
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protected PrintJob getPrintJob() {
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return mPrintManager.getPrintJob(mPrintJobId);
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}
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protected abstract void updateUi();
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private void processArguments() {
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String printJobId = mFragment.getArguments().getString(EXTRA_PRINT_JOB_ID);
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if (printJobId == null) {
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printJobId = mFragment.getActivity().getIntent().getStringExtra(EXTRA_PRINT_JOB_ID);
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if (printJobId == null) {
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Log.w(TAG, EXTRA_PRINT_JOB_ID + " not set");
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mFragment.finish();
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return;
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}
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}
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mPrintJobId = PrintJobId.unflattenFromString(printJobId);
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}
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}
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