8e8643122e
Hacking things up via gradle is not right, and package-info.java poses problems with two modules, so instead we just apply it manually to every class. Remember to add this to new classes! Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
106 lines
3.8 KiB
Java
106 lines
3.8 KiB
Java
/*
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* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.preference;
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import com.wireguard.util.NonNullForAll;
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import android.content.Context;
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import androidx.annotation.Nullable;
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import androidx.preference.Preference;
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import android.util.AttributeSet;
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import com.wireguard.android.Application;
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import com.wireguard.android.R;
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import com.wireguard.android.util.ToolsInstaller;
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/**
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* Preference implementing a button that asynchronously runs {@code ToolsInstaller} and displays the
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* result as the preference summary.
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*/
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@NonNullForAll
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public class ToolsInstallerPreference extends Preference {
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private State state = State.INITIAL;
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public ToolsInstallerPreference(final Context context, final AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public CharSequence getSummary() {
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return getContext().getString(state.messageResourceId);
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}
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@Override
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public CharSequence getTitle() {
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return getContext().getString(R.string.tools_installer_title);
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}
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@Override
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public void onAttached() {
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super.onAttached();
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Application.getAsyncWorker().supplyAsync(Application.getToolsInstaller()::areInstalled).whenComplete(this::onCheckResult);
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}
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private void onCheckResult(final int state, @Nullable final Throwable throwable) {
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if (throwable != null || state == ToolsInstaller.ERROR)
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setState(State.INITIAL);
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else if ((state & ToolsInstaller.YES) == ToolsInstaller.YES)
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setState(State.ALREADY);
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else if ((state & (ToolsInstaller.MAGISK | ToolsInstaller.NO)) == (ToolsInstaller.MAGISK | ToolsInstaller.NO))
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setState(State.INITIAL_MAGISK);
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else if ((state & (ToolsInstaller.SYSTEM | ToolsInstaller.NO)) == (ToolsInstaller.SYSTEM | ToolsInstaller.NO))
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setState(State.INITIAL_SYSTEM);
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else
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setState(State.INITIAL);
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}
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@Override
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protected void onClick() {
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setState(State.WORKING);
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Application.getAsyncWorker().supplyAsync(Application.getToolsInstaller()::install).whenComplete(this::onInstallResult);
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}
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private void onInstallResult(final Integer result, @Nullable final Throwable throwable) {
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if (throwable != null)
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setState(State.FAILURE);
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else if ((result & (ToolsInstaller.YES | ToolsInstaller.MAGISK)) == (ToolsInstaller.YES | ToolsInstaller.MAGISK))
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setState(State.SUCCESS_MAGISK);
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else if ((result & (ToolsInstaller.YES | ToolsInstaller.SYSTEM)) == (ToolsInstaller.YES | ToolsInstaller.SYSTEM))
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setState(State.SUCCESS_SYSTEM);
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else
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setState(State.FAILURE);
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}
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private void setState(final State state) {
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if (this.state == state)
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return;
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this.state = state;
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if (isEnabled() != state.shouldEnableView)
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setEnabled(state.shouldEnableView);
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notifyChanged();
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}
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private enum State {
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INITIAL(R.string.tools_installer_initial, true),
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ALREADY(R.string.tools_installer_already, false),
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FAILURE(R.string.tools_installer_failure, true),
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WORKING(R.string.tools_installer_working, false),
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INITIAL_SYSTEM(R.string.tools_installer_initial_system, true),
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SUCCESS_SYSTEM(R.string.tools_installer_success_system, false),
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INITIAL_MAGISK(R.string.tools_installer_initial_magisk, true),
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SUCCESS_MAGISK(R.string.tools_installer_success_magisk, false);
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private final int messageResourceId;
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private final boolean shouldEnableView;
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State(final int messageResourceId, final boolean shouldEnableView) {
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this.messageResourceId = messageResourceId;
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this.shouldEnableView = shouldEnableView;
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}
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}
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}
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