Support proxy
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/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.preference;
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import android.annotation.SuppressLint;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.support.design.widget.TextInputLayout;
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import android.support.v7.app.AlertDialog;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.Spinner;
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import com.hippo.ehviewer.EhApplication;
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import com.hippo.ehviewer.EhProxySelector;
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import com.hippo.ehviewer.R;
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import com.hippo.ehviewer.Settings;
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import com.hippo.network.InetValidator;
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import com.hippo.preference.DialogPreference;
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import com.hippo.yorozuya.MathUtils;
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import com.hippo.yorozuya.ViewUtils;
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public class ProxyPreference extends DialogPreference implements View.OnClickListener {
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private Spinner mType;
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private TextInputLayout mIpInputLayout;
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private EditText mIp;
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private TextInputLayout mPortInputLayout;
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private EditText mPort;
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public ProxyPreference(Context context) {
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super(context);
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init();
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}
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public ProxyPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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public ProxyPreference(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init();
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}
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private void init() {
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setDialogLayoutResource(R.layout.preference_dialog_proxy);
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updateSummary(Settings.getProxyType(), Settings.getProxyIp(), Settings.getProxyPort());
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}
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private String getProxyTypeText(Context context, int type) {
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String[] array = context.getResources().getStringArray(R.array.proxy_types);
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return array[MathUtils.clamp(type, 0, array.length - 1)];
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}
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private void updateSummary(int type, String ip, int port) {
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if ((type == EhProxySelector.TYPE_HTTP || type == EhProxySelector.TYPE_SOCKS)
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&& (TextUtils.isEmpty(ip) || !InetValidator.isValidInetPort(port)) ) {
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type = EhProxySelector.TYPE_SYSTEM;
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}
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if (type == EhProxySelector.TYPE_HTTP || type == EhProxySelector.TYPE_SOCKS) {
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Context context = getContext();
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setSummary(context.getString(R.string.settings_advanced_proxy_summary_1,
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getProxyTypeText(context, type),
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ip,
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port));
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} else {
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Context context = getContext();
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setSummary(context.getString(R.string.settings_advanced_proxy_summary_2,
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getProxyTypeText(context, type)));
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}
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}
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@Override
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protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
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super.onPrepareDialogBuilder(builder);
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builder.setPositiveButton(android.R.string.ok, null);
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}
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@Override
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@SuppressLint("SetTextI18n")
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protected void onDialogCreated(AlertDialog dialog) {
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super.onDialogCreated(dialog);
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dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(this);
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mType = (Spinner) ViewUtils.$$(dialog, R.id.type);
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mIpInputLayout = (TextInputLayout) ViewUtils.$$(dialog, R.id.ip_input_layout);
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mIp = (EditText) ViewUtils.$$(dialog, R.id.ip);
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mPortInputLayout = (TextInputLayout) ViewUtils.$$(dialog, R.id.port_input_layout);
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mPort = (EditText) ViewUtils.$$(dialog, R.id.port);
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int type = Settings.getProxyType();
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String[] array = getContext().getResources().getStringArray(R.array.proxy_types);
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mType.setSelection(MathUtils.clamp(type, 0, array.length));
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mIp.setText(Settings.getProxyIp());
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String portString;
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int port = Settings.getProxyPort();
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if (!InetValidator.isValidInetPort(port)) {
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portString = null;
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} else {
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portString = Integer.toString(port);
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}
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mPort.setText(portString);
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}
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@Override
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protected void onDialogClosed(boolean positiveResult) {
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super.onDialogClosed(positiveResult);
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mType = null;
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mIpInputLayout = null;
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mIp = null;
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mPortInputLayout = null;
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mPort = null;
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}
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@Override
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public void onClick(View v) {
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Dialog dialog = getDialog();
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Context context = getContext();
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if (null == dialog || null == context || null == mType ||
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null == mIpInputLayout || null == mIp ||
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null == mPortInputLayout || null == mPort) {
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return;
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}
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int type = mType.getSelectedItemPosition();
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String ip = mIp.getText().toString().trim();
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if (ip.isEmpty()) {
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if (type == EhProxySelector.TYPE_HTTP || type == EhProxySelector.TYPE_SOCKS) {
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mIpInputLayout.setError(context.getString(R.string.text_is_empty));
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return;
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}
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}
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mIpInputLayout.setError(null);
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int port;
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String portString = mPort.getText().toString().trim();
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if (portString.isEmpty()) {
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if (type == EhProxySelector.TYPE_HTTP || type == EhProxySelector.TYPE_SOCKS) {
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mPortInputLayout.setError(context.getString(R.string.text_is_empty));
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return;
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} else {
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port = -1;
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}
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} else {
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try {
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port = Integer.parseInt(portString);
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} catch (NumberFormatException e) {
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port = -1;
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}
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if (!InetValidator.isValidInetPort(port)) {
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mPortInputLayout.setError(context.getString(R.string.proxy_invalid_port));
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return;
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}
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}
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mPortInputLayout.setError(null);
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Settings.putProxyType(type);
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Settings.putProxyIp(ip);
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Settings.putProxyPort(port);
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updateSummary(type, ip, port);
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EhApplication.getEhProxySelector(getContext()).updateProxy();
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dialog.dismiss();
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}
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}
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