Java tutorial
/* * Copyright (C) 2017 Vincent Breitmoser <v.breitmoser@mugenguild.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.sufficientlysecure.keychain.ui.keyview.view; import java.util.Date; import android.content.Context; import android.support.annotation.ColorRes; import android.support.annotation.DrawableRes; import android.support.annotation.StringRes; import android.support.v4.content.ContextCompat; import android.text.format.DateFormat; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.pgp.SecurityProblem.InsecureBitStrength; import org.sufficientlysecure.keychain.pgp.SecurityProblem.KeySecurityProblem; import org.sufficientlysecure.keychain.pgp.SecurityProblem.NotWhitelistedCurve; import org.sufficientlysecure.keychain.pgp.SecurityProblem.UnidentifiedKeyProblem; import org.sufficientlysecure.keychain.ui.keyview.presenter.KeyHealthPresenter.KeyHealthClickListener; import org.sufficientlysecure.keychain.ui.keyview.presenter.KeyHealthPresenter.KeyHealthMvpView; import org.sufficientlysecure.keychain.ui.keyview.presenter.KeyHealthPresenter.KeyHealthStatus; import org.sufficientlysecure.keychain.ui.keyview.view.KeyStatusList.KeyDisplayStatus; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; public class KeyHealthView extends LinearLayout implements KeyHealthMvpView, OnClickListener { private final View vLayout; private final TextView vTitle, vSubtitle; private final ImageView vIcon; private final ImageView vExpander; private final KeyStatusList vKeyStatusList; private final View vKeyStatusDivider; private final View vInsecureLayout; private final TextView vInsecureProblem; private final TextView vInsecureSolution; private final View vExpiryLayout; private final TextView vExpiryText; private KeyHealthClickListener keyHealthClickListener; public KeyHealthView(Context context, AttributeSet attrs) { super(context, attrs); setOrientation(VERTICAL); View view = LayoutInflater.from(context).inflate(R.layout.key_health_card_content, this, true); vLayout = view.findViewById(R.id.key_health_layout); vTitle = (TextView) view.findViewById(R.id.key_health_title); vSubtitle = (TextView) view.findViewById(R.id.key_health_subtitle); vIcon = (ImageView) view.findViewById(R.id.key_health_icon); vExpander = (ImageView) view.findViewById(R.id.key_health_expander); vLayout.setOnClickListener(this); vKeyStatusDivider = view.findViewById(R.id.key_health_divider); vKeyStatusList = (KeyStatusList) view.findViewById(R.id.key_health_status_list); vInsecureLayout = view.findViewById(R.id.key_insecure_layout); vInsecureProblem = (TextView) view.findViewById(R.id.key_insecure_problem); vInsecureSolution = (TextView) view.findViewById(R.id.key_insecure_solution); vExpiryLayout = view.findViewById(R.id.key_expiry_layout); vExpiryText = (TextView) view.findViewById(R.id.key_expiry_text); } private enum KeyHealthDisplayStatus { OK(R.string.key_health_ok_title, R.string.key_health_ok_subtitle, R.drawable.ic_check_black_24dp, R.color.android_green_light), DIVERT(R.string.key_health_divert_title, R.string.key_health_divert_subtitle, R.drawable.yubi_icon_24dp, R.color.md_black_1000), DIVERT_PARTIAL(R.string.key_health_divert_partial_title, R.string.key_health_divert_partial_subtitle, R.drawable.yubi_icon_24dp, R.color.md_black_1000), REVOKED(R.string.key_health_revoked_title, R.string.key_health_revoked_subtitle, R.drawable.ic_close_black_24dp, R.color.android_red_light), EXPIRED(R.string.key_health_expired_title, R.string.key_health_expired_subtitle, R.drawable.status_signature_expired_cutout_24dp, R.color.android_red_light), INSECURE( R.string.key_health_insecure_title, R.string.key_health_insecure_subtitle, R.drawable.ic_close_black_24dp, R.color.android_red_light), BROKEN( R.string.key_health_broken_title, R.string.key_health_broken_subtitle, R.drawable.broken_heart_24dp, R.color.android_red_light), SIGN_ONLY( R.string.key_health_sign_only_title, R.string.key_health_sign_only_subtitle, R.drawable.ic_check_black_24dp, R.color.android_green_light), STRIPPED( R.string.key_health_stripped_title, R.string.key_health_stripped_subtitle, R.drawable.ic_check_black_24dp, R.color.android_green_light), PARTIAL_STRIPPED( R.string.key_health_partial_stripped_title, R.string.key_health_partial_stripped_subtitle, R.drawable.ic_check_black_24dp, R.color.android_green_light); @StringRes private final int title, subtitle; @DrawableRes private final int icon; @ColorRes private final int iconColor; KeyHealthDisplayStatus(@StringRes int title, @StringRes int subtitle, @DrawableRes int icon, @ColorRes int iconColor) { this.title = title; this.subtitle = subtitle; this.icon = icon; this.iconColor = iconColor; } } @Override public void setKeyStatus(KeyHealthStatus keyHealthStatus) { switch (keyHealthStatus) { case OK: setKeyStatus(KeyHealthDisplayStatus.OK); break; case DIVERT: setKeyStatus(KeyHealthDisplayStatus.DIVERT); break; case DIVERT_PARTIAL: setKeyStatus(KeyHealthDisplayStatus.DIVERT_PARTIAL); break; case REVOKED: setKeyStatus(KeyHealthDisplayStatus.REVOKED); break; case EXPIRED: setKeyStatus(KeyHealthDisplayStatus.EXPIRED); break; case INSECURE: setKeyStatus(KeyHealthDisplayStatus.INSECURE); break; case BROKEN: setKeyStatus(KeyHealthDisplayStatus.BROKEN); break; case STRIPPED: setKeyStatus(KeyHealthDisplayStatus.STRIPPED); break; case SIGN_ONLY: setKeyStatus(KeyHealthDisplayStatus.SIGN_ONLY); break; case PARTIAL_STRIPPED: setKeyStatus(KeyHealthDisplayStatus.PARTIAL_STRIPPED); break; } } @Override public void setPrimarySecurityProblem(KeySecurityProblem securityProblem) { if (securityProblem == null) { vInsecureLayout.setVisibility(View.GONE); return; } vInsecureLayout.setVisibility(View.VISIBLE); if (securityProblem instanceof InsecureBitStrength) { InsecureBitStrength insecureBitStrength = (InsecureBitStrength) securityProblem; vInsecureProblem.setText(getResources().getString(R.string.key_insecure_bitstrength_2048_problem, KeyFormattingUtils.getAlgorithmInfo(insecureBitStrength.algorithm), Integer.toString(insecureBitStrength.bitStrength))); vInsecureSolution.setText(R.string.key_insecure_bitstrength_2048_solution); } else if (securityProblem instanceof NotWhitelistedCurve) { NotWhitelistedCurve notWhitelistedCurve = (NotWhitelistedCurve) securityProblem; String curveName = KeyFormattingUtils.getCurveInfo(getContext(), notWhitelistedCurve.curveOid); vInsecureProblem .setText(getResources().getString(R.string.key_insecure_unknown_curve_problem, curveName)); vInsecureSolution.setText(R.string.key_insecure_unknown_curve_solution); } else if (securityProblem instanceof UnidentifiedKeyProblem) { vInsecureProblem.setText(R.string.key_insecure_unidentified_problem); vInsecureSolution.setText(R.string.key_insecure_unknown_curve_solution); } else { throw new IllegalArgumentException("all subclasses of KeySecurityProblem must be handled!"); } } @Override public void setPrimaryExpiryDate(Date expiry) { if (expiry == null) { vExpiryLayout.setVisibility(View.GONE); return; } vExpiryLayout.setVisibility(View.VISIBLE); String expiryText = DateFormat.getMediumDateFormat(getContext()).format(expiry); vExpiryText.setText(getResources().getString(R.string.key_expiry_text, expiryText)); } @Override public void onClick(View view) { if (keyHealthClickListener != null) { keyHealthClickListener.onKeyHealthClick(); } } @Override public void setOnHealthClickListener(KeyHealthClickListener keyHealthClickListener) { this.keyHealthClickListener = keyHealthClickListener; vLayout.setClickable(keyHealthClickListener != null); } @Override public void setShowExpander(boolean showExpander) { vLayout.setClickable(showExpander); vExpander.setVisibility(showExpander ? View.VISIBLE : View.GONE); } @Override public void showExpandedState(KeyDisplayStatus certifyStatus, KeyDisplayStatus signStatus, KeyDisplayStatus encryptStatus) { if (certifyStatus == null && signStatus == null && encryptStatus == null) { vKeyStatusList.setVisibility(View.GONE); vKeyStatusDivider.setVisibility(View.GONE); vExpander.setImageResource(R.drawable.ic_expand_more_black_24dp); } else { vKeyStatusList.setVisibility(View.VISIBLE); vKeyStatusDivider.setVisibility(View.VISIBLE); vExpander.setImageResource(R.drawable.ic_expand_less_black_24dp); vKeyStatusList.setCertifyStatus(certifyStatus); vKeyStatusList.setSignStatus(signStatus); vKeyStatusList.setDecryptStatus(encryptStatus); } } @Override public void hideExpandedInfo() { showExpandedState(null, null, null); } private void setKeyStatus(KeyHealthDisplayStatus keyHealthDisplayStatus) { vTitle.setText(keyHealthDisplayStatus.title); vSubtitle.setText(keyHealthDisplayStatus.subtitle); vIcon.setImageResource(keyHealthDisplayStatus.icon); vIcon.setColorFilter(ContextCompat.getColor(getContext(), keyHealthDisplayStatus.iconColor)); setVisibility(View.VISIBLE); } }