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/*
* Copyright (C) 2012 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.keyguard;
import android.content.Context;
import android.content.res.ColorStateList;
import android.util.AttributeSet;
import android.view.HapticFeedbackConstants;
import android.view.KeyEvent;
import android.view.View;
import com.android.internal.widget.LockPatternUtils;
import com.android.internal.widget.LockscreenCredential;
import com.android.systemui.R;
/**
* Base class for PIN and password unlock screens.
*/
public abstract class KeyguardAbsKeyInputView extends KeyguardInputView {
protected KeyguardSecurityCallback mCallback;
protected SecurityMessageDisplay mSecurityMessageDisplay;
protected View mEcaView;
protected boolean mEnableHaptics;
// To avoid accidental lockout due to events while the device in in the pocket, ignore
// any passwords with length less than or equal to this length.
protected static final int MINIMUM_PASSWORD_LENGTH_BEFORE_REPORT = 3;
private KeyDownListener mKeyDownListener;
public KeyguardAbsKeyInputView(Context context) {
this(context, null);
}
public KeyguardAbsKeyInputView(Context context, AttributeSet attrs) {
super(context, attrs);
}
void setEnableHaptics(boolean enableHaptics) {
mEnableHaptics = enableHaptics;
}
@Override
public void setKeyguardCallback(KeyguardSecurityCallback callback) {
mCallback = callback;
}
@Override
public void setLockPatternUtils(LockPatternUtils utils) {
}
@Override
public void reset() {
}
protected abstract int getPasswordTextViewId();
protected abstract void resetState();
@Override
protected void onFinishInflate() {
mEcaView = findViewById(R.id.keyguard_selector_fade_container);
}
/*
* Override this if you have a different string for "wrong password"
*
* Note that PIN/PUK have their own implementation of verifyPasswordAndUnlock and so don't need this
*/
protected int getWrongPasswordStringId() {
return R.string.kg_wrong_password;
}
protected abstract void resetPasswordText(boolean animate, boolean announce);
protected abstract LockscreenCredential getEnteredCredential();
protected abstract void setPasswordEntryEnabled(boolean enabled);
protected abstract void setPasswordEntryInputEnabled(boolean enabled);
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return mKeyDownListener != null && mKeyDownListener.onKeyDown(keyCode, event);
}
@Override
public boolean needsInput() {
return false;
}
@Override
public KeyguardSecurityCallback getCallback() {
return mCallback;
}
@Override
public void showPromptReason(int reason) {
}
@Override
public void showMessage(CharSequence message, ColorStateList colorState) {
if (colorState != null) {
mSecurityMessageDisplay.setNextMessageColor(colorState);
}
mSecurityMessageDisplay.setMessage(message);
}
protected abstract int getPromptReasonStringRes(int reason);
// Cause a VIRTUAL_KEY vibration
public void doHapticKeyClick() {
if (mEnableHaptics) {
performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING
| HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
}
}
@Override
public boolean startDisappearAnimation(Runnable finishRunnable) {
return false;
}
public void setKeyDownListener(KeyDownListener keyDownListener) {
mKeyDownListener = keyDownListener;
}
public interface KeyDownListener {
boolean onKeyDown(int keyCode, KeyEvent keyEvent);
}
}
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