/*
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* Copyright (C) 2012 The Android Open Source Project
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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.android.keyguard;
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import android.content.res.ColorStateList;
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import android.view.MotionEvent;
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import com.android.internal.widget.LockPatternUtils;
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public interface KeyguardSecurityView {
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static public final int SCREEN_ON = 1;
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static public final int VIEW_REVEALED = 2;
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int PROMPT_REASON_NONE = 0;
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/**
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* Strong auth is required because the device has just booted.
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*/
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int PROMPT_REASON_RESTART = 1;
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/**
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* Strong auth is required because the user hasn't used strong auth since a while.
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*/
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int PROMPT_REASON_TIMEOUT = 2;
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/**
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* Strong auth is required because a device admin requested it.
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*/
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int PROMPT_REASON_DEVICE_ADMIN = 3;
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/**
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* Some auth is required because the user force locked.
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*/
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int PROMPT_REASON_USER_REQUEST = 4;
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/**
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* Some auth is required because too many wrong credentials led to a lockout.
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*/
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int PROMPT_REASON_AFTER_LOCKOUT = 5;
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/**
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* Interface back to keyguard to tell it when security
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* @param callback
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*/
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void setKeyguardCallback(KeyguardSecurityCallback callback);
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/**
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* Set {@link LockPatternUtils} object. Useful for providing a mock interface.
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* @param utils
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*/
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void setLockPatternUtils(LockPatternUtils utils);
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/**
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* Reset the view and prepare to take input. This should do things like clearing the
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* password or pattern and clear error messages.
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*/
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void reset();
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/**
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* Emulate activity life cycle within the view. When called, the view should clean up
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* and prepare to be removed.
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*/
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void onPause();
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/**
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* Emulate activity life cycle within this view. When called, the view should prepare itself
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* to be shown.
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* @param reason the root cause of the event.
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*/
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void onResume(int reason);
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/**
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* Inquire whether this view requires IME (keyboard) interaction.
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*
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* @return true if IME interaction is required.
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*/
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boolean needsInput();
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/**
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* Get {@link KeyguardSecurityCallback} for the given object
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* @return KeyguardSecurityCallback
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*/
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KeyguardSecurityCallback getCallback();
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/**
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* Show a string explaining why the security view needs to be solved.
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*
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* @param reason a flag indicating which string should be shown, see {@link #PROMPT_REASON_NONE}
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* and {@link #PROMPT_REASON_RESTART}
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*/
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void showPromptReason(int reason);
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/**
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* Show a message on the security view with a specified color
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*
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* @param message the message to show
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* @param colorState the color to use
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*/
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void showMessage(CharSequence message, ColorStateList colorState);
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/**
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* Instruct the view to show usability hints, if any.
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*
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*/
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void showUsabilityHint();
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/**
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* Starts the animation which should run when the security view appears.
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*/
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void startAppearAnimation();
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/**
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* Starts the animation which should run when the security view disappears.
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*
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* @param finishRunnable the runnable to be run when the animation ended
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* @return true if an animation started and {@code finishRunnable} will be run, false if no
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* animation started and {@code finishRunnable} will not be run
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*/
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boolean startDisappearAnimation(Runnable finishRunnable);
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/**
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* The localized name of the security view, provided to accessibility. This may be the content
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* description, but content descriptions have other implications, so the title is kept separate.
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*
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* @return The View's title.
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*/
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CharSequence getTitle();
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/**
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* If the parent should not be allowed to intercept touch events.
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* @param event A touch event.
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* @return {@code true} if touch should be passed forward.
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* @see android.view.ViewGroup#requestDisallowInterceptTouchEvent(boolean)
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*/
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default boolean disallowInterceptTouch(MotionEvent event) {
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return false;
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}
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}
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