| /* |
| * Copyright (C) 2014 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 static android.app.admin.DevicePolicyResources.Strings.SystemUi.KEYGUARD_DIALOG_FAILED_ATTEMPTS_ALMOST_ERASING_PROFILE; |
| import static android.app.admin.DevicePolicyResources.Strings.SystemUi.KEYGUARD_DIALOG_FAILED_ATTEMPTS_ERASING_PROFILE; |
| import static android.view.WindowInsets.Type.ime; |
| import static android.view.WindowInsets.Type.systemBars; |
| import static android.view.WindowInsetsAnimation.Callback.DISPATCH_MODE_STOP; |
| |
| import static com.android.systemui.plugins.FalsingManager.LOW_PENALTY; |
| import static com.android.systemui.statusbar.policy.UserSwitcherController.USER_SWITCH_DISABLED_ALPHA; |
| import static com.android.systemui.statusbar.policy.UserSwitcherController.USER_SWITCH_ENABLED_ALPHA; |
| |
| import static java.lang.Integer.max; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.BlendMode; |
| import android.graphics.Rect; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.LayerDrawable; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.MathUtils; |
| import android.util.TypedValue; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.MotionEvent; |
| import android.view.VelocityTracker; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.ViewGroup; |
| import android.view.WindowInsets; |
| import android.view.WindowInsetsAnimation; |
| import android.view.WindowManager; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| import android.widget.AdapterView; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import androidx.annotation.IntDef; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.dynamicanimation.animation.DynamicAnimation; |
| import androidx.dynamicanimation.animation.SpringAnimation; |
| |
| import com.android.internal.jank.InteractionJankMonitor; |
| import com.android.internal.logging.UiEvent; |
| import com.android.internal.logging.UiEventLogger; |
| import com.android.internal.util.UserIcons; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.keyguard.KeyguardSecurityModel.SecurityMode; |
| import com.android.settingslib.Utils; |
| import com.android.systemui.Gefingerpoken; |
| import com.android.systemui.R; |
| import com.android.systemui.animation.Interpolators; |
| import com.android.systemui.plugins.FalsingManager; |
| import com.android.systemui.shared.system.SysUiStatsLog; |
| import com.android.systemui.statusbar.policy.UserSwitcherController; |
| import com.android.systemui.statusbar.policy.UserSwitcherController.BaseUserAdapter; |
| import com.android.systemui.statusbar.policy.UserSwitcherController.UserRecord; |
| import com.android.systemui.util.settings.GlobalSettings; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class KeyguardSecurityContainer extends FrameLayout { |
| static final int USER_TYPE_PRIMARY = 1; |
| static final int USER_TYPE_WORK_PROFILE = 2; |
| static final int USER_TYPE_SECONDARY_USER = 3; |
| |
| @IntDef({MODE_DEFAULT, MODE_ONE_HANDED, MODE_USER_SWITCHER}) |
| public @interface Mode {} |
| static final int MODE_DEFAULT = 0; |
| static final int MODE_ONE_HANDED = 1; |
| static final int MODE_USER_SWITCHER = 2; |
| |
| // Bouncer is dismissed due to no security. |
| static final int BOUNCER_DISMISS_NONE_SECURITY = 0; |
| // Bouncer is dismissed due to pin, password or pattern entered. |
| static final int BOUNCER_DISMISS_PASSWORD = 1; |
| // Bouncer is dismissed due to biometric (face, fingerprint or iris) authenticated. |
| static final int BOUNCER_DISMISS_BIOMETRIC = 2; |
| // Bouncer is dismissed due to extended access granted. |
| static final int BOUNCER_DISMISS_EXTENDED_ACCESS = 3; |
| // Bouncer is dismissed due to sim card unlock code entered. |
| static final int BOUNCER_DISMISS_SIM = 4; |
| |
| private static final String TAG = "KeyguardSecurityView"; |
| |
| // Make the view move slower than the finger, as if the spring were applying force. |
| private static final float TOUCH_Y_MULTIPLIER = 0.25f; |
| // How much you need to drag the bouncer to trigger an auth retry (in dps.) |
| private static final float MIN_DRAG_SIZE = 10; |
| // How much to scale the default slop by, to avoid accidental drags. |
| private static final float SLOP_SCALE = 4f; |
| |
| private static final long IME_DISAPPEAR_DURATION_MS = 125; |
| |
| // The duration of the animation to switch bouncer sides. |
| private static final long BOUNCER_HANDEDNESS_ANIMATION_DURATION_MS = 500; |
| |
| // How much of the switch sides animation should be dedicated to fading the bouncer out. The |
| // remainder will fade it back in again. |
| private static final float BOUNCER_HANDEDNESS_ANIMATION_FADE_OUT_PROPORTION = 0.2f; |
| |
| @VisibleForTesting |
| KeyguardSecurityViewFlipper mSecurityViewFlipper; |
| private GlobalSettings mGlobalSettings; |
| private FalsingManager mFalsingManager; |
| private UserSwitcherController mUserSwitcherController; |
| private AlertDialog mAlertDialog; |
| private boolean mSwipeUpToRetry; |
| |
| private final ViewConfiguration mViewConfiguration; |
| private final SpringAnimation mSpringAnimation; |
| private final VelocityTracker mVelocityTracker = VelocityTracker.obtain(); |
| private final List<Gefingerpoken> mMotionEventListeners = new ArrayList<>(); |
| |
| private float mLastTouchY = -1; |
| private int mActivePointerId = -1; |
| private boolean mIsDragging; |
| private float mStartTouchY = -1; |
| private boolean mDisappearAnimRunning; |
| private SwipeListener mSwipeListener; |
| private ViewMode mViewMode = new DefaultViewMode(); |
| private @Mode int mCurrentMode = MODE_DEFAULT; |
| private int mWidth = -1; |
| |
| private final WindowInsetsAnimation.Callback mWindowInsetsAnimationCallback = |
| new WindowInsetsAnimation.Callback(DISPATCH_MODE_STOP) { |
| |
| private final Rect mInitialBounds = new Rect(); |
| private final Rect mFinalBounds = new Rect(); |
| |
| @Override |
| public void onPrepare(WindowInsetsAnimation animation) { |
| mSecurityViewFlipper.getBoundsOnScreen(mInitialBounds); |
| } |
| |
| @Override |
| public WindowInsetsAnimation.Bounds onStart(WindowInsetsAnimation animation, |
| WindowInsetsAnimation.Bounds bounds) { |
| if (!mDisappearAnimRunning) { |
| beginJankInstrument(InteractionJankMonitor.CUJ_LOCKSCREEN_PASSWORD_APPEAR); |
| } else { |
| beginJankInstrument( |
| InteractionJankMonitor.CUJ_LOCKSCREEN_PASSWORD_DISAPPEAR); |
| } |
| mSecurityViewFlipper.getBoundsOnScreen(mFinalBounds); |
| return bounds; |
| } |
| |
| @Override |
| public WindowInsets onProgress(WindowInsets windowInsets, |
| List<WindowInsetsAnimation> list) { |
| float start = mDisappearAnimRunning |
| ? -(mFinalBounds.bottom - mInitialBounds.bottom) |
| : mInitialBounds.bottom - mFinalBounds.bottom; |
| float end = mDisappearAnimRunning |
| ? -((mFinalBounds.bottom - mInitialBounds.bottom) * 0.75f) |
| : 0f; |
| int translationY = 0; |
| float interpolatedFraction = 1f; |
| for (WindowInsetsAnimation animation : list) { |
| if ((animation.getTypeMask() & WindowInsets.Type.ime()) == 0) { |
| continue; |
| } |
| interpolatedFraction = animation.getInterpolatedFraction(); |
| |
| final int paddingBottom = (int) MathUtils.lerp( |
| start, end, |
| interpolatedFraction); |
| translationY += paddingBottom; |
| } |
| |
| float alpha = mDisappearAnimRunning |
| ? 1 - interpolatedFraction |
| : Math.max(interpolatedFraction, getAlpha()); |
| updateChildren(translationY, alpha); |
| |
| return windowInsets; |
| } |
| |
| @Override |
| public void onEnd(WindowInsetsAnimation animation) { |
| if (!mDisappearAnimRunning) { |
| endJankInstrument(InteractionJankMonitor.CUJ_LOCKSCREEN_PASSWORD_APPEAR); |
| updateChildren(0 /* translationY */, 1f /* alpha */); |
| } else { |
| endJankInstrument(InteractionJankMonitor.CUJ_LOCKSCREEN_PASSWORD_DISAPPEAR); |
| } |
| } |
| |
| private void updateChildren(int translationY, float alpha) { |
| for (int i = 0; i < KeyguardSecurityContainer.this.getChildCount(); ++i) { |
| View child = KeyguardSecurityContainer.this.getChildAt(i); |
| child.setTranslationY(translationY); |
| child.setAlpha(alpha); |
| } |
| } |
| }; |
| |
| // Used to notify the container when something interesting happens. |
| public interface SecurityCallback { |
| /** |
| * Potentially dismiss the current security screen, after validating that all device |
| * security has been unlocked. Otherwise show the next screen. |
| */ |
| boolean dismiss(boolean authenticated, int targetUserId, boolean bypassSecondaryLockScreen, |
| SecurityMode expectedSecurityMode); |
| |
| void userActivity(); |
| |
| void onSecurityModeChanged(SecurityMode securityMode, boolean needsInput); |
| |
| /** |
| * @param strongAuth wheher the user has authenticated with strong authentication like |
| * pattern, password or PIN but not by trust agents or fingerprint |
| * @param targetUserId a user that needs to be the foreground user at the finish completion. |
| */ |
| void finish(boolean strongAuth, int targetUserId); |
| |
| void reset(); |
| |
| void onCancelClicked(); |
| } |
| |
| public interface SwipeListener { |
| void onSwipeUp(); |
| } |
| |
| @VisibleForTesting |
| public enum BouncerUiEvent implements UiEventLogger.UiEventEnum { |
| @UiEvent(doc = "Default UiEvent used for variable initialization.") |
| UNKNOWN(0), |
| |
| @UiEvent(doc = "Bouncer is dismissed using extended security access.") |
| BOUNCER_DISMISS_EXTENDED_ACCESS(413), |
| |
| @UiEvent(doc = "Bouncer is dismissed using biometric.") |
| BOUNCER_DISMISS_BIOMETRIC(414), |
| |
| @UiEvent(doc = "Bouncer is dismissed without security access.") |
| BOUNCER_DISMISS_NONE_SECURITY(415), |
| |
| @UiEvent(doc = "Bouncer is dismissed using password security.") |
| BOUNCER_DISMISS_PASSWORD(416), |
| |
| @UiEvent(doc = "Bouncer is dismissed using sim security access.") |
| BOUNCER_DISMISS_SIM(417), |
| |
| @UiEvent(doc = "Bouncer is successfully unlocked using password.") |
| BOUNCER_PASSWORD_SUCCESS(418), |
| |
| @UiEvent(doc = "An attempt to unlock bouncer using password has failed.") |
| BOUNCER_PASSWORD_FAILURE(419); |
| |
| private final int mId; |
| |
| BouncerUiEvent(int id) { |
| mId = id; |
| } |
| |
| @Override |
| public int getId() { |
| return mId; |
| } |
| } |
| |
| public KeyguardSecurityContainer(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public KeyguardSecurityContainer(Context context) { |
| this(context, null, 0); |
| } |
| |
| public KeyguardSecurityContainer(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mSpringAnimation = new SpringAnimation(this, DynamicAnimation.Y); |
| mViewConfiguration = ViewConfiguration.get(context); |
| } |
| |
| void onResume(SecurityMode securityMode, boolean faceAuthEnabled) { |
| mSecurityViewFlipper.setWindowInsetsAnimationCallback(mWindowInsetsAnimationCallback); |
| updateBiometricRetry(securityMode, faceAuthEnabled); |
| } |
| |
| void initMode(@Mode int mode, GlobalSettings globalSettings, FalsingManager falsingManager, |
| UserSwitcherController userSwitcherController) { |
| if (mCurrentMode == mode) return; |
| Log.i(TAG, "Switching mode from " + modeToString(mCurrentMode) + " to " |
| + modeToString(mode)); |
| mCurrentMode = mode; |
| mViewMode.onDestroy(); |
| |
| switch (mode) { |
| case MODE_ONE_HANDED: |
| mViewMode = new OneHandedViewMode(); |
| break; |
| case MODE_USER_SWITCHER: |
| mViewMode = new UserSwitcherViewMode(); |
| break; |
| default: |
| mViewMode = new DefaultViewMode(); |
| } |
| mGlobalSettings = globalSettings; |
| mFalsingManager = falsingManager; |
| mUserSwitcherController = userSwitcherController; |
| setupViewMode(); |
| } |
| |
| private String modeToString(@Mode int mode) { |
| switch (mode) { |
| case MODE_DEFAULT: |
| return "Default"; |
| case MODE_ONE_HANDED: |
| return "OneHanded"; |
| case MODE_USER_SWITCHER: |
| return "UserSwitcher"; |
| default: |
| throw new IllegalArgumentException("mode: " + mode + " not supported"); |
| } |
| } |
| |
| private void setupViewMode() { |
| if (mSecurityViewFlipper == null || mGlobalSettings == null |
| || mFalsingManager == null || mUserSwitcherController == null) { |
| return; |
| } |
| |
| mViewMode.init(this, mGlobalSettings, mSecurityViewFlipper, mFalsingManager, |
| mUserSwitcherController); |
| } |
| |
| @Mode int getMode() { |
| return mCurrentMode; |
| } |
| |
| /** |
| * The position of the container can be adjusted based upon a touch at location x. This has |
| * been used in one-handed mode to make sure the bouncer appears on the side of the display |
| * that the user last interacted with. |
| */ |
| void updatePositionByTouchX(float x) { |
| mViewMode.updatePositionByTouchX(x); |
| } |
| |
| /** Returns whether the inner SecurityViewFlipper is left-aligned when in one-handed mode. */ |
| public boolean isOneHandedModeLeftAligned() { |
| return mCurrentMode == MODE_ONE_HANDED |
| && ((OneHandedViewMode) mViewMode).isLeftAligned(); |
| } |
| |
| public void onPause() { |
| if (mAlertDialog != null) { |
| mAlertDialog.dismiss(); |
| mAlertDialog = null; |
| } |
| mSecurityViewFlipper.setWindowInsetsAnimationCallback(null); |
| mViewMode.reset(); |
| } |
| |
| @Override |
| public boolean shouldDelayChildPressedState() { |
| return true; |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent event) { |
| boolean result = mMotionEventListeners.stream().anyMatch( |
| listener -> listener.onInterceptTouchEvent(event)) |
| || super.onInterceptTouchEvent(event); |
| |
| switch (event.getActionMasked()) { |
| case MotionEvent.ACTION_DOWN: |
| int pointerIndex = event.getActionIndex(); |
| mStartTouchY = event.getY(pointerIndex); |
| mActivePointerId = event.getPointerId(pointerIndex); |
| mVelocityTracker.clear(); |
| break; |
| case MotionEvent.ACTION_MOVE: |
| if (mIsDragging) { |
| return true; |
| } |
| if (!mSwipeUpToRetry) { |
| return false; |
| } |
| // Avoid dragging the pattern view |
| if (mSecurityViewFlipper.getSecurityView().disallowInterceptTouch(event)) { |
| return false; |
| } |
| int index = event.findPointerIndex(mActivePointerId); |
| float touchSlop = mViewConfiguration.getScaledTouchSlop() * SLOP_SCALE; |
| if (index != -1 && mStartTouchY - event.getY(index) > touchSlop) { |
| mIsDragging = true; |
| return true; |
| } |
| break; |
| case MotionEvent.ACTION_CANCEL: |
| case MotionEvent.ACTION_UP: |
| mIsDragging = false; |
| break; |
| } |
| return result; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| final int action = event.getActionMasked(); |
| |
| boolean result = mMotionEventListeners.stream() |
| .anyMatch(listener -> listener.onTouchEvent(event)) |
| || super.onTouchEvent(event); |
| |
| switch (action) { |
| case MotionEvent.ACTION_MOVE: |
| mVelocityTracker.addMovement(event); |
| int pointerIndex = event.findPointerIndex(mActivePointerId); |
| float y = event.getY(pointerIndex); |
| if (mLastTouchY != -1) { |
| float dy = y - mLastTouchY; |
| setTranslationY(getTranslationY() + dy * TOUCH_Y_MULTIPLIER); |
| } |
| mLastTouchY = y; |
| break; |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| mActivePointerId = -1; |
| mLastTouchY = -1; |
| mIsDragging = false; |
| startSpringAnimation(mVelocityTracker.getYVelocity()); |
| break; |
| case MotionEvent.ACTION_POINTER_UP: |
| int index = event.getActionIndex(); |
| int pointerId = event.getPointerId(index); |
| if (pointerId == mActivePointerId) { |
| // This was our active pointer going up. Choose a new |
| // active pointer and adjust accordingly. |
| final int newPointerIndex = index == 0 ? 1 : 0; |
| mLastTouchY = event.getY(newPointerIndex); |
| mActivePointerId = event.getPointerId(newPointerIndex); |
| } |
| break; |
| } |
| if (action == MotionEvent.ACTION_UP) { |
| if (-getTranslationY() > TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, |
| MIN_DRAG_SIZE, getResources().getDisplayMetrics())) { |
| if (mSwipeListener != null) { |
| mSwipeListener.onSwipeUp(); |
| } |
| } else { |
| if (!mIsDragging) { |
| mViewMode.handleTap(event); |
| } |
| } |
| } |
| return true; |
| } |
| |
| void addMotionEventListener(Gefingerpoken listener) { |
| mMotionEventListeners.add(listener); |
| } |
| |
| void removeMotionEventListener(Gefingerpoken listener) { |
| mMotionEventListeners.remove(listener); |
| } |
| |
| void setSwipeListener(SwipeListener swipeListener) { |
| mSwipeListener = swipeListener; |
| } |
| |
| private void startSpringAnimation(float startVelocity) { |
| mSpringAnimation |
| .setStartVelocity(startVelocity) |
| .animateToFinalPosition(0); |
| } |
| |
| /** |
| * Runs after a succsssful authentication only |
| */ |
| public void startDisappearAnimation(SecurityMode securitySelection) { |
| mDisappearAnimRunning = true; |
| mViewMode.startDisappearAnimation(securitySelection); |
| } |
| |
| /** |
| * This will run when the bouncer shows in all cases except when the user drags the bouncer up. |
| */ |
| public void startAppearAnimation(SecurityMode securityMode) { |
| mViewMode.startAppearAnimation(securityMode); |
| } |
| |
| private void beginJankInstrument(int cuj) { |
| KeyguardInputView securityView = mSecurityViewFlipper.getSecurityView(); |
| if (securityView == null) return; |
| InteractionJankMonitor.getInstance().begin(securityView, cuj); |
| } |
| |
| private void endJankInstrument(int cuj) { |
| InteractionJankMonitor.getInstance().end(cuj); |
| } |
| |
| private void cancelJankInstrument(int cuj) { |
| InteractionJankMonitor.getInstance().cancel(cuj); |
| } |
| |
| /** |
| * Enables/disables swipe up to retry on the bouncer. |
| */ |
| private void updateBiometricRetry(SecurityMode securityMode, boolean faceAuthEnabled) { |
| mSwipeUpToRetry = faceAuthEnabled |
| && securityMode != SecurityMode.SimPin |
| && securityMode != SecurityMode.SimPuk |
| && securityMode != SecurityMode.None; |
| } |
| |
| public CharSequence getTitle() { |
| return mSecurityViewFlipper.getTitle(); |
| } |
| |
| |
| @Override |
| public void onFinishInflate() { |
| super.onFinishInflate(); |
| mSecurityViewFlipper = findViewById(R.id.view_flipper); |
| } |
| |
| @Override |
| public WindowInsets onApplyWindowInsets(WindowInsets insets) { |
| |
| // Consume bottom insets because we're setting the padding locally (for IME and navbar.) |
| int bottomInset = insets.getInsetsIgnoringVisibility(systemBars()).bottom; |
| int imeInset = insets.getInsets(ime()).bottom; |
| int inset = max(bottomInset, imeInset); |
| int paddingBottom = max(inset, getContext().getResources() |
| .getDimensionPixelSize(R.dimen.keyguard_security_view_bottom_margin)); |
| setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), paddingBottom); |
| return insets.inset(0, 0, 0, inset); |
| } |
| |
| private void showDialog(String title, String message) { |
| if (mAlertDialog != null) { |
| mAlertDialog.dismiss(); |
| } |
| |
| mAlertDialog = new AlertDialog.Builder(mContext) |
| .setTitle(title) |
| .setMessage(message) |
| .setCancelable(false) |
| .setNeutralButton(R.string.ok, null) |
| .create(); |
| if (!(mContext instanceof Activity)) { |
| mAlertDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } |
| mAlertDialog.show(); |
| } |
| |
| void showTimeoutDialog(int userId, int timeoutMs, LockPatternUtils lockPatternUtils, |
| SecurityMode securityMode) { |
| int timeoutInSeconds = timeoutMs / 1000; |
| int messageId = 0; |
| |
| switch (securityMode) { |
| case Pattern: |
| messageId = R.string.kg_too_many_failed_pattern_attempts_dialog_message; |
| break; |
| case PIN: |
| messageId = R.string.kg_too_many_failed_pin_attempts_dialog_message; |
| break; |
| case Password: |
| messageId = R.string.kg_too_many_failed_password_attempts_dialog_message; |
| break; |
| // These don't have timeout dialogs. |
| case Invalid: |
| case None: |
| case SimPin: |
| case SimPuk: |
| break; |
| } |
| |
| if (messageId != 0) { |
| final String message = mContext.getString(messageId, |
| lockPatternUtils.getCurrentFailedPasswordAttempts(userId), |
| timeoutInSeconds); |
| showDialog(null, message); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int maxHeight = 0; |
| int maxWidth = 0; |
| int childState = 0; |
| |
| for (int i = 0; i < getChildCount(); i++) { |
| final View view = getChildAt(i); |
| if (view.getVisibility() != GONE) { |
| int updatedWidthMeasureSpec = mViewMode.getChildWidthMeasureSpec(widthMeasureSpec); |
| final LayoutParams lp = (LayoutParams) view.getLayoutParams(); |
| |
| // When using EXACTLY spec, measure will use the layout width if > 0. Set before |
| // measuring the child |
| lp.width = MeasureSpec.getSize(updatedWidthMeasureSpec); |
| measureChildWithMargins(view, updatedWidthMeasureSpec, 0, heightMeasureSpec, 0); |
| |
| maxWidth = Math.max(maxWidth, |
| view.getMeasuredWidth() + lp.leftMargin + lp.rightMargin); |
| maxHeight = Math.max(maxHeight, |
| view.getMeasuredHeight() + lp.topMargin + lp.bottomMargin); |
| childState = combineMeasuredStates(childState, view.getMeasuredState()); |
| } |
| } |
| |
| maxWidth += getPaddingLeft() + getPaddingRight(); |
| maxHeight += getPaddingTop() + getPaddingBottom(); |
| |
| // Check against our minimum height and width |
| maxHeight = Math.max(maxHeight, getSuggestedMinimumHeight()); |
| maxWidth = Math.max(maxWidth, getSuggestedMinimumWidth()); |
| |
| setMeasuredDimension(resolveSizeAndState(maxWidth, widthMeasureSpec, childState), |
| resolveSizeAndState(maxHeight, heightMeasureSpec, |
| childState << MEASURED_HEIGHT_STATE_SHIFT)); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| |
| int width = right - left; |
| if (changed && mWidth != width) { |
| mWidth = width; |
| mViewMode.updateSecurityViewLocation(); |
| } |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration config) { |
| super.onConfigurationChanged(config); |
| mViewMode.updateSecurityViewLocation(); |
| } |
| |
| void showAlmostAtWipeDialog(int attempts, int remaining, int userType) { |
| String message = null; |
| switch (userType) { |
| case USER_TYPE_PRIMARY: |
| message = mContext.getString(R.string.kg_failed_attempts_almost_at_wipe, |
| attempts, remaining); |
| break; |
| case USER_TYPE_SECONDARY_USER: |
| message = mContext.getString(R.string.kg_failed_attempts_almost_at_erase_user, |
| attempts, remaining); |
| break; |
| case USER_TYPE_WORK_PROFILE: |
| message = mContext.getSystemService(DevicePolicyManager.class).getResources() |
| .getString(KEYGUARD_DIALOG_FAILED_ATTEMPTS_ALMOST_ERASING_PROFILE, |
| () -> mContext.getString( |
| R.string.kg_failed_attempts_almost_at_erase_profile, |
| attempts, remaining), |
| attempts, remaining); |
| break; |
| } |
| showDialog(null, message); |
| } |
| |
| void showWipeDialog(int attempts, int userType) { |
| String message = null; |
| switch (userType) { |
| case USER_TYPE_PRIMARY: |
| message = mContext.getString(R.string.kg_failed_attempts_now_wiping, |
| attempts); |
| break; |
| case USER_TYPE_SECONDARY_USER: |
| message = mContext.getString(R.string.kg_failed_attempts_now_erasing_user, |
| attempts); |
| break; |
| case USER_TYPE_WORK_PROFILE: |
| message = mContext.getSystemService(DevicePolicyManager.class).getResources() |
| .getString(KEYGUARD_DIALOG_FAILED_ATTEMPTS_ERASING_PROFILE, |
| () -> mContext.getString( |
| R.string.kg_failed_attempts_now_erasing_profile, attempts), |
| attempts); |
| break; |
| } |
| showDialog(null, message); |
| } |
| |
| public void reset() { |
| mViewMode.reset(); |
| mDisappearAnimRunning = false; |
| } |
| |
| void reloadColors() { |
| mViewMode.reloadColors(); |
| } |
| |
| /** |
| * Enscapsulates the differences between bouncer modes for the container. |
| */ |
| interface ViewMode { |
| default void init(@NonNull ViewGroup v, @NonNull GlobalSettings globalSettings, |
| @NonNull KeyguardSecurityViewFlipper viewFlipper, |
| @NonNull FalsingManager falsingManager, |
| @NonNull UserSwitcherController userSwitcherController) {}; |
| |
| /** Reinitialize the location */ |
| default void updateSecurityViewLocation() {}; |
| |
| /** Alter the ViewFlipper position, based upon a touch outside of it */ |
| default void updatePositionByTouchX(float x) {}; |
| |
| /** A tap on the container, outside of the ViewFlipper */ |
| default void handleTap(MotionEvent event) {}; |
| |
| /** Called when the view needs to reset or hides */ |
| default void reset() {}; |
| |
| /** Refresh colors */ |
| default void reloadColors() {}; |
| |
| /** On a successful auth, optionally handle how the view disappears */ |
| default void startDisappearAnimation(SecurityMode securityMode) {}; |
| |
| /** On notif tap, this animation will run */ |
| default void startAppearAnimation(SecurityMode securityMode) {}; |
| |
| /** Override to alter the width measure spec to perhaps limit the ViewFlipper size */ |
| default int getChildWidthMeasureSpec(int parentWidthMeasureSpec) { |
| return parentWidthMeasureSpec; |
| } |
| |
| /** Called when we are setting a new ViewMode */ |
| default void onDestroy() {}; |
| } |
| |
| /** |
| * Default bouncer is centered within the space |
| */ |
| static class DefaultViewMode implements ViewMode { |
| private ViewGroup mView; |
| private KeyguardSecurityViewFlipper mViewFlipper; |
| |
| @Override |
| public void init(@NonNull ViewGroup v, @NonNull GlobalSettings globalSettings, |
| @NonNull KeyguardSecurityViewFlipper viewFlipper, |
| @NonNull FalsingManager falsingManager, |
| @NonNull UserSwitcherController userSwitcherController) { |
| mView = v; |
| mViewFlipper = viewFlipper; |
| |
| // Reset ViewGroup to default positions |
| updateSecurityViewGroup(); |
| } |
| |
| private void updateSecurityViewGroup() { |
| FrameLayout.LayoutParams lp = |
| (FrameLayout.LayoutParams) mViewFlipper.getLayoutParams(); |
| lp.gravity = Gravity.CENTER_HORIZONTAL; |
| mViewFlipper.setLayoutParams(lp); |
| mViewFlipper.setTranslationX(0); |
| } |
| } |
| |
| /** |
| * User switcher mode will display both the current user icon as well as |
| * a user switcher, in both portrait and landscape modes. |
| */ |
| static class UserSwitcherViewMode implements ViewMode { |
| private ViewGroup mView; |
| private ViewGroup mUserSwitcherViewGroup; |
| private KeyguardSecurityViewFlipper mViewFlipper; |
| private TextView mUserSwitcher; |
| private FalsingManager mFalsingManager; |
| private UserSwitcherController mUserSwitcherController; |
| private KeyguardUserSwitcherPopupMenu mPopup; |
| private Resources mResources; |
| private UserSwitcherController.UserSwitchCallback mUserSwitchCallback = |
| this::setupUserSwitcher; |
| |
| @Override |
| public void init(@NonNull ViewGroup v, @NonNull GlobalSettings globalSettings, |
| @NonNull KeyguardSecurityViewFlipper viewFlipper, |
| @NonNull FalsingManager falsingManager, |
| @NonNull UserSwitcherController userSwitcherController) { |
| mView = v; |
| mViewFlipper = viewFlipper; |
| mFalsingManager = falsingManager; |
| mUserSwitcherController = userSwitcherController; |
| mResources = v.getContext().getResources(); |
| |
| if (mUserSwitcherViewGroup == null) { |
| LayoutInflater.from(v.getContext()).inflate( |
| R.layout.keyguard_bouncer_user_switcher, |
| mView, |
| true); |
| mUserSwitcherViewGroup = mView.findViewById(R.id.keyguard_bouncer_user_switcher); |
| } |
| |
| updateSecurityViewLocation(); |
| |
| mUserSwitcher = mView.findViewById(R.id.user_switcher_header); |
| setupUserSwitcher(); |
| mUserSwitcherController.addUserSwitchCallback(mUserSwitchCallback); |
| } |
| |
| @Override |
| public void reset() { |
| if (mPopup != null) { |
| mPopup.dismiss(); |
| mPopup = null; |
| } |
| } |
| |
| @Override |
| public void reloadColors() { |
| TextView header = (TextView) mView.findViewById(R.id.user_switcher_header); |
| if (header != null) { |
| header.setTextColor(Utils.getColorAttrDefaultColor(mView.getContext(), |
| android.R.attr.textColorPrimary)); |
| header.setBackground(mView.getContext().getDrawable( |
| R.drawable.bouncer_user_switcher_header_bg)); |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| mUserSwitcherController.removeUserSwitchCallback(mUserSwitchCallback); |
| } |
| |
| private Drawable findUserIcon(int userId) { |
| Bitmap userIcon = UserManager.get(mView.getContext()).getUserIcon(userId); |
| if (userIcon != null) { |
| return new BitmapDrawable(userIcon); |
| } |
| return UserIcons.getDefaultUserIcon(mResources, userId, false); |
| } |
| |
| @Override |
| public void startAppearAnimation(SecurityMode securityMode) { |
| // IME insets animations handle alpha and translation |
| if (securityMode == SecurityMode.Password) { |
| return; |
| } |
| |
| mUserSwitcherViewGroup.setAlpha(0f); |
| ObjectAnimator alphaAnim = ObjectAnimator.ofFloat(mUserSwitcherViewGroup, View.ALPHA, |
| 1f); |
| alphaAnim.setInterpolator(Interpolators.ALPHA_IN); |
| alphaAnim.setDuration(500); |
| alphaAnim.start(); |
| } |
| |
| @Override |
| public void startDisappearAnimation(SecurityMode securityMode) { |
| // IME insets animations handle alpha and translation |
| if (securityMode == SecurityMode.Password) { |
| return; |
| } |
| |
| int yTranslation = mResources.getDimensionPixelSize(R.dimen.disappear_y_translation); |
| |
| AnimatorSet anims = new AnimatorSet(); |
| ObjectAnimator yAnim = ObjectAnimator.ofFloat(mView, View.TRANSLATION_Y, yTranslation); |
| ObjectAnimator alphaAnim = ObjectAnimator.ofFloat(mView, View.ALPHA, 0f); |
| |
| anims.setInterpolator(Interpolators.STANDARD_ACCELERATE); |
| anims.playTogether(alphaAnim, yAnim); |
| anims.start(); |
| } |
| |
| private void setupUserSwitcher() { |
| final UserRecord currentUser = mUserSwitcherController.getCurrentUserRecord(); |
| if (currentUser == null) { |
| Log.e(TAG, "Current user in user switcher is null."); |
| return; |
| } |
| Drawable userIcon = findUserIcon(currentUser.info.id); |
| ((ImageView) mView.findViewById(R.id.user_icon)).setImageDrawable(userIcon); |
| mUserSwitcher.setText(mUserSwitcherController.getCurrentUserName()); |
| |
| ViewGroup anchor = mView.findViewById(R.id.user_switcher_anchor); |
| BaseUserAdapter adapter = new BaseUserAdapter(mUserSwitcherController) { |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| UserRecord item = getItem(position); |
| FrameLayout view = (FrameLayout) convertView; |
| if (view == null) { |
| view = (FrameLayout) LayoutInflater.from(parent.getContext()).inflate( |
| R.layout.keyguard_bouncer_user_switcher_item, |
| parent, |
| false); |
| } |
| TextView textView = (TextView) view.getChildAt(0); |
| textView.setText(getName(parent.getContext(), item)); |
| Drawable icon = null; |
| if (item.picture != null) { |
| icon = new BitmapDrawable(item.picture); |
| } else { |
| icon = getDrawable(item, view.getContext()); |
| } |
| int iconSize = view.getResources().getDimensionPixelSize( |
| R.dimen.bouncer_user_switcher_item_icon_size); |
| int iconPadding = view.getResources().getDimensionPixelSize( |
| R.dimen.bouncer_user_switcher_item_icon_padding); |
| icon.setBounds(0, 0, iconSize, iconSize); |
| textView.setCompoundDrawablePadding(iconPadding); |
| textView.setCompoundDrawablesRelative(icon, null, null, null); |
| |
| if (item == currentUser) { |
| textView.setBackground(view.getContext().getDrawable( |
| R.drawable.bouncer_user_switcher_item_selected_bg)); |
| } else { |
| textView.setBackground(null); |
| } |
| textView.setSelected(item == currentUser); |
| view.setEnabled(item.isSwitchToEnabled); |
| view.setAlpha(view.isEnabled() ? USER_SWITCH_ENABLED_ALPHA : |
| USER_SWITCH_DISABLED_ALPHA); |
| return view; |
| } |
| |
| private Drawable getDrawable(UserRecord item, Context context) { |
| Drawable drawable; |
| if (item.isCurrent && item.isGuest) { |
| drawable = context.getDrawable(R.drawable.ic_avatar_guest_user); |
| } else { |
| drawable = getIconDrawable(context, item); |
| } |
| |
| int iconColor; |
| if (item.isSwitchToEnabled) { |
| iconColor = Utils.getColorAttrDefaultColor(context, |
| com.android.internal.R.attr.colorAccentPrimaryVariant); |
| } else { |
| iconColor = context.getResources().getColor( |
| R.color.kg_user_switcher_restricted_avatar_icon_color, |
| context.getTheme()); |
| } |
| drawable.setTint(iconColor); |
| |
| Drawable bg = context.getDrawable(R.drawable.user_avatar_bg); |
| bg.setTintBlendMode(BlendMode.DST); |
| bg.setTint(Utils.getColorAttrDefaultColor(context, |
| com.android.internal.R.attr.colorSurfaceVariant)); |
| drawable = new LayerDrawable(new Drawable[]{bg, drawable}); |
| return drawable; |
| } |
| }; |
| |
| if (adapter.getCount() < 2) { |
| // The drop down arrow is at index 1 |
| ((LayerDrawable) mUserSwitcher.getBackground()).getDrawable(1).setAlpha(0); |
| anchor.setClickable(false); |
| return; |
| } else { |
| ((LayerDrawable) mUserSwitcher.getBackground()).getDrawable(1).setAlpha(255); |
| } |
| |
| anchor.setOnClickListener((v) -> { |
| if (mFalsingManager.isFalseTap(LOW_PENALTY)) return; |
| |
| mPopup = new KeyguardUserSwitcherPopupMenu(v.getContext(), mFalsingManager); |
| mPopup.setAnchorView(anchor); |
| mPopup.setAdapter(adapter); |
| mPopup.setOnItemClickListener(new AdapterView.OnItemClickListener() { |
| public void onItemClick(AdapterView parent, View view, int pos, long id) { |
| if (mFalsingManager.isFalseTap(LOW_PENALTY)) return; |
| if (!view.isEnabled()) return; |
| |
| // Subtract one for the header |
| UserRecord user = adapter.getItem(pos - 1); |
| if (!user.isCurrent) { |
| adapter.onUserListItemClicked(user); |
| } |
| mPopup.dismiss(); |
| mPopup = null; |
| } |
| }); |
| mPopup.show(); |
| }); |
| } |
| |
| /** |
| * Each view will get half the width. Yes, it would be easier to use something other than |
| * FrameLayout but it was too disruptive to downstream projects to change. |
| */ |
| @Override |
| public int getChildWidthMeasureSpec(int parentWidthMeasureSpec) { |
| return MeasureSpec.makeMeasureSpec( |
| MeasureSpec.getSize(parentWidthMeasureSpec) / 2, |
| MeasureSpec.EXACTLY); |
| } |
| |
| @Override |
| public void updateSecurityViewLocation() { |
| int yTrans = mResources.getDimensionPixelSize(R.dimen.bouncer_user_switcher_y_trans); |
| |
| if (mResources.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) { |
| updateViewGravity(mViewFlipper, Gravity.CENTER_HORIZONTAL); |
| updateViewGravity(mUserSwitcherViewGroup, Gravity.CENTER_HORIZONTAL); |
| |
| mUserSwitcherViewGroup.setTranslationY(yTrans); |
| mViewFlipper.setTranslationY(-yTrans); |
| } else { |
| updateViewGravity(mViewFlipper, Gravity.RIGHT | Gravity.BOTTOM); |
| updateViewGravity(mUserSwitcherViewGroup, Gravity.LEFT | Gravity.CENTER_VERTICAL); |
| |
| // Attempt to reposition a bit higher to make up for this frame being a bit lower |
| // on the device |
| mUserSwitcherViewGroup.setTranslationY(-yTrans); |
| mViewFlipper.setTranslationY(0); |
| } |
| } |
| |
| private void updateViewGravity(View v, int gravity) { |
| FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) v.getLayoutParams(); |
| lp.gravity = gravity; |
| v.setLayoutParams(lp); |
| } |
| } |
| |
| /** |
| * Logic to enabled one-handed bouncer mode. Supports animating the bouncer |
| * between alternate sides of the display. |
| */ |
| static class OneHandedViewMode implements ViewMode { |
| @Nullable private ValueAnimator mRunningOneHandedAnimator; |
| private ViewGroup mView; |
| private KeyguardSecurityViewFlipper mViewFlipper; |
| private GlobalSettings mGlobalSettings; |
| |
| @Override |
| public void init(@NonNull ViewGroup v, @NonNull GlobalSettings globalSettings, |
| @NonNull KeyguardSecurityViewFlipper viewFlipper, |
| @NonNull FalsingManager falsingManager, |
| @NonNull UserSwitcherController userSwitcherController) { |
| mView = v; |
| mViewFlipper = viewFlipper; |
| mGlobalSettings = globalSettings; |
| |
| updateSecurityViewGravity(); |
| updateSecurityViewLocation(isLeftAligned(), /* animate= */false); |
| } |
| |
| /** |
| * One-handed mode contains the child to half of the available space. |
| */ |
| @Override |
| public int getChildWidthMeasureSpec(int parentWidthMeasureSpec) { |
| return MeasureSpec.makeMeasureSpec( |
| MeasureSpec.getSize(parentWidthMeasureSpec) / 2, |
| MeasureSpec.EXACTLY); |
| } |
| |
| private void updateSecurityViewGravity() { |
| FrameLayout.LayoutParams lp = |
| (FrameLayout.LayoutParams) mViewFlipper.getLayoutParams(); |
| lp.gravity = Gravity.LEFT | Gravity.BOTTOM; |
| mViewFlipper.setLayoutParams(lp); |
| } |
| |
| /** |
| * Moves the bouncer to align with a tap (most likely in the shade), so the bouncer |
| * appears on the same side as a touch. |
| */ |
| @Override |
| public void updatePositionByTouchX(float x) { |
| boolean isTouchOnLeft = x <= mView.getWidth() / 2f; |
| updateSideSetting(isTouchOnLeft); |
| updateSecurityViewLocation(isTouchOnLeft, /* animate= */false); |
| } |
| |
| boolean isLeftAligned() { |
| return mGlobalSettings.getInt(Settings.Global.ONE_HANDED_KEYGUARD_SIDE, |
| Settings.Global.ONE_HANDED_KEYGUARD_SIDE_LEFT) |
| == Settings.Global.ONE_HANDED_KEYGUARD_SIDE_LEFT; |
| } |
| |
| private void updateSideSetting(boolean leftAligned) { |
| mGlobalSettings.putInt( |
| Settings.Global.ONE_HANDED_KEYGUARD_SIDE, |
| leftAligned ? Settings.Global.ONE_HANDED_KEYGUARD_SIDE_LEFT |
| : Settings.Global.ONE_HANDED_KEYGUARD_SIDE_RIGHT); |
| } |
| |
| /** |
| * Determine if a tap on this view is on the other side. If so, will animate positions |
| * and record the preference to always show on this side. |
| */ |
| @Override |
| public void handleTap(MotionEvent event) { |
| float x = event.getX(); |
| boolean currentlyLeftAligned = isLeftAligned(); |
| // Did the tap hit the "other" side of the bouncer? |
| if ((currentlyLeftAligned && (x > mView.getWidth() / 2f)) |
| || (!currentlyLeftAligned && (x < mView.getWidth() / 2f))) { |
| |
| boolean willBeLeftAligned = !currentlyLeftAligned; |
| updateSideSetting(willBeLeftAligned); |
| |
| int keyguardState = willBeLeftAligned |
| ? SysUiStatsLog.KEYGUARD_BOUNCER_STATE_CHANGED__STATE__SWITCH_LEFT |
| : SysUiStatsLog.KEYGUARD_BOUNCER_STATE_CHANGED__STATE__SWITCH_RIGHT; |
| SysUiStatsLog.write(SysUiStatsLog.KEYGUARD_BOUNCER_STATE_CHANGED, keyguardState); |
| |
| updateSecurityViewLocation(willBeLeftAligned, true /* animate */); |
| } |
| } |
| |
| @Override |
| public void updateSecurityViewLocation() { |
| updateSecurityViewLocation(isLeftAligned(), /* animate= */false); |
| } |
| |
| /** |
| * Moves the inner security view to the correct location (in one handed mode) with |
| * animation. This is triggered when the user taps on the side of the screen that is not |
| * currently occupied by the security view. |
| */ |
| private void updateSecurityViewLocation(boolean leftAlign, boolean animate) { |
| if (mRunningOneHandedAnimator != null) { |
| mRunningOneHandedAnimator.cancel(); |
| mRunningOneHandedAnimator = null; |
| } |
| |
| int targetTranslation = leftAlign |
| ? 0 : (int) (mView.getMeasuredWidth() - mViewFlipper.getWidth()); |
| |
| if (animate) { |
| // This animation is a bit fun to implement. The bouncer needs to move, and fade |
| // in/out at the same time. The issue is, the bouncer should only move a short |
| // amount (120dp or so), but obviously needs to go from one side of the screen to |
| // the other. This needs a pretty custom animation. |
| // |
| // This works as follows. It uses a ValueAnimation to simply drive the animation |
| // progress. This animator is responsible for both the translation of the bouncer, |
| // and the current fade. It will fade the bouncer out while also moving it along the |
| // 120dp path. Once the bouncer is fully faded out though, it will "snap" the |
| // bouncer closer to its destination, then fade it back in again. The effect is that |
| // the bouncer will move from 0 -> X while fading out, then |
| // (destination - X) -> destination while fading back in again. |
| // TODO(b/208250221): Make this animation properly abortable. |
| Interpolator positionInterpolator = AnimationUtils.loadInterpolator( |
| mView.getContext(), android.R.interpolator.fast_out_extra_slow_in); |
| Interpolator fadeOutInterpolator = Interpolators.FAST_OUT_LINEAR_IN; |
| Interpolator fadeInInterpolator = Interpolators.LINEAR_OUT_SLOW_IN; |
| |
| mRunningOneHandedAnimator = ValueAnimator.ofFloat(0.0f, 1.0f); |
| mRunningOneHandedAnimator.setDuration(BOUNCER_HANDEDNESS_ANIMATION_DURATION_MS); |
| mRunningOneHandedAnimator.setInterpolator(Interpolators.LINEAR); |
| |
| int initialTranslation = (int) mViewFlipper.getTranslationX(); |
| int totalTranslation = (int) mView.getResources().getDimension( |
| R.dimen.one_handed_bouncer_move_animation_translation); |
| |
| final boolean shouldRestoreLayerType = mViewFlipper.hasOverlappingRendering() |
| && mViewFlipper.getLayerType() != View.LAYER_TYPE_HARDWARE; |
| if (shouldRestoreLayerType) { |
| mViewFlipper.setLayerType(View.LAYER_TYPE_HARDWARE, /* paint= */null); |
| } |
| |
| float initialAlpha = mViewFlipper.getAlpha(); |
| |
| mRunningOneHandedAnimator.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mRunningOneHandedAnimator = null; |
| } |
| }); |
| mRunningOneHandedAnimator.addUpdateListener(animation -> { |
| float switchPoint = BOUNCER_HANDEDNESS_ANIMATION_FADE_OUT_PROPORTION; |
| boolean isFadingOut = animation.getAnimatedFraction() < switchPoint; |
| |
| int currentTranslation = (int) (positionInterpolator.getInterpolation( |
| animation.getAnimatedFraction()) * totalTranslation); |
| int translationRemaining = totalTranslation - currentTranslation; |
| |
| // Flip the sign if we're going from right to left. |
| if (leftAlign) { |
| currentTranslation = -currentTranslation; |
| translationRemaining = -translationRemaining; |
| } |
| |
| if (isFadingOut) { |
| // The bouncer fades out over the first X%. |
| float fadeOutFraction = MathUtils.constrainedMap( |
| /* rangeMin= */1.0f, |
| /* rangeMax= */0.0f, |
| /* valueMin= */0.0f, |
| /* valueMax= */switchPoint, |
| animation.getAnimatedFraction()); |
| float opacity = fadeOutInterpolator.getInterpolation(fadeOutFraction); |
| |
| // When fading out, the alpha needs to start from the initial opacity of the |
| // view flipper, otherwise we get a weird bit of jank as it ramps back to |
| // 100%. |
| mViewFlipper.setAlpha(opacity * initialAlpha); |
| |
| // Animate away from the source. |
| mViewFlipper.setTranslationX(initialTranslation + currentTranslation); |
| } else { |
| // And in again over the remaining (100-X)%. |
| float fadeInFraction = MathUtils.constrainedMap( |
| /* rangeMin= */0.0f, |
| /* rangeMax= */1.0f, |
| /* valueMin= */switchPoint, |
| /* valueMax= */1.0f, |
| animation.getAnimatedFraction()); |
| |
| float opacity = fadeInInterpolator.getInterpolation(fadeInFraction); |
| mViewFlipper.setAlpha(opacity); |
| |
| // Fading back in, animate towards the destination. |
| mViewFlipper.setTranslationX(targetTranslation - translationRemaining); |
| } |
| |
| if (animation.getAnimatedFraction() == 1.0f && shouldRestoreLayerType) { |
| mViewFlipper.setLayerType(View.LAYER_TYPE_NONE, /* paint= */null); |
| } |
| }); |
| |
| mRunningOneHandedAnimator.start(); |
| } else { |
| mViewFlipper.setTranslationX(targetTranslation); |
| } |
| } |
| } |
| } |
