/*
* 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.systemui.statusbar.phone;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.ViewConfiguration;
import android.view.ViewTreeObserver;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.widget.FrameLayout;
import com.android.systemui.EventLogConstants;
import com.android.systemui.EventLogTags;
import com.android.systemui.R;
import com.android.systemui.doze.DozeLog;
import com.android.systemui.statusbar.FlingAnimationUtils;
import com.android.systemui.statusbar.StatusBarState;
import java.io.FileDescriptor;
import java.io.PrintWriter;
public abstract class PanelView extends FrameLayout {
public static final boolean DEBUG = PanelBar.DEBUG;
public static final String TAG = PanelView.class.getSimpleName();
private final void logf(String fmt, Object... args) {
Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args));
}
protected PhoneStatusBar mStatusBar;
private float mPeekHeight;
private float mHintDistance;
private int mEdgeTapAreaWidth;
private float mInitialOffsetOnTouch;
private float mExpandedFraction = 0;
protected float mExpandedHeight = 0;
private boolean mPanelClosedOnDown;
private boolean mHasLayoutedSinceDown;
private float mUpdateFlingVelocity;
private boolean mUpdateFlingOnLayout;
private boolean mPeekTouching;
private boolean mJustPeeked;
private boolean mClosing;
protected boolean mTracking;
private boolean mTouchSlopExceeded;
private int mTrackingPointer;
protected int mTouchSlop;
protected boolean mHintAnimationRunning;
private boolean mOverExpandedBeforeFling;
private boolean mTouchAboveFalsingThreshold;
private int mUnlockFalsingThreshold;
private boolean mTouchStartedInEmptyArea;
private ValueAnimator mHeightAnimator;
private ObjectAnimator mPeekAnimator;
private VelocityTrackerInterface mVelocityTracker;
private FlingAnimationUtils mFlingAnimationUtils;
/**
* Whether an instant expand request is currently pending and we are just waiting for layout.
*/
private boolean mInstantExpanding;
PanelBar mBar;
private String mViewName;
private float mInitialTouchY;
private float mInitialTouchX;
private boolean mTouchDisabled;
private Interpolator mLinearOutSlowInInterpolator;
private Interpolator mFastOutSlowInInterpolator;
private Interpolator mBounceInterpolator;
protected KeyguardBottomAreaView mKeyguardBottomArea;
private boolean mPeekPending;
private boolean mCollapseAfterPeek;
private boolean mExpanding;
private boolean mGestureWaitForTouchSlop;
private boolean mDozingOnDown;
private Runnable mPeekRunnable = new Runnable() {
@Override
public void run() {
mPeekPending = false;
runPeekAnimation();
}
};
protected void onExpandingFinished() {
endClosing();
mBar.onExpandingFinished();
}
protected void onExpandingStarted() {
}
private void notifyExpandingStarted() {
if (!mExpanding) {
mExpanding = true;
onExpandingStarted();
}
}
private void notifyExpandingFinished() {
if (mExpanding) {
mExpanding = false;
onExpandingFinished();
}
}
private void schedulePeek() {
mPeekPending = true;
long timeout = ViewConfiguration.getTapTimeout();
postOnAnimationDelayed(mPeekRunnable, timeout);
notifyBarPanelExpansionChanged();
}
private void runPeekAnimation() {
mPeekHeight = getPeekHeight();
if (DEBUG) logf("peek to height=%.1f", mPeekHeight);
if (mHeightAnimator != null) {
return;
}
mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight)
.setDuration(250);
mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator);
mPeekAnimator.addListener(new AnimatorListenerAdapter() {
private boolean mCancelled;
@Override
public void onAnimationCancel(Animator animation) {
mCancelled = true;
}
@Override
public void onAnimationEnd(Animator animation) {
mPeekAnimator = null;
if (mCollapseAfterPeek && !mCancelled) {
postOnAnimation(new Runnable() {
@Override
public void run() {
collapse(false /* delayed */);
}
});
}
mCollapseAfterPeek = false;
}
});
notifyExpandingStarted();
mPeekAnimator.start();
mJustPeeked = true;
}
public PanelView(Context context, AttributeSet attrs) {
super(context, attrs);
mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f);
mFastOutSlowInInterpolator =
AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in);
mLinearOutSlowInInterpolator =
AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in);
mBounceInterpolator = new BounceInterpolator();
}
protected void loadDimens() {
final Resources res = getContext().getResources();
final ViewConfiguration configuration = ViewConfiguration.get(getContext());
mTouchSlop = configuration.getScaledTouchSlop();
mHintDistance = res.getDimension(R.dimen.hint_move_distance);
mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width);
mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold);
}
private void trackMovement(MotionEvent event) {
// Add movement to velocity tracker using raw screen X and Y coordinates instead
// of window coordinates because the window frame may be moving at the same time.
float deltaX = event.getRawX() - event.getX();
float deltaY = event.getRawY() - event.getY();
event.offsetLocation(deltaX, deltaY);
if (mVelocityTracker != null) mVelocityTracker.addMovement(event);
event.offsetLocation(-deltaX, -deltaY);
}
public void setTouchDisabled(boolean disabled) {
mTouchDisabled = disabled;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (mInstantExpanding || mTouchDisabled) {
return false;
}
/*
* We capture touch events here and update the expand height here in case according to
* the users fingers. This also handles multi-touch.
*
* If the user just clicks shortly, we give him a quick peek of the shade.
*
* Flinging is also enabled in order to open or close the shade.
*/
int pointerIndex = event.findPointerIndex(mTrackingPointer);
if (pointerIndex < 0) {
pointerIndex = 0;
mTrackingPointer = event.getPointerId(pointerIndex);
}
final float y = event.getY(pointerIndex);
final float x = event.getX(pointerIndex);
if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
mGestureWaitForTouchSlop = mExpandedHeight == 0f;
}
boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
mInitialTouchY = y;
mInitialTouchX = x;
mInitialOffsetOnTouch = mExpandedHeight;
mTouchSlopExceeded = false;
mJustPeeked = false;
mPanelClosedOnDown = mExpandedHeight == 0.0f;
mHasLayoutedSinceDown = false;
mUpdateFlingOnLayout = false;
mPeekTouching = mPanelClosedOnDown;
mTouchAboveFalsingThreshold = false;
mDozingOnDown = isDozing();
if (mVelocityTracker == null) {
initVelocityTracker();
}
trackMovement(event);
if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) ||
mPeekPending || mPeekAnimator != null) {
cancelHeightAnimator();
cancelPeek();
mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning)
|| mPeekPending || mPeekAnimator != null;
onTrackingStarted();
}
if (mExpandedHeight == 0) {
schedulePeek();
}
break;
case MotionEvent.ACTION_POINTER_UP:
final int upPointer = event.getPointerId(event.getActionIndex());
if (mTrackingPointer == upPointer) {
// gesture is ongoing, find a new pointer to track
final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
final float newY = event.getY(newIndex);
final float newX = event.getX(newIndex);
mTrackingPointer = event.getPointerId(newIndex);
mInitialOffsetOnTouch = mExpandedHeight;
mInitialTouchY = newY;
mInitialTouchX = newX;
}
break;
case MotionEvent.ACTION_MOVE:
float h = y - mInitialTouchY;
// If the panel was collapsed when touching, we only need to check for the
// y-component of the gesture, as we have no conflicting horizontal gesture.
if (Math.abs(h) > mTouchSlop
&& (Math.abs(h) > Math.abs(x - mInitialTouchX)
|| mInitialOffsetOnTouch == 0f)) {
mTouchSlopExceeded = true;
if (waitForTouchSlop && !mTracking) {
if (!mJustPeeked && mInitialOffsetOnTouch != 0f) {
mInitialOffsetOnTouch = mExpandedHeight;
mInitialTouchX = x;
mInitialTouchY = y;
h = 0;
}
cancelHeightAnimator();
removeCallbacks(mPeekRunnable);
mPeekPending = false;
onTrackingStarted();
}
}
final float newHeight = Math.max(0, h + mInitialOffsetOnTouch);
if (newHeight > mPeekHeight) {
if (mPeekAnimator != null) {
mPeekAnimator.cancel();
}
mJustPeeked = false;
}
if (-h >= getFalsingThreshold()) {
mTouchAboveFalsingThreshold = true;
}
if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) {
setExpandedHeightInternal(newHeight);
}
trackMovement(event);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mTrackingPointer = -1;
trackMovement(event);
if ((mTracking && mTouchSlopExceeded)
|| Math.abs(x - mInitialTouchX) > mTouchSlop
|| Math.abs(y - mInitialTouchY) > mTouchSlop
|| event.getActionMasked() == MotionEvent.ACTION_CANCEL) {
float vel = 0f;
float vectorVel = 0f;
if (mVelocityTracker != null) {
mVelocityTracker.computeCurrentVelocity(1000);
vel = mVelocityTracker.getYVelocity();
vectorVel = (float) Math.hypot(
mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity());
}
boolean expand = flingExpands(vel, vectorVel)
|| event.getActionMasked() == MotionEvent.ACTION_CANCEL;
onTrackingStopped(expand);
DozeLog.traceFling(expand, mTouchAboveFalsingThreshold,
mStatusBar.isFalsingThresholdNeeded(),
mStatusBar.isScreenOnComingFromTouch());
// Log collapse gesture if on lock screen.
if (!expand && mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
float displayDensity = mStatusBar.getDisplayDensity();
int heightDp = (int) Math.abs((y - mInitialTouchY) / displayDensity);
int velocityDp = (int) Math.abs(vel / displayDensity);
EventLogTags.writeSysuiLockscreenGesture(
EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_SWIPE_UP_UNLOCK,
heightDp, velocityDp);
}
fling(vel, expand);
mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown;
if (mUpdateFlingOnLayout) {
mUpdateFlingVelocity = vel;
}
} else {
boolean expands = onEmptySpaceClick(mInitialTouchX);
onTrackingStopped(expands);
}
if (mVelocityTracker != null) {
mVelocityTracker.recycle();
mVelocityTracker = null;
}
mPeekTouching = false;
break;
}
return !waitForTouchSlop || mTracking;
}
private int getFalsingThreshold() {
float factor = mStatusBar.isScreenOnComingFromTouch() ? 1.5f : 1.0f;
return (int) (mUnlockFalsingThreshold * factor);
}
protected abstract boolean hasConflictingGestures();
protected void onTrackingStopped(boolean expand) {
mTracking = false;
mBar.onTrackingStopped(PanelView.this, expand);
}
protected void onTrackingStarted() {
endClosing();
mTracking = true;
mCollapseAfterPeek = false;
mBar.onTrackingStarted(PanelView.this);
notifyExpandingStarted();
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
if (mInstantExpanding) {
return false;
}
/*
* If the user drags anywhere inside the panel we intercept it if he moves his finger
* upwards. This allows closing the shade from anywhere inside the panel.
*
* We only do this if the current content is scrolled to the bottom,
* i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture
* possible.
*/
int pointerIndex = event.findPointerIndex(mTrackingPointer);
if (pointerIndex < 0) {
pointerIndex = 0;
mTrackingPointer = event.getPointerId(pointerIndex);
}
final float x = event.getX(pointerIndex);
final float y = event.getY(pointerIndex);
boolean scrolledToBottom = isScrolledToBottom();
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
mStatusBar.userActivity();
if (mHeightAnimator != null && !mHintAnimationRunning ||
mPeekPending || mPeekAnimator != null) {
cancelHeightAnimator();
cancelPeek();
mTouchSlopExceeded = true;
return true;
}
mInitialTouchY = y;
mInitialTouchX = x;
mTouchStartedInEmptyArea = !isInContentBounds(x, y);
mTouchSlopExceeded = false;
mJustPeeked = false;
mPanelClosedOnDown = mExpandedHeight == 0.0f;
mHasLayoutedSinceDown = false;
mUpdateFlingOnLayout = false;
mTouchAboveFalsingThreshold = false;
mDozingOnDown = isDozing();
initVelocityTracker();
trackMovement(event);
break;
case MotionEvent.ACTION_POINTER_UP:
final int upPointer = event.getPointerId(event.getActionIndex());
if (mTrackingPointer == upPointer) {
// gesture is ongoing, find a new pointer to track
final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
mTrackingPointer = event.getPointerId(newIndex);
mInitialTouchX = event.getX(newIndex);
mInitialTouchY = event.getY(newIndex);
}
break;
case MotionEvent.ACTION_MOVE:
final float h = y - mInitialTouchY;
trackMovement(event);
if (scrolledToBottom || mTouchStartedInEmptyArea) {
if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) {
cancelHeightAnimator();
mInitialOffsetOnTouch = mExpandedHeight;
mInitialTouchY = y;
mInitialTouchX = x;
mTracking = true;
mTouchSlopExceeded = true;
onTrackingStarted();
return true;
}
}
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
break;
}
return false;
}
/**
* @return Whether a pair of coordinates are inside the visible view content bounds.
*/
protected abstract boolean isInContentBounds(float x, float y);
private void cancelHeightAnimator() {
if (mHeightAnimator != null) {
mHeightAnimator.cancel();
}
endClosing();
}
private void endClosing() {
if (mClosing) {
mClosing = false;
onClosingFinished();
}
}
private void initVelocityTracker() {
if (mVelocityTracker != null) {
mVelocityTracker.recycle();
}
mVelocityTracker = VelocityTrackerFactory.obtain(getContext());
}
protected boolean isScrolledToBottom() {
return true;
}
protected float getContentHeight() {
return mExpandedHeight;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
loadDimens();
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
loadDimens();
}
/**
* @param vel the current vertical velocity of the motion
* @param vectorVel the length of the vectorial velocity
* @return whether a fling should expands the panel; contracts otherwise
*/
protected boolean flingExpands(float vel, float vectorVel) {
if (isBelowFalsingThreshold()) {
return true;
}
if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) {
return getExpandedFraction() > 0.5f;
} else {
return vel > 0;
}
}
private boolean isBelowFalsingThreshold() {
return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded();
}
protected void fling(float vel, boolean expand) {
cancelPeek();
float target = expand ? getMaxPanelHeight() : 0.0f;
// Hack to make the expand transition look nice when clear all button is visible - we make
// the animation only to the last notification, and then jump to the maximum panel height so
// clear all just fades in and the decelerating motion is towards the last notification.
final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible()
&& mExpandedHeight < getMaxPanelHeight() - getClearAllHeight()
&& !isClearAllVisible();
if (clearAllExpandHack) {
target = getMaxPanelHeight() - getClearAllHeight();
}
if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) {
notifyExpandingFinished();
return;
}
mOverExpandedBeforeFling = getOverExpansionAmount() > 0f;
ValueAnimator animator = createHeightAnimator(target);
if (expand) {
boolean belowFalsingThreshold = isBelowFalsingThreshold();
if (belowFalsingThreshold) {
vel = 0;
}
mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight());
if (belowFalsingThreshold) {
animator.setDuration(350);
}
} else {
mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel,
getHeight());
// Make it shorter if we run a canned animation
if (vel == 0) {
animator.setDuration((long)
(animator.getDuration() * getCannedFlingDurationFactor()));
}
}
animator.addListener(new AnimatorListenerAdapter() {
private boolean mCancelled;
@Override
public void onAnimationCancel(Animator animation) {
mCancelled = true;
}
@Override
public void onAnimationEnd(Animator animation) {
if (clearAllExpandHack && !mCancelled) {
setExpandedHeightInternal(getMaxPanelHeight());
}
mHeightAnimator = null;
if (!mCancelled) {
notifyExpandingFinished();
}
}
});
mHeightAnimator = animator;
animator.start();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
mViewName = getResources().getResourceName(getId());
}
public String getName() {
return mViewName;
}
public void setExpandedHeight(float height) {
if (DEBUG) logf("setExpandedHeight(%.1f)", height);
setExpandedHeightInternal(height + getOverExpansionPixels());
}
@Override
protected void onLayout (boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
requestPanelHeightUpdate();
mHasLayoutedSinceDown = true;
if (mUpdateFlingOnLayout) {
abortAnimations();
fling(mUpdateFlingVelocity, true);
mUpdateFlingOnLayout = false;
}
}
protected void requestPanelHeightUpdate() {
float currentMaxPanelHeight = getMaxPanelHeight();
// If the user isn't actively poking us, let's update the height
if ((!mTracking || isTrackingBlocked())
&& mHeightAnimator == null
&& mExpandedHeight > 0
&& currentMaxPanelHeight != mExpandedHeight
&& !mPeekPending
&& mPeekAnimator == null
&& !mPeekTouching) {
setExpandedHeight(currentMaxPanelHeight);
}
}
public void setExpandedHeightInternal(float h) {
float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount();
if (mHeightAnimator == null) {
float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion);
if (getOverExpansionPixels() != overExpansionPixels && mTracking) {
setOverExpansion(overExpansionPixels, true /* isPixels */);
}
mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount();
} else {
mExpandedHeight = h;
if (mOverExpandedBeforeFling) {
setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */);
}
}
mExpandedHeight = Math.max(0, mExpandedHeight);
mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0
? 0
: mExpandedHeight / fhWithoutOverExpansion);
onHeightUpdated(mExpandedHeight);
notifyBarPanelExpansionChanged();
}
/**
* @return true if the panel tracking should be temporarily blocked; this is used when a
* conflicting gesture (opening QS) is happening
*/
protected abstract boolean isTrackingBlocked();
protected abstract void setOverExpansion(float overExpansion, boolean isPixels);
protected abstract void onHeightUpdated(float expandedHeight);
protected abstract float getOverExpansionAmount();
protected abstract float getOverExpansionPixels();
/**
* This returns the maximum height of the panel. Children should override this if their
* desired height is not the full height.
*
* @return the default implementation simply returns the maximum height.
*/
protected abstract int getMaxPanelHeight();
public void setExpandedFraction(float frac) {
setExpandedHeight(getMaxPanelHeight() * frac);
}
public float getExpandedHeight() {
return mExpandedHeight;
}
public float getExpandedFraction() {
return mExpandedFraction;
}
public boolean isFullyExpanded() {
return mExpandedHeight >= getMaxPanelHeight();
}
public boolean isFullyCollapsed() {
return mExpandedHeight <= 0;
}
public boolean isCollapsing() {
return mClosing;
}
public boolean isTracking() {
return mTracking;
}
public void setBar(PanelBar panelBar) {
mBar = panelBar;
}
public void collapse(boolean delayed) {
if (DEBUG) logf("collapse: " + this);
if (mPeekPending || mPeekAnimator != null) {
mCollapseAfterPeek = true;
if (mPeekPending) {
// We know that the whole gesture is just a peek triggered by a simple click, so
// better start it now.
removeCallbacks(mPeekRunnable);
mPeekRunnable.run();
}
} else if (!isFullyCollapsed() && !mTracking && !mClosing) {
cancelHeightAnimator();
mClosing = true;
notifyExpandingStarted();
if (delayed) {
postDelayed(mFlingCollapseRunnable, 120);
} else {
fling(0, false /* expand */);
}
}
}
private final Runnable mFlingCollapseRunnable = new Runnable() {
@Override
public void run() {
fling(0, false /* expand */);
}
};
public void expand() {
if (DEBUG) logf("expand: " + this);
if (isFullyCollapsed()) {
mBar.startOpeningPanel(this);
notifyExpandingStarted();
fling(0, true /* expand */);
} else if (DEBUG) {
if (DEBUG) logf("skipping expansion: is expanded");
}
}
public void cancelPeek() {
if (mPeekAnimator != null) {
mPeekAnimator.cancel();
}
removeCallbacks(mPeekRunnable);
mPeekPending = false;
// When peeking, we already tell mBar that we expanded ourselves. Make sure that we also
// notify mBar that we might have closed ourselves.
notifyBarPanelExpansionChanged();
}
public void instantExpand() {
mInstantExpanding = true;
mUpdateFlingOnLayout = false;
abortAnimations();
cancelPeek();
if (mTracking) {
onTrackingStopped(true /* expands */); // The panel is expanded after this call.
}
if (mExpanding) {
notifyExpandingFinished();
}
setVisibility(VISIBLE);
// Wait for window manager to pickup the change, so we know the maximum height of the panel
// then.
getViewTreeObserver().addOnGlobalLayoutListener(
new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
if (mStatusBar.getStatusBarWindow().getHeight()
!= mStatusBar.getStatusBarHeight()) {
getViewTreeObserver().removeOnGlobalLayoutListener(this);
setExpandedFraction(1f);
mInstantExpanding = false;
}
}
});
// Make sure a layout really happens.
requestLayout();
}
public void instantCollapse() {
abortAnimations();
setExpandedFraction(0f);
if (mExpanding) {
notifyExpandingFinished();
}
}
private void abortAnimations() {
cancelPeek();
cancelHeightAnimator();
removeCallbacks(mPostCollapseRunnable);
removeCallbacks(mFlingCollapseRunnable);
}
protected void onClosingFinished() {
mBar.onClosingFinished();
}
protected void startUnlockHintAnimation() {
// We don't need to hint the user if an animation is already running or the user is changing
// the expansion.
if (mHeightAnimator != null || mTracking) {
return;
}
cancelPeek();
notifyExpandingStarted();
startUnlockHintAnimationPhase1(new Runnable() {
@Override
public void run() {
notifyExpandingFinished();
mStatusBar.onHintFinished();
mHintAnimationRunning = false;
}
});
mStatusBar.onUnlockHintStarted();
mHintAnimationRunning = true;
}
/**
* Phase 1: Move everything upwards.
*/
private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) {
float target = Math.max(0, getMaxPanelHeight() - mHintDistance);
ValueAnimator animator = createHeightAnimator(target);
animator.setDuration(250);
animator.setInterpolator(mFastOutSlowInInterpolator);
animator.addListener(new AnimatorListenerAdapter() {
private boolean mCancelled;
@Override
public void onAnimationCancel(Animator animation) {
mCancelled = true;
}
@Override
public void onAnimationEnd(Animator animation) {
if (mCancelled) {
mHeightAnimator = null;
onAnimationFinished.run();
} else {
startUnlockHintAnimationPhase2(onAnimationFinished);
}
}
});
animator.start();
mHeightAnimator = animator;
mKeyguardBottomArea.getIndicationView().animate()
.translationY(-mHintDistance)
.setDuration(250)
.setInterpolator(mFastOutSlowInInterpolator)
.withEndAction(new Runnable() {
@Override
public void run() {
mKeyguardBottomArea.getIndicationView().animate()
.translationY(0)
.setDuration(450)
.setInterpolator(mBounceInterpolator)
.start();
}
})
.start();
}
/**
* Phase 2: Bounce down.
*/
private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) {
ValueAnimator animator = createHeightAnimator(getMaxPanelHeight());
animator.setDuration(450);
animator.setInterpolator(mBounceInterpolator);
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mHeightAnimator = null;
onAnimationFinished.run();
}
});
animator.start();
mHeightAnimator = animator;
}
private ValueAnimator createHeightAnimator(float targetHeight) {
ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
setExpandedHeightInternal((Float) animation.getAnimatedValue());
}
});
return animator;
}
private void notifyBarPanelExpansionChanged() {
mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending
|| mPeekAnimator != null);
}
/**
* Gets called when the user performs a click anywhere in the empty area of the panel.
*
* @return whether the panel will be expanded after the action performed by this method
*/
protected boolean onEmptySpaceClick(float x) {
if (mHintAnimationRunning) {
return true;
}
if (x < mEdgeTapAreaWidth
&& mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
onEdgeClicked(false /* right */);
return true;
} else if (x > getWidth() - mEdgeTapAreaWidth
&& mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
onEdgeClicked(true /* right */);
return true;
} else {
return onMiddleClicked();
}
}
private final Runnable mPostCollapseRunnable = new Runnable() {
@Override
public void run() {
collapse(false /* delayed */);
}
};
private boolean onMiddleClicked() {
switch (mStatusBar.getBarState()) {
case StatusBarState.KEYGUARD:
if (!mDozingOnDown) {
EventLogTags.writeSysuiLockscreenGesture(
EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_TAP_UNLOCK_HINT,
0 /* lengthDp - N/A */, 0 /* velocityDp - N/A */);
startUnlockHintAnimation();
}
return true;
case StatusBarState.SHADE_LOCKED:
mStatusBar.goToKeyguard();
return true;
case StatusBarState.SHADE:
// This gets called in the middle of the touch handling, where the state is still
// that we are tracking the panel. Collapse the panel after this is done.
post(mPostCollapseRunnable);
return false;
default:
return true;
}
}
protected abstract void onEdgeClicked(boolean right);
protected abstract boolean isDozing();
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s"
+ " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s"
+ "]",
this.getClass().getSimpleName(),
getExpandedHeight(),
getMaxPanelHeight(),
mClosing?"T":"f",
mTracking?"T":"f",
mJustPeeked?"T":"f",
mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""),
mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""),
mTouchDisabled?"T":"f"
));
}
public abstract void resetViews();
protected abstract float getPeekHeight();
protected abstract float getCannedFlingDurationFactor();
/**
* @return whether "Clear all" button will be visible when the panel is fully expanded
*/
protected abstract boolean fullyExpandedClearAllVisible();
protected abstract boolean isClearAllVisible();
/**
* @return the height of the clear all button, in pixels
*/
protected abstract int getClearAllHeight();
}
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