--- /dev/null
+/*
+ * 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.systemui.statusbar.phone;
+
+import android.view.animation.Interpolator;
+
+/**
+ * An implementation of a bouncer interpolator optimized for unlock hinting.
+ */
+public class BounceInterpolator implements Interpolator {
+
+ private final static float SCALE_FACTOR = 7.5625f;
+
+ @Override
+ public float getInterpolation(float t) {
+ if (t < 4f / 11f) {
+ return SCALE_FACTOR * t * t;
+ } else if (t < 8f / 11f) {
+ float t2 = t - 6f / 11f;
+ return SCALE_FACTOR * t2 * t2 + 3f / 4f;
+ } else if (t < 10f / 11f) {
+ float t2 = t - 9f / 11f;
+ return SCALE_FACTOR * t2 * t2 + 15f / 16f;
+ } else {
+ float t2 = t - 21f / 22f;
+ return SCALE_FACTOR * t2 * t2 + 63f / 64f;
+ }
+ }
+}
import android.util.Log;
import android.view.MotionEvent;
import android.view.ViewConfiguration;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
import android.widget.FrameLayout;
import com.android.systemui.R;
import com.android.systemui.statusbar.FlingAnimationUtils;
+import com.android.systemui.statusbar.StatusBarState;
import java.io.FileDescriptor;
import java.io.PrintWriter;
Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args));
}
+ protected PhoneStatusBar mStatusBar;
private float mPeekHeight;
+ private float mHintDistance;
private float mInitialOffsetOnTouch;
private float mExpandedFraction = 0;
private float mExpandedHeight = 0;
private boolean mJustPeeked;
private boolean mClosing;
private boolean mTracking;
+ private boolean mTouchSlopExceeded;
private int mTrackingPointer;
protected int mTouchSlop;
private float mInitialTouchY;
private float mInitialTouchX;
+ private Interpolator mLinearOutSlowInInterpolator;
+ private Interpolator mBounceInterpolator;
+
protected void onExpandingFinished() {
mBar.onExpandingFinished();
}
public PanelView(Context context, AttributeSet attrs) {
super(context, attrs);
mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f);
+ mLinearOutSlowInInterpolator =
+ AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in);
+ mBounceInterpolator = new BounceInterpolator();
}
protected void loadDimens() {
final ViewConfiguration configuration = ViewConfiguration.get(getContext());
mTouchSlop = configuration.getScaledTouchSlop();
+ mHintDistance = res.getDimension(R.dimen.hint_move_distance);
}
private void trackMovement(MotionEvent event) {
mInitialTouchY = y;
mInitialTouchX = x;
mInitialOffsetOnTouch = mExpandedHeight;
+ mTouchSlopExceeded = false;
if (mVelocityTracker == null) {
initVelocityTracker();
}
case MotionEvent.ACTION_MOVE:
float h = y - mInitialTouchY;
- if (waitForTouchSlop && !mTracking && Math.abs(h) > mTouchSlop
- && Math.abs(h) > Math.abs(x - mInitialTouchX)) {
- mInitialOffsetOnTouch = mExpandedHeight;
- mInitialTouchX = x;
- mInitialTouchY = y;
- if (mHeightAnimator != null) {
- mHeightAnimator.cancel(); // end any outstanding animations
+ if (Math.abs(h) > mTouchSlop && Math.abs(h) > Math.abs(x - mInitialTouchX)) {
+ mTouchSlopExceeded = true;
+ if (waitForTouchSlop && !mTracking) {
+ mInitialOffsetOnTouch = mExpandedHeight;
+ mInitialTouchX = x;
+ mInitialTouchY = y;
+ if (mHeightAnimator != null) {
+ mHeightAnimator.cancel(); // end any outstanding animations
+ }
+ onTrackingStarted();
+ h = 0;
}
- onTrackingStarted();
- h = 0;
}
final float newHeight = h + mInitialOffsetOnTouch;
if (newHeight > mPeekHeight) {
case MotionEvent.ACTION_CANCEL:
mTrackingPointer = -1;
trackMovement(event);
- float vel = getCurrentVelocity();
- boolean expand = flingExpands(vel);
- onTrackingStopped(expand);
- fling(vel, expand);
+ if (mTracking && mTouchSlopExceeded) {
+ float vel = getCurrentVelocity();
+ boolean expand = flingExpands(vel);
+ onTrackingStopped(expand);
+ fling(vel, expand);
+ } else {
+ boolean expands = onEmptySpaceClick();
+ onTrackingStopped(expands);
+ }
if (mVelocityTracker != null) {
mVelocityTracker.recycle();
mVelocityTracker = null;
}
mInitialTouchY = y;
mInitialTouchX = x;
+ mTouchSlopExceeded = false;
initVelocityTracker();
trackMovement(event);
break;
mInitialTouchY = y;
mInitialTouchX = x;
mTracking = true;
+ mTouchSlopExceeded = true;
onTrackingStarted();
return true;
}
mBar.panelExpansionChanged(this, mExpandedFraction);
return;
}
- ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, target);
+ ValueAnimator animator = createHeightAnimator(target);
if (expand) {
mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight());
} else {
animator.setDuration((long) (animator.getDuration() / 1.75f));
}
}
- animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
- @Override
- public void onAnimationUpdate(ValueAnimator animation) {
- setExpandedHeight((Float) animation.getAnimatedValue());
- }
- });
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mOverExpansion = overExpansion;
}
- protected void onHeightUpdated(float expandedHeight) {
- requestLayout();
- }
+ protected abstract void onHeightUpdated(float expandedHeight);
/**
* This returns the maximum height of the panel. Children should override this if their
}
}
+ 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();
+ onExpandingStarted();
+ startUnlockHintAnimationPhase1();
+ mStatusBar.onUnlockHintStarted();
+ }
+
+ /**
+ * Phase 1: Move everything upwards.
+ */
+ private void startUnlockHintAnimationPhase1() {
+ float target = Math.max(0, getMaxPanelHeight() - mHintDistance);
+ ValueAnimator animator = createHeightAnimator(target);
+ animator.setDuration(250);
+ animator.setInterpolator(mLinearOutSlowInInterpolator);
+ 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;
+ onExpandingFinished();
+ mStatusBar.onUnlockHintFinished();
+ } else {
+ startUnlockHintAnimationPhase2();
+ }
+ }
+ });
+ animator.start();
+ mHeightAnimator = animator;
+ }
+
+ /**
+ * Phase 2: Bounce down.
+ */
+ private void startUnlockHintAnimationPhase2() {
+ ValueAnimator animator = createHeightAnimator(getMaxPanelHeight());
+ animator.setDuration(450);
+ animator.setInterpolator(mBounceInterpolator);
+ animator.addListener(new AnimatorListenerAdapter() {
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ mHeightAnimator = null;
+ onExpandingFinished();
+ mStatusBar.onUnlockHintFinished();
+ }
+ });
+ 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) {
+ setExpandedHeight((Float) animation.getAnimatedValue());
+ }
+ });
+ return animator;
+ }
+
+ /**
+ * 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
+ */
+ private boolean onEmptySpaceClick() {
+ switch (mStatusBar.getBarState()) {
+ case StatusBarState.KEYGUARD:
+ startUnlockHintAnimation();
+ return true;
+ case StatusBarState.SHADE_LOCKED:
+ // TODO: Go to Keyguard again.
+ return true;
+ case StatusBarState.SHADE:
+ collapse();
+ return false;
+ default:
+ return true;
+ }
+ }
+
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"
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