| /* |
| * 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(); |
| } |