am b9eabc5c: Merge "Allow swipe down to dismiss for ResolverDrawerLayout" into lmp-mr1-dev (63bb3383) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/ResolverActivity.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -278,9 +278,9 @@ public class ResolverActivity extends Activity implements AdapterView.OnItemClic

		final ResolverDrawerLayout rdl = (ResolverDrawerLayout) findViewById(R.id.contentPanel);
		if (rdl != null) {
		rdl.setOnClickOutsideListener(new View.OnClickListener() {
		rdl.setOnDismissedListener(new ResolverDrawerLayout.OnDismissedListener() {
		@Override
		public void onClick(View v) {
		public void onDismissed() {
		finish();
		}
		});

core/java/com/android/internal/widget/ResolverDrawerLayout.java

+59 −21

Original line number	Diff line number	Diff line
		@@ -63,18 +63,22 @@ public class ResolverDrawerLayout extends ViewGroup {
		private float mCollapseOffset;

		private int mCollapsibleHeight;
		private int mUncollapsibleHeight;

		private int mTopOffset;

		private boolean mIsDragging;
		private boolean mOpenOnClick;
		private boolean mOpenOnLayout;
		private boolean mDismissOnScrollerFinished;
		private final int mTouchSlop;
		private final float mMinFlingVelocity;
		private final OverScroller mScroller;
		private final VelocityTracker mVelocityTracker;

		private OnClickListener mClickOutsideListener;
		private OnDismissedListener mOnDismissedListener;
		private RunOnDismissedListener mRunOnDismissedListener;

		private float mInitialTouchX;
		private float mInitialTouchY;
		private float mLastTouchY;
		@@ -143,8 +147,8 @@ public class ResolverDrawerLayout extends ViewGroup {
		return isSmallCollapsed() ? mMaxCollapsedHeightSmall : mMaxCollapsedHeight;
		}

		public void setOnClickOutsideListener(OnClickListener listener) {
		mClickOutsideListener = listener;
		public void setOnDismissedListener(OnDismissedListener listener) {
		mOnDismissedListener = listener;
		}

		@Override
		@@ -194,7 +198,7 @@ public class ResolverDrawerLayout extends ViewGroup {
		}

		if (mIsDragging) {
		mScroller.abortAnimation();
		abortAnimation();
		}
		return mIsDragging \|\| mOpenOnClick;
		}
		@@ -213,12 +217,9 @@ public class ResolverDrawerLayout extends ViewGroup {
		mInitialTouchX = x;
		mInitialTouchY = mLastTouchY = y;
		mActivePointerId = ev.getPointerId(0);
		if (findChildUnder(mInitialTouchX, mInitialTouchY) == null &&
		mClickOutsideListener != null) {
		mIsDragging = handled = true;
		}
		handled \|= mCollapsibleHeight > 0;
		mScroller.abortAnimation();
		mIsDragging = findChildUnder(mInitialTouchX, mInitialTouchY) != null;
		handled = (!mIsDragging && mOnDismissedListener != null) \|\| mCollapsibleHeight > 0;
		abortAnimation();
		}
		break;

		@@ -264,11 +265,12 @@ public class ResolverDrawerLayout extends ViewGroup {
		break;

		case MotionEvent.ACTION_UP: {
		final boolean wasDragging = mIsDragging;
		mIsDragging = false;
		if (!mIsDragging && findChildUnder(mInitialTouchX, mInitialTouchY) == null &&
		if (!wasDragging && findChildUnder(mInitialTouchX, mInitialTouchY) == null &&
		findChildUnder(ev.getX(), ev.getY()) == null) {
		if (mClickOutsideListener != null) {
		mClickOutsideListener.onClick(this);
		if (mOnDismissedListener != null) {
		dispatchOnDismissed();
		resetTouch();
		return true;
		}
		@@ -281,7 +283,13 @@ public class ResolverDrawerLayout extends ViewGroup {
		mVelocityTracker.computeCurrentVelocity(1000);
		final float yvel = mVelocityTracker.getYVelocity(mActivePointerId);
		if (Math.abs(yvel) > mMinFlingVelocity) {
		if (mOnDismissedListener != null
		&& yvel > 0 && mCollapseOffset > mCollapsibleHeight) {
		smoothScrollTo(mCollapsibleHeight + mUncollapsibleHeight, yvel);
		mDismissOnScrollerFinished = true;
		} else {
		smoothScrollTo(yvel < 0 ? 0 : mCollapsibleHeight, yvel);
		}
		} else {
		smoothScrollTo(
		mCollapseOffset < mCollapsibleHeight / 2 ? 0 : mCollapsibleHeight, 0);
		@@ -327,17 +335,27 @@ public class ResolverDrawerLayout extends ViewGroup {
		@Override
		public void computeScroll() {
		super.computeScroll();
		if (!mScroller.isFinished()) {
		final boolean keepGoing = mScroller.computeScrollOffset();
		if (mScroller.computeScrollOffset()) {
		final boolean keepGoing = !mScroller.isFinished();
		performDrag(mScroller.getCurrY() - mCollapseOffset);
		if (keepGoing) {
		postInvalidateOnAnimation();
		} else if (mDismissOnScrollerFinished && mOnDismissedListener != null) {
		mRunOnDismissedListener = new RunOnDismissedListener();
		post(mRunOnDismissedListener);
		}
		}
		}

		private void abortAnimation() {
		mScroller.abortAnimation();
		mRunOnDismissedListener = null;
		mDismissOnScrollerFinished = false;
		}

		private float performDrag(float dy) {
		final float newPos = Math.max(0, Math.min(mCollapseOffset + dy, mCollapsibleHeight));
		final float newPos = Math.max(0, Math.min(mCollapseOffset + dy,
		mCollapsibleHeight + mUncollapsibleHeight));
		if (newPos != mCollapseOffset) {
		dy = newPos - mCollapseOffset;
		final int childCount = getChildCount();
		@@ -356,11 +374,18 @@ public class ResolverDrawerLayout extends ViewGroup {
		return 0;
		}

		private void smoothScrollTo(int yOffset, float velocity) {
		if (getMaxCollapsedHeight() == 0) {
		return;
		void dispatchOnDismissed() {
		if (mOnDismissedListener != null) {
		mOnDismissedListener.onDismissed();
		}
		mScroller.abortAnimation();
		if (mRunOnDismissedListener != null) {
		removeCallbacks(mRunOnDismissedListener);
		mRunOnDismissedListener = null;
		}
		}

		private void smoothScrollTo(int yOffset, float velocity) {
		abortAnimation();
		final int sy = (int) mCollapseOffset;
		int dy = yOffset - sy;
		if (dy == 0) {
		@@ -490,6 +515,7 @@ public class ResolverDrawerLayout extends ViewGroup {
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();
		getViewTreeObserver().removeOnTouchModeChangeListener(mTouchModeChangeListener);
		abortAnimation();
		}

		@Override
		@@ -585,6 +611,7 @@ public class ResolverDrawerLayout extends ViewGroup {

		mCollapsibleHeight = Math.max(0,
		heightUsed - alwaysShowHeight - getMaxCollapsedHeight());
		mUncollapsibleHeight = heightUsed - mCollapsibleHeight;

		if (isLaidOut()) {
		mCollapseOffset = Math.min(mCollapseOffset, mCollapsibleHeight);
		@@ -734,4 +761,15 @@ public class ResolverDrawerLayout extends ViewGroup {
		}
		};
		}

		public interface OnDismissedListener {
		public void onDismissed();
		}

		private class RunOnDismissedListener implements Runnable {
		@Override
		public void run() {
		dispatchOnDismissed();
		}
		}
		}