am 61426f3d: Merge "Remove the handle headroom if the challenge is open." into... (cc3e894a) · Commits · e / os / android_frameworks_base

policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java

+46 −26

Original line number	Diff line number	Diff line
		@@ -82,7 +82,8 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		private VelocityTracker mVelocityTracker;
		private int mMinVelocity;
		private int mMaxVelocity;
		private float mLastTouchY;
		private float mGestureStartY; // where did you touch the screen to start this gesture?
		private int mGestureStartChallengeBottom; // where was the challenge at that time?
		private int mDragHandleSize; // handle hitrect extension into the challenge view
		private int mDragHandleHeadroom; // extend the handle's hitrect this far above the line
		private int mDragHandleEdgeSlop;
		@@ -469,7 +470,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		final int action = ev.getActionMasked();
		switch (action) {
		case MotionEvent.ACTION_DOWN:
		mLastTouchY = ev.getY();
		mGestureStartY = ev.getY();
		break;

		case MotionEvent.ACTION_CANCEL:
		@@ -484,11 +485,12 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		final float y = ev.getY(i);

		if (!mIsBouncing &&
		(isInDragHandle(x, y) \|\| crossedDragHandle(x, y, mLastTouchY) \|\|
		(isInDragHandle(x, y) \|\| crossedDragHandle(x, y, mGestureStartY) \|\|
		(isInChallengeView(x, y) && mScrollState == SCROLL_STATE_SETTLING)) &&
		mActivePointerId == INVALID_POINTER) {
		mActivePointerId = ev.getPointerId(i);
		mLastTouchY = y;
		mGestureStartY = ev.getY();
		mGestureStartChallengeBottom = getChallengeBottom();
		mDragging = true;
		} else if (isInChallengeView(x, y)) {
		mBlockDrag = true;
		@@ -547,10 +549,12 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		final float x = ev.getX(i);
		final float y = ev.getY(i);

		if ((isInDragHandle(x, y) \|\| crossedDragHandle(x, y, mLastTouchY) \|\|
		if ((isInDragHandle(x, y) \|\| crossedDragHandle(x, y, mGestureStartY) \|\|
		(isInChallengeView(x, y) && mScrollState == SCROLL_STATE_SETTLING))
		&& mActivePointerId == INVALID_POINTER) {
		mGestureStartY = y;
		mActivePointerId = ev.getPointerId(i);
		mGestureStartChallengeBottom = getChallengeBottom();
		mDragging = true;
		break;
		}
		@@ -570,20 +574,25 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		showChallenge(0);
		return true;
		}
		final float y = Math.max(ev.getY(index),
		getChallengeOpenedTop() - mDragHandleHeadroom);
		final float delta = y - mLastTouchY;
		final int idelta = (int) delta;
		// Don't lose the rounded component
		mLastTouchY = y + delta - idelta;
		final float y = ev.getY(index);
		final float pos = Math.min(y - mGestureStartY,
		getChallengeOpenedTop());

		moveChallengeBy(idelta);
		moveChallengeTo(mGestureStartChallengeBottom + (int) pos);
		}
		break;
		}
		return true;
		}

		/**
		* We only want to add additional vertical space to the drag handle when the panel is fully
		* closed.
		*/
		private int getDragHandleHeadroom() {
		return isChallengeShowing() ? 0 : mDragHandleHeadroom;
		}

		private boolean isInChallengeView(float x, float y) {
		if (mChallengeView == null) return false;

		@@ -595,16 +604,16 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		if (mChallengeView == null) return false;

		return x >= mDragHandleEdgeSlop &&
		y >= mChallengeView.getTop() - mDragHandleHeadroom &&
		y >= mChallengeView.getTop() - getDragHandleHeadroom() &&
		x < getWidth() - mDragHandleEdgeSlop &&
		y < mChallengeView.getTop() + mDragHandleSize;
		}

		private boolean crossedDragHandle(float x, float y, float lastY) {
		private boolean crossedDragHandle(float x, float y, float initialY) {
		final int challengeTop = mChallengeView.getTop();
		return x >= 0 &&
		x < getWidth() &&
		lastY < (challengeTop - mDragHandleHeadroom) &&
		initialY < (challengeTop - getDragHandleHeadroom()) &&
		y > challengeTop + mDragHandleSize;
		}

		@@ -734,7 +743,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		debugPaint.setColor(0x40FF00CC);
		// show the isInDragHandle() rect
		c.drawRect(mDragHandleEdgeSlop,
		mChallengeView.getTop() - mDragHandleHeadroom,
		mChallengeView.getTop() - getDragHandleHeadroom(),
		getWidth() - mDragHandleEdgeSlop,
		mChallengeView.getTop() + mDragHandleSize,
		debugPaint);
		@@ -790,8 +799,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		return false;
		}

		final int bottomMargin = ((LayoutParams) mChallengeView.getLayoutParams()).bottomMargin;
		final int layoutBottom = getHeight() - getPaddingBottom() - bottomMargin;
		final int layoutBottom = getLayoutBottom();
		final int challengeHeight = mChallengeView.getHeight();

		bottom = Math.max(layoutBottom,
		@@ -814,20 +822,32 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		return true;
		}

		/**
		* The bottom edge of this SlidingChallengeLayout's coordinate system; will coincide with
		* the bottom edge of mChallengeView when the challenge is fully opened.
		*/
		private int getLayoutBottom() {
		final int bottomMargin = (mChallengeView == null)
		? 0
		: ((LayoutParams) mChallengeView.getLayoutParams()).bottomMargin;
		final int layoutBottom = getHeight() - getPaddingBottom() - bottomMargin;
		return layoutBottom;
		}

		/**
		* The bottom edge of mChallengeView; essentially, where the sliding challenge 'is'.
		*/
		private int getChallengeBottom() {
		if (mChallengeView == null) return 0;

		return mChallengeView.getBottom();
		}

		/**
		* The top edge of the challenge if it were fully opened.
		*/
		private int getChallengeOpenedTop() {
		final int paddedBottom = getHeight() - getPaddingBottom();
		if (mChallengeView == null) return paddedBottom;

		final int bottomMargin = ((LayoutParams) mChallengeView.getLayoutParams()).bottomMargin;
		final int layoutBottom = paddedBottom - bottomMargin;

		return layoutBottom - mChallengeView.getHeight();
		return getLayoutBottom() - ((mChallengeView == null) ? 0 : mChallengeView.getHeight());
		}

		private void moveChallengeBy(int delta) {