Adding a button for expanding the clock screen challenge. (74bdd216) · Commits · e / os / android_frameworks_base

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

+85 −105

Original line number	Diff line number	Diff line
		@@ -29,12 +29,14 @@ import android.graphics.drawable.Drawable;
		import android.util.AttributeSet;
		import android.util.FloatProperty;
		import android.util.Log;
		import android.util.MathUtils;
		import android.util.Property;
		import android.view.MotionEvent;
		import android.view.VelocityTracker;
		import android.view.View;
		import android.view.ViewConfiguration;
		import android.view.ViewGroup;
		import android.view.accessibility.AccessibilityManager;
		import android.view.animation.Interpolator;
		import android.widget.Scroller;

		@@ -56,18 +58,15 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		private static final int DRAG_HANDLE_OPEN_ABOVE = 8; // dp
		private static final int DRAG_HANDLE_OPEN_BELOW = 0; // dp

		private static final boolean OPEN_ON_CLICK = true;

		private static final int HANDLE_ANIMATE_DURATION = 200; // ms

		// Drawn to show the drag handle in closed state; crossfades to the challenge view
		// when challenge is fully visible
		private Drawable mHandleDrawable;
		private Drawable mFrameDrawable;
		private Drawable mDragIconDrawable;
		private boolean mEdgeCaptured;

		// Initialized during measurement from child layoutparams
		private View mExpandChallengeView;
		private View mChallengeView;
		private View mScrimView;
		private View mWidgetsView;
		@@ -113,6 +112,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		// that should remain on-screen

		private int mTouchSlop;
		private int mTouchSlopSquare;

		float mHandleAlpha;
		float mFrameAlpha;
		@@ -184,6 +184,15 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		}
		};

		private final OnClickListener mExpandChallengeClickListener = new OnClickListener() {
		@Override
		public void onClick(View v) {
		if (!isChallengeShowing()) {
		showChallenge(true);
		}
		}
		};

		/**
		* Listener interface that reports changes in scroll state of the challenge area.
		*/
		@@ -235,13 +244,6 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		public SlidingChallengeLayout(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);

		final TypedArray a = context.obtainStyledAttributes(attrs,
		R.styleable.SlidingChallengeLayout, defStyle, 0);
		setDragDrawables(a.getDrawable(R.styleable.SlidingChallengeLayout_dragHandle),
		a.getDrawable(R.styleable.SlidingChallengeLayout_dragIcon));

		a.recycle();

		mScroller = new Scroller(context, sMotionInterpolator);

		final ViewConfiguration vc = ViewConfiguration.get(context);
		@@ -252,6 +254,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		mDragHandleEdgeSlop = res.getDimensionPixelSize(R.dimen.kg_edge_swipe_region_size);

		mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
		mTouchSlopSquare = mTouchSlop * mTouchSlop;

		final float density = res.getDisplayMetrics().density;

		@@ -267,15 +270,6 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		setWillNotDraw(false);
		}

		public void setDragDrawables(Drawable handle, Drawable icon) {
		mHandleDrawable = handle;
		mDragIconDrawable = icon;
		}

		public void setDragIconDrawable(Drawable d) {
		mDragIconDrawable = d;
		}

		public void showHandle(boolean visible) {
		if (visible) {
		if (mHandleAnimation != null) {
		@@ -469,7 +463,27 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		}

		private void setChallengeShowing(boolean showChallenge) {
		if (mChallengeShowing == showChallenge) {
		return;
		}
		mChallengeShowing = showChallenge;
		if (mChallengeShowing) {
		mExpandChallengeView.setVisibility(View.INVISIBLE);
		mChallengeView.setVisibility(View.VISIBLE);
		if (AccessibilityManager.getInstance(mContext).isEnabled()) {
		mChallengeView.requestAccessibilityFocus();
		mChallengeView.announceForAccessibility(mContext.getString(
		R.string.keyguard_accessibility_unlock_area_expanded));
		}
		} else {
		mExpandChallengeView.setVisibility(View.VISIBLE);
		mChallengeView.setVisibility(View.INVISIBLE);
		if (AccessibilityManager.getInstance(mContext).isEnabled()) {
		mExpandChallengeView.requestAccessibilityFocus();
		mChallengeView.announceForAccessibility(mContext.getString(
		R.string.keyguard_accessibility_unlock_area_collapsed));
		}
		}
		}

		/**
		@@ -573,12 +587,12 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		for (int i = 0; i < count; i++) {
		final float x = ev.getX(i);
		final float y = ev.getY(i);

		if (!mIsBouncing &&
		(isInDragHandle(x, y) \|\| crossedDragHandle(x, y, mGestureStartY) \|\|
		(isInChallengeView(x, y) &&
		(mScrollState == SCROLL_STATE_SETTLING \|\| !mChallengeShowing))) &&
		mActivePointerId == INVALID_POINTER) {
		if (!mIsBouncing && mActivePointerId == INVALID_POINTER
		&& ((isInDragHandle(x, y) && MathUtils.sq(x - mGestureStartX)
		+ MathUtils.sq(y - mGestureStartY) > mTouchSlopSquare)
		\|\| crossedDragHandle(x, y, mGestureStartY)
		\|\| (isInChallengeView(x, y) && (mScrollState == SCROLL_STATE_SETTLING
		\|\| !mChallengeShowing)))) {
		mActivePointerId = ev.getPointerId(i);
		mGestureStartX = x;
		mGestureStartY = y;
		@@ -634,12 +648,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		break;
		}
		case MotionEvent.ACTION_UP:
		if (OPEN_ON_CLICK
		&& isInDragHandle(mGestureStartX, mGestureStartY)
		&& Math.abs(ev.getX() - mGestureStartX) <= mTouchSlop
		&& Math.abs(ev.getY() - mGestureStartY) <= mTouchSlop) {
		showChallenge(true);
		} else if (mDragging) {
		if (mDragging) {
		mVelocityTracker.computeCurrentVelocity(1000, mMaxVelocity);
		showChallenge((int) mVelocityTracker.getYVelocity(mActivePointerId));
		}
		@@ -749,19 +758,19 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		}

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

		return x >= mChallengeView.getLeft() && y >= mChallengeView.getTop() &&
		x < mChallengeView.getRight() && y < mChallengeView.getBottom();
		return isPointInView(x, y, mChallengeView);
		}

		private boolean isInDragHandle(float x, float y) {
		if (mChallengeView == null) return false;
		return isPointInView(x, y, mExpandChallengeView);
		}

		return x >= mDragHandleEdgeSlop &&
		y >= mChallengeView.getTop() - getDragHandleSizeAbove() &&
		x < getWidth() - mDragHandleEdgeSlop &&
		y < mChallengeView.getTop() + getDragHandleSizeBelow();
		private boolean isPointInView(float x, float y, View view) {
		if (view == null) {
		return false;
		}
		return x >= view.getLeft() && y >= view.getTop()
		&& x < view.getRight() && y < view.getBottom();
		}

		private boolean crossedDragHandle(float x, float y, float initialY) {
		@@ -786,7 +795,9 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout

		// Find one and only one challenge view.
		final View oldChallengeView = mChallengeView;
		final View oldExpandChallengeView = mChallengeView;
		mChallengeView = null;
		mExpandChallengeView = null;
		final int count = getChildCount();

		// First iteration through the children finds special children and sets any associated
		@@ -794,7 +805,6 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		for (int i = 0; i < count; i++) {
		final View child = getChildAt(i);
		final LayoutParams lp = (LayoutParams) child.getLayoutParams();

		if (lp.childType == LayoutParams.CHILD_TYPE_CHALLENGE) {
		if (mChallengeView != null) {
		throw new IllegalStateException(
		@@ -806,31 +816,42 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		}
		// We're going to play silly games with the frame's background drawable later.
		mFrameDrawable = mChallengeView.getBackground();

		if (!mHasLayout) {
		// Set up the margin correctly based on our content for the first run.
		mHasGlowpad = child.findViewById(R.id.keyguard_selector_view) != null;
		lp.leftMargin = lp.rightMargin = getChallengeMargin(true);
		}
		} else if (lp.childType == LayoutParams.CHILD_TYPE_EXPAND_CHALLENGE_HANDLE) {
		if (mExpandChallengeView != null) {
		throw new IllegalStateException(
		"There may only be one child with layout_childType"
		+ "=\"expandChallengeHandle\"");
		}
		mExpandChallengeView = child;
		if (mExpandChallengeView != oldExpandChallengeView) {
		mExpandChallengeView.setVisibility(mChallengeShowing ? INVISIBLE : VISIBLE);
		mExpandChallengeView.setOnClickListener(mExpandChallengeClickListener);
		}
		} else if (lp.childType == LayoutParams.CHILD_TYPE_SCRIM) {
		setScrimView(child);
		} else if (lp.childType == LayoutParams.CHILD_TYPE_WIDGETS) {
		mWidgetsView = child;
		}

		if (child.getVisibility() == GONE) continue;
		}

		// We want to measure the challenge view first, since the KeyguardWidgetPager
		// needs to do things its measure pass that are dependent on the challenge view
		// having been measured.
		if (mChallengeView != null) {
		if (mChallengeView != null && mChallengeView.getVisibility() != View.GONE) {
		measureChildWithMargins(mChallengeView, widthSpec, 0, heightSpec, 0);
		}

		// Measure the rest of the children
		for (int i = 0; i < count; i++) {
		final View child = getChildAt(i);
		if (child.getVisibility() == GONE) {
		continue;
		}
		// Don't measure the challenge view twice!
		if (child != mChallengeView) {
		measureChildWithMargins(child, widthSpec, 0, heightSpec, 0);
		@@ -869,6 +890,8 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		* (1 - mChallengeOffset));
		child.setAlpha(getChallengeAlpha());
		child.layout(left, bottom - childHeight, left + childWidth, bottom);
		} else if (lp.childType == LayoutParams.CHILD_TYPE_EXPAND_CHALLENGE_HANDLE) {
		child.layout(0, b - mChallengeBottomBound, width, b);
		} else {
		// Non-challenge views lay out from the upper left, layered.
		child.layout(paddingLeft + lp.leftMargin,
		@@ -886,33 +909,11 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		}
		}

		public void computeScroll() {
		super.computeScroll();

		if (!mScroller.isFinished()) {
		if (mChallengeView == null) {
		// Can't scroll if the view is missing.
		Log.e(TAG, "Challenge view missing in computeScroll");
		mScroller.abortAnimation();
		return;
		}

		mScroller.computeScrollOffset();
		moveChallengeTo(mScroller.getCurrY());

		if (mScroller.isFinished()) {
		post(mEndScrollRunnable);
		}
		}
		}

		@Override
		public void draw(Canvas c) {
		super.draw(c);

		final Paint debugPaint;
		if (DEBUG) {
		debugPaint = new Paint();
		final Paint debugPaint = new Paint();
		debugPaint.setColor(0x40FF00CC);
		// show the isInDragHandle() rect
		c.drawRect(mDragHandleEdgeSlop,
		@@ -921,46 +922,24 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		mChallengeView.getTop() + getDragHandleSizeBelow(),
		debugPaint);
		}

		if (mChallengeView != null && mHandleAlpha > 0) {
		final int top = mChallengeView.getTop();
		final int handleHeight;
		final int challengeLeft = mChallengeView.getLeft();
		final int challengeRight = mChallengeView.getRight();
		if (mHandleDrawable != null) {
		handleHeight = mHandleDrawable.getIntrinsicHeight();
		mHandleDrawable.setBounds(challengeLeft, top, challengeRight, top + handleHeight);
		mHandleDrawable.setAlpha((int) (mHandleAlpha * 0xFF));
		mHandleDrawable.draw(c);
		} else {
		handleHeight = 0;
		}

		if (DEBUG) {
		// now show the actual drag handle
		debugPaint.setStyle(Paint.Style.STROKE);
		debugPaint.setStrokeWidth(1);
		debugPaint.setColor(0xFF80FF00);
		c.drawRect(challengeLeft, top, challengeRight, top + handleHeight, debugPaint);
		}

		if (mDragIconDrawable != null) {
		final int closedTop = getLayoutBottom() - mDragHandleClosedBelow;
		final int iconWidth = mDragIconDrawable.getIntrinsicWidth();
		final int iconHeight = mDragIconDrawable.getIntrinsicHeight();
		final int iconLeft = (challengeLeft + challengeRight - iconWidth) / 2;
		final int iconTop = closedTop +
		(mDragHandleClosedBelow - mDragHandleClosedAbove - iconHeight) / 2;
		mDragIconDrawable.setBounds(iconLeft, iconTop, iconLeft + iconWidth,
		iconTop + iconHeight);
		mDragIconDrawable.setAlpha((int) (mHandleAlpha * 0xFF));
		mDragIconDrawable.draw(c);
		public void computeScroll() {
		super.computeScroll();

		if (DEBUG) {
		debugPaint.setColor(0xFF00FF00);
		c.drawRect(iconLeft, iconTop, iconLeft + iconWidth,
		iconTop + iconHeight, debugPaint);
		if (!mScroller.isFinished()) {
		if (mChallengeView == null) {
		// Can't scroll if the view is missing.
		Log.e(TAG, "Challenge view missing in computeScroll");
		mScroller.abortAnimation();
		return;
		}

		mScroller.computeScrollOffset();
		moveChallengeTo(mScroller.getCurrY());

		if (mScroller.isFinished()) {
		post(mEndScrollRunnable);
		}
		}
		}
		@@ -1096,6 +1075,7 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
		public static final int CHILD_TYPE_CHALLENGE = 2;
		public static final int CHILD_TYPE_SCRIM = 4;
		public static final int CHILD_TYPE_WIDGETS = 5;
		public static final int CHILD_TYPE_EXPAND_CHALLENGE_HANDLE = 6;

		public LayoutParams() {
		this(MATCH_PARENT, WRAP_CONTENT);