am de565f3b: am 7136544c: Merge "Keyguard - MultiPaneChallengeLayout... (f2d7c67f) · Commits · e / os / android_frameworks_base

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

+60 −42

Original line number	Diff line number	Diff line
		@@ -16,21 +16,22 @@

		package com.android.internal.policy.impl.keyguard;

		import com.android.internal.R;

		import android.animation.Animator;
		import android.animation.AnimatorSet;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.ObjectAnimator;
		import android.content.Context;
		import android.content.res.Resources;
		import android.content.res.TypedArray;
		import android.graphics.Rect;
		import android.util.AttributeSet;
		import android.util.DisplayMetrics;
		import android.view.Gravity;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.LinearLayout;

		import com.android.internal.R;

		public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayout {
		private static final String TAG = "MultiPaneChallengeLayout";

		@@ -47,7 +48,8 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		private OnBouncerStateChangedListener mBouncerListener;

		private final Rect mTempRect = new Rect();
		private final Context mContext;

		private final DisplayMetrics mDisplayMetrics;

		private final OnClickListener mScrimClickListener = new OnClickListener() {
		@Override
		@@ -67,13 +69,14 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		public MultiPaneChallengeLayout(Context context, AttributeSet attrs, int defStyleAttr) {
		super(context, attrs, defStyleAttr);

		mContext = context;

		final TypedArray a = context.obtainStyledAttributes(attrs,
		R.styleable.MultiPaneChallengeLayout, defStyleAttr, 0);
		mOrientation = a.getInt(R.styleable.MultiPaneChallengeLayout_orientation,
		HORIZONTAL);
		a.recycle();

		final Resources res = getResources();
		mDisplayMetrics = res.getDisplayMetrics();
		}

		@Override
		@@ -169,15 +172,32 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		mScrimView.setOnClickListener(mScrimClickListener);
		}

		private int getVirtualHeight(LayoutParams lp, int height, int heightUsed) {
		int virtualHeight = height;
		final View root = getRootView();
		if (root != null) {
		// This calculation is super dodgy and relies on several assumptions.
		// Specifically that the root of the window will be padded in for insets
		// and that the window is LAYOUT_IN_SCREEN.
		virtualHeight = mDisplayMetrics.heightPixels - root.getPaddingTop();
		}
		if (lp.childType == LayoutParams.CHILD_TYPE_WIDGET \|\|
		lp.childType == LayoutParams.CHILD_TYPE_USER_SWITCHER) {
		// Always measure the widget pager/user switcher as if there were no IME insets
		// on the window. We want to avoid resizing widgets when possible as it can
		// be ugly/expensive. This lets us simply clip them instead.
		return virtualHeight - heightUsed;
		}
		return Math.min(virtualHeight - heightUsed, height);
		}

		@Override
		protected void onMeasure(int widthSpec, int heightSpec) {
		protected void onMeasure(final int widthSpec, final int heightSpec) {
		if (MeasureSpec.getMode(widthSpec) != MeasureSpec.EXACTLY \|\|
		MeasureSpec.getMode(heightSpec) != MeasureSpec.EXACTLY) {
		throw new IllegalArgumentException(
		"MultiPaneChallengeLayout must be measured with an exact size");
		}
		float squashedLayoutThreshold =
		mContext.getResources().getDimension(R.dimen.kg_squashed_layout_threshold);

		final int width = MeasureSpec.getSize(widthSpec);
		final int height = MeasureSpec.getSize(heightSpec);
		@@ -213,21 +233,16 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		mUserSwitcherView = child;

		if (child.getVisibility() == GONE) continue;
		if (height < squashedLayoutThreshold) {
		int zero = MeasureSpec.makeMeasureSpec(0, MeasureSpec.EXACTLY);
		measureChild(child, zero, zero);
		} else {

		int adjustedWidthSpec = widthSpec;
		int adjustedHeightSpec = heightSpec;
		if (lp.maxWidth >= 0) {
		adjustedWidthSpec = MeasureSpec.makeMeasureSpec(
		Math.min(lp.maxWidth, MeasureSpec.getSize(widthSpec)),
		MeasureSpec.EXACTLY);
		Math.min(lp.maxWidth, width), MeasureSpec.EXACTLY);
		}
		if (lp.maxHeight >= 0) {
		adjustedHeightSpec = MeasureSpec.makeMeasureSpec(
		Math.min(lp.maxHeight, MeasureSpec.getSize(heightSpec)),
		MeasureSpec.EXACTLY);
		Math.min(lp.maxHeight, height), MeasureSpec.EXACTLY);
		}
		// measureChildWithMargins will resolve layout direction for the LayoutParams
		measureChildWithMargins(child, adjustedWidthSpec, 0, adjustedHeightSpec, 0);
		@@ -239,7 +254,6 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		} else if (Gravity.isHorizontal(lp.gravity)) {
		widthUsed += child.getMeasuredWidth() * 1.5f;
		}
		}
		} else if (lp.childType == LayoutParams.CHILD_TYPE_SCRIM) {
		setScrimView(child);
		child.measure(widthSpec, heightSpec);
		@@ -258,6 +272,8 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		continue;
		}

		final int virtualHeight = getVirtualHeight(lp, height, heightUsed);

		int adjustedWidthSpec;
		int adjustedHeightSpec;
		if (lp.centerWithinArea > 0) {
		@@ -266,19 +282,19 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		(int) ((width - widthUsed) * lp.centerWithinArea + 0.5f),
		MeasureSpec.EXACTLY);
		adjustedHeightSpec = MeasureSpec.makeMeasureSpec(
		MeasureSpec.getSize(heightSpec) - heightUsed, MeasureSpec.EXACTLY);
		virtualHeight, MeasureSpec.EXACTLY);
		} else {
		adjustedWidthSpec = MeasureSpec.makeMeasureSpec(
		MeasureSpec.getSize(widthSpec) - widthUsed, MeasureSpec.EXACTLY);
		width - widthUsed, MeasureSpec.EXACTLY);
		adjustedHeightSpec = MeasureSpec.makeMeasureSpec(
		(int) ((height - heightUsed) * lp.centerWithinArea + 0.5f),
		(int) (virtualHeight * lp.centerWithinArea + 0.5f),
		MeasureSpec.EXACTLY);
		}
		} else {
		adjustedWidthSpec = MeasureSpec.makeMeasureSpec(
		MeasureSpec.getSize(widthSpec) - widthUsed, MeasureSpec.EXACTLY);
		width - widthUsed, MeasureSpec.EXACTLY);
		adjustedHeightSpec = MeasureSpec.makeMeasureSpec(
		MeasureSpec.getSize(heightSpec) - heightUsed, MeasureSpec.EXACTLY);
		virtualHeight, MeasureSpec.EXACTLY);
		}
		if (lp.maxWidth >= 0) {
		adjustedWidthSpec = MeasureSpec.makeMeasureSpec(
		@@ -331,6 +347,9 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		boolean adjustPadding) {
		final LayoutParams lp = (LayoutParams) child.getLayoutParams();

		final int heightUsed = padding.top + padding.bottom - getPaddingTop() - getPaddingBottom();
		height = getVirtualHeight(lp, height, heightUsed);

		final int gravity = Gravity.getAbsoluteGravity(lp.gravity, getLayoutDirection());

		final boolean fixedLayoutSize = lp.centerWithinArea > 0;
		@@ -382,8 +401,7 @@ public class MultiPaneChallengeLayout extends ViewGroup implements ChallengeLayo
		}
		break;
		case Gravity.CENTER_VERTICAL:
		final int paddedHeight = height - padding.top - padding.bottom;
		top = padding.top + (paddedHeight - childHeight) / 2;
		top = padding.top + (height - childHeight) / 2;
		bottom = top + childHeight;
		break;
		}