Merge "Skip 2nd measure pass whenever possible" (17e858a9) · Commits · e / os / android_frameworks_base

core/java/android/widget/RelativeLayout.java

+21 −23

Original line number	Diff line number	Diff line
		@@ -394,8 +394,6 @@ public class RelativeLayout extends ViewGroup {
		}
		}

		// TODO: we need to find another way to implement RelativeLayout
		// This implementation cannot handle every case
		@Override
		protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
		if (mDirtyHierarchy) {
		@@ -685,16 +683,28 @@ public class RelativeLayout extends ViewGroup {
		* @param myHeight Height of the RelativeLayout
		*/
		private void measureChild(View child, LayoutParams params, int myWidth, int myHeight) {
		int childWidthMeasureSpec = getChildMeasureSpec(params.mLeft,
		params.mRight, params.width,
		params.leftMargin, params.rightMargin,
		mPaddingLeft, mPaddingRight,
		myWidth);
		int childHeightMeasureSpec = getChildMeasureSpec(params.mTop,
		params.mBottom, params.height,
		params.topMargin, params.bottomMargin,
		mPaddingTop, mPaddingBottom,
		myHeight);
		switch (MeasureSpec.getMode(childHeightMeasureSpec)) {
		case MeasureSpec.AT_MOST:
		if (child.getMeasuredHeight() <= MeasureSpec.getSize(childHeightMeasureSpec)) {
		return;
		}
		break;
		case MeasureSpec.EXACTLY:
		if (child.getMeasuredHeight() == MeasureSpec.getSize(childHeightMeasureSpec)) {
		return;
		}
		break;
		}
		int childWidthMeasureSpec = getChildMeasureSpec(params.mLeft,
		params.mRight, params.width,
		params.leftMargin, params.rightMargin,
		mPaddingLeft, mPaddingRight,
		myWidth);
		child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
		}

		@@ -900,8 +910,6 @@ public class RelativeLayout extends ViewGroup {
		} else if (childParams.alignWithParent && rules[LEFT_OF] != 0) {
		if (myWidth >= 0) {
		childParams.mRight = myWidth - mPaddingRight - childParams.rightMargin;
		} else {
		// FIXME uh oh...
		}
		}

		@@ -926,20 +934,16 @@ public class RelativeLayout extends ViewGroup {
		} else if (childParams.alignWithParent && rules[ALIGN_RIGHT] != 0) {
		if (myWidth >= 0) {
		childParams.mRight = myWidth - mPaddingRight - childParams.rightMargin;
		} else {
		// FIXME uh oh...
		}
		}

		if (0 != rules[ALIGN_PARENT_LEFT]) {
		if (rules[ALIGN_PARENT_LEFT] != 0) {
		childParams.mLeft = mPaddingLeft + childParams.leftMargin;
		}

		if (0 != rules[ALIGN_PARENT_RIGHT]) {
		if (rules[ALIGN_PARENT_RIGHT] != 0) {
		if (myWidth >= 0) {
		childParams.mRight = myWidth - mPaddingRight - childParams.rightMargin;
		} else {
		// FIXME uh oh...
		}
		}
		}
		@@ -958,8 +962,6 @@ public class RelativeLayout extends ViewGroup {
		} else if (childParams.alignWithParent && rules[ABOVE] != 0) {
		if (myHeight >= 0) {
		childParams.mBottom = myHeight - mPaddingBottom - childParams.bottomMargin;
		} else {
		// FIXME uh oh...
		}
		}

		@@ -984,20 +986,16 @@ public class RelativeLayout extends ViewGroup {
		} else if (childParams.alignWithParent && rules[ALIGN_BOTTOM] != 0) {
		if (myHeight >= 0) {
		childParams.mBottom = myHeight - mPaddingBottom - childParams.bottomMargin;
		} else {
		// FIXME uh oh...
		}
		}

		if (0 != rules[ALIGN_PARENT_TOP]) {
		if (rules[ALIGN_PARENT_TOP] != 0) {
		childParams.mTop = mPaddingTop + childParams.topMargin;
		}

		if (0 != rules[ALIGN_PARENT_BOTTOM]) {
		if (rules[ALIGN_PARENT_BOTTOM] != 0) {
		if (myHeight >= 0) {
		childParams.mBottom = myHeight - mPaddingBottom - childParams.bottomMargin;
		} else {
		// FIXME uh oh...
		}
		}