Merge "Trace MessagingLinearLayout" into main (9be7ec4a) · Commits · e / os / android_frameworks_base

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

+30 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,8 @@ import android.annotation.Px;
		import android.content.Context;
		import android.content.res.TypedArray;
		import android.graphics.Canvas;
		import android.os.Build;
		import android.os.Trace;
		import android.util.AttributeSet;
		import android.view.RemotableViewMethod;
		import android.view.View;
		@@ -45,6 +47,8 @@ public class MessagingLinearLayout extends ViewGroup {

		private int mMaxDisplayedLines = Integer.MAX_VALUE;

		private static final boolean TRACE_ONMEASURE = Build.isDebuggable();

		public MessagingLinearLayout(Context context, @Nullable AttributeSet attrs) {
		super(context, attrs);

		@@ -67,6 +71,10 @@ public class MessagingLinearLayout extends ViewGroup {

		@Override
		protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
		if (TRACE_ONMEASURE) {
		Trace.beginSection("MessagingLinearLayout#onMeasure");
		trackMeasureSpecs(widthMeasureSpec, heightMeasureSpec);
		}
		// This is essentially a bottom-up linear layout that only adds children that fit entirely
		// up to a maximum height.
		int targetHeight = MeasureSpec.getSize(heightMeasureSpec);
		@@ -177,6 +185,9 @@ public class MessagingLinearLayout extends ViewGroup {
		resolveSize(Math.max(getSuggestedMinimumWidth(), measuredWidth),
		widthMeasureSpec),
		Math.max(getSuggestedMinimumHeight(), totalHeight));
		if (TRACE_ONMEASURE) {
		Trace.endSection();
		}
		}

		@Override
		@@ -240,6 +251,25 @@ public class MessagingLinearLayout extends ViewGroup {
		}
		}

		private void trackMeasureSpecs(int widthMeasureSpec, int heightMeasureSpec) {
		if (!TRACE_ONMEASURE) {
		return;
		}

		final int availableWidth = MeasureSpec.getSize(widthMeasureSpec);
		final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
		final int availableHeight = MeasureSpec.getSize(heightMeasureSpec);
		final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
		Trace.setCounter("MessagingLinearLayout#onMeasure_widthMeasureSpecSize",
		availableWidth);
		Trace.setCounter("MessagingLinearLayout#onMeasure_widthMeasureSpecMode",
		widthMode);
		Trace.setCounter("MessagingLinearLayout#onMeasure_heightMeasureSpecSize",
		availableHeight);
		Trace.setCounter("MessagingLinearLayout#onMeasure_heightMeasureSpecMode",
		heightMode);
		}

		@Override
		protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
		final LayoutParams lp = (LayoutParams) child.getLayoutParams();