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Commit e7e095c4 authored by Ibrahim Yilmaz's avatar Ibrahim Yilmaz
Browse files

Trace MessagingLinearLayout 

Bug: 316110233
Test: presubmit
Flag: None
Change-Id: Ia5ffd7f71cc08f67873fbea2bfe21803e7053180
parent 60dc8407

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();