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Commit bd44e93c authored by Christian Göllner's avatar Christian Göllner Committed by Automerger Merge Worker
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Merge "Improve visual debugging for NotificationStackScrollLayout" into sc-v2-dev am: 53210252 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16388646

Change-Id: I2ae0bec9401914d00fd2d23d0d74234c231856bd
parents 1d688e7f 53210252

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java

+45 −23
Original line number Diff line number Diff line
@@ -119,6 +119,7 @@ import java.util.Collections; 
import java.util.Comparator;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

import java.util.function.BiConsumer;

import java.util.function.Consumer;
@@ -726,36 +727,57 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable 
        }



        if (DEBUG) {

            onDrawDebug(canvas);

        }

    }



    /** Used to track the Y positions that were already used to draw debug text labels. */

    private static final Set<Integer> DEBUG_TEXT_USED_Y_POSITIONS =

            DEBUG ? new HashSet<>() : Collections.emptySet();



    private void onDrawDebug(Canvas canvas) {

        DEBUG_TEXT_USED_Y_POSITIONS.clear();



        int y = mTopPadding;

            mDebugPaint.setColor(Color.RED);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.RED, /* label= */ "mTopPadding");



        y = getLayoutHeight();

            mDebugPaint.setColor(Color.YELLOW);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.YELLOW, /* label= */ "getLayoutHeight()");



        y = (int) mMaxLayoutHeight;

            mDebugPaint.setColor(Color.MAGENTA);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.MAGENTA, /* label= */ "mMaxLayoutHeight");



        if (mKeyguardBottomPadding >= 0) {

            y = getHeight() - (int) mKeyguardBottomPadding;

                mDebugPaint.setColor(Color.GRAY);

                canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

            drawDebugInfo(canvas, y, Color.GRAY,

                    /* label= */ "getHeight() - mKeyguardBottomPadding");

        }



        y = getHeight() - getEmptyBottomMargin();

            mDebugPaint.setColor(Color.GREEN);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.GREEN, /* label= */ "getHeight() - getEmptyBottomMargin()");



        y = (int) (mAmbientState.getStackY());

            mDebugPaint.setColor(Color.CYAN);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.CYAN, /* label= */ "mAmbientState.getStackY()");



        y = (int) (mAmbientState.getStackY() + mAmbientState.getStackHeight());

            mDebugPaint.setColor(Color.BLUE);

            canvas.drawLine(0, y, getWidth(), y, mDebugPaint);

        drawDebugInfo(canvas, y, Color.BLUE,

                /* label= */ "mAmbientState.getStackY() + mAmbientState.getStackHeight()");

    }



    private void drawDebugInfo(Canvas canvas, int y, int color, String label) {

        mDebugPaint.setColor(color);

        canvas.drawLine(/* startX= */ 0, /* startY= */ y, /* stopX= */ getWidth(), /* stopY= */ y,

                mDebugPaint);

        canvas.drawText(label, /* x= */ 0, /* y= */ computeDebugYTextPosition(y), mDebugPaint);

    }



    private int computeDebugYTextPosition(int lineY) {

        int textY = lineY;

        while (DEBUG_TEXT_USED_Y_POSITIONS.contains(textY)) {

            textY = (int) (textY + mDebugPaint.getTextSize());

        }

        DEBUG_TEXT_USED_Y_POSITIONS.add(textY);

        return textY;

    }



    @ShadeViewRefactor(RefactorComponent.DECORATOR)