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Commit 72b14863 authored by James O'Leary's avatar James O'Leary Committed by Android (Google) Code Review
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Merge "Add shadow to assistant handles" into qt-qpr1-sysui-dev

parents cd6effce c445bbf3

packages/SystemUI/src/com/android/systemui/CornerHandleView.java

+18 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.systemui; 
import android.animation.ArgbEvaluator;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Path;

import android.graphics.RectF;
@@ -27,6 +28,7 @@ import android.util.DisplayMetrics; 
import android.view.ContextThemeWrapper;

import android.view.View;



import com.android.internal.graphics.ColorUtils;

import com.android.settingslib.Utils;



/**
@@ -107,6 +109,7 @@ public class CornerHandleView extends View { 
        mPaint.setColor((int) ArgbEvaluator.getInstance().evaluate(darkIntensity,

                mLightColor,

                mDarkColor));

        updateShadow();

        if (getVisibility() == VISIBLE) {

            invalidate();

        }
@@ -118,6 +121,21 @@ public class CornerHandleView extends View { 
        canvas.drawPath(mPath, mPaint);

    }



    private void updateShadow() {

        if (ColorUtils.calculateLuminance(mPaint.getColor()) > 0.7f) {

            mPaint.setShadowLayer(/** radius */ 5,/** shadowDx */ 0, /** shadowDy */ -1,

                    /** color */ ColorUtils.setAlphaComponent(/** color */ Color.BLACK,

                                                              /** alpha */ 102));

        } else {

            mPaint.setShadowLayer(/** radius */ 0, /** shadowDx */ 0, /** shadowDy */ 0,

                    /** color */ Color.TRANSPARENT);

        }



        if (getVisibility() == VISIBLE) {

            invalidate();

        }

    }



    private static float convertDpToPixel(float dp, Context context) {

        return dp * ((float) context.getResources().getDisplayMetrics().densityDpi

                / DisplayMetrics.DENSITY_DEFAULT);