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Commit 6d90cdfe authored by Mill Chen's avatar Mill Chen
Browse files

Broadcast an intent after turning off Grayscale 

Settings will send a broadcast when the user disable Grayscale in
Settings. Also, Settings registers a broadcast receiver to monitor the
status changed of Grayscale.

Bug: 118387886
Test: robotests
Change-Id: I92d1b9adf7a600b4abac943ebbd5a11d02d3d1b8
parent c5dd4e50

src/com/android/settings/homepage/contextualcards/conditional/GrayscaleConditionController.java

+27 −1
Original line number Diff line number Diff line
@@ -16,9 +16,12 @@ 


package com.android.settings.homepage.contextualcards.conditional;



import android.Manifest;

import android.app.settings.SettingsEnums;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.hardware.display.ColorDisplayManager;

import android.util.Log;
@@ -32,10 +35,15 @@ public class GrayscaleConditionController implements ConditionalCardController { 
    static final int ID = Objects.hash("GrayscaleConditionController");



    private static final String TAG = "GrayscaleCondition";

    private static final String ACTION_GRAYSCALE_CHANGED =

            "android.settings.action.GRAYSCALE_CHANGED";

    private static final IntentFilter GRAYSCALE_CHANGED_FILTER = new IntentFilter(

            ACTION_GRAYSCALE_CHANGED);



    private final Context mAppContext;

    private final ConditionManager mConditionManager;

    private final ColorDisplayManager mColorDisplayManager;

    private final Receiver mReceiver;



    private Intent mIntent;
@@ -43,6 +51,7 @@ public class GrayscaleConditionController implements ConditionalCardController { 
        mAppContext = appContext;

        mConditionManager = conditionManager;

        mColorDisplayManager = mAppContext.getSystemService(ColorDisplayManager.class);

        mReceiver = new Receiver();

    }



    @Override
@@ -72,6 +81,7 @@ public class GrayscaleConditionController implements ConditionalCardController { 
    public void onActionClick() {

        // Turn off grayscale

        mColorDisplayManager.setSaturationLevel(100 /* staturationLevel */);

        sendBroadcast();

        mConditionManager.onConditionChanged();

    }
@@ -93,11 +103,27 @@ public class GrayscaleConditionController implements ConditionalCardController { 


    @Override

    public void startMonitoringStateChange() {



        mAppContext.registerReceiver(mReceiver, GRAYSCALE_CHANGED_FILTER,

                Manifest.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS, null /* scheduler */);

    }



    @Override

    public void stopMonitoringStateChange() {

        mAppContext.unregisterReceiver(mReceiver);

    }



    private void sendBroadcast() {

        final Intent intent = new Intent();

        intent.setAction(ACTION_GRAYSCALE_CHANGED);

        mAppContext.sendBroadcast(intent, Manifest.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS);

    }



    public class Receiver extends BroadcastReceiver {

        @Override

        public void onReceive(Context context, Intent intent) {

            if (ACTION_GRAYSCALE_CHANGED.equals(intent.getAction())) {

                mConditionManager.onConditionChanged();

            }

        }

    }

}

tests/robotests/src/com/android/settings/homepage/contextualcards/conditional/GrayscaleConditionControllerTest.java

+9 −0
Original line number Diff line number Diff line
@@ -18,11 +18,13 @@ package com.android.settings.homepage.contextualcards.conditional; 


import static com.google.common.truth.Truth.assertThat;



import static org.mockito.ArgumentMatchers.any;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;



import android.content.Context;

import android.content.Intent;

import android.hardware.display.ColorDisplayManager;



import org.junit.Before;
@@ -80,4 +82,11 @@ public class GrayscaleConditionControllerTest { 


        verify(mConditionManager).onConditionChanged();

    }



    @Test

    public void onActionClick_shouldSendBroadcast() {

        mController.onActionClick();



        verify(mContext).sendBroadcast(any(Intent.class), any(String.class));

    }

}