With changes for limited connection mode (commons-app#3934)

* With changed for limited connection mode

* Java docs

* With minor fix

* Fix cosmetic issues

* Fix ANR

* Add Unit test

Author: maskaravivek

app/src/main/java/fr/free/nrw/commons/CommonsApplication.java

@@ -36,6 +36,7 @@
 import fr.free.nrw.commons.kvstore.JsonKvStore;
 import fr.free.nrw.commons.logging.FileLoggingTree;
 import fr.free.nrw.commons.logging.LogUtils;
+import fr.free.nrw.commons.media.CustomOkHttpNetworkFetcher;
 import fr.free.nrw.commons.settings.Prefs;
 import fr.free.nrw.commons.upload.FileUtils;
 import fr.free.nrw.commons.utils.ConfigUtils;
@@ -77,10 +78,19 @@
 )
 
 public class CommonsApplication extends MultiDexApplication {
-    @Inject SessionManager sessionManager;
-    @Inject DBOpenHelper dbOpenHelper;
 
-    @Inject @Named("default_preferences") JsonKvStore defaultPrefs;
+  public static final String IS_LIMITED_CONNECTION_MODE_ENABLED = "is_limited_connection_mode_enabled";
+  @Inject
+  SessionManager sessionManager;
+  @Inject
+  DBOpenHelper dbOpenHelper;
+
+  @Inject
+  @Named("default_preferences")
+  JsonKvStore defaultPrefs;
+
+  @Inject
+  CustomOkHttpNetworkFetcher customOkHttpNetworkFetcher;
 
     /**
      * Constants begin
@@ -147,6 +157,7 @@ public void onCreate() {
 
 //        Set DownsampleEnabled to True to downsample the image in case it's heavy
         ImagePipelineConfig config = ImagePipelineConfig.newBuilder(this)
+                .setNetworkFetcher(customOkHttpNetworkFetcher)
                 .setDownsampleEnabled(true)
                 .build();
         try {

app/src/main/java/fr/free/nrw/commons/contributions/Contribution.kt

@@ -84,6 +84,7 @@ data class Contribution constructor(
         const val STATE_QUEUED = 2
         const val STATE_IN_PROGRESS = 3
         const val STATE_PAUSED = 4
+        const val STATE_QUEUED_LIMITED_CONNECTION_MODE=5
 
         /**
          * Formatting captions to the Wikibase format for sending labels

app/src/main/java/fr/free/nrw/commons/contributions/ContributionDao.java

@@ -61,6 +61,9 @@ public Completable delete(final Contribution contribution) {
   @Query("SELECT * from contribution WHERE pageId=:pageId")
   public abstract Contribution getContribution(String pageId);
 
+  @Query("SELECT * from contribution WHERE state=:state")
+  public abstract Single<List<Contribution>> getContribution(int state);
+
   @Query("UPDATE contribution SET state=:state WHERE state in (:toUpdateStates)")
   public abstract Single<Integer> updateStates(int state, int[] toUpdateStates);
 

app/src/main/java/fr/free/nrw/commons/contributions/ContributionViewHolder.java

@@ -65,6 +65,11 @@ public void init(final int position, final Contribution contribution) {
     this.contribution = contribution;
     this.position = position;
     titleView.setText(contribution.getMedia().getMostRelevantCaption());
+
+    imageView.getHierarchy().setPlaceholderImage(R.drawable.image_placeholder);
+    imageView.getHierarchy().setFailureImage(R.drawable.image_placeholder);
+
+
     final String imageSource = chooseImageSource(contribution.getMedia().getThumbUrl(),
         contribution.getLocalUri());
     if (!TextUtils.isEmpty(imageSource)) {
@@ -88,6 +93,7 @@ public void init(final int position, final Contribution contribution) {
         checkIfMediaExistsOnWikipediaPage(contribution);
         break;
       case Contribution.STATE_QUEUED:
+      case Contribution.STATE_QUEUED_LIMITED_CONNECTION_MODE:
         stateView.setVisibility(View.VISIBLE);
         progressView.setVisibility(View.GONE);
         stateView.setText(R.string.contribution_state_queued);

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsFragment.java

@@ -474,7 +474,7 @@ private void fetchCampaigns() {
     @Override
     public void retryUpload(Contribution contribution) {
         if (NetworkUtils.isInternetConnectionEstablished(getContext())) {
-            if (contribution.getState() == STATE_FAILED || contribution.getState() == STATE_PAUSED && null != uploadService) {
+            if (contribution.getState() == STATE_FAILED || contribution.getState() == STATE_PAUSED || contribution.getState()==Contribution.STATE_QUEUED_LIMITED_CONNECTION_MODE && null != uploadService) {
                 uploadService.queue(contribution);
                 Timber.d("Restarting for %s", contribution.toString());
             } else {

app/src/main/java/fr/free/nrw/commons/contributions/MainActivity.java

@@ -3,13 +3,16 @@
 import android.annotation.SuppressLint;
 import android.app.AlertDialog;
 import android.content.Intent;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
+import android.widget.Switch;
 import android.widget.TextView;
 import androidx.annotation.Nullable;
 import androidx.core.view.GravityCompat;
@@ -21,6 +24,7 @@
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import com.google.android.material.tabs.TabLayout;
+import fr.free.nrw.commons.CommonsApplication;
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.auth.SessionManager;
 import fr.free.nrw.commons.location.LocationServiceManager;
@@ -33,6 +37,7 @@
 import fr.free.nrw.commons.theme.NavigationBaseActivity;
 import fr.free.nrw.commons.upload.UploadService;
 import fr.free.nrw.commons.utils.ViewUtil;
+import fr.free.nrw.commons.utils.ViewUtilWrapper;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.schedulers.Schedulers;
 import java.util.List;
@@ -56,6 +61,8 @@ public class MainActivity extends NavigationBaseActivity implements FragmentMana
     NotificationController notificationController;
     @Inject
     QuizChecker quizChecker;
+    @Inject
+    ViewUtilWrapper viewUtilWrapper;
 
 
     public ContributionsActivityPagerAdapter contributionsActivityPagerAdapter;
@@ -70,6 +77,7 @@ public class MainActivity extends NavigationBaseActivity implements FragmentMana
     private TextView notificationCount;
     private NearbyParentFragment nearbyParentFragment;
 
+    @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_contributions);
@@ -280,9 +288,25 @@ public boolean onCreateOptionsMenu(Menu menu) {
         this.menu = menu;
         updateMenuItem();
         setNotificationCount();
+
+        updateLimitedConnectionToggle(menu);
+
         return true;
     }
 
+    private void updateLimitedConnectionToggle(Menu menu) {
+        MenuItem checkable = menu.findItem(R.id.toggle_limited_connection_mode);
+        boolean isEnabled = defaultKvStore
+            .getBoolean(CommonsApplication.IS_LIMITED_CONNECTION_MODE_ENABLED, false);
+
+        checkable.setChecked(isEnabled);
+        final Switch switchToggleLimitedConnectionMode = checkable.getActionView()
+            .findViewById(R.id.switch_toggle_limited_connection_mode);
+        switchToggleLimitedConnectionMode.setChecked(isEnabled);
+        switchToggleLimitedConnectionMode.setOnCheckedChangeListener(
+            (buttonView, isChecked) -> toggleLimitedConnectionMode());
+    }
+
     @SuppressLint("CheckResult")
     private void setNotificationCount() {
         compositeDisposable.add(notificationController.getNotifications(false)
@@ -339,6 +363,27 @@ public boolean onOptionsItemSelected(MenuItem item) {
         }
     }
 
+    private void toggleLimitedConnectionMode() {
+        defaultKvStore.putBoolean(CommonsApplication.IS_LIMITED_CONNECTION_MODE_ENABLED,
+            !defaultKvStore
+                .getBoolean(CommonsApplication.IS_LIMITED_CONNECTION_MODE_ENABLED, false));
+        if (defaultKvStore
+            .getBoolean(CommonsApplication.IS_LIMITED_CONNECTION_MODE_ENABLED, false)) {
+            viewUtilWrapper
+                .showShortToast(getBaseContext(), getString(R.string.limited_connection_enabled));
+        } else {
+            Intent intent = new Intent(this, UploadService.class);
+            intent.setAction(UploadService.PROCESS_PENDING_LIMITED_CONNECTION_MODE_UPLOADS);
+            if (VERSION.SDK_INT >= VERSION_CODES.O) {
+                startForegroundService(intent);
+            } else {
+                startService(intent);
+            }
+            viewUtilWrapper
+                .showShortToast(getBaseContext(), getString(R.string.limited_connection_disabled));
+        }
+    }
+
     public class ContributionsActivityPagerAdapter extends FragmentPagerAdapter {
         FragmentManager fragmentManager;