Merge pull request #1519 from k9mail/recipient-inject-loaderman

Inject LoaderManager to RecipientSelectView via presenter

k9mail/src/main/java/com/fsck/k9/activity/MessageCompose.java

@@ -357,8 +357,8 @@ public class MessageCompose extends K9Activity implements OnClickListener,
 
         RecipientMvpView recipientMvpView = new RecipientMvpView(this);
         ComposePgpInlineDecider composePgpInlineDecider = new ComposePgpInlineDecider();
-        recipientPresenter = new RecipientPresenter(this, recipientMvpView, mAccount,
+        recipientPresenter = new RecipientPresenter(getApplicationContext(), getLoaderManager(), recipientMvpView,
-                composePgpInlineDecider, new ReplyToParser());
+                mAccount, composePgpInlineDecider, new ReplyToParser());
 
         mSubjectView = (EditText) findViewById(R.id.subject);
         mSubjectView.getInputExtras(true).putBoolean("allowEmoji", true);

k9mail/src/main/java/com/fsck/k9/activity/compose/RecipientMvpView.java

@@ -4,6 +4,7 @@ package com.fsck.k9.activity.compose;
 import java.util.Arrays;
 import java.util.List;
 
+import android.app.LoaderManager;
 import android.app.PendingIntent;
 import android.text.TextWatcher;
 import android.view.View;
@@ -379,6 +380,12 @@ public class RecipientMvpView implements OnFocusChangeListener, OnClickListener
         activity.launchUserInteractionPendingIntent(pendingIntent, requestCode);
     }
 
+    public void setLoaderManager(LoaderManager loaderManager) {
+        toView.setLoaderManager(loaderManager);
+        ccView.setLoaderManager(loaderManager);
+        bccView.setLoaderManager(loaderManager);
+    }
+
     public enum CryptoStatusDisplayType {
         UNCONFIGURED(VIEW_INDEX_HIDDEN),
         UNINITIALIZED(VIEW_INDEX_HIDDEN),

k9mail/src/main/java/com/fsck/k9/activity/compose/RecipientPresenter.java

@@ -7,6 +7,7 @@ import java.util.Collections;
 import java.util.List;
 
 import android.app.Activity;
+import android.app.LoaderManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
@@ -21,6 +22,7 @@ import com.fsck.k9.Account;
 import com.fsck.k9.Identity;
 import com.fsck.k9.K9;
 import com.fsck.k9.R;
+import com.fsck.k9.activity.MessageCompose;
 import com.fsck.k9.activity.compose.ComposeCryptoStatus.AttachErrorState;
 import com.fsck.k9.activity.compose.ComposeCryptoStatus.ComposeCryptoStatusBuilder;
 import com.fsck.k9.activity.compose.ComposeCryptoStatus.SendErrorState;
@@ -78,14 +80,15 @@ public class RecipientPresenter implements PermissionPingCallback {
     private boolean cryptoEnablePgpInline = false;
 
 
-    public RecipientPresenter(Context context, RecipientMvpView recipientMvpView, Account account,
+    public RecipientPresenter(Context context, LoaderManager loaderManager, RecipientMvpView recipientMvpView,
-            ComposePgpInlineDecider composePgpInlineDecider, ReplyToParser replyToParser) {
+            Account account, ComposePgpInlineDecider composePgpInlineDecider, ReplyToParser replyToParser) {
         this.recipientMvpView = recipientMvpView;
         this.context = context;
         this.composePgpInlineDecider = composePgpInlineDecider;
         this.replyToParser = replyToParser;
 
         recipientMvpView.setPresenter(this);
+        recipientMvpView.setLoaderManager(loaderManager);
         onSwitchAccount(account);
         updateCryptoStatus();
     }

k9mail/src/main/java/com/fsck/k9/view/RecipientSelectView.java

@@ -8,7 +8,6 @@ import java.io.Serializable;
 import java.util.List;
 
 import android.annotation.SuppressLint;
-import android.app.Activity;
 import android.app.LoaderManager;
 import android.app.LoaderManager.LoaderCallbacks;
 import android.content.Context;
@@ -56,13 +55,14 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
 
 
     private RecipientAdapter adapter;
+    @Nullable
     private String cryptoProvider;
+    @Nullable
     private LoaderManager loaderManager;
 
     private ListPopupWindow alternatesPopup;
     private AlternateRecipientAdapter alternatesAdapter;
     private Recipient alternatesPopupRecipient;
-    private boolean attachedToWindow = true;
     private TokenListener<Recipient> listener;
 
 
@@ -178,22 +178,18 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
         return getObjects().isEmpty();
     }
 
-    @Override
+    public void setLoaderManager(@Nullable LoaderManager loaderManager) {
-    protected void onAttachedToWindow() {
+        this.loaderManager = loaderManager;
-        super.onAttachedToWindow();
-
-        attachedToWindow = true;
-
-        if (getContext() instanceof Activity) {
-            Activity activity = (Activity) getContext();
-            loaderManager = activity.getLoaderManager();
-        }
     }
 
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
-        attachedToWindow = false;
+        if (loaderManager != null) {
+            loaderManager.destroyLoader(LOADER_ID_ALTERNATES);
+            loaderManager.destroyLoader(LOADER_ID_FILTERING);
+            loaderManager = null;
+        }
     }
 
     @Override
@@ -241,8 +237,11 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
 
     @Override
     protected void performFiltering(@NonNull CharSequence text, int start, int end, int keyCode) {
-        String query = text.subSequence(start, end).toString();
+        if (loaderManager == null) {
+            return;
+        }
 
+        String query = text.subSequence(start, end).toString();
         if (TextUtils.isEmpty(query) || query.length() < MINIMUM_LENGTH_FOR_FILTERING) {
             loaderManager.destroyLoader(LOADER_ID_FILTERING);
             return;
@@ -253,7 +252,7 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
         loaderManager.restartLoader(LOADER_ID_FILTERING, args, this);
     }
 
-    public void setCryptoProvider(String cryptoProvider) {
+    public void setCryptoProvider(@Nullable String cryptoProvider) {
         this.cryptoProvider = cryptoProvider;
     }
 
@@ -274,7 +273,7 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
     }
 
     private void showAlternates(Recipient recipient) {
-        if (!attachedToWindow) {
+        if (loaderManager == null) {
             return;
         }
 
@@ -296,7 +295,7 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
     }
 
     public void showAlternatesPopup(List<Recipient> data) {
-        if (!attachedToWindow) {
+        if (loaderManager == null) {
             return;
         }
 
@@ -338,6 +337,10 @@ public class RecipientSelectView extends TokenCompleteTextView<Recipient> implem
 
     @Override
     public void onLoadFinished(Loader<List<Recipient>> loader, List<Recipient> data) {
+        if (loaderManager == null) {
+            return;
+        }
+
         switch (loader.getId()) {
             case LOADER_ID_FILTERING: {
                 adapter.setRecipients(data);

k9mail/src/test/java/com/fsck/k9/activity/compose/RecipientPresenterTest.java

@@ -4,6 +4,7 @@ package com.fsck.k9.activity.compose;
 import java.util.Arrays;
 import java.util.List;
 
+import android.app.LoaderManager;
 import android.content.Context;
 
 import com.fsck.k9.Account;
@@ -41,6 +42,7 @@ public class RecipientPresenterTest {
     private ComposePgpInlineDecider composePgpInlineDecider;
     private Account account;
     private RecipientMvpView recipientMvpView;
+    private LoaderManager loaderManager;
 
 
     @Before
@@ -51,9 +53,10 @@ public class RecipientPresenterTest {
         account = mock(Account.class);
         composePgpInlineDecider = mock(ComposePgpInlineDecider.class);
         replyToParser = mock(ReplyToParser.class);
+        loaderManager = mock(LoaderManager.class);
 
         recipientPresenter = new RecipientPresenter(
-                context, recipientMvpView, account, composePgpInlineDecider, replyToParser);
+                context, loaderManager, recipientMvpView, account, composePgpInlineDecider, replyToParser);
     }
 
     @Test