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@ -21,6 +21,7 @@ package eu.faircode.email;
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import android.arch.lifecycle.LiveData;
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import android.arch.lifecycle.Observer;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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@ -28,6 +29,9 @@ import android.support.annotation.Nullable;
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import android.support.constraint.Group;
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import android.support.design.widget.FloatingActionButton;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.AsyncTaskLoader;
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import android.support.v4.content.Loader;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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@ -88,6 +92,7 @@ public class FragmentMessages extends Fragment {
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tvNoEmail.setVisibility(View.GONE);
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grpReady.setVisibility(View.GONE);
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pbWait.setVisibility(View.VISIBLE);
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fab.setEnabled(false);
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DB db = DB.getInstance(getContext());
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@ -104,6 +109,8 @@ public class FragmentMessages extends Fragment {
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db.message().liveThread(thread).observe(this, messagesObserver);
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}
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getLoaderManager().restartLoader(ActivityView.LOADER_MESSAGES_INIT, new Bundle(), initLoaderCallbacks).forceLoad();
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return view;
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}
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@ -149,4 +156,36 @@ public class FragmentMessages extends Fragment {
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}
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}
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};
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private static class InitLoader extends AsyncTaskLoader<Bundle> {
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public InitLoader(@NonNull Context context) {
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super(context);
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}
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@Nullable
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@Override
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public Bundle loadInBackground() {
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Bundle result = new Bundle();
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EntityFolder drafts = DB.getInstance(getContext()).folder().getPrimaryDraftFolder();
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result.putBoolean("drafts", drafts != null);
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return result;
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}
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}
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private LoaderManager.LoaderCallbacks initLoaderCallbacks = new LoaderManager.LoaderCallbacks<Bundle>() {
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@NonNull
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@Override
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public Loader<Bundle> onCreateLoader(int id, @Nullable Bundle args) {
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return new InitLoader(getContext());
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}
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@Override
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public void onLoadFinished(@NonNull Loader<Bundle> loader, Bundle data) {
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fab.setEnabled(data.getBoolean("drafts", false));
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}
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@Override
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public void onLoaderReset(@NonNull Loader<Bundle> loader) {
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}
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};
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}
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