Support for direct share targets

Fixes #4333
// FREEBIE

AndroidManifest.xml

@@ -167,6 +167,10 @@
             <data android:mimeType="video/*" />
         </intent-filter>
 
+        <meta-data
+                android:name="android.service.chooser.chooser_target_service"
+                android:value=".service.DirectShareService" />
+
     </activity>
 
     <activity android:name=".ConversationListActivity"
@@ -412,6 +416,13 @@
         <meta-data android:name="android.provider.CONTACTS_STRUCTURE" android:resource="@xml/contactsformat" />
     </service>
 
+    <service android:name=".service.DirectShareService"
+             android:permission="android.permission.BIND_CHOOSER_TARGET_SERVICE">
+        <intent-filter>
+            <action android:name="android.service.chooser.ChooserTargetService" />
+        </intent-filter>
+    </service>
+
     <receiver android:name=".gcm.GcmBroadcastReceiver" android:permission="com.google.android.c2dm.permission.SEND" >
         <intent-filter>
             <action android:name="com.google.android.c2dm.intent.RECEIVE" />

src/org/thoughtcrime/securesms/ShareActivity.java

@@ -21,15 +21,10 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
-import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.system.ErrnoException;
-import android.system.Os;
-import android.system.StructStat;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -40,6 +35,7 @@ import android.view.ViewGroup;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.mms.PartAuthority;
 import org.thoughtcrime.securesms.providers.PersistentBlobProvider;
+import org.thoughtcrime.securesms.recipients.RecipientFactory;
 import org.thoughtcrime.securesms.recipients.Recipients;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
@@ -47,9 +43,7 @@ import org.thoughtcrime.securesms.util.FileUtils;
 import org.thoughtcrime.securesms.util.MediaUtil;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
-import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -63,6 +57,10 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
 {
   private static final String TAG = ShareActivity.class.getSimpleName();
 
+  public static final String EXTRA_THREAD_ID         = "thread_id";
+  public static final String EXTRA_RECIPIENT_IDS     = "recipient_ids";
+  public static final String EXTRA_DISTRIBUTION_TYPE = "distribution_type";
+
   private final DynamicTheme    dynamicTheme    = new DynamicTheme   ();
   private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
 
@@ -123,11 +121,11 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
 
     Uri streamExtra = getIntent().getParcelableExtra(Intent.EXTRA_STREAM);
     mimeType        = getMimeType(streamExtra);
+
     if (streamExtra != null && PartAuthority.isLocalUri(streamExtra)) {
       isPassingAlongMedia = true;
       resolvedExtra       = streamExtra;
-      fragmentContainer.setVisibility(View.VISIBLE);
-      progressWheel.setVisibility(View.GONE);
+      handleResolvedMedia(getIntent(), false);
     } else {
       fragmentContainer.setVisibility(View.GONE);
       progressWheel.setVisibility(View.VISIBLE);
@@ -166,6 +164,24 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
     createConversation(threadId, recipients, distributionType);
   }
 
+  private void handleResolvedMedia(Intent intent, boolean animate) {
+    long   threadId         = intent.getLongExtra(EXTRA_THREAD_ID, -1);
+    long[] recipientIds     = intent.getLongArrayExtra(EXTRA_RECIPIENT_IDS);
+    int    distributionType = intent.getIntExtra(EXTRA_DISTRIBUTION_TYPE, -1);
+
+    boolean hasResolvedDestination = threadId != -1 && recipientIds != null && distributionType != -1;
+
+    if (!hasResolvedDestination && animate) {
+      ViewUtil.fadeIn(fragmentContainer, 300);
+      ViewUtil.fadeOut(progressWheel, 300);
+    } else if (!hasResolvedDestination) {
+      fragmentContainer.setVisibility(View.VISIBLE);
+      progressWheel.setVisibility(View.GONE);
+    } else {
+      createConversation(threadId, RecipientFactory.getRecipientsForIds(this, recipientIds, true), distributionType);
+    }
+  }
+
   private void createConversation(long threadId, Recipients recipients, int distributionType) {
     final Intent intent = getBaseShareIntent(ConversationActivity.class);
     intent.putExtra(ConversationActivity.RECIPIENTS_EXTRA, recipients.getIds());
@@ -229,8 +245,7 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
     @Override
     protected void onPostExecute(Uri uri) {
       resolvedExtra = uri;
-      ViewUtil.fadeIn(fragmentContainer, 300);
-      ViewUtil.fadeOut(progressWheel, 300);
+      handleResolvedMedia(getIntent(), true);
     }
 
     private InputStream openFileUri(Uri uri) throws IOException {

src/org/thoughtcrime/securesms/database/ThreadDatabase.java

@@ -349,6 +349,11 @@ public class ThreadDatabase extends Database {
     return cursor;
   }
 
+  public Cursor getDirectShareList() {
+    SQLiteDatabase db = databaseHelper.getReadableDatabase();
+    return db.query(TABLE_NAME, null, null, null, null, null, DATE + " DESC");
+  }
+
   public int getArchivedConversationListCount() {
     SQLiteDatabase db = databaseHelper.getReadableDatabase();
     Cursor cursor     = null;

src/org/thoughtcrime/securesms/service/DirectShareService.java

@@ -0,0 +1,68 @@
+package org.thoughtcrime.securesms.service;
+
+
+import android.content.ComponentName;
+import android.content.IntentFilter;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.Icon;
+import android.os.Build;
+import android.os.Bundle;
+import android.service.chooser.ChooserTarget;
+import android.service.chooser.ChooserTargetService;
+import android.support.annotation.RequiresApi;
+
+import org.thoughtcrime.securesms.ShareActivity;
+import org.thoughtcrime.securesms.crypto.MasterCipher;
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.database.ThreadDatabase;
+import org.thoughtcrime.securesms.database.model.ThreadRecord;
+import org.thoughtcrime.securesms.util.BitmapUtil;
+
+import java.util.LinkedList;
+import java.util.List;
+
+@RequiresApi(api = Build.VERSION_CODES.M)
+public class DirectShareService extends ChooserTargetService {
+  @Override
+  public List<ChooserTarget> onGetChooserTargets(ComponentName targetActivityName,
+                                                 IntentFilter matchedFilter)
+  {
+    List<ChooserTarget> results        = new LinkedList<>();
+    MasterSecret        masterSecret   = KeyCachingService.getMasterSecret(this);
+
+    if (masterSecret == null) {
+      return results;
+    }
+
+    ComponentName  componentName  = new ComponentName(this, ShareActivity.class);
+    ThreadDatabase threadDatabase = DatabaseFactory.getThreadDatabase(this);
+    Cursor         cursor         = threadDatabase.getDirectShareList();
+
+    try {
+      ThreadDatabase.Reader reader = threadDatabase.readerFor(cursor, new MasterCipher(masterSecret));
+      ThreadRecord record;
+
+      while ((record = reader.getNext()) != null) {
+        String   name     = record.getRecipients().toShortString();
+        Drawable drawable = record.getRecipients().getContactPhoto()
+                                  .asDrawable(this, record.getRecipients().getColor()
+                                                          .toConversationColor(this));
+        Bitmap   avatar   = BitmapUtil.createFromDrawable(drawable, 500, 500);
+
+        Bundle bundle = new Bundle();
+        bundle.putLong(ShareActivity.EXTRA_THREAD_ID, record.getThreadId());
+        bundle.putLongArray(ShareActivity.EXTRA_RECIPIENT_IDS, record.getRecipients().getIds());
+        bundle.putInt(ShareActivity.EXTRA_DISTRIBUTION_TYPE, record.getDistributionType());
+
+        results.add(new ChooserTarget(name, Icon.createWithBitmap(avatar), 1.0f, componentName, bundle));
+      }
+
+      return results;
+    } finally {
+      if (cursor != null) cursor.close();
+    }
+  }
+}