Support for an audio view to allow in-app playback of audio.

Closes #4270
// FREEBIE

res/layout/audio_view.xml

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+       xmlns:tools="http://schemas.android.com/tools"
+       xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <LinearLayout android:id="@+id/audio_widget_container"
+                  android:orientation="vertical"
+                  android:layout_width="match_parent"
+                  android:layout_height="wrap_content">
+
+        <LinearLayout android:layout_width="fill_parent"
+                      android:layout_height="fill_parent"
+                      android:orientation="horizontal">
+
+            <org.thoughtcrime.securesms.components.AnimatingToggle
+                    android:id="@+id/control_toggle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:gravity="center">
+
+                <com.pnikosis.materialishprogress.ProgressWheel
+                        android:id="@+id/download_progress"
+                        android:layout_width="48dp"
+                        android:layout_height="48dp"
+                        android:visibility="gone"
+                        android:layout_gravity="center"
+                        app:matProg_barColor="@color/white"
+                        app:matProg_linearProgress="true"
+                        app:matProg_spinSpeed="0.333"
+                        tools:visibility="visible"/>
+
+                <ImageView android:id="@+id/play"
+                           android:layout_width="wrap_content"
+                           android:layout_height="wrap_content"
+                           android:layout_gravity="center_vertical"
+                           android:gravity="center_vertical"
+                           android:clickable="true"
+                           android:visibility="gone"
+                           android:background="@drawable/circle_touch_highlight_background"
+                           android:src="@drawable/ic_play_circle_fill_white_48dp"
+                           android:contentDescription="Play"/>
+
+                <ImageView android:id="@+id/pause"
+                           android:layout_width="wrap_content"
+                           android:layout_height="wrap_content"
+                           android:layout_gravity="center_vertical"
+                           android:gravity="center_vertical"
+                           android:clickable="true"
+                           android:visibility="gone"
+                           android:background="@drawable/circle_touch_highlight_background"
+                           android:src="@drawable/ic_pause_circle_fill_white_48dp"
+                           android:contentDescription="Pause"/>
+
+                <ImageView android:id="@+id/download"
+                           android:layout_width="wrap_content"
+                           android:layout_height="wrap_content"
+                           android:layout_gravity="center_vertical"
+                           android:clickable="true"
+                           android:visibility="gone"
+                           android:background="@drawable/circle_touch_highlight_background"
+                           android:src="@drawable/ic_download_circle_fill_white_48dp"
+                           android:contentDescription="Download"/>
+
+            </org.thoughtcrime.securesms.components.AnimatingToggle>
+
+            <SeekBar android:id="@+id/seek"
+                     android:layout_width="fill_parent"
+                     android:layout_height="wrap_content"
+                     android:layout_gravity="center_vertical"
+                     android:minWidth="210dp"/>
+
+        </LinearLayout>
+
+    <TextView android:id="@+id/timestamp"
+              android:layout_width="wrap_content"
+              android:layout_height="wrap_content"
+              android:layout_marginLeft="76dip"
+              android:textAppearance="?android:attr/textAppearanceSmall"
+              android:textColor="?conversation_item_sent_text_secondary_color"
+              android:textSize="@dimen/conversation_item_date_text_size"
+              android:fontFamily="sans-serif-light"
+              android:autoLink="none"
+              android:visibility="gone"
+              tools:text="00:15"
+              tools:visibility="visible"
+            />
+
+    </LinearLayout>
+
+</merge>

res/layout/conversation_activity.xml

@@ -37,14 +37,33 @@
                      android:background="?android:windowBackground"
                      android:visibility="gone">
 
+            <org.thoughtcrime.securesms.components.RemovableMediaView
+                    android:id="@+id/removable_media_view"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center">
+
                 <org.thoughtcrime.securesms.components.ThumbnailView
                         android:id="@+id/attachment_thumbnail"
                         android:layout_width="230dp"
                         android:layout_height="150dp"
                         android:layout_gravity="center_horizontal"
+                        android:visibility="gone"
                         android:contentDescription="@string/conversation_activity__attachment_thumbnail"
                         app:backgroundColorHint="?conversation_background" />
 
+                <org.thoughtcrime.securesms.components.AudioView
+                        android:id="@+id/attachment_audio"
+                        android:layout_width="210dp"
+                        android:layout_height="wrap_content"
+                        android:visibility="gone"
+                        android:background="@color/white"
+                        android:paddingTop="15dp"
+                        android:paddingBottom="15dp"
+                        app:tintColor="@color/grey_500"/>
+
+            </org.thoughtcrime.securesms.components.RemovableMediaView>
+
         </FrameLayout>
 
         <LinearLayout android:id="@+id/bottom_panel"

res/layout/conversation_item_received.xml

@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<org.thoughtcrime.securesms.ConversationItem android:id="@+id/conversation_item"
+<org.thoughtcrime.securesms.ConversationItem
+        android:id="@+id/conversation_item"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:paddingRight="10dip"
         android:orientation="vertical"
         android:background="@drawable/conversation_item_background"
         xmlns:android="http://schemas.android.com/apk/res/android"
-                                             xmlns:tools="http://schemas.android.com/tools">
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <TextView android:id="@+id/group_message_status"
               android:layout_width="wrap_content"
@@ -53,7 +55,15 @@
                     android:contentDescription="@string/conversation_item__mms_image_description"
                     android:visibility="gone"
                     tools:src="@drawable/ic_video_light"
-                    tools:visibility="visible" />
+                    tools:visibility="gone" />
+
+            <org.thoughtcrime.securesms.components.AudioView
+                    android:id="@+id/audio_view"
+                    android:layout_width="210dp"
+                    android:layout_height="wrap_content"
+                    android:visibility="gone"
+                    app:tintColor="@color/white"
+                    tools:visibility="visible"/>
 
             <org.thoughtcrime.securesms.components.emoji.EmojiTextView
                     android:id="@+id/conversation_item_body"

res/layout/conversation_item_sent.xml

@@ -2,6 +2,7 @@
 <org.thoughtcrime.securesms.ConversationItem
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/conversation_item"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
@@ -67,6 +68,13 @@
                     tools:src="@drawable/ic_video_light"
                     tools:visibility="visible" />
 
+            <org.thoughtcrime.securesms.components.AudioView
+                    android:id="@+id/audio_view"
+                    android:layout_width="210dp"
+                    android:layout_height="wrap_content"
+                    app:tintColor="@color/grey_500"
+                    android:visibility="gone"/>
+
             <org.thoughtcrime.securesms.components.emoji.EmojiTextView
                     android:id="@+id/conversation_item_body"
                     android:autoLink="all"

res/layout/media_view_remove_button.xml

@@ -3,4 +3,6 @@
            android:id="@+id/remove_image_button"
            android:layout_width="@dimen/media_bubble_remove_button_size"
            android:layout_height="@dimen/media_bubble_remove_button_size"
-           android:src="@drawable/conversation_attachment_close_circle" />
+           android:layout_gravity="top|right"
+           android:src="@drawable/conversation_attachment_close_circle"
+           android:visibility="gone"/>

res/layout/thumbnail_view.xml

@@ -16,9 +16,4 @@
               android:layout_gravity="center"
               android:layout="@layout/transfer_controls_stub" />
 
-    <ViewStub android:id="@+id/remove_button_stub"
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:layout_gravity="top|right"
-              android:layout="@layout/thumbnail_view_remove_button" />
 </merge>

res/values/attrs.xml

@@ -134,4 +134,9 @@
     <declare-styleable name="ThumbnailView">
         <attr name="backgroundColorHint" format="color" />
     </declare-styleable>
+
+    <declare-styleable name="AudioView">
+        <attr name="tintColor" format="color" />
+    </declare-styleable>
+
 </resources>

src/org/thoughtcrime/securesms/BindableConversationItem.java

@@ -4,6 +4,7 @@ import android.support.annotation.NonNull;
 
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
+import org.thoughtcrime.securesms.recipients.Recipients;
 
 import java.util.Locale;
 import java.util.Set;
@@ -13,5 +14,5 @@ public interface BindableConversationItem extends Unbindable {
             @NonNull MessageRecord messageRecord,
             @NonNull Locale locale,
             @NonNull Set<MessageRecord> batchSelected,
-            boolean groupThread);
+            @NonNull Recipients recipients);
 }

src/org/thoughtcrime/securesms/ConversationAdapter.java

@@ -35,6 +35,7 @@ import org.thoughtcrime.securesms.database.MmsSmsColumns;
 import org.thoughtcrime.securesms.database.MmsSmsDatabase;
 import org.thoughtcrime.securesms.database.SmsDatabase;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
+import org.thoughtcrime.securesms.recipients.Recipients;
 import org.thoughtcrime.securesms.util.LRUCache;
 
 import java.lang.ref.SoftReference;
@@ -71,7 +72,7 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
   private final ItemClickListener clickListener;
   private final MasterSecret      masterSecret;
   private final Locale            locale;
-  private final boolean                groupThread;
+  private final Recipients        recipients;
   private final MmsSmsDatabase    db;
   private final LayoutInflater    inflater;
 
@@ -96,13 +97,13 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
                              @NonNull Locale locale,
                              @Nullable ItemClickListener clickListener,
                              @Nullable Cursor cursor,
-                             boolean groupThread)
+                             @NonNull Recipients recipients)
   {
     super(context, cursor);
     this.masterSecret  = masterSecret;
     this.locale        = locale;
     this.clickListener = clickListener;
-    this.groupThread     = groupThread;
+    this.recipients    = recipients;
     this.inflater      = LayoutInflater.from(context);
     this.db            = DatabaseFactory.getMmsSmsDatabase(context);
   }
@@ -118,7 +119,7 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
     String        type          = cursor.getString(cursor.getColumnIndexOrThrow(MmsSmsDatabase.TRANSPORT));
     MessageRecord messageRecord = getMessageRecord(id, cursor, type);
 
-    viewHolder.getView().bind(masterSecret, messageRecord, locale, batchSelected, groupThread);
+    viewHolder.getView().bind(masterSecret, messageRecord, locale, batchSelected, recipients);
   }
 
   @Override public ViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -142,8 +142,7 @@ public class ConversationFragment extends Fragment
 
   private void initializeListAdapter() {
     if (this.recipients != null && this.threadId != -1) {
-      list.setAdapter(new ConversationAdapter(getActivity(), masterSecret, locale, selectionClickListener, null,
+      list.setAdapter(new ConversationAdapter(getActivity(), masterSecret, locale, selectionClickListener, null, this.recipients));
-                                              (!this.recipients.isSingleRecipient()) || this.recipients.isGroupRecipient()));
       getLoaderManager().restartLoader(0, Bundle.EMPTY, this);
     }
   }

src/org/thoughtcrime/securesms/ConversationItem.java

@@ -41,13 +41,14 @@ import android.widget.Toast;
 
 import com.afollestad.materialdialogs.AlertDialogWrapper;
 
+import org.thoughtcrime.securesms.components.AudioView;
 import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.components.ThumbnailView;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.MmsDatabase;
 import org.thoughtcrime.securesms.database.MmsSmsDatabase;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.database.SmsDatabase;
 import org.thoughtcrime.securesms.database.documents.IdentityKeyMismatch;
 import org.thoughtcrime.securesms.database.model.MediaMmsMessageRecord;
@@ -58,10 +59,13 @@ import org.thoughtcrime.securesms.jobs.MmsSendJob;
 import org.thoughtcrime.securesms.jobs.SmsSendJob;
 import org.thoughtcrime.securesms.mms.PartAuthority;
 import org.thoughtcrime.securesms.mms.Slide;
+import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.recipients.Recipient;
+import org.thoughtcrime.securesms.recipients.Recipients;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.Util;
 
+import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
@@ -75,7 +79,7 @@ import java.util.Set;
  */
 
 public class ConversationItem extends LinearLayout
-    implements Recipient.RecipientModifiedListener, BindableConversationItem
+    implements Recipient.RecipientModifiedListener, Recipients.RecipientsModifiedListener, BindableConversationItem
 {
   private final static String TAG = ConversationItem.class.getSimpleName();
 
@@ -98,11 +102,13 @@ public class ConversationItem extends LinearLayout
   private View            pendingIndicator;
   private ImageView       pendingApprovalIndicator;
 
-  private StatusManager      statusManager;
+  private @NonNull  Set<MessageRecord>  batchSelected = new HashSet<>();
-  private Set<MessageRecord> batchSelected;
+  private @Nullable Recipients          conversationRecipients;
-  private ThumbnailView      mediaThumbnail;
+  private @NonNull  StatusManager       statusManager;
-  private Button             mmsDownloadButton;
+  private @NonNull  ThumbnailView       mediaThumbnail;
-  private TextView           mmsDownloadingLabel;
+  private @NonNull  AudioView           audioView;
+  private @NonNull  Button              mmsDownloadButton;
+  private @NonNull  TextView            mmsDownloadingLabel;
 
   private int defaultBubbleColor;
 
@@ -152,15 +158,20 @@ public class ConversationItem extends LinearLayout
     this.pendingApprovalIndicator = (ImageView)       findViewById(R.id.pending_approval_indicator);
     this.pendingIndicator         =                   findViewById(R.id.pending_indicator);
     this.mediaThumbnail           = (ThumbnailView)   findViewById(R.id.image_view);
+    this.audioView                = (AudioView)       findViewById(R.id.audio_view);
     this.statusManager            = new StatusManager(pendingIndicator, sentIndicator, deliveredIndicator, failedIndicator, pendingApprovalIndicator);
 
     setOnClickListener(new ClickListener(null));
     PassthroughClickListener        passthroughClickListener = new PassthroughClickListener();
-    if (mmsDownloadButton != null) mmsDownloadButton.setOnClickListener(mmsDownloadClickListener);
+    AttachmentDownloadClickListener downloadClickListener    = new AttachmentDownloadClickListener();
+
+    mmsDownloadButton.setOnClickListener(mmsDownloadClickListener);
     mediaThumbnail.setThumbnailClickListener(new ThumbnailClickListener());
-    mediaThumbnail.setDownloadClickListener(new ThumbnailDownloadClickListener());
+    mediaThumbnail.setDownloadClickListener(downloadClickListener);
     mediaThumbnail.setOnLongClickListener(passthroughClickListener);
     mediaThumbnail.setOnClickListener(passthroughClickListener);
+    audioView.setDownloadClickListener(downloadClickListener);
+    audioView.setOnLongClickListener(passthroughClickListener);
     bodyText.setOnLongClickListener(passthroughClickListener);
     bodyText.setOnClickListener(passthroughClickListener);
   }
@@ -170,16 +181,18 @@ public class ConversationItem extends LinearLayout
                    @NonNull MessageRecord      messageRecord,
                    @NonNull Locale             locale,
                    @NonNull Set<MessageRecord> batchSelected,
-                   boolean groupThread)
+                   @NonNull Recipients         conversationRecipients)
   {
     this.masterSecret           = masterSecret;
     this.messageRecord          = messageRecord;
     this.locale                 = locale;
     this.batchSelected          = batchSelected;
-    this.groupThread            = groupThread;
+    this.conversationRecipients = conversationRecipients;
+    this.groupThread            = !conversationRecipients.isSingleRecipient() || conversationRecipients.isGroupRecipient();
     this.recipient              = messageRecord.getIndividualRecipient();
 
     this.recipient.addListener(this);
+    this.conversationRecipients.addListener(this);
 
     setInteractionState(messageRecord);
     setBodyText(messageRecord);
@@ -218,6 +231,7 @@ public class ConversationItem extends LinearLayout
     if (messageRecord.isOutgoing()) {
       bodyBubble.getBackground().setColorFilter(defaultBubbleColor, PorterDuff.Mode.MULTIPLY);
       mediaThumbnail.setBackgroundColorHint(defaultBubbleColor);
+      audioView.setTint(conversationRecipients.getColor().toConversationColor(context));
     } else {
       int color = recipient.getColor().toConversationColor(context);
       bodyBubble.getBackground().setColorFilter(color, PorterDuff.Mode.MULTIPLY);
@@ -237,7 +251,13 @@ public class ConversationItem extends LinearLayout
     return TextUtils.isEmpty(messageRecord.getDisplayBody()) && messageRecord.isMms();
   }
 
-  private boolean hasMedia(MessageRecord messageRecord) {
+  private boolean hasAudio(MessageRecord messageRecord) {
+    return messageRecord.isMms() &&
+           !messageRecord.isMmsNotification() &&
+           ((MediaMmsMessageRecord)messageRecord).getSlideDeck().getAudioSlide() != null;
+  }
+
+  private boolean hasThumbnail(MessageRecord messageRecord) {
     return messageRecord.isMms()              &&
            !messageRecord.isMmsNotification() &&
            ((MediaMmsMessageRecord)messageRecord).getSlideDeck().getThumbnailSlide() != null;
@@ -256,20 +276,33 @@ public class ConversationItem extends LinearLayout
   }
 
   private void setMediaAttributes(MessageRecord messageRecord) {
+    boolean showControls = !messageRecord.isFailed() && (!messageRecord.isOutgoing() || messageRecord.isPending());
+
     if (messageRecord.isMmsNotification()) {
       mediaThumbnail.setVisibility(View.GONE);
+      audioView.setVisibility(View.GONE);
+
       bodyText.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
       setNotificationMmsAttributes((NotificationMmsMessageRecord) messageRecord);
-    } else if (hasMedia(messageRecord)) {
+    } else if (hasAudio(messageRecord)) {
+      audioView.setVisibility(View.VISIBLE);
+      mediaThumbnail.setVisibility(View.GONE);
+
+      //noinspection ConstantConditions
+      audioView.setAudio(masterSecret, ((MediaMmsMessageRecord) messageRecord).getSlideDeck().getAudioSlide(), showControls);
+      bodyText.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
+    } else if (hasThumbnail(messageRecord)) {
       mediaThumbnail.setVisibility(View.VISIBLE);
+      audioView.setVisibility(View.GONE);
+
       //noinspection ConstantConditions
       mediaThumbnail.setImageResource(masterSecret,
                                       ((MediaMmsMessageRecord)messageRecord).getSlideDeck().getThumbnailSlide(),
-                                      !messageRecord.isFailed() && (!messageRecord.isOutgoing() || messageRecord.isPending()),
+                                      showControls);
-                                      false);
       bodyText.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
     } else {
       mediaThumbnail.setVisibility(View.GONE);
+      audioView.setVisibility(View.GONE);
       bodyText.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
     }
   }
@@ -400,7 +433,12 @@ public class ConversationItem extends LinearLayout
     });
   }
 
-  private class ThumbnailDownloadClickListener implements ThumbnailView.ThumbnailClickListener {
+  @Override
+  public void onModified(Recipients recipient) {
+    onModified(recipient.getPrimaryRecipient());
+  }
+
+  private class AttachmentDownloadClickListener implements SlideClickListener {
     @Override public void onClick(View v, final Slide slide) {
       DatabaseFactory.getAttachmentDatabase(context).setTransferState(messageRecord.getId(),
                                                                       slide.asAttachment(),
@@ -408,7 +446,7 @@ public class ConversationItem extends LinearLayout
     }
   }
 
-  private class ThumbnailClickListener implements ThumbnailView.ThumbnailClickListener {
+  private class ThumbnailClickListener implements SlideClickListener {
     private void fireIntent(Slide slide) {
       Log.w(TAG, "Clicked: " + slide.getUri() + " , " + slide.getContentType());
       Intent intent = new Intent(Intent.ACTION_VIEW);

src/org/thoughtcrime/securesms/ConversationUpdateItem.java

@@ -56,7 +56,7 @@ public class ConversationUpdateItem extends LinearLayout
                    @NonNull MessageRecord messageRecord,
                    @NonNull Locale locale,
                    @NonNull Set<MessageRecord> batchSelected,
-                   boolean groupThread)
+                   @NonNull Recipients conversationRecipients)
   {
     bind(messageRecord, locale);
   }

src/org/thoughtcrime/securesms/ImageMediaAdapter.java

@@ -70,7 +70,7 @@ public class ImageMediaAdapter extends CursorRecyclerViewAdapter<ViewHolder> {
     Slide slide = MediaUtil.getSlideForAttachment(getContext(), imageRecord.getAttachment());
 
     if (slide != null) {
-      imageView.setImageResource(masterSecret, slide, false, false);
+      imageView.setImageResource(masterSecret, slide, false);
     }
 
     imageView.setOnClickListener(new OnMediaClickListener(imageRecord));

src/org/thoughtcrime/securesms/MessageDetailsActivity.java

@@ -172,8 +172,7 @@ public class MessageDetailsActivity extends PassphraseRequiredActionBarActivity
     }
     toFrom.setText(toFromRes);
     conversationItem.bind(masterSecret, messageRecord, dynamicLanguage.getCurrentLocale(),
-                         new HashSet<MessageRecord>(),
+                         new HashSet<MessageRecord>(), recipients);
-                         recipients != messageRecord.getRecipients());
     recipientsList.setAdapter(new MessageDetailsRecipientAdapter(this, masterSecret, messageRecord,
                                                                  recipients, isPushGroup));
   }

src/org/thoughtcrime/securesms/attachments/UriAttachment.java

@@ -13,15 +13,15 @@ import java.io.InputStream;
 
 public class UriAttachment extends Attachment {
 
-  private final Uri dataUri;
+  private final @NonNull Uri dataUri;
-  private final Uri thumbnailUri;
+  private final @NonNull Uri thumbnailUri;
 
-  public UriAttachment(Uri uri, String contentType, int transferState, long size) {
+  public UriAttachment(@NonNull Uri uri, @NonNull String contentType, int transferState, long size) {
     this(uri, uri, contentType, transferState, size);
   }
 
-  public UriAttachment(Uri dataUri, Uri thumbnailUri,
+  public UriAttachment(@NonNull Uri dataUri, @NonNull Uri thumbnailUri,
-                       String contentType, int transferState, long size)
+                       @NonNull String contentType, int transferState, long size)
   {
     super(contentType, transferState, size, null, null, null);
     this.dataUri      = dataUri;
@@ -39,4 +39,14 @@ public class UriAttachment extends Attachment {
   public Uri getThumbnailUri() {
     return thumbnailUri;
   }
+
+  @Override
+  public boolean equals(Object other) {
+    return other != null && other instanceof UriAttachment && ((UriAttachment) other).dataUri.equals(this.dataUri);
+  }
+
+  @Override
+  public int hashCode() {
+    return dataUri.hashCode();
+  }
 }

src/org/thoughtcrime/securesms/audio/AudioAttachmentServer.java

@@ -0,0 +1,376 @@
+package org.thoughtcrime.securesms.audio;
+
+
+import android.content.Context;
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.util.Log;
+
+import org.spongycastle.util.encoders.Hex;
+import org.thoughtcrime.securesms.attachments.Attachment;
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.mms.PartAuthority;
+import org.thoughtcrime.securesms.util.Util;
+
+import java.io.BufferedOutputStream;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.net.SocketTimeoutException;
+import java.net.UnknownHostException;
+import java.security.MessageDigest;
+import java.util.Map;
+import java.util.Properties;
+import java.util.StringTokenizer;
+
+/**
+ * @author      Stefan "frostymarvelous" Froelich <stefan d0t froelich At whisppa DoT com>
+ */
+public class AudioAttachmentServer implements Runnable {
+
+  private static final String TAG = AudioAttachmentServer.class.getSimpleName();
+
+  private final Context      context;
+  private final MasterSecret masterSecret;
+  private final Attachment   attachment;
+  private final ServerSocket socket;
+  private final int          port;
+  private final String       auth;
+
+  private volatile boolean isRunning;
+
+  public AudioAttachmentServer(Context context, MasterSecret masterSecret, Attachment attachment)
+      throws IOException
+  {
+    try {
+      this.context      = context;
+      this.masterSecret = masterSecret;
+      this.attachment   = attachment;
+      this.socket       = new ServerSocket(0, 0, InetAddress.getByAddress(new byte[]{127, 0, 0, 1}));
+      this.port         = socket.getLocalPort();
+      this.auth         = new String(Hex.encode(Util.getSecretBytes(16)));
+
+      this.socket.setSoTimeout(5000);
+    } catch (UnknownHostException e) {
+      throw new AssertionError(e);
+    }
+  }
+
+  public Uri getUri() {
+    return Uri.parse(String.format("http://127.0.0.1:%d/%s", port, auth));
+  }
+
+  public void start() {
+    isRunning = true;
+    new Thread(this).start();
+  }
+
+  public void stop() {
+    isRunning = false;
+  }
+
+  @Override
+  public void run() {
+    while (isRunning) {
+      Socket client = null;
+
+      try {
+        client = socket.accept();
+
+        if (client != null) {
+          StreamToMediaPlayerTask task = new StreamToMediaPlayerTask(client, "/" + auth);
+
+          if (task.processRequest()) {
+            task.execute();
+          }
+        }
+
+      } catch (SocketTimeoutException e) {
+        Log.w(TAG, e);
+      } catch (IOException e) {
+        Log.e(TAG, "Error connecting to client", e);
+      } finally {
+        try {if (client != null) client.close();} catch (IOException e) {}
+      }
+    }
+
+    Log.d(TAG, "Proxy interrupted. Shutting down.");
+  }
+
+
+  private class StreamToMediaPlayerTask {
+
+    private final @NonNull Socket client;
+    private final @NonNull String auth;
+
+    private long       cbSkip;
+    private Properties parameters;
+    private Properties request;
+    private Properties requestHeaders;
+//    private String filePath;
+
+    public StreamToMediaPlayerTask(@NonNull Socket client, @NonNull String auth) {
+      this.client = client;
+      this.auth   = auth;
+    }
+
+    public boolean processRequest() throws IOException {
+            InputStream is         = client.getInputStream();
+      final int         bufferSize = 8192;
+            byte[]      buffer     = new byte[bufferSize];
+            int         splitByte  = 0;
+            int         readLength = 0;
+
+      {
+        int read = is.read(buffer, 0, bufferSize);
+        while (read > 0) {
+          readLength += read;
+          splitByte = findHeaderEnd(buffer, readLength);
+          if (splitByte > 0)
+            break;
+          read = is.read(buffer, readLength, bufferSize - readLength);
+        }
+      }
+
+      // Create a BufferedReader for parsing the header.
+      ByteArrayInputStream hbis = new ByteArrayInputStream(buffer, 0, readLength);
+      BufferedReader       hin  = new BufferedReader(new InputStreamReader(hbis));
+
+      request        = new Properties();
+      parameters     = new Properties();
+      requestHeaders = new Properties();
+
+      try {
+        decodeHeader(hin, request, parameters, requestHeaders);
+      } catch (InterruptedException e1) {
+        Log.e(TAG, "Exception: " + e1.getMessage());
+        e1.printStackTrace();
+      }
+
+      for (Map.Entry<Object, Object> e : requestHeaders.entrySet()) {
+        Log.i(TAG, "Header: " + e.getKey() + " : " + e.getValue());
+      }
+
+      String range = requestHeaders.getProperty("range");
+
+      if (range != null) {
+        Log.i(TAG, "range is: " + range);
+        range = range.substring(6);
+        int charPos = range.indexOf('-');
+        if (charPos > 0) {
+          range = range.substring(0, charPos);
+        }
+        cbSkip = Long.parseLong(range);
+        Log.i(TAG, "range found!! " + cbSkip);
+      }
+
+      if(!request.get("method").equals("GET")) {
+        Log.e(TAG, "Only GET is supported");
+        return false;
+      }
+
+      String receivedAuth = request.getProperty("uri");
+
+      if (receivedAuth == null || !MessageDigest.isEqual(receivedAuth.getBytes(), auth.getBytes())) {
+        Log.w(TAG, "Bad auth token!");
+        return false;
+      }
+
+//      filePath = request.getProperty("uri");
+
+      return true;
+    }
+
+    protected void execute() throws IOException {
+      InputStream inputStream = PartAuthority.getAttachmentStream(context, masterSecret, attachment.getDataUri());
+      long        fileSize    = attachment.getSize();
+
+      String headers = "";
+      if (cbSkip > 0) {// It is a seek or skip request if there's a Range
+        // header
+        headers += "HTTP/1.1 206 Partial Content\r\n";
+        headers += "Content-Type: " + attachment.getContentType() + "\r\n";
+        headers += "Accept-Ranges: bytes\r\n";
+        headers += "Content-Length: " + (fileSize - cbSkip) + "\r\n";
+        headers += "Content-Range: bytes " + cbSkip + "-" + (fileSize - 1) + "/" + fileSize + "\r\n";
+        headers += "Connection: Keep-Alive\r\n";
+        headers += "\r\n";
+      } else {
+        headers += "HTTP/1.1 200 OK\r\n";
+        headers += "Content-Type: " + attachment.getContentType() + "\r\n";
+        headers += "Accept-Ranges: bytes\r\n";
+        headers += "Content-Length: " + fileSize + "\r\n";
+        headers += "Connection: Keep-Alive\r\n";
+        headers += "\r\n";
+      }
+
+      Log.i(TAG, "headers: " + headers);
+
+      OutputStream output = null;
+      byte[] buff = new byte[64 * 1024];
+      try {
+        output = new BufferedOutputStream(client.getOutputStream(), 32 * 1024);
+        output.write(headers.getBytes());
+
+        inputStream.skip(cbSkip);
+//        dataSource.skipFully(data, cbSkip);//try to skip as much as possible
+
+        // Loop as long as there's stuff to send and client has not closed
+        int cbRead;
+        while (!client.isClosed() && (cbRead = inputStream.read(buff, 0, buff.length)) != -1) {
+          output.write(buff, 0, cbRead);
+        }
+      }
+      catch (SocketException socketException) {
+        Log.e(TAG, "SocketException() thrown, proxy client has probably closed. This can exit harmlessly");
+      }
+      catch (Exception e) {
+        Log.e(TAG, "Exception thrown from streaming task:");
+        Log.e(TAG, e.getClass().getName() + " : " + e.getLocalizedMessage());
+      }
+
+      // Cleanup
+      try {
+        if (output != null) {
+          output.close();
+        }
+        client.close();
+      }
+      catch (IOException e) {
+        Log.e(TAG, "IOException while cleaning up streaming task:");
+        Log.e(TAG, e.getClass().getName() + " : " + e.getLocalizedMessage());
+        e.printStackTrace();
+      }
+    }
+
+    /**
+     * Find byte index separating header from body. It must be the last byte of
+     * the first two sequential new lines.
+     **/
+    private int findHeaderEnd(final byte[] buf, int rlen) {
+      int splitbyte = 0;
+      while (splitbyte + 3 < rlen) {
+        if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n'
+            && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n')
+          return splitbyte + 4;
+        splitbyte++;
+      }
+      return 0;
+    }
+
+
+    /**
+     * Decodes the sent headers and loads the data into java Properties' key -
+     * value pairs
+     **/
+    private void decodeHeader(BufferedReader in, Properties pre,
+                              Properties parms, Properties header) throws InterruptedException {
+      try {
+        // Read the request line
+        String inLine = in.readLine();
+        if (inLine == null)
+          return;
+        StringTokenizer st = new StringTokenizer(inLine);
+        if (!st.hasMoreTokens())
+          Log.e(TAG,
+                "BAD REQUEST: Syntax error. Usage: GET /example/file.html");
+
+        String method = st.nextToken();
+        pre.put("method", method);
+
+        if (!st.hasMoreTokens())
+          Log.e(TAG,
+                "BAD REQUEST: Missing URI. Usage: GET /example/file.html");
+
+        String uri = st.nextToken();
+
+        // Decode parameters from the URI
+        int qmi = uri.indexOf('?');
+        if (qmi >= 0) {
+          decodeParms(uri.substring(qmi + 1), parms);
+          uri = decodePercent(uri.substring(0, qmi));
+        } else
+          uri = decodePercent(uri);
+
+        // If there's another token, it's protocol version,
+        // followed by HTTP headers. Ignore version but parse headers.
+        // NOTE: this now forces header names lowercase since they are
+        // case insensitive and vary by client.
+        if (st.hasMoreTokens()) {
+          String line = in.readLine();
+          while (line != null && line.trim().length() > 0) {
+            int p = line.indexOf(':');
+            if (p >= 0)
+              header.put(line.substring(0, p).trim().toLowerCase(),
+                         line.substring(p + 1).trim());
+            line = in.readLine();
+          }
+        }
+
+        pre.put("uri", uri);
+      } catch (IOException ioe) {
+        Log.e(TAG,
+              "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
+      }
+    }
+
+    /**
+     * Decodes parameters in percent-encoded URI-format ( e.g.
+     * "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given
+     * Properties. NOTE: this doesn't support multiple identical keys due to the
+     * simplicity of Properties -- if you need multiples, you might want to
+     * replace the Properties with a Hashtable of Vectors or such.
+     */
+    private void decodeParms(String parms, Properties p)
+        throws InterruptedException {
+      if (parms == null)
+        return;
+
+      StringTokenizer st = new StringTokenizer(parms, "&");
+      while (st.hasMoreTokens()) {
+        String e = st.nextToken();
+        int sep = e.indexOf('=');
+        if (sep >= 0)
+          p.put(decodePercent(e.substring(0, sep)).trim(),
+                decodePercent(e.substring(sep + 1)));
+      }
+    }
+
+    /**
+     * Decodes the percent encoding scheme. <br/>
+     * For example: "an+example%20string" -> "an example string"
+     */
+    private String decodePercent(String str) throws InterruptedException {
+      try {
+        StringBuffer sb = new StringBuffer();
+        for (int i = 0; i < str.length(); i++) {
+          char c = str.charAt(i);
+          switch (c) {
+            case '+':
+              sb.append(' ');
+              break;
+            case '%':
+              sb.append((char) Integer.parseInt(
+                  str.substring(i + 1, i + 3), 16));
+              i += 2;
+              break;
+            default:
+              sb.append(c);
+              break;
+          }
+        }
+        return sb.toString();
+      } catch (Exception e) {
+        Log.e(TAG, "BAD REQUEST: Bad percent-encoding.");
+        return null;
+      }
+    }
+  }
+}

src/org/thoughtcrime/securesms/audio/AudioSlidePlayer.java

@@ -0,0 +1,237 @@
+package org.thoughtcrime.securesms.audio;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.os.Handler;
+import android.os.Message;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.Log;
+import android.util.Pair;
+
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.mms.AudioSlide;
+import org.thoughtcrime.securesms.util.Util;
+import org.whispersystems.libaxolotl.util.guava.Optional;
+
+import java.io.IOException;
+import java.lang.ref.WeakReference;
+
+public class AudioSlidePlayer {
+
+  private static final String TAG = AudioSlidePlayer.class.getSimpleName();
+
+  private static @NonNull Optional<AudioSlidePlayer> playing = Optional.absent();
+
+  private final @NonNull Context      context;
+  private final @NonNull MasterSecret masterSecret;
+  private final @NonNull AudioSlide   slide;
+  private final @NonNull Handler      progressEventHandler;
+
+  private @NonNull  WeakReference<Listener> listener;
+  private @Nullable MediaPlayer             mediaPlayer;
+  private @Nullable AudioAttachmentServer   audioAttachmentServer;
+
+  public synchronized static AudioSlidePlayer createFor(@NonNull Context context,
+                                                        @NonNull MasterSecret masterSecret,
+                                                        @NonNull AudioSlide slide,
+                                                        @NonNull Listener listener)
+  {
+    if (playing.isPresent() && playing.get().getAudioSlide().equals(slide)) {
+      playing.get().setListener(listener);
+      return playing.get();
+    } else {
+      return new AudioSlidePlayer(context, masterSecret, slide, listener);
+    }
+  }
+
+  private AudioSlidePlayer(@NonNull Context context,
+                           @NonNull MasterSecret masterSecret,
+                           @NonNull AudioSlide slide,
+                           @NonNull Listener listener)
+  {
+    this.context              = context;
+    this.masterSecret         = masterSecret;
+    this.slide                = slide;
+    this.listener             = new WeakReference<>(listener);
+    this.progressEventHandler = new ProgressEventHandler(this);
+  }
+
+  public void play(final double progress) throws IOException {
+    if (this.mediaPlayer != null) return;
+
+    this.mediaPlayer           = new MediaPlayer();
+    this.audioAttachmentServer = new AudioAttachmentServer(context, masterSecret, slide.asAttachment());
+
+    audioAttachmentServer.start();
+
+    mediaPlayer.setDataSource(context, audioAttachmentServer.getUri());
+    mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
+    mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+      @Override
+      public void onPrepared(MediaPlayer mp) {
+        Log.w(TAG, "onPrepared");
+        if (progress > 0) {
+          mediaPlayer.seekTo((int)(mediaPlayer.getDuration() * progress));
+        }
+
+        mediaPlayer.start();
+
+        notifyOnStart();
+        setPlaying(AudioSlidePlayer.this);
+        progressEventHandler.sendEmptyMessage(0);
+      }
+    });
+
+    mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+      @Override
+      public void onCompletion(MediaPlayer mp) {
+        Log.w(TAG, "onComplete");
+        mediaPlayer = null;
+        audioAttachmentServer.stop();
+        audioAttachmentServer = null;
+
+        notifyOnStop();
+        progressEventHandler.removeMessages(0);
+      }
+    });
+
+    mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
+      @Override
+      public boolean onError(MediaPlayer mp, int what, int extra) {
+        Log.w(TAG, "MediaPlayer Error: " + what + " , " + extra);
+        notifyOnStop();
+        return true;
+      }
+    });
+
+    mediaPlayer.prepareAsync();
+  }
+
+  public void stop() {
+    Log.w(TAG, "Stop called!");
+    shutdown();
+  }
+
+  public void setListener(@NonNull Listener listener) {
+    this.listener = new WeakReference<>(listener);
+
+    if (this.mediaPlayer != null && this.mediaPlayer.isPlaying()) {
+      notifyOnStart();
+    }
+  }
+
+  public @NonNull AudioSlide getAudioSlide() {
+    return slide;
+  }
+
+  private void shutdown() {
+    removePlaying(this);
+
+    if (this.mediaPlayer != null) {
+      this.mediaPlayer.stop();
+    }
+
+    if (this.audioAttachmentServer != null) {
+      this.audioAttachmentServer.stop();
+    }
+
+    this.mediaPlayer           = null;
+    this.audioAttachmentServer = null;
+  }
+
+  private Pair<Double, Integer> getProgress() {
+    if (mediaPlayer == null || mediaPlayer.getCurrentPosition() <= 0 || mediaPlayer.getDuration() <= 0) {
+      return new Pair<>(0D, 0);
+    } else {
+      return new Pair<>((double) mediaPlayer.getCurrentPosition() / (double) mediaPlayer.getDuration(),
+                        mediaPlayer.getCurrentPosition());
+    }
+  }
+
+  private void notifyOnStart() {
+    Util.runOnMain(new Runnable() {
+      @Override
+      public void run() {
+        getListener().onStart();
+      }
+    });
+  }
+
+  private void notifyOnStop() {
+    Util.runOnMain(new Runnable() {
+      @Override
+      public void run() {
+        getListener().onStop();
+      }
+    });
+  }
+
+  private void notifyOnProgress(final double progress, final long millis) {
+    Util.runOnMain(new Runnable() {
+      @Override
+      public void run() {
+        getListener().onProgress(progress, millis);
+      }
+    });
+  }
+
+  private @NonNull Listener getListener() {
+    Listener listener = this.listener.get();
+
+    if (listener != null) return listener;
+    else                  return new Listener() {
+      @Override
+      public void onStart() {}
+      @Override
+      public void onStop() {}
+      @Override
+      public void onProgress(double progress, long millis) {}
+    };
+  }
+
+  private synchronized static void setPlaying(@NonNull AudioSlidePlayer player) {
+    if (playing.isPresent() && playing.get() != player) {
+      playing.get().notifyOnStop();
+      playing.get().stop();
+    }
+
+    playing = Optional.of(player);
+  }
+
+  private synchronized static void removePlaying(@NonNull AudioSlidePlayer player) {
+    if (playing.isPresent() && playing.get() == player) {
+      playing = Optional.absent();
+    }
+  }
+
+  public interface Listener {
+    public void onStart();
+    public void onStop();
+    public void onProgress(double progress, long millis);
+  }
+
+  private static class ProgressEventHandler extends Handler {
+
+    private final WeakReference<AudioSlidePlayer> playerReference;
+
+    private ProgressEventHandler(@NonNull AudioSlidePlayer player) {
+      this.playerReference = new WeakReference<>(player);
+    }
+
+    @Override
+    public void handleMessage(Message msg) {
+      AudioSlidePlayer player = playerReference.get();
+
+      if (player == null || player.mediaPlayer == null || !player.mediaPlayer.isPlaying()) {
+        return;
+      }
+
+      Pair<Double, Integer> progress = player.getProgress();
+      player.notifyOnProgress(progress.first, progress.second);
+      sendEmptyMessageDelayed(0, 50);
+    }
+  }
+
+}

src/org/thoughtcrime/securesms/components/AnimatingToggle.java

@@ -57,4 +57,12 @@ public class AnimatingToggle extends FrameLayout {
 
     current = view;
   }
+
+  public void displayQuick(@Nullable View view) {
+    if (view == current) return;
+    if (current != null) current.setVisibility(View.GONE);
+    if (view != null)    view.setVisibility(View.VISIBLE);
+
+    current = view;
+  }
 }

src/org/thoughtcrime/securesms/components/AudioView.java

@@ -0,0 +1,233 @@
+package org.thoughtcrime.securesms.components;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.os.Build;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+import com.pnikosis.materialishprogress.ProgressWheel;
+
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.audio.AudioSlidePlayer;
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
+import org.thoughtcrime.securesms.jobs.PartProgressEvent;
+import org.thoughtcrime.securesms.mms.AudioSlide;
+import org.thoughtcrime.securesms.mms.SlideClickListener;
+import org.thoughtcrime.securesms.util.Util;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener {
+
+  private static final String TAG = AudioView.class.getSimpleName();
+
+  private final @NonNull AnimatingToggle controlToggle;
+  private final @NonNull ImageView       playButton;
+  private final @NonNull ImageView       pauseButton;
+  private final @NonNull ImageView       downloadButton;
+  private final @NonNull ProgressWheel   downloadProgress;
+  private final @NonNull SeekBar         seekBar;
+  private final @NonNull TextView        timestamp;
+
+  private @Nullable SlideClickListener downloadListener;
+  private @Nullable AudioSlidePlayer   audioSlidePlayer;
+  private int backwardsCounter;
+
+  public AudioView(Context context) {
+    this(context, null);
+  }
+
+  public AudioView(Context context, AttributeSet attrs) {
+    this(context, attrs, 0);
+  }
+
+  public AudioView(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+    inflate(context, R.layout.audio_view, this);
+
+    this.controlToggle    = (AnimatingToggle) findViewById(R.id.control_toggle);
+    this.playButton       = (ImageView) findViewById(R.id.play);
+    this.pauseButton      = (ImageView) findViewById(R.id.pause);
+    this.downloadButton   = (ImageView) findViewById(R.id.download);
+    this.downloadProgress = (ProgressWheel) findViewById(R.id.download_progress);
+    this.seekBar          = (SeekBar) findViewById(R.id.seek);
+    this.timestamp        = (TextView) findViewById(R.id.timestamp);
+
+    this.playButton.setOnClickListener(new PlayClickedListener());
+    this.pauseButton.setOnClickListener(new PauseClickedListener());
+    this.seekBar.setOnSeekBarChangeListener(new SeekBarModifiedListener());
+
+    if (attrs != null) {
+      TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.AudioView, 0, 0);
+      setTint(typedArray.getColor(R.styleable.AudioView_tintColor, Color.WHITE));
+      typedArray.recycle();
+    }
+  }
+
+  public void setAudio(final @NonNull MasterSecret masterSecret,
+                       final @NonNull AudioSlide audio,
+                       final boolean showControls)
+  {
+
+    if (showControls && audio.isPendingDownload()) {
+      controlToggle.displayQuick(downloadButton);
+      seekBar.setEnabled(false);
+      downloadButton.setOnClickListener(new DownloadClickedListener(audio));
+      if (downloadProgress.isSpinning()) downloadProgress.stopSpinning();
+    } else if (showControls && audio.getTransferState() == AttachmentDatabase.TRANSFER_PROGRESS_STARTED) {
+      controlToggle.displayQuick(downloadProgress);
+      seekBar.setEnabled(false);
+      downloadProgress.spin();
+    } else {
+      controlToggle.displayQuick(playButton);
+      seekBar.setEnabled(true);
+      if (downloadProgress.isSpinning()) downloadProgress.stopSpinning();
+    }
+
+    this.audioSlidePlayer = AudioSlidePlayer.createFor(getContext(), masterSecret, audio, this);
+  }
+
+  public void cleanup() {
+    if (this.audioSlidePlayer != null && pauseButton.getVisibility() == View.VISIBLE) {
+      this.audioSlidePlayer.stop();
+    }
+  }
+
+  public void setDownloadClickListener(@Nullable SlideClickListener listener) {
+    this.downloadListener = listener;
+  }
+
+  @Override
+  public void onStart() {
+    this.controlToggle.display(this.pauseButton);
+  }
+
+  @Override
+  public void onStop() {
+    this.controlToggle.display(this.playButton);
+  }
+
+  @Override
+  public void onProgress(double progress, long millis) {
+    int seekProgress = (int)Math.floor(progress * this.seekBar.getMax());
+
+    if (seekProgress > seekBar.getProgress() || backwardsCounter > 3) {
+      backwardsCounter = 0;
+      this.seekBar.setProgress(seekProgress);
+      this.timestamp.setText(String.format("%02d:%02d",
+                                           TimeUnit.MILLISECONDS.toMinutes(millis),
+                                           TimeUnit.MILLISECONDS.toSeconds(millis)));
+    } else {
+      backwardsCounter++;
+    }
+  }
+
+  public void setTint(int tint) {
+    this.playButton.setColorFilter(tint, PorterDuff.Mode.SRC_IN);
+    this.pauseButton.setColorFilter(tint, PorterDuff.Mode.SRC_IN);
+    this.downloadButton.setColorFilter(tint, PorterDuff.Mode.SRC_IN);
+    this.downloadProgress.setBarColor(tint);
+
+    this.timestamp.setTextColor(tint);
+    this.seekBar.getProgressDrawable().setColorFilter(tint, PorterDuff.Mode.SRC_IN);
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+      this.seekBar.getThumb().setColorFilter(tint, PorterDuff.Mode.SRC_IN);
+    }
+  }
+
+  private double getProgress() {
+    if (this.seekBar.getProgress() <= 0 || this.seekBar.getMax() <= 0) {
+      return 0;
+    } else {
+      return (double)this.seekBar.getProgress() / (double)this.seekBar.getMax();
+    }
+  }
+
+  private class PlayClickedListener implements View.OnClickListener {
+    @Override
+    public void onClick(View v) {
+      try {
+        Log.w(TAG, "playbutton onClick");
+        if (audioSlidePlayer != null) {
+          controlToggle.display(pauseButton);
+          audioSlidePlayer.play(getProgress());
+        }
+      } catch (IOException e) {
+        Log.w(TAG, e);
+      }
+    }
+  }
+
+  private class PauseClickedListener implements View.OnClickListener {
+    @Override
+    public void onClick(View v) {
+      Log.w(TAG, "pausebutton onClick");
+      if (audioSlidePlayer != null) {
+        controlToggle.display(playButton);
+        audioSlidePlayer.stop();
+      }
+    }
+  }
+
+  private class DownloadClickedListener implements View.OnClickListener {
+    private final @NonNull AudioSlide slide;
+
+    private DownloadClickedListener(@NonNull AudioSlide slide) {
+      this.slide = slide;
+    }
+
+    @Override
+    public void onClick(View v) {
+      if (downloadListener != null) downloadListener.onClick(v, slide);
+    }
+  }
+
+  private class SeekBarModifiedListener implements SeekBar.OnSeekBarChangeListener {
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {}
+
+    @Override
+    public synchronized void onStartTrackingTouch(SeekBar seekBar) {
+      if (audioSlidePlayer != null && pauseButton.getVisibility() == View.VISIBLE) {
+        audioSlidePlayer.stop();
+      }
+    }
+
+    @Override
+    public synchronized void onStopTrackingTouch(SeekBar seekBar) {
+      try {
+        if (audioSlidePlayer != null && pauseButton.getVisibility() == View.VISIBLE) {
+          audioSlidePlayer.play(getProgress());
+        }
+      } catch (IOException e) {
+        Log.w(TAG, e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unused")
+  public void onEventAsync(final PartProgressEvent event) {
+    if (audioSlidePlayer != null && event.attachment.equals(this.audioSlidePlayer.getAudioSlide().asAttachment())) {
+      Util.runOnMain(new Runnable() {
+        @Override
+        public void run() {
+          downloadProgress.setInstantProgress(((float) event.progress) / event.total);
+        }
+      });
+    }
+  }
+
+}

src/org/thoughtcrime/securesms/components/RemovableMediaView.java

@@ -0,0 +1,65 @@
+package org.thoughtcrime.securesms.components;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import org.thoughtcrime.securesms.R;
+
+public class RemovableMediaView extends FrameLayout {
+
+  private final @NonNull ImageView remove;
+  private final int removeSize;
+
+  private @Nullable View current;
+
+  public RemovableMediaView(Context context) {
+    this(context, null);
+  }
+
+  public RemovableMediaView(Context context, AttributeSet attrs) {
+    this(context, attrs, 0);
+  }
+
+  public RemovableMediaView(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+
+    this.remove     = (ImageView)LayoutInflater.from(context).inflate(R.layout.media_view_remove_button, this, false);
+    this.removeSize = getResources().getDimensionPixelSize(R.dimen.media_bubble_remove_button_size);
+
+    this.remove.setVisibility(View.GONE);
+  }
+
+  @Override
+  public void onFinishInflate() {
+    super.onFinishInflate();
+    this.addView(remove);
+  }
+
+  public void display(@Nullable View view) {
+    if (view == current) return;
+    if (current != null) current.setVisibility(View.GONE);
+
+    if (view != null) {
+      MarginLayoutParams params = (MarginLayoutParams)view.getLayoutParams();
+      params.setMargins(0, removeSize / 2, removeSize / 2, 0);
+      view.setLayoutParams(params);
+
+      view.setVisibility(View.VISIBLE);
+      remove.setVisibility(View.VISIBLE);
+    } else {
+      remove.setVisibility(View.GONE);
+    }
+
+    current = view;
+  }
+
+  public void setRemoveClickListener(View.OnClickListener listener) {
+    this.remove.setOnClickListener(listener);
+  }
+}

src/org/thoughtcrime/securesms/components/ThumbnailView.java

@@ -17,34 +17,30 @@ import android.widget.ImageView;
 import com.bumptech.glide.DrawableRequestBuilder;
 import com.bumptech.glide.GenericRequestBuilder;
 import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.resource.bitmap.GlideBitmapDrawable;
-import com.bumptech.glide.load.resource.drawable.GlideDrawable;
-import com.bumptech.glide.request.RequestListener;
-import com.bumptech.glide.request.target.Target;
 
 import org.thoughtcrime.securesms.R;
-import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
 import org.thoughtcrime.securesms.mms.RoundedCorners;
 import org.thoughtcrime.securesms.mms.Slide;
+import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.whispersystems.libaxolotl.util.guava.Optional;
 
 public class ThumbnailView extends FrameLayout {
+
   private static final String TAG = ThumbnailView.class.getSimpleName();
 
   private ImageView       image;
-  private ImageView       removeButton;
   private int             backgroundColorHint;
   private int             radius;
   private OnClickListener parentClickListener;
 
   private Optional<TransferControlView> transferControls       = Optional.absent();
-  private ThumbnailClickListener          thumbnailClickListener = null;
+  private SlideClickListener            thumbnailClickListener = null;
-  private ThumbnailClickListener          downloadClickListener  = null;
+  private SlideClickListener            downloadClickListener  = null;
   private Slide                         slide                  = null;
 
   public ThumbnailView(Context context) {
@@ -57,9 +53,11 @@ public class ThumbnailView extends FrameLayout {
 
   public ThumbnailView(final Context context, AttributeSet attrs, int defStyle) {
     super(context, attrs, defStyle);
+
     inflate(context, R.layout.thumbnail_view, this);
-    radius = getResources().getDimensionPixelSize(R.dimen.message_bubble_corner_radius);
+
-    image  = (ImageView) findViewById(R.id.thumbnail_image);
+    this.radius = getResources().getDimensionPixelSize(R.dimen.message_bubble_corner_radius);
+    this.image  = (ImageView) findViewById(R.id.thumbnail_image);
     super.setOnClickListener(new ThumbnailClickDispatcher());
 
     if (attrs != null) {
@@ -86,21 +84,6 @@ public class ThumbnailView extends FrameLayout {
     if (transferControls.isPresent()) transferControls.get().setClickable(clickable);
   }
 
-  @Override
-  protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-    super.onLayout(changed, left, top, right, bottom);
-    if (removeButton != null) {
-      final int paddingHorizontal = removeButton.getWidth()  / 2;
-      final int paddingVertical   = removeButton.getHeight() / 2;
-      image.setPadding(paddingHorizontal, paddingVertical, paddingHorizontal, 0);
-    }
-  }
-
-  private ImageView getRemoveButton() {
-    if (removeButton == null) removeButton = ViewUtil.inflateStub(this, R.id.remove_button_stub);
-    return removeButton;
-  }
-
   private TransferControlView getTransferControls() {
     if (!transferControls.isPresent()) {
       transferControls = Optional.of((TransferControlView)ViewUtil.inflateStub(this, R.id.transfer_controls_stub));
@@ -112,9 +95,8 @@ public class ThumbnailView extends FrameLayout {
     this.backgroundColorHint = color;
   }
 
-  public void setImageResource(@NonNull MasterSecret masterSecret, @NonNull Slide slide,
+  public void setImageResource(@NonNull MasterSecret masterSecret, @NonNull Slide slide, boolean showControls) {
-                               boolean showControls, boolean showRemove)
+
-  {
     if (Util.equals(slide, this.slide)) {
       Log.w(TAG, "Not re-loading slide " + slide.asAttachment().getDataUri());
       return;
@@ -137,22 +119,16 @@ public class ThumbnailView extends FrameLayout {
 
     this.slide = slide;
 
-    if      (slide.getThumbnailUri() != null) buildThumbnailGlideRequest(slide, masterSecret, showRemove).into(image);
+    if      (slide.getThumbnailUri() != null) buildThumbnailGlideRequest(slide, masterSecret).into(image);
     else if (slide.hasPlaceholder())          buildPlaceholderGlideRequest(slide).into(image);
     else                                      Glide.clear(image);
   }
 
-  public void setThumbnailClickListener(ThumbnailClickListener listener) {
+  public void setThumbnailClickListener(SlideClickListener listener) {
     this.thumbnailClickListener = listener;
   }
 
-  public void setRemoveClickListener(OnClickListener listener) {
+  public void setDownloadClickListener(SlideClickListener listener) {
-    getRemoveButton().setOnClickListener(listener);
-    final int pad = getResources().getDimensionPixelSize(R.dimen.media_bubble_remove_button_size);
-    image.setPadding(pad, pad, pad, 0);
-  }
-
-  public void setDownloadClickListener(ThumbnailClickListener listener) {
     this.downloadClickListener = listener;
   }
 
@@ -174,15 +150,11 @@ public class ThumbnailView extends FrameLayout {
            !((Activity)getContext()).isDestroyed();
   }
 
-  private GenericRequestBuilder buildThumbnailGlideRequest(@NonNull Slide slide, @NonNull MasterSecret masterSecret, boolean showRemove) {
+  private GenericRequestBuilder buildThumbnailGlideRequest(@NonNull Slide slide, @NonNull MasterSecret masterSecret) {
     DrawableRequestBuilder<DecryptableUri> builder = Glide.with(getContext()).load(new DecryptableUri(masterSecret, slide.getThumbnailUri()))
                                                           .crossFade()
                                                           .transform(new RoundedCorners(getContext(), true, radius, backgroundColorHint));
 
-    if (showRemove) {
-      builder = builder.listener(new ThumbnailSetListener(slide.asAttachment()));
-    }
-
     if (slide.isInProgress()) return builder;
     else                      return builder.error(R.drawable.ic_missing_thumbnail_picture);
   }
@@ -193,10 +165,6 @@ public class ThumbnailView extends FrameLayout {
                                    .fitCenter();
   }
 
-  public interface ThumbnailClickListener {
-    void onClick(View v, Slide slide);
-  }
-
   private class ThumbnailClickDispatcher implements View.OnClickListener {
     @Override
     public void onClick(View view) {
@@ -220,36 +188,4 @@ public class ThumbnailView extends FrameLayout {
       }
     }
   }
-
-  private class ThumbnailSetListener implements RequestListener<Object, GlideDrawable> {
-
-    private final Attachment attachment;
-
-    public ThumbnailSetListener(@NonNull Attachment attachment) {
-      this.attachment = attachment;
-    }
-
-    @Override
-    public boolean onException(Exception e, Object model, Target<GlideDrawable> target, boolean isFirstResource) {
-      return false;
-    }
-
-    @Override
-    public boolean onResourceReady(GlideDrawable resource, Object model, Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) {
-      if (resource instanceof GlideBitmapDrawable) {
-        Log.w(TAG, "onResourceReady() for a Bitmap. Saving.");
-        attachment.setThumbnail(((GlideBitmapDrawable) resource).getBitmap());
-      }
-      LayoutParams layoutParams = (LayoutParams) getRemoveButton().getLayoutParams();
-      if (resource.getIntrinsicWidth() < getWidth()) {
-        layoutParams.topMargin   = 0;
-        layoutParams.rightMargin = Math.max(0, (getWidth() - image.getPaddingRight() - resource.getIntrinsicWidth()) / 2);
-      } else {
-        layoutParams.topMargin   = Math.max(0, (getHeight() - image.getPaddingTop() - resource.getIntrinsicHeight()) / 2);
-        layoutParams.rightMargin = 0;
-      }
-      getRemoveButton().setLayoutParams(layoutParams);
-      return false;
-    }
-  }
 }

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

@@ -279,7 +279,6 @@ public class MmsSmsDatabase extends Database {
       return getCurrent();
     }
 
-    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     public MessageRecord getCurrent() {
       String type = cursor.getString(cursor.getColumnIndexOrThrow(TRANSPORT));
 

src/org/thoughtcrime/securesms/mms/AttachmentManager.java

@@ -34,6 +34,8 @@ import android.view.animation.Animation;
 import android.widget.Toast;
 
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.components.AudioView;
+import org.thoughtcrime.securesms.components.RemovableMediaView;
 import org.thoughtcrime.securesms.components.ThumbnailView;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.providers.CaptureProvider;
@@ -43,24 +45,29 @@ import org.thoughtcrime.securesms.util.MediaUtil;
 import java.io.IOException;
 
 public class AttachmentManager {
+
   private final static String TAG = AttachmentManager.class.getSimpleName();
 
-  private final Context            context;
+  private final @NonNull Context            context;
-  private final View               attachmentView;
+  private final @NonNull View               attachmentView;
-  private final ThumbnailView      thumbnail;
+  private final @NonNull RemovableMediaView removableMediaView;
-  private final SlideDeck          slideDeck;
+  private final @NonNull ThumbnailView      thumbnail;
-  private final AttachmentListener attachmentListener;
+  private final @NonNull AudioView          audioView;
+  private final @NonNull SlideDeck          slideDeck;
+  private final @NonNull AttachmentListener attachmentListener;
 
   private Uri captureUri;
 
-  public AttachmentManager(Activity view, AttachmentListener listener) {
+  public AttachmentManager(@NonNull Activity view, @NonNull AttachmentListener listener) {
     this.attachmentView     = view.findViewById(R.id.attachment_editor);
     this.thumbnail          = (ThumbnailView) view.findViewById(R.id.attachment_thumbnail);
+    this.audioView          = (AudioView) view.findViewById(R.id.attachment_audio);
+    this.removableMediaView = (RemovableMediaView) view.findViewById(R.id.removable_media_view);
     this.slideDeck          = new SlideDeck();
     this.context            = view;
     this.attachmentListener = listener;
 
-    thumbnail.setRemoveClickListener(new RemoveButtonListener());
+    removableMediaView.setRemoveClickListener(new RemoveButtonListener());
   }
 
   public void clear() {
@@ -81,6 +88,7 @@ public class AttachmentManager {
     });
 
     attachmentView.startAnimation(animation);
+    audioView.cleanup();
   }
 
   public void cleanup() {
@@ -135,7 +143,15 @@ public class AttachmentManager {
         } else {
           slideDeck.addSlide(slide);
           attachmentView.setVisibility(View.VISIBLE);
-          thumbnail.setImageResource(masterSecret, slide, false, true);
+
+          if (slide.hasAudio()) {
+            audioView.setAudio(masterSecret, (AudioSlide)slide, false);
+            removableMediaView.display(audioView);
+          } else {
+            thumbnail.setImageResource(masterSecret, slide, false);
+            removableMediaView.display(thumbnail);
+          }
+
           attachmentListener.onAttachmentChanged();
         }
       }

src/org/thoughtcrime/securesms/mms/SlideClickListener.java

@@ -0,0 +1,7 @@
+package org.thoughtcrime.securesms.mms;
+
+import android.view.View;
+
+public interface SlideClickListener {
+  void onClick(View v, Slide slide);
+}

src/org/thoughtcrime/securesms/mms/SlideDeck.java

@@ -81,6 +81,17 @@ public class SlideDeck {
         return slide;
       }
     }
+
+    return null;
+  }
+
+  public @Nullable AudioSlide getAudioSlide() {
+    for (Slide slide : slides) {
+      if (slide.hasAudio()) {
+        return (AudioSlide)slide;
+      }
+    }
+
     return null;
   }
 }