Add gallery button to MediaPreview

// FREEBIE

AndroidManifest.xml

@@ -308,6 +308,7 @@
 
     <activity android:name=".MediaOverviewActivity"
               android:windowSoftInputMode="stateHidden"
+              android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".DummyActivity"

res/menu/media_preview.xml

@@ -9,4 +9,8 @@
           android:title="@string/media_preview__save_title"
           android:icon="@drawable/ic_save_white_24dp"
           app:showAsAction="always"/>
+    <item android:id="@+id/media_preview__overview"
+          android:title="@string/media_preview__overview_title"
+          android:icon="@drawable/ic_photo_library_white_24dp"
+          app:showAsAction="ifRoom"/>
 </menu>

res/values/strings.xml

@@ -1245,6 +1245,7 @@
     <!-- media_preview -->
     <string name="media_preview__save_title">Save</string>
     <string name="media_preview__forward_title">Forward</string>
+    <string name="media_preview__overview_title">All images</string>
 
     <!-- media_overview -->
     <string name="media_overview__save_all">Save all</string>

src/org/thoughtcrime/securesms/ConversationItem.java

@@ -542,6 +542,7 @@ public class ConversationItem extends LinearLayout
         if (!messageRecord.isOutgoing()) intent.putExtra(MediaPreviewActivity.RECIPIENT_EXTRA, recipient.getRecipientId());
         intent.putExtra(MediaPreviewActivity.DATE_EXTRA, messageRecord.getTimestamp());
         intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, slide.asAttachment().getSize());
+        intent.putExtra(MediaPreviewActivity.THREAD_ID_EXTRA, messageRecord.getThreadId());
 
         context.startActivity(intent);
       } else {

src/org/thoughtcrime/securesms/ImageMediaAdapter.java

@@ -41,6 +41,7 @@ public class ImageMediaAdapter extends CursorRecyclerViewAdapter<ViewHolder> {
   private static final String TAG = ImageMediaAdapter.class.getSimpleName();
 
   private final MasterSecret masterSecret;
+  private final long         threadId;
 
   public static class ViewHolder extends RecyclerView.ViewHolder {
     public ThumbnailView imageView;
@@ -51,9 +52,10 @@ public class ImageMediaAdapter extends CursorRecyclerViewAdapter<ViewHolder> {
     }
   }
 
-  public ImageMediaAdapter(Context context, MasterSecret masterSecret, Cursor c) {
+  public ImageMediaAdapter(Context context, MasterSecret masterSecret, Cursor c, long threadId) {
     super(context, c);
     this.masterSecret = masterSecret;
+    this.threadId     = threadId;
   }
 
   @Override
@@ -87,6 +89,7 @@ public class ImageMediaAdapter extends CursorRecyclerViewAdapter<ViewHolder> {
     public void onClick(View v) {
       Intent intent = new Intent(getContext(), MediaPreviewActivity.class);
       intent.putExtra(MediaPreviewActivity.DATE_EXTRA, imageRecord.getDate());
+      intent.putExtra(MediaPreviewActivity.THREAD_ID_EXTRA, threadId);
 
       if (!TextUtils.isEmpty(imageRecord.getAddress())) {
         Recipients recipients = RecipientFactory.getRecipientsFromString(getContext(),

src/org/thoughtcrime/securesms/MediaOverviewActivity.java

@@ -135,14 +135,19 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity i
     final long recipientId = getIntent().getLongExtra(RECIPIENT_EXTRA, -1);
     if (recipientId > -1) {
       recipient = RecipientFactory.getRecipientForId(this, recipientId, true);
+    } else if (threadId > -1){
+      recipient = DatabaseFactory.getThreadDatabase(this).getRecipientsForThreadId(threadId).getPrimaryRecipient();
+    } else {
+      recipient = null;
+    }
+
+    if (recipient != null) {
       recipient.addListener(new RecipientModifiedListener() {
         @Override
         public void onModified(Recipient recipient) {
           initializeActionBar();
         }
       });
-    } else {
-      recipient = null;
     }
   }
 
@@ -215,7 +220,7 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity i
   @Override
   public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
     Log.w(TAG, "onLoadFinished()");
-    gridView.setAdapter(new ImageMediaAdapter(this, masterSecret, cursor));
+    gridView.setAdapter(new ImageMediaAdapter(this, masterSecret, cursor, threadId));
     noImages.setVisibility(gridView.getAdapter().getItemCount() > 0 ? View.GONE : View.VISIBLE);
     invalidateOptionsMenu();
   }

src/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -53,6 +53,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   private final static String TAG = MediaPreviewActivity.class.getSimpleName();
 
   public static final String RECIPIENT_EXTRA = "recipient";
+  public static final String THREAD_ID_EXTRA = "thread_id";
   public static final String DATE_EXTRA      = "date";
   public static final String SIZE_EXTRA      = "size";
 
@@ -65,6 +66,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   private Uri               mediaUri;
   private String            mediaType;
   private Recipient         recipient;
+  private long              threadId;
   private long              date;
   private long              size;
 
@@ -148,6 +150,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     mediaType    = getIntent().getType();
     date         = getIntent().getLongExtra(DATE_EXTRA, System.currentTimeMillis());
     size         = getIntent().getLongExtra(SIZE_EXTRA, 0);
+    threadId     = getIntent().getLongExtra(THREAD_ID_EXTRA, -1);
 
     if (recipientId > -1) {
       recipient = RecipientFactory.getRecipientForId(this, recipientId, true);
@@ -188,6 +191,12 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     video.cleanup();
   }
 
+  private void showOverview() {
+    Intent intent = new Intent(this, MediaOverviewActivity.class);
+    intent.putExtra(MediaOverviewActivity.THREAD_ID_EXTRA, threadId);
+    startActivity(intent);
+  }
+
   private void forward() {
     Intent composeIntent = new Intent(this, ShareActivity.class);
     composeIntent.putExtra(Intent.EXTRA_STREAM, mediaUri);
@@ -212,6 +221,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     menu.clear();
     MenuInflater inflater = this.getMenuInflater();
     inflater.inflate(R.menu.media_preview, menu);
+    if (threadId == -1) menu.findItem(R.id.media_overview).setVisible(false);
 
     return true;
   }
@@ -221,6 +231,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     super.onOptionsItemSelected(item);
 
     switch (item.getItemId()) {
+      case R.id.media_preview__overview: showOverview(); return true;
       case R.id.media_preview__forward:  forward();      return true;
       case R.id.save:                    saveToDisk();   return true;
       case android.R.id.home:            finish();       return true;