Merge pull request #2721 from deltachat/adb/issue-2720

allow to select all media

src/org/thoughtcrime/securesms/ProfileDocumentsAdapter.java

@@ -160,6 +160,12 @@ class ProfileDocumentsAdapter extends StickyHeaderGridAdapter {
     notifyDataSetChanged();
   }
 
+  public void selectAll() {
+    selected.clear();
+    selected.addAll(media.getAll());
+    notifyDataSetChanged();
+  }
+
   public int getSelectedMediaCount() {
     return selected.size();
   }

src/org/thoughtcrime/securesms/ProfileDocumentsFragment.java

@@ -150,6 +150,11 @@ public class ProfileDocumentsFragment
     }
   }
 
+  private void updateActionModeBar() {
+    actionMode.setTitle(String.valueOf(getListAdapter().getSelectedMediaCount()));
+    setCorrectMenuVisibility(actionMode.getMenu());
+  }
+
   private void handleMediaMultiSelectClick(@NonNull DcMsg mediaRecord) {
     ProfileDocumentsAdapter adapter = getListAdapter();
 
@@ -158,8 +163,7 @@ public class ProfileDocumentsFragment
       actionMode.finish();
       actionMode = null;
     } else {
-      actionMode.setTitle(String.valueOf(adapter.getSelectedMediaCount()));
-      setCorrectMenuVisibility(actionMode.getMenu());
+      updateActionModeBar();
     }
   }
 
@@ -271,6 +275,10 @@ public class ProfileDocumentsFragment
         case R.id.menu_resend:
           handleResendMessage(getListAdapter().getSelectedMedia());
           return true;
+        case R.id.menu_select_all:
+          getListAdapter().selectAll();
+          updateActionModeBar();
+          return true;
       }
       return false;
     }

src/org/thoughtcrime/securesms/ProfileGalleryAdapter.java

@@ -124,6 +124,12 @@ class ProfileGalleryAdapter extends StickyHeaderGridAdapter {
     notifyDataSetChanged();
   }
 
+  public void selectAll() {
+    selected.clear();
+    selected.addAll(media.getAll());
+    notifyDataSetChanged();
+  }
+
   public int getSelectedMediaCount() {
     return selected.size();
   }

src/org/thoughtcrime/securesms/ProfileGalleryFragment.java

@@ -142,6 +142,11 @@ public class ProfileGalleryFragment
     }
   }
 
+  private void updateActionModeBar() {
+    actionMode.setTitle(String.valueOf(getListAdapter().getSelectedMediaCount()));
+    setCorrectMenuVisibility(actionMode.getMenu());
+  }
+
   private void handleMediaMultiSelectClick(@NonNull DcMsg mediaRecord) {
     ProfileGalleryAdapter adapter = getListAdapter();
 
@@ -150,8 +155,7 @@ public class ProfileGalleryFragment
       actionMode.finish();
       actionMode = null;
     } else {
-      actionMode.setTitle(String.valueOf(adapter.getSelectedMediaCount()));
-      setCorrectMenuVisibility(actionMode.getMenu());
+      updateActionModeBar();
     }
   }
 
@@ -258,6 +262,10 @@ public class ProfileGalleryFragment
         case R.id.menu_resend:
           handleResendMessage(getListAdapter().getSelectedMedia());
           return true;
+        case R.id.menu_select_all:
+          getListAdapter().selectAll();
+          updateActionModeBar();
+          return true;
       }
       return false;
     }

src/org/thoughtcrime/securesms/ProfileSettingsFragment.java

@@ -272,6 +272,7 @@ public class ProfileSettingsFragment extends Fragment
       menu.findItem(R.id.save).setVisible(false);
       menu.findItem(R.id.share).setVisible(false);
       menu.findItem(R.id.menu_resend).setVisible(false);
+      menu.findItem(R.id.menu_select_all).setVisible(false);
       mode.setTitle("1");
 
       if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {

src/org/thoughtcrime/securesms/database/loaders/BucketedThreadMediaLoader.java

@@ -118,6 +118,17 @@ public class BucketedThreadMediaLoader extends AsyncTaskLoader<BucketedThreadMed
       OLDER.add(imageMessage);
     }
 
+    public LinkedList<DcMsg> getAll() {
+      LinkedList<DcMsg> messages = new LinkedList<>();
+      for (TimeBucket section : TIME_SECTIONS) {
+        messages.addAll(section.records);
+      }
+      for (List<DcMsg> records : OLDER.months.values()) {
+        messages.addAll(records);
+      }
+      return messages;
+    }
+
     public int getSectionCount() {
       return (int)Stream.of(TIME_SECTIONS)
                         .filter(timeBucket -> !timeBucket.isEmpty())