[TESTING] Support background colors for Group block

WordPress/src/main/java/org/wordpress/android/ui/posts/EditPostActivity.java

@@ -2720,6 +2720,13 @@ postId, getSite(), mediaUri,
                         mOnGetMentionResult = null;
                     }
                     break;
+                case RequestCodes.FILE_LIBRARY:
+                    uris = WPMediaUtils.retrieveMediaUris(data);
+                    mAnalyticsTrackerWrapper.track(Stat.EDITOR_ADDED_FILE_VIA_LIBRARY);
+                    for (Uri item : uris) {
+                        mEditorMedia.addNewMediaToEditorAsync(item, false);
+                    }
+                    break;
             }
         }
 
@@ -2967,6 +2974,11 @@ public void onAddGifClicked(boolean allowMultipleSelection) {
         onPhotoPickerIconClicked(PhotoPickerIcon.GIF, allowMultipleSelection);
     }
 
+    @Override
+    public void onAddFileClicked(boolean allowMultipleSelection) {
+        WPMediaUtils.launchFileLibrary(this, allowMultipleSelection);
+    }
+
     @Override
     public void onPerformFetch(String path, Consumer<String> onResult, Consumer<Bundle> onError) {
         if (mSite != null) {

libs/analytics/WordPressAnalytics/src/main/java/org/wordpress/android/analytics/AnalyticsTracker.java

@@ -139,6 +139,7 @@ public enum Stat {
         EDITOR_ADDED_PHOTO_VIA_WP_MEDIA_LIBRARY,
         EDITOR_ADDED_VIDEO_VIA_WP_MEDIA_LIBRARY,
         EDITOR_ADDED_PHOTO_VIA_STOCK_MEDIA_LIBRARY,
+        EDITOR_ADDED_FILE_VIA_LIBRARY,
         MEDIA_PHOTO_OPTIMIZED,
         MEDIA_PHOTO_OPTIMIZE_ERROR,
         MEDIA_VIDEO_OPTIMIZED,

libs/analytics/WordPressAnalytics/src/main/java/org/wordpress/android/analytics/AnalyticsTrackerNosara.java

@@ -793,6 +793,8 @@ public static String getEventNameForStat(AnalyticsTracker.Stat stat) {
                 return "editor_video_added";
             case EDITOR_ADDED_PHOTO_VIA_STOCK_MEDIA_LIBRARY:
                 return "editor_photo_added";
+            case EDITOR_ADDED_FILE_VIA_LIBRARY:
+                return "editor_file_added";
             case MEDIA_PHOTO_OPTIMIZED:
                 return "media_photo_optimized";
             case MEDIA_PHOTO_OPTIMIZE_ERROR:

libs/editor/WordPressEditor/src/main/java/org/wordpress/android/editor/EditorFragmentAbstract.java

@@ -199,6 +199,7 @@ public interface EditorFragmentListener extends DialogVisibilityProvider {
         void onHtmlModeToggledInToolbar();
         void onAddStockMediaClicked(boolean allowMultipleSelection);
         void onAddGifClicked(boolean allowMultipleSelection);
+        void onAddFileClicked(boolean allowMultipleSelection);
         void onPerformFetch(String path, Consumer<String> onResult, Consumer<Bundle> onError);
         void onGutenbergEditorSessionTemplateApplyTracked(String template);
         void onGutenbergEditorSessionTemplatePreviewTracked(String template);

libs/editor/WordPressEditor/src/main/java/org/wordpress/android/editor/gutenberg/GutenbergEditorFragment.java

@@ -97,6 +97,7 @@ public class GutenbergEditorFragment extends EditorFragmentAbstract implements
     private static final int CAPTURE_PHOTO_PERMISSION_REQUEST_CODE = 101;
     private static final int CAPTURE_VIDEO_PERMISSION_REQUEST_CODE = 102;
 
+    private static final String MEDIA_SOURCE_FILE = "MEDIA_SOURCE_FILE";
     private static final String MEDIA_SOURCE_STOCK_MEDIA = "MEDIA_SOURCE_STOCK_MEDIA";
     private static final String GIF_MEDIA = "GIF_MEDIA";
 
@@ -263,12 +264,27 @@ public ArrayList<MediaOption> onGetOtherMediaImageOptions() {
                         return otherMediaImageOptions;
                     }
 
+                    @Override
+                    public ArrayList<MediaOption> onGetOtherMediaFileOptions() {
+                        ArrayList<MediaOption> otherMediaFileOptions = initOtherMediaFileOptions();
+                        return otherMediaFileOptions;
+                    }
+
                     @Override
                     public void onOtherMediaButtonClicked(String mediaSource, boolean allowMultipleSelection) {
-                        if (mediaSource.equals(MEDIA_SOURCE_STOCK_MEDIA)) {
-                            mEditorFragmentListener.onAddStockMediaClicked(allowMultipleSelection);
-                        } else if (mediaSource.equals(GIF_MEDIA)) {
-                            mEditorFragmentListener.onAddGifClicked(allowMultipleSelection);
+                        switch (mediaSource) {
+                            case MEDIA_SOURCE_STOCK_MEDIA:
+                                mEditorFragmentListener.onAddStockMediaClicked(allowMultipleSelection);
+                                break;
+                            case GIF_MEDIA:
+                                mEditorFragmentListener.onAddGifClicked(allowMultipleSelection);
+                                break;
+                            case MEDIA_SOURCE_FILE:
+                                mEditorFragmentListener.onAddFileClicked(allowMultipleSelection);
+                                break;
+                            default:
+                                AppLog.e(T.EDITOR,
+                                        "Unsupported media source " + mediaSource);
                         }
                     }
                 },
@@ -503,6 +519,26 @@ private ArrayList<MediaOption> initOtherMediaImageOptions() {
         return otherMediaOptions;
     }
 
+    private ArrayList<MediaOption> initOtherMediaFileOptions() {
+        ArrayList<MediaOption> otherMediaOptions = new ArrayList<>();
+
+        FragmentActivity activity = getActivity();
+        if (activity == null) {
+            AppLog.e(T.EDITOR,
+                    "Failed to initialize other media options because the activity is null");
+            return otherMediaOptions;
+        }
+
+        String packageName = activity.getApplication().getPackageName();
+
+        int chooseFileResourceId =
+                getResources().getIdentifier("photo_picker_choose_file", "string", packageName);
+
+        otherMediaOptions.add(new MediaOption(MEDIA_SOURCE_FILE, getString(chooseFileResourceId)));
+
+        return otherMediaOptions;
+    }
+
     @Override public void onResume() {
         super.onResume();
 
@@ -1016,7 +1052,8 @@ public void appendMediaFiles(Map<String, MediaFile> mediaList) {
             rnMediaList.add(createRNMediaUsingMimeType(mediaId,
                     url,
                     mediaEntry.getValue().getMimeType(),
-                    mediaEntry.getValue().getCaption()));
+                    mediaEntry.getValue().getCaption(),
+                    mediaEntry.getValue().getTitle()));
         }
 
         getGutenbergContainerFragment().appendMediaFiles(rnMediaList);