Preview available when user clicks on thumbnail in file detail

Author: fesave

owncloudApp/src/main/java/com/owncloud/android/ui/fragment/FileDetailFragment.java

@@ -53,6 +53,9 @@
 import com.owncloud.android.ui.controller.TransferProgressController;
 import com.owncloud.android.ui.dialog.RemoveFilesDialogFragment;
 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
+import com.owncloud.android.ui.preview.PreviewAudioFragment;
+import com.owncloud.android.ui.preview.PreviewImageFragment;
+import com.owncloud.android.ui.preview.PreviewTextFragment;
 import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.MimetypeIconUtil;
 import com.owncloud.android.utils.PreferenceUtils;
@@ -329,11 +332,33 @@ public void onClick(View v) {
                 ((FileDisplayActivity) mContainerActivity).cancelTransference(getFile());
                 break;
             }
+            case R.id.fdIcon: {
+                displayFile(getFile());
+            }
             default:
                 Timber.e("Incorrect view clicked!");
         }
     }
 
+    private void displayFile(OCFile file) {
+        if (PreviewImageFragment.canBePreviewed(file)) {
+            // preview image - it handles the sync, if needed
+            ((FileDisplayActivity) mContainerActivity).startImagePreview(file);
+        } else if (PreviewTextFragment.canBePreviewed(file)) {
+            ((FileDisplayActivity) mContainerActivity).startTextPreview(file);
+            mContainerActivity.getFileOperationsHelper().syncFile(file);
+
+        } else if (PreviewAudioFragment.canBePreviewed(file)) {
+            // media preview
+            ((FileDisplayActivity) mContainerActivity).startAudioPreview(file, 0);
+            mContainerActivity.getFileOperationsHelper().syncFile(file);
+
+        } else {
+            // sync file content, then open with external apps
+            ((FileDisplayActivity) mContainerActivity).startSyncThenOpen(file);
+        }
+    }
+
     /**
      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be
      * replaced.
@@ -424,6 +449,7 @@ private void setFiletype(OCFile file) {
         }
 
         ImageView iv = getView().findViewById(R.id.fdIcon);
+        iv.setOnClickListener(this);
 
         if (iv != null) {
             Bitmap thumbnail;

owncloudApp/src/main/res/layout/file_details_fragment.xml

@@ -45,8 +45,8 @@
             android:layout_width="0dp"
             android:layout_height="0dp"
             android:ellipsize="end"
-            android:paddingStart="@dimen/standard_margin"
             android:gravity="center_vertical"
+            android:paddingStart="@dimen/standard_margin"
             android:text=""
             android:textAppearance="?android:attr/textAppearanceLarge"
             app:layout_constraintBottom_toBottomOf="@id/fdIcon"