Android: handle read-only documents, use ACLs for sharing

docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java

@@ -184,9 +184,26 @@ public class DocumentViewActivity extends AppCompatActivity {
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
+    public boolean onCreateOptionsMenu(final Menu menu) {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.document_view_activity, menu);
+
+        // Silently get the document to know if it is writable by the current user
+        // If this call fails or is slow and the document is read-only,
+        // write actions will be allowed and will fail
+        DocumentResource.get(this, document.optString("id"), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                boolean writable = response.optBoolean("writable");
+
+                menu.findItem(R.id.share).setVisible(writable);
+                menu.findItem(R.id.upload_file).setVisible(writable);
+                menu.findItem(R.id.edit).setVisible(writable);
+                menu.findItem(R.id.delete_file).setVisible(writable);
+                menu.findItem(R.id.delete_document).setVisible(writable);
+            }
+        });
+
         return super.onCreateOptionsMenu(menu);
     }
 

docs-android/app/src/main/java/com/sismics/docs/adapter/ShareListAdapter.java

@@ -15,6 +15,9 @@ import com.sismics.docs.event.ShareSendEvent;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import de.greenrobot.event.EventBus;
 
 /**
@@ -26,25 +29,33 @@ public class ShareListAdapter extends BaseAdapter {
     /**
      * Shares.
      */
-    private JSONArray shares;
+    private List<JSONObject> acls;
 
     /**
      * Share list adapter.
      *
-     * @param shares Shares
+     * @param acls ACLs
      */
-    public ShareListAdapter(JSONArray shares) {
-        this.shares = shares;
+    public ShareListAdapter(JSONArray acls) {
+        this.acls = new ArrayList<>();
+
+        // Extract only share ACLs
+        for (int i = 0; i < acls.length(); i++) {
+            JSONObject acl = acls.optJSONObject(i);
+            if (acl.optString("type").equals("SHARE")) {
+                this.acls.add(acl);
+            }
+        }
     }
 
     @Override
     public int getCount() {
-        return shares.length();
+        return acls.size();
     }
 
     @Override
     public JSONObject getItem(int position) {
-        return shares.optJSONObject(position);
+        return acls.get(position);
     }
 
     @Override
@@ -60,8 +71,8 @@ public class ShareListAdapter extends BaseAdapter {
         }
 
         // Fill the view
-        final JSONObject share = getItem(position);
-        String name = share.optString("name");
+        final JSONObject acl = getItem(position);
+        String name = acl.optString("name");
         TextView shareTextView = (TextView) view.findViewById(R.id.shareTextView);
         shareTextView.setText(name.isEmpty() ? parent.getContext().getString(R.string.share_default_name) : name);
 
@@ -70,7 +81,7 @@ public class ShareListAdapter extends BaseAdapter {
         shareDeleteButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                EventBus.getDefault().post(new ShareDeleteEvent(share.optString("id")));
+                EventBus.getDefault().post(new ShareDeleteEvent(acl.optString("id")));
             }
         });
 
@@ -79,7 +90,7 @@ public class ShareListAdapter extends BaseAdapter {
         shareSendButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                EventBus.getDefault().post(new ShareSendEvent(share));
+                EventBus.getDefault().post(new ShareSendEvent(acl));
             }
         });
 

docs-android/app/src/main/java/com/sismics/docs/event/ShareSendEvent.java

@@ -9,20 +9,20 @@ import org.json.JSONObject;
  */
 public class ShareSendEvent {
     /**
-     * Share data.
+     * ACL data.
      */
-    private JSONObject share;
+    private JSONObject acl;
 
     /**
      * Create a share send event.
      *
-     * @param share Share data
+     * @param acl ACL data
      */
-    public ShareSendEvent(JSONObject share) {
-        this.share = share;
+    public ShareSendEvent(JSONObject acl) {
+        this.acl = acl;
     }
 
-    public JSONObject getShare() {
-        return share;
+    public JSONObject getAcl() {
+        return acl;
     }
 }

docs-android/app/src/main/java/com/sismics/docs/fragment/DocShareFragment.java

@@ -125,10 +125,10 @@ public class DocShareFragment extends DialogFragment {
             @Override
             public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
                 document = response;
-                JSONArray shares = response.optJSONArray("shares");
+                JSONArray acls = response.optJSONArray("acls");
                 shareProgressBar.setVisibility(View.GONE);
                 shareListView.setEmptyView(shareEmptyView);
-                shareListView.setAdapter(new ShareListAdapter(shares));
+                shareListView.setAdapter(new ShareListAdapter(acls));
             }
 
             @Override
@@ -158,7 +158,7 @@ public class DocShareFragment extends DialogFragment {
 
         // Build the share link
         String serverUrl = PreferenceUtil.getServerUrl(getActivity());
-        String link = serverUrl + "/share.html#/share/" + document.optString("id") + "/" + event.getShare().optString("id");
+        String link = serverUrl + "/share.html#/share/" + document.optString("id") + "/" + event.getAcl().optString("id");
 
         // Build the intent
         Context context = getActivity();