useless methods removed

src/jio.storage/indexeddbstorage.js

@@ -123,164 +123,6 @@
     });
   };
 
-  // XXX doc string
-  IndexedDBStorage.prototype.getMetadata = function (id) {
-    var onCancel, open_req = indexedDB.open(this._database_name);
-    return new Promise(function (resolve, reject) {
-      open_req.onerror = function () {
-        if (open_req.result) { open_req.result.close(); }
-        reject(open_req.error);
-      };
-      open_req.onsuccess = function () {
-        // *Called at t + 1*
-        var tx, store, get_req, err, res, db = open_req.result;
-        try {
-          db.onerror = function () {
-            db.close();
-          };
-          tx = db.transaction("metadata", "readonly");
-          // `db.transaction` can throw an error
-          tx.onerror = function () {
-            reject(err || tx.error);
-            db.close();
-          };
-          tx.oncomplete = function () {
-            // *Called at t + 3*
-            if (err) {
-              reject(err);
-            } else {
-              resolve(res);
-            }
-            db.close();
-          };
-          // we can cancel the transaction from here
-          onCancel = function () {
-            tx.abort();
-            db.close();
-          };
-          store = tx.objectStore("metadata");
-          get_req = store.get(id);
-          get_req.onabort = function () {
-            // if cancelled, the get_req should fail
-            // and I hope the tx.onerror is called
-            err = get_req.error;
-          };
-          get_req.onerror = get_req.onabort;
-          get_req.onsuccess = function () {
-            // *Called at t + 2*
-            // if cancelled, this listener should not be called
-            if (!get_req.result) {
-              err = "not_found";
-              return;
-            }
-            res = get_req.result;
-          };
-        } catch (e) {
-          reject(e);
-          db.close();
-        }
-      };
-    }, function () {
-      if (typeof onCancel === "function") {
-        onCancel();
-      }
-    });
-  };
-
-  // XXX doc string
-  IndexedDBStorage.prototype.putMetadata = function (metadata) {
-    var onCancel, open_req = indexedDB.open(this._database_name);
-    return new Promise(function (resolve, reject) {
-      open_req.onerror = function () {
-        if (open_req.result) { open_req.result.close(); }
-        reject(open_req.error);
-      };
-      open_req.onsuccess = function () {
-        // *Called at t + 1*
-        var tx, store, db = open_req.result;
-        try {
-          tx = db.transaction("metadata", "readwrite");
-          tx.onerror = function () {
-            reject(tx.error);
-            db.close();
-          };
-          tx.oncomplete = function () {
-            // *Called at t + 3*
-            resolve();
-            db.close();
-          };
-          // we can cancel the transaction from here
-          onCancel = function () {
-            tx.abort();
-            db.close();
-          };
-          store = tx.objectStore("metadata");
-          store.put(metadata);
-          // store.onsuccess = function () {
-          //   // *Called at t + 2*
-          // };
-        } catch (e) {
-          reject(e);
-          db.close();
-        }
-      };
-    }, function () {
-      if (typeof onCancel === "function") {
-        onCancel();
-      }
-    });
-  };
-
-  // XXX doc string
-  IndexedDBStorage.prototype.removeMetadata = function (id) {
-    var onCancel, open_req = indexedDB.open(this._database_name);
-    return new Promise(function (resolve, reject) {
-      open_req.onerror = function () {
-        if (open_req.result) { open_req.result.close(); }
-        reject(open_req.error);
-      };
-      open_req.onsuccess = function () {
-        // *Called at t + 1*
-        var tx, store, db = open_req.result;
-        try {
-          tx = db.transaction("metadata", "readwrite");
-          tx.onerror = function () {
-            reject(tx.error);
-            db.close();
-          };
-          tx.oncomplete = function () {
-            // *Called at t + 3*
-            resolve();
-            db.close();
-          };
-          // we can cancel the transaction from here
-          onCancel = function () {
-            tx.abort();
-            db.close();
-          };
-          store = tx.objectStore("metadata");
-          store["delete"](id);
-          // store.onsuccess = function () {
-          //   // *Called at t + 2*
-          // };
-        } catch (e) {
-          reject(e);
-          db.close();
-        }
-      };
-    }, function () {
-      if (typeof onCancel === "function") {
-        onCancel();
-      }
-    });
-  };
-
-  // XXX doc string
-  IndexedDBStorage.prototype.removeAttachments = function (id, attachment_ids) {
-    /*jslint unparam: true */
-    return new Promise(function (done) { done(); });
-  };
-
   // XXX doc string
   IndexedDBStorage.prototype.get = function (command, param) {
     var shared = {"connector": this};