Wrapperless dart:html and friends

tool/input_sdk/lib/indexed_db/ddc/indexed_db_ddc.dart

Index: tool/input_sdk/lib/indexed_db/ddc/indexed_db_ddc.dart
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-/**
- * A client-side key-value store with support for indexes.
- *
- * Many browsers support IndexedDB—a web standard for
- * an indexed database.
- * By storing data on the client in an IndexedDB,
- * a web app gets some advantages, such as faster performance and persistence.
- * To find out which browsers support IndexedDB,
- * refer to [Can I Use?](http://caniuse.com/#feat=indexeddb)
- *
- * In IndexedDB, each record is identified by a unique index or key,
- * making data retrieval speedy.
- * You can store structured data,
- * such as images, arrays, and maps using IndexedDB.
- * The standard does not specify size limits for individual data items
- * or for the database itself, but browsers may impose storage limits.
- *
- * ## Using indexed_db
- *
- * The classes in this library provide an interface
- * to the browser's IndexedDB, if it has one.
- * To use this library in your code:
- *
- *     import 'dart:indexed_db';
- *
- * A web app can determine if the browser supports
- * IndexedDB with [IdbFactory.supported]:
- *
- *     if (IdbFactory.supported)
- *       // Use indexeddb.
- *     else
- *       // Find an alternative.
- *
- * Access to the browser's IndexedDB is provided by the app's top-level
- * [Window] object, which your code can refer to with `window.indexedDB`.
- * So, for example,
- * here's how to use window.indexedDB to open a database:
- *
- *     Future open() {
- *       return window.indexedDB.open('myIndexedDB',
- *           version: 1,
- *           onUpgradeNeeded: _initializeDatabase)
- *         .then(_loadFromDB);
- *     }
- *     void _initializeDatabase(VersionChangeEvent e) {
- *       ...
- *     }
- *     Future _loadFromDB(Database db) {
- *       ...
- *     }
- *
- *
- * All data in an IndexedDB is stored within an [ObjectStore].
- * To manipulate the database use [Transaction]s.
- *
- * ## Other resources
- *
- * Other options for client-side data storage include:
- *
- * * [Window.localStorage]—a
- * basic mechanism that stores data as a [Map],
- * and where both the keys and the values are strings.
- *
- * * [dart:web_sql]—a database that can be queried with SQL.
- * 
- * For a tutorial about using the indexed_db library with Dart,
- * check out
- * [Use IndexedDB](http://www.dartlang.org/docs/tutorials/indexeddb/).
- *
- * [IndexedDB reference](http://docs.webplatform.org/wiki/apis/indexeddb)
- * provides wiki-style docs about indexedDB
- */
-library dart.dom.indexed_db;
-
-import 'dart:async';
-import 'dart:html';
-import 'dart:html_common';
-import 'dart:_native_typed_data';
-import 'dart:typed_data';
-import 'dart:_js_helper' show Creates, Returns, JSName, Native;
-import 'dart:_foreign_helper' show JS;
-import 'dart:_interceptors' show Interceptor, JSExtendableArray;
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// DO NOT EDIT - unless you are editing documentation as per:
-// https://code.google.com/p/dart/wiki/ContributingHTMLDocumentation
-// Auto-generated dart:svg library.
-
-
-
-
-
-class _KeyRangeFactoryProvider {
-
-  static KeyRange createKeyRange_only(/*Key*/ value) =>
-      _only(_class(), _translateKey(value));
-
-  static KeyRange createKeyRange_lowerBound(
-      /*Key*/ bound, [bool open = false]) =>
-      _lowerBound(_class(), _translateKey(bound), open);
-
-  static KeyRange createKeyRange_upperBound(
-      /*Key*/ bound, [bool open = false]) =>
-      _upperBound(_class(), _translateKey(bound), open);
-
-  static KeyRange createKeyRange_bound(/*Key*/ lower, /*Key*/ upper,
-      [bool lowerOpen = false, bool upperOpen = false]) =>
-      _bound(_class(), _translateKey(lower), _translateKey(upper),
-             lowerOpen, upperOpen);
-
-  static var _cachedClass;
-
-  static _class() {
-    if (_cachedClass != null) return _cachedClass;
-    return _cachedClass = _uncachedClass();
-  }
-
-  static _uncachedClass() =>
-    JS('var',
-       '''window.webkitIDBKeyRange || window.mozIDBKeyRange ||
-          window.msIDBKeyRange || window.IDBKeyRange''');
-
-  static _translateKey(idbkey) => idbkey;  // TODO: fixme.
-
-  static KeyRange _only(cls, value) =>
-       JS('KeyRange', '#.only(#)', cls, value);
-
-  static KeyRange _lowerBound(cls, bound, open) =>
-       JS('KeyRange', '#.lowerBound(#, #)', cls, bound, open);
-
-  static KeyRange _upperBound(cls, bound, open) =>
-       JS('KeyRange', '#.upperBound(#, #)', cls, bound, open);
-
-  static KeyRange _bound(cls, lower, upper, lowerOpen, upperOpen) =>
-       JS('KeyRange', '#.bound(#, #, #, #)',
-          cls, lower, upper, lowerOpen, upperOpen);
-}
-
-// Conversions for IDBKey.
-//
-// Per http://www.w3.org/TR/IndexedDB/#key-construct
-//
-// "A value is said to be a valid key if it is one of the following types: Array
-// JavaScript objects [ECMA-262], DOMString [WEBIDL], Date [ECMA-262] or float
-// [WEBIDL]. However Arrays are only valid keys if every item in the array is
-// defined and is a valid key (i.e. sparse arrays can not be valid keys) and if
-// the Array doesn't directly or indirectly contain itself. Any non-numeric
-// properties are ignored, and thus does not affect whether the Array is a valid
-// key. Additionally, if the value is of type float, it is only a valid key if
-// it is not NaN, and if the value is of type Date it is only a valid key if its
-// [[PrimitiveValue]] internal property, as defined by [ECMA-262], is not NaN."
-
-// What is required is to ensure that an Lists in the key are actually
-// JavaScript arrays, and any Dates are JavaScript Dates.
-
-
-/**
- * Converts a native IDBKey into a Dart object.
- *
- * May return the original input.  May mutate the original input (but will be
- * idempotent if mutation occurs).  It is assumed that this conversion happens
- * on native IDBKeys on all paths that return IDBKeys from native DOM calls.
- *
- * If necessary, JavaScript Dates are converted into Dart Dates.
- */
-_convertNativeToDart_IDBKey(nativeKey) {
-  containsDate(object) {
-    if (isJavaScriptDate(object)) return true;
-    if (object is List) {
-      for (int i = 0; i < object.length; i++) {
-        if (containsDate(object[i])) return true;
-      }
-    }
-    return false;  // number, string.
-  }
-  if (containsDate(nativeKey)) {
-    throw new UnimplementedError('Key containing DateTime');
-  }
-  // TODO: Cache conversion somewhere?
-  return nativeKey;
-}
-
-/**
- * Converts a Dart object into a valid IDBKey.
- *
- * May return the original input.  Does not mutate input.
- *
- * If necessary, [dartKey] may be copied to ensure all lists are converted into
- * JavaScript Arrays and Dart Dates into JavaScript Dates.
- */
-_convertDartToNative_IDBKey(dartKey) {
-  // TODO: Implement.
-  return dartKey;
-}
-
-
-
-/// May modify original.  If so, action is idempotent.
-_convertNativeToDart_IDBAny(object) {
-  return convertNativeToDart_AcceptStructuredClone(object, mustCopy: false);
-}
-
-// TODO(sra): Add DateTime.
-const String _idbKey = 'JSExtendableArray|=Object|num|String';
-const _annotation_Creates_IDBKey = const Creates(_idbKey);
-const _annotation_Returns_IDBKey = const Returns(_idbKey);
-
-// FIXME: Can we make this private?
-final indexed_dbBlinkMap = {
-
-};
-
-// FIXME: Can we make this private?
-final indexed_dbBlinkFunctionMap = {
-
-};