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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Custom bindings for the storage API.
var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
var normalizeArgumentsAndValidate =
require('schemaUtils').normalizeArgumentsAndValidate
var sendRequest = require('sendRequest').sendRequest;
chromeHidden.registerCustomType('storage.StorageArea', function() {
function extendSchema(schema) {
var extendedSchema = schema.slice();
extendedSchema.unshift({'type': 'string'});
return extendedSchema;
}
function StorageArea(namespace, schema) {
// Binds an API function for a namespace to its browser-side call, e.g.
// storage.sync.get('foo') -> (binds to) ->
// storage.get('sync', 'foo').
//
// TODO(kalman): Put as a method on CustomBindingsObject and re-use (or
// even generate) for other APIs that need to do this. Same for other
// callers of registerCustomType().
var self = this;
function bindApiFunction(functionName) {
self[functionName] = function() {
var funSchema = this.functionSchemas[functionName];
var args = Array.prototype.slice.call(arguments);
args = normalizeArgumentsAndValidate(args, funSchema);
return sendRequest(
'storage.' + functionName,
[namespace].concat(args),
extendSchema(funSchema.definition.parameters),
{preserveNullInObjects: true});
};
}
var apiFunctions = ['get', 'set', 'remove', 'clear', 'getBytesInUse'];
apiFunctions.forEach(bindApiFunction);
}
return StorageArea;
});
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