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Diffstat (limited to 'chromium/extensions/renderer/resources/storage_area.js')
-rw-r--r-- | chromium/extensions/renderer/resources/storage_area.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/extensions/renderer/resources/storage_area.js b/chromium/extensions/renderer/resources/storage_area.js new file mode 100644 index 00000000000..4ff6bbdb6d0 --- /dev/null +++ b/chromium/extensions/renderer/resources/storage_area.js @@ -0,0 +1,40 @@ +// Copyright 2014 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. + +var normalizeArgumentsAndValidate = + require('schemaUtils').normalizeArgumentsAndValidate +var sendRequest = require('sendRequest').sendRequest; + +function extendSchema(schema) { + var extendedSchema = $Array.slice(schema); + $Array.unshift(extendedSchema, {'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 CustombindingObject 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.slice(arguments); + args = normalizeArgumentsAndValidate(args, funSchema); + return sendRequest( + 'storage.' + functionName, + $Array.concat([namespace], args), + extendSchema(funSchema.definition.parameters), + {preserveNullInObjects: true}); + }; + } + var apiFunctions = ['get', 'set', 'remove', 'clear', 'getBytesInUse']; + $Array.forEach(apiFunctions, bindApiFunction); +} + +exports.$set('StorageArea', StorageArea); |