| // Copyright (c) 2013 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. |
| |
| #ifndef WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ |
| #define WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ |
| |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "url/gurl.h" |
| #include "webkit/browser/webkit_storage_browser_export.h" |
| |
| namespace net { |
| class IOBuffer; |
| class URLRequest; |
| } |
| |
| namespace appcache { |
| |
| // An interface that must be provided by the embedder to support this feature. |
| class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheExecutableHandler { |
| public: |
| // A handler can respond in one of 4 ways, if each of the GURL fields |
| // in 'Response' are empty and use_network is false, an error response is |
| // synthesized. |
| struct Response { |
| GURL cached_resource_url; |
| GURL redirect_url; |
| bool use_network; |
| // TODO: blob + headers would be a good one to provide as well, as it would |
| // make templating possible. |
| }; |
| typedef base::Callback<void(const Response&)> ResponseCallback; |
| |
| // Deletion of the handler cancels all pending callbacks. |
| virtual ~AppCacheExecutableHandler() {} |
| |
| virtual void HandleRequest(net::URLRequest* req, |
| ResponseCallback callback) = 0; |
| }; |
| |
| // A factory to produce instances. |
| class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheExecutableHandlerFactory { |
| public: |
| virtual scoped_ptr<AppCacheExecutableHandler> CreateHandler( |
| const GURL& handler_url, net::IOBuffer* handler_source) = 0; |
| |
| protected: |
| virtual ~AppCacheExecutableHandlerFactory() {} |
| }; |
| |
| } // namespace appcache |
| |
| #endif // WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ |