Index: chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h |
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h b/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h |
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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. |
+ |
+#ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_ACTION_H_ |
+#define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_ACTION_H_ |
+#pragma once |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/compiler_specific.h" |
+#include "base/memory/linked_ptr.h" |
+#include "tools/json_schema_compiler/any.h" |
+ |
+namespace base { |
+class Value; |
+} |
+ |
+namespace extensions { |
+ |
+// Base class for all WebRequestActions of the declarative Web Request API. |
+// |
+// TODO(battre): Add method that corresponds to executing the action. |
+class WebRequestAction { |
+ public: |
+ // Type identifiers for concrete WebRequestActions. |
+ enum Type { |
+ ACTION_CANCEL_REQUEST |
+ }; |
+ |
+ WebRequestAction(); |
+ virtual ~WebRequestAction(); |
+ |
+ // Returns a bit vector representing extensions::RequestStages. The bit vector |
+ // contains a 1 for each request stage during which the condition can be |
+ // tested. |
+ virtual int GetStages() const = 0; |
+ |
+ virtual Type GetType() const = 0; |
+ |
+ // Factory method that instantiates a concrete WebRequestAction |
+ // implementation according to |json_action|, the representation of the |
+ // WebRequestAction as received from the extension API. |
+ // Sets |error| and returns NULL in case of an error. |
+ static scoped_ptr<WebRequestAction> Create(const base::Value& json_action, |
+ std::string* error); |
+}; |
+ |
+// Immutable container for multiple actions. |
+// |
+// TODO(battre): As WebRequestActionSet can become the single owner of all |
+// actions, we can optimize here by making some of them singletons (e.g. Cancel |
+// actions). |
+// |
+// TODO(battre): Add method that corresponds to executing the action. |
+class WebRequestActionSet { |
+ public: |
+ typedef std::vector<linked_ptr<json_schema_compiler::any::Any> > AnyVector; |
+ typedef std::vector<linked_ptr<WebRequestAction> > Actions; |
+ |
+ explicit WebRequestActionSet(const Actions& actions); |
+ virtual ~WebRequestActionSet(); |
+ |
+ // Factory method that instantiates a WebRequestActionSet according to |
+ // |actions| which represents the array of actions received from the |
+ // extension API. |
+ static scoped_ptr<WebRequestActionSet> Create(const AnyVector& actions, |
+ std::string* error); |
+ |
+ const Actions& actions() const { return actions_; } |
+ |
+ private: |
+ Actions actions_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(WebRequestActionSet); |
+}; |
+ |
+// |
+// The following are concrete actions. |
+// |
+ |
+// Action that instructs to cancel a network request. |
+class WebRequestCancelAction : public WebRequestAction { |
+ public: |
+ WebRequestCancelAction(); |
+ virtual ~WebRequestCancelAction(); |
+ |
+ // Implementation of WebRequestAction: |
+ virtual int GetStages() const OVERRIDE; |
+ virtual Type GetType() const OVERRIDE; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(WebRequestCancelAction); |
+}; |
+ |
+// TODO(battre) Implement further actions: |
+// Redirect to constant url, Redirect by RegEx, Set header, Remove header, ... |
+ |
+} // namespace extensions |
+ |
+#endif // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_ACTION_H_ |