| // Copyright 2015 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 MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "mojo/public/cpp/bindings/bindings_export.h" |
| #include "mojo/public/cpp/bindings/message.h" |
| |
| namespace mojo { |
| |
| class PipeControlMessageHandlerDelegate; |
| |
| // Handler for messages defined in pipe_control_messages.mojom. |
| class MOJO_CPP_BINDINGS_EXPORT PipeControlMessageHandler |
| : public MessageReceiver { |
| public: |
| explicit PipeControlMessageHandler( |
| PipeControlMessageHandlerDelegate* delegate); |
| ~PipeControlMessageHandler() override; |
| |
| // Sets the description for this handler. Used only when reporting validation |
| // errors. |
| void SetDescription(const std::string& description); |
| |
| // NOTE: |message| must have passed message header validation. |
| static bool IsPipeControlMessage(const Message* message); |
| |
| // MessageReceiver implementation: |
| |
| // NOTE: |message| must: |
| // - have passed message header validation; and |
| // - be a pipe control message (i.e., IsPipeControlMessage() returns true). |
| // If the method returns false, the message pipe should be closed. |
| bool Accept(Message* message) override; |
| |
| private: |
| // |message| must have passed message header validation. |
| bool Validate(Message* message); |
| bool RunOrClosePipe(Message* message); |
| |
| std::string description_; |
| PipeControlMessageHandlerDelegate* const delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PipeControlMessageHandler); |
| }; |
| |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_ |