| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_UI_DEVTOOLS_DEVTOOLS_BASE_AGENT_H_ |
| #define COMPONENTS_UI_DEVTOOLS_DEVTOOLS_BASE_AGENT_H_ |
| |
| #include "components/ui_devtools/protocol.h" |
| |
| namespace ui_devtools { |
| |
| class UiDevToolsAgent { |
| public: |
| UiDevToolsAgent() {} |
| virtual ~UiDevToolsAgent() {} |
| |
| virtual void Init(protocol::UberDispatcher*) = 0; |
| virtual void Disable() = 0; |
| }; |
| |
| // A base agent so that any Backend implementation has access to the |
| // corresponding frontend instance. This also wires the backend with |
| // the dispatcher. When initializing an instance of this class, |
| // the template argument is simply the generated Metainfo class of |
| // any domain type such as DOM or CSS. |
| template <typename DomainMetainfo> |
| class UiDevToolsBaseAgent : public UiDevToolsAgent, |
| public DomainMetainfo::BackendClass { |
| public: |
| UiDevToolsBaseAgent(const UiDevToolsBaseAgent&) = delete; |
| UiDevToolsBaseAgent& operator=(const UiDevToolsBaseAgent&) = delete; |
| |
| // UiDevToolsAgent: |
| void Init(protocol::UberDispatcher* dispatcher) override { |
| frontend_.reset( |
| new typename DomainMetainfo::FrontendClass(dispatcher->channel())); |
| DomainMetainfo::DispatcherClass::wire(dispatcher, this); |
| } |
| |
| void Disable() override { disable(); } |
| |
| // Common methods between all generated Backends, subclasses may |
| // choose to override them (but not necessary). |
| protocol::Response enable() override { return protocol::Response::Success(); } |
| |
| protocol::Response disable() override { |
| return protocol::Response::Success(); |
| } |
| |
| protected: |
| UiDevToolsBaseAgent() = default; |
| typename DomainMetainfo::FrontendClass* frontend() const { |
| return frontend_.get(); |
| } |
| |
| private: |
| std::unique_ptr<typename DomainMetainfo::FrontendClass> frontend_; |
| }; |
| |
| } // namespace ui_devtools |
| |
| #endif // COMPONENTS_UI_DEVTOOLS_DEVTOOLS_BASE_AGENT_H_ |