cef/libcef/browser/devtools/devtools_controller.h

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2.8 KiB
C++

// Copyright (c) 2020 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_
#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_
#include <memory>
#include "content/public/browser/devtools_agent_host_client.h"
#include "base/containers/span.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/values.h"
namespace content {
class WebContents;
}
class CefDevToolsController : public content::DevToolsAgentHostClient {
public:
class Observer : public base::CheckedObserver {
public:
// See CefDevToolsMessageObserver documentation.
virtual bool OnDevToolsMessage(const base::StringPiece& message) = 0;
virtual void OnDevToolsMethodResult(int message_id,
bool success,
const base::StringPiece& result) = 0;
virtual void OnDevToolsEvent(const base::StringPiece& method,
const base::StringPiece& params) = 0;
virtual void OnDevToolsAgentAttached() = 0;
virtual void OnDevToolsAgentDetached() = 0;
virtual void OnDevToolsControllerDestroyed() = 0;
protected:
~Observer() override {}
};
// |inspected_contents| will outlive this object.
explicit CefDevToolsController(content::WebContents* inspected_contents);
CefDevToolsController(const CefDevToolsController&) = delete;
CefDevToolsController& operator=(const CefDevToolsController&) = delete;
~CefDevToolsController() override;
// See CefBrowserHost methods of the same name for documentation.
bool SendDevToolsMessage(const base::StringPiece& message);
int ExecuteDevToolsMethod(int message_id,
const std::string& method,
const base::Value::Dict* params);
// |observer| must outlive this object or be removed.
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
base::WeakPtr<CefDevToolsController> GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
private:
// content::DevToolsAgentHostClient implementation:
void AgentHostClosed(content::DevToolsAgentHost* agent_host) override;
void DispatchProtocolMessage(content::DevToolsAgentHost* agent_host,
base::span<const uint8_t> message) override;
bool EnsureAgentHost();
content::WebContents* const inspected_contents_;
scoped_refptr<content::DevToolsAgentHost> agent_host_;
int next_message_id_ = 1;
base::ObserverList<Observer> observers_;
base::WeakPtrFactory<CefDevToolsController> weak_ptr_factory_;
};
#endif // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_