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// Copyright 2017 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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_REGISTRY_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_REGISTRY_H_
#include <memory>
#include <utility>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/singleton.h"
#include "base/memory/weak_ptr.h"
#include "base/sequenced_task_runner.h"
#include "base/threading/thread_checker.h"
#include "base/unguessable_token.h"
namespace content {
class WebContents;
class DevToolsTargetRegistry {
public:
struct TargetInfo {
int child_id;
int routing_id;
int frame_tree_node_id;
base::UnguessableToken devtools_token;
base::UnguessableToken devtools_target_id;
};
class ObserverBase : public base::RefCounted<ObserverBase> {
protected:
friend class base::RefCounted<ObserverBase>;
virtual ~ObserverBase() {}
};
using RegistrationHandle = scoped_refptr<ObserverBase>;
// Impl thread methods
class Resolver {
public:
virtual const TargetInfo* GetInfoByFrameTreeNodeId(int frame_node_id) = 0;
virtual const TargetInfo* GetInfoByRenderFramePair(int child_id,
int routing_id) = 0;
virtual ~Resolver() {}
};
// UI thread method
RegistrationHandle RegisterWebContents(WebContents* web_contents);
std::unique_ptr<Resolver> CreateResolver();
explicit DevToolsTargetRegistry(
scoped_refptr<base::SequencedTaskRunner> impl_task_runner);
~DevToolsTargetRegistry();
private:
void UnregisterWebContents(WebContents* web_contents);
class ContentsObserver;
class Impl;
scoped_refptr<base::SequencedTaskRunner> impl_task_runner_;
// Observers are owned by the clients and are cleaned up from this
// map when destroyed.
base::flat_map<WebContents*, ContentsObserver*> observers_;
base::WeakPtr<Impl> impl_;
DISALLOW_COPY_AND_ASSIGN(DevToolsTargetRegistry);
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_REGISTRY_H_
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