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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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
#include <map>
#include <set>
#include <string>
#include <vector>
#include "base/cancelable_callback.h"
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "base/observer_list.h"
#include "content/common/content_export.h"
#include "content/public/browser/devtools_manager_delegate.h"
namespace content {
class DevToolsAgentHost;
class RenderViewHost;
class WebContents;
// This class is a singleton that manage global DevTools state for the whole
// browser.
class CONTENT_EXPORT DevToolsManager {
public:
class Observer {
public:
virtual ~Observer() {}
typedef DevToolsManagerDelegate::TargetList TargetList;
// Called when any target information changed. Targets in the list are
// owned by DevToolsManager, so they should not be accessed outside of
// this method.
virtual void TargetListChanged(const TargetList& targets) {}
};
// Returns single instance of this class. The instance is destroyed on the
// browser main loop exit so this method MUST NOT be called after that point.
static DevToolsManager* GetInstance();
DevToolsManager();
virtual ~DevToolsManager();
DevToolsManagerDelegate* delegate() const { return delegate_.get(); }
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
void RenderViewCreated(WebContents* web_contents, RenderViewHost* rvh);
void AgentHostChanged(scoped_refptr<DevToolsAgentHost> agent_host);
typedef base::Callback<void(base::Closure)> Scheduler;
void SetUpForTest(Scheduler scheduler);
private:
friend struct DefaultSingletonTraits<DevToolsManager>;
void UpdateTargetList();
void UpdateTargetListThrottled();
void NotifyTargetListChanged(const Observer::TargetList& targets);
scoped_ptr<DevToolsManagerDelegate> delegate_;
ObserverList<Observer> observer_list_;
std::set<DevToolsAgentHost*> attached_hosts_;
bool update_target_list_required_;
bool update_target_list_scheduled_;
base::CancelableClosure update_target_list_callback_;
Scheduler scheduler_;
DISALLOW_COPY_AND_ASSIGN(DevToolsManager);
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
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