chromium/content/public/browser/browser_child_process_host_iterator.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_ITERATOR_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_ITERATOR_H_

#include <list>

#include "base/memory/raw_ptr.h"
#include "content/common/content_export.h"

namespace IPC {
class Message;
}

namespace content {
class BrowserChildProcessHostDelegate;
class BrowserChildProcessHostImpl;
struct ChildProcessData;
class ChildProcessHost;

// This class allows iteration through either all child processes, or ones of a
// specific type, depending on which constructor is used.  Note that this should
// be done from the IO thread and that the iterator should not be kept around as
// it may be invalidated on subsequent event processing in the event loop.
class CONTENT_EXPORT BrowserChildProcessHostIterator { … };

// Helper class so that subclasses of BrowserChildProcessHostDelegate can be
// iterated with no casting needing. Note that because of the components build,
// this class can only be used by BCPHD implementations that live in content,
// otherwise link errors will result.
template <class T>
class CONTENT_EXPORT BrowserChildProcessHostTypeIterator
    : public BrowserChildProcessHostIterator { … };

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_ITERATOR_H_