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// Copyright 2015 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_MEDIA_ROUTER_BROWSER_ISSUES_OBSERVER_H_
#define COMPONENTS_MEDIA_ROUTER_BROWSER_ISSUES_OBSERVER_H_
#include "base/memory/raw_ptr.h"
#include "components/media_router/common/issue.h"
namespace media_router {
class IssueManager;
// Base class for observing Media Router related Issues. IssueObserver will
// receive at most one Issue at any given time.
// TODO(imcheng): Combine this with issue_manager.{h,cc}.
class IssuesObserver {
public:
explicit IssuesObserver(IssueManager* issue_manager);
IssuesObserver(const IssuesObserver&) = delete;
IssuesObserver& operator=(const IssuesObserver&) = delete;
virtual ~IssuesObserver();
// Registers with |issue_manager_| to start observing for Issues. No-ops if
// Init() has already been called before.
void Init();
// Called when there is an updated Issue.
// Note that |issue| is owned by the IssueManager that is calling the
// observers. Implementations that wish to retain the data must make a copy
// of |issue|.
virtual void OnIssue(const Issue& issue) {}
// Called when there are no more issues.
virtual void OnIssuesCleared() {}
private:
const raw_ptr<IssueManager> issue_manager_;
bool initialized_;
};
} // namespace media_router
#endif // COMPONENTS_MEDIA_ROUTER_BROWSER_ISSUES_OBSERVER_H_
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