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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_LAZY_CONTEXT_ID_H_
#define EXTENSIONS_BROWSER_LAZY_CONTEXT_ID_H_
#include <tuple>
#include "base/memory/raw_ptr.h"
#include "extensions/common/extension_id.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class Extension;
class LazyContextTaskQueue;
class LazyContextId {
public:
static LazyContextId ForBackgroundPage(content::BrowserContext* context,
const ExtensionId& extension_id) {
return LazyContextId(Type::kBackgroundPage, context, extension_id);
}
static LazyContextId ForServiceWorker(content::BrowserContext* context,
const ExtensionId& extension_id) {
return LazyContextId(Type::kServiceWorker, context, extension_id);
}
static LazyContextId ForExtension(content::BrowserContext* context,
const Extension* extension) {
return LazyContextId(context, extension);
}
// Copy and move constructors.
LazyContextId(const LazyContextId& other) = default;
LazyContextId(LazyContextId&& other) = default;
LazyContextId& operator=(const LazyContextId&) noexcept = default;
LazyContextId& operator=(LazyContextId&&) noexcept = default;
bool IsForBackgroundPage() const { return type_ == Type::kBackgroundPage; }
bool IsForServiceWorker() const { return type_ == Type::kServiceWorker; }
content::BrowserContext* browser_context() const { return context_; }
const ExtensionId& extension_id() const { return extension_id_; }
LazyContextTaskQueue* GetTaskQueue() const;
private:
enum class Type {
kNone,
kBackgroundPage,
kServiceWorker,
};
friend bool operator<(const LazyContextId& lhs, const LazyContextId& rhs);
friend bool operator==(const LazyContextId& lhs, const LazyContextId& rhs);
// An event page or service worker based on the type.
LazyContextId(Type type,
content::BrowserContext* context,
const ExtensionId& extension_id);
// The type is derived from the extension.
LazyContextId(content::BrowserContext* context, const Extension* extension);
Type type_;
raw_ptr<content::BrowserContext, DanglingUntriaged> context_;
ExtensionId extension_id_;
};
inline bool operator<(const LazyContextId& lhs, const LazyContextId& rhs) {
return std::tie(lhs.type_, lhs.context_, lhs.extension_id_) <
std::tie(rhs.type_, rhs.context_, rhs.extension_id_);
}
inline bool operator==(const LazyContextId& lhs, const LazyContextId& rhs) {
return std::tie(lhs.type_, lhs.context_, lhs.extension_id_) ==
std::tie(rhs.type_, rhs.context_, rhs.extension_id_);
}
inline bool operator!=(const LazyContextId& lhs, const LazyContextId& rhs) {
return !(lhs == rhs);
}
} // namespace extensions
#endif // EXTENSIONS_BROWSER_LAZY_CONTEXT_ID_H_
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