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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CUSTOM_HANDLERS_CHROME_PROTOCOL_HANDLER_REGISTRY_DELEGATE_H_
#define CHROME_BROWSER_CUSTOM_HANDLERS_CHROME_PROTOCOL_HANDLER_REGISTRY_DELEGATE_H_
#include <set>
#include <string>
#include "base/memory/weak_ptr.h"
#include "chrome/browser/shell_integration.h"
#include "components/custom_handlers/protocol_handler_registry.h"
#include "components/pref_registry/pref_registry_syncable.h"
// This class implements the ProtocolHandlerRegistry::Delegate
// abstract class to provide an OS dependent implementation to handle
// the user preferences and deal with the //shell_integration module.
class ChromeProtocolHandlerRegistryDelegate
: public custom_handlers::ProtocolHandlerRegistry::Delegate {
public:
ChromeProtocolHandlerRegistryDelegate();
~ChromeProtocolHandlerRegistryDelegate() override;
ChromeProtocolHandlerRegistryDelegate(
const ChromeProtocolHandlerRegistryDelegate& other) = delete;
ChromeProtocolHandlerRegistryDelegate& operator=(
const ChromeProtocolHandlerRegistryDelegate& other) = delete;
// ProtocolHandlerRegistry::Delegate:
void RegisterExternalHandler(const std::string& protocol) override;
bool IsExternalHandlerRegistered(const std::string& protocol) override;
void RegisterWithOSAsDefaultClient(const std::string& protocol,
DefaultClientCallback callback) override;
void CheckDefaultClientWithOS(const std::string& protocol,
DefaultClientCallback callback) override;
bool ShouldRemoveHandlersNotInOS() override;
private:
// Gets the callback for DefaultSchemeClientWorker.
shell_integration::DefaultWebClientWorkerCallback GetDefaultWebClientCallback(
const std::string& protocol,
DefaultClientCallback callback);
// Called with the default state when the default protocol client worker is
// done.
void OnSetAsDefaultClientForSchemeFinished(
const std::string& protocol,
DefaultClientCallback callback,
shell_integration::DefaultWebClientState state);
// Makes it possible to invalidate the callback for the
// DefaultSchemeClientWorker.
base::WeakPtrFactory<ChromeProtocolHandlerRegistryDelegate> weak_ptr_factory_{
this};
};
#endif // CHROME_BROWSER_CUSTOM_HANDLERS_CHROME_PROTOCOL_HANDLER_REGISTRY_DELEGATE_H_
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