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// Copyright 2014 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 CHROME_BROWSER_PRINTING_CLOUD_PRINT_GCD_API_FLOW_H_
#define CHROME_BROWSER_PRINTING_CLOUD_PRINT_GCD_API_FLOW_H_
#include <memory>
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "google_apis/gaia/oauth2_token_service.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace base {
class DictionaryValue;
}
namespace identity {
class IdentityManager;
}
namespace network {
class SharedURLLoaderFactory;
}
namespace cloud_print {
// API flow for communicating with cloud print and cloud devices.
class GCDApiFlow {
public:
// TODO(noamsml): Better error model for this class.
enum Status {
SUCCESS,
ERROR_TOKEN,
ERROR_NETWORK,
ERROR_HTTP_CODE,
ERROR_FROM_SERVER,
ERROR_MALFORMED_RESPONSE
};
// Provides GCDApiFlowImpl with parameters required to make request.
// Parses results of requests.
class Request {
public:
enum NetworkTrafficAnnotation {
TYPE_SEARCH,
TYPE_PRIVET_REGISTER,
};
virtual ~Request();
// Called if the API flow fails.
virtual void OnGCDApiFlowError(Status status) = 0;
// Called when the API flow finishes.
virtual void OnGCDApiFlowComplete(const base::DictionaryValue& value) = 0;
// Returns the URL for this request.
virtual GURL GetURL() = 0;
// Returns the scope parameter for use with OAuth.
virtual std::string GetOAuthScope() = 0;
// Returns extra headers, if any, to send with this request.
virtual std::vector<std::string> GetExtraRequestHeaders() = 0;
// Returns the network traffic annotation tag for this request.
virtual NetworkTrafficAnnotation GetNetworkTrafficAnnotationType() = 0;
};
GCDApiFlow();
virtual ~GCDApiFlow();
static std::unique_ptr<GCDApiFlow> Create(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
identity::IdentityManager* identity_manager);
virtual void Start(std::unique_ptr<Request> request) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(GCDApiFlow);
};
class CloudPrintApiFlowRequest : public GCDApiFlow::Request {
public:
CloudPrintApiFlowRequest();
~CloudPrintApiFlowRequest() override;
// GCDApiFlowRequest implementation
std::string GetOAuthScope() override;
std::vector<std::string> GetExtraRequestHeaders() override;
private:
DISALLOW_COPY_AND_ASSIGN(CloudPrintApiFlowRequest);
};
} // namespace cloud_print
#endif // CHROME_BROWSER_PRINTING_CLOUD_PRINT_GCD_API_FLOW_H_
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