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// Copyright 2015 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 CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_
#define CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/resource_throttle.h"
#include "content/public/common/request_context_type.h"
namespace net {
class URLRequest;
}
namespace content {
class ResourceDispatcherHostDelegate;
// This ResourceThrottle is used to convey throttling information to the UI
// thread during navigations. The UI thread can then use its NavigationThrottle
// mechanism to interact with the navigation.
class NavigationResourceThrottle : public ResourceThrottle {
public:
NavigationResourceThrottle(
net::URLRequest* request,
ResourceDispatcherHostDelegate* resource_dispatcher_host_delegate,
RequestContextType request_context_type);
~NavigationResourceThrottle() override;
// ResourceThrottle overrides:
void WillStartRequest(bool* defer) override;
void WillRedirectRequest(const net::RedirectInfo& redirect_info,
bool* defer) override;
void WillProcessResponse(bool* defer) override;
const char* GetNameForLogging() const override;
// Used in unit tests to make UI checks pass when they would fail due to no
// NavigationHandle being present in the RenderFrameHost.
CONTENT_EXPORT static void set_ui_checks_always_succeed_for_testing(
bool ui_checks_always_succeed);
// Used in unit tests to make all navigations transfer.
CONTENT_EXPORT static void set_force_transfer_for_testing(
bool force_transfer);
private:
void OnUIChecksPerformed(NavigationThrottle::ThrottleCheckResult result);
// Used in transfer navigations.
void InitiateTransfer();
void OnTransferComplete();
net::URLRequest* request_;
ResourceDispatcherHostDelegate* resource_dispatcher_host_delegate_;
RequestContextType request_context_type_;
bool in_cross_site_transition_;
NavigationThrottle::ThrottleCheckResult on_transfer_done_result_;
base::WeakPtrFactory<NavigationResourceThrottle> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NavigationResourceThrottle);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_
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