blob: 8dfba21a0b460679add01f617fc0818a646f1011 [file] [log] [blame]
// Copyright (c) 2012 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.
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "components/download/public/common/download_request_handle_interface.h"
#include "content/browser/download/download_resource_handler.h"
#include "content/common/content_export.h"
#include "content/public/browser/resource_request_info.h"
namespace content {
class WebContents;
// A handle used by the download system for operations on the URLRequest
// or objects conditional on it (e.g. WebContentsImpl).
// This class needs to be copyable, so we can pass it across threads and not
// worry about lifetime or const-ness.
class CONTENT_EXPORT DownloadRequestHandle
: public download::DownloadRequestHandleInterface {
DownloadRequestHandle(const DownloadRequestHandle& other);
~DownloadRequestHandle() override;
// Create a null DownloadRequestHandle: getters will return null, and
// all actions are no-ops.
// TODO(rdsmith): Ideally, actions would be forbidden rather than
// no-ops, to confirm that no non-testing code actually uses
// a null DownloadRequestHandle. But for now, we need the no-op
// behavior for unit tests. Long-term, this should be fixed by
// allowing mocking of ResourceDispatcherHost in unit tests.
DownloadRequestHandle(const base::WeakPtr<DownloadResourceHandler>& handler,
const content::ResourceRequestInfo::WebContentsGetter&
WebContents* GetWebContents() const;
// download::DownloadRequestHandleInterface interface.
void PauseRequest() override;
void ResumeRequest() override;
void CancelRequest(bool user_cancel) override;
base::WeakPtr<DownloadResourceHandler> handler_;
content::ResourceRequestInfo::WebContentsGetter web_contents_getter_;
} // namespace content