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[chromium-blink-merge.git] / content / browser / loader / navigation_resource_handler.h
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_HANDLER_H_
6 #define CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_HANDLER_H_
8 #include "base/macros.h"
9 #include "content/browser/loader/resource_handler.h"
10 #include "content/browser/loader/stream_writer.h"
12 namespace content {
14 class NavigationURLLoaderImplCore;
16 // PlzNavigate: The leaf ResourceHandler used with NavigationURLLoaderImplCore.
17 class NavigationResourceHandler : public ResourceHandler {
18 public:
19 NavigationResourceHandler(net::URLRequest* request,
20 NavigationURLLoaderImplCore* core);
21 ~NavigationResourceHandler() override;
23 // Called by the loader the cancel the request.
24 void Cancel();
26 // Called to the loader to resume a paused redirect.
27 void FollowRedirect();
29 // ResourceHandler implementation.
30 void SetController(ResourceController* controller) override;
31 bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
32 ResourceResponse* response,
33 bool* defer) override;
34 bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
35 bool OnWillStart(const GURL& url, bool* defer) override;
36 bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
37 bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
38 int* buf_size,
39 int min_size) override;
40 bool OnReadCompleted(int bytes_read, bool* defer) override;
41 void OnResponseCompleted(const net::URLRequestStatus& status,
42 const std::string& security_info,
43 bool* defer) override;
44 void OnDataDownloaded(int bytes_downloaded) override;
46 private:
47 // Clears |core_| and its reference to the resource handler. After calling
48 // this, the lifetime of the request is no longer tied to |core_|.
49 void DetachFromCore();
51 NavigationURLLoaderImplCore* core_;
52 StreamWriter writer_;
54 DISALLOW_COPY_AND_ASSIGN(NavigationResourceHandler);
57 } // namespace content
59 #endif // CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_HANDLER_H_