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author | Andras Becsi <andras.becsi@digia.com> | 2014-03-18 13:16:26 +0100 |
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committer | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2014-03-20 15:55:39 +0100 |
commit | 3f0f86b0caed75241fa71c95a5d73bc0164348c5 (patch) | |
tree | 92b9fb00f2e9e90b0be2262093876d4f43b6cd13 /chromium/content/browser/loader/detachable_resource_handler.h | |
parent | e90d7c4b152c56919d963987e2503f9909a666d2 (diff) | |
download | qtwebengine-chromium-3f0f86b0caed75241fa71c95a5d73bc0164348c5.tar.gz |
Update to new stable branch 1750
This also includes an updated ninja and chromium dependencies
needed on Windows.
Change-Id: Icd597d80ed3fa4425933c9f1334c3c2e31291c42
Reviewed-by: Zoltan Arvai <zarvai@inf.u-szeged.hu>
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
Diffstat (limited to 'chromium/content/browser/loader/detachable_resource_handler.h')
-rw-r--r-- | chromium/content/browser/loader/detachable_resource_handler.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/chromium/content/browser/loader/detachable_resource_handler.h b/chromium/content/browser/loader/detachable_resource_handler.h new file mode 100644 index 00000000000..990084d93b8 --- /dev/null +++ b/chromium/content/browser/loader/detachable_resource_handler.h @@ -0,0 +1,94 @@ +// Copyright 2013 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_DETACHABLE_RESOURCE_HANDLER_H_ +#define CONTENT_BROWSER_LOADER_DETACHABLE_RESOURCE_HANDLER_H_ + +#include "base/basictypes.h" +#include "base/compiler_specific.h" +#include "base/memory/ref_counted.h" +#include "base/memory/scoped_ptr.h" +#include "base/time/time.h" +#include "base/timer/timer.h" +#include "content/browser/loader/resource_handler.h" +#include "content/public/browser/resource_controller.h" + +namespace net { +class IOBuffer; +class URLRequest; +} // namespace net + +namespace content { + +// A ResourceHandler which delegates all calls to the next handler, unless +// detached. Once detached, it drives the request to completion itself. This is +// used for requests which outlive the owning renderer, such as <link +// rel=prefetch> and <a ping>. Requests do not start out detached so, e.g., +// prefetches appear in DevTools and get placed in the renderer's local +// cache. If the request does not complete after a timeout on detach, it is +// cancelled. +// +// Note that, once detached, the request continues without the original next +// handler, so any policy decisions in that handler are skipped. +class DetachableResourceHandler : public ResourceHandler, + public ResourceController { + public: + DetachableResourceHandler(net::URLRequest* request, + base::TimeDelta cancel_delay, + scoped_ptr<ResourceHandler> next_handler); + virtual ~DetachableResourceHandler(); + + bool is_detached() const { return next_handler_ == NULL; } + void Detach(); + + void set_cancel_delay(base::TimeDelta cancel_delay) { + cancel_delay_ = cancel_delay; + } + + // ResourceHandler implementation: + virtual void SetController(ResourceController* controller) OVERRIDE; + virtual bool OnUploadProgress(int request_id, uint64 position, + uint64 size) OVERRIDE; + virtual bool OnRequestRedirected(int request_id, const GURL& url, + ResourceResponse* response, + bool* defer) OVERRIDE; + virtual bool OnResponseStarted(int request_id, + ResourceResponse* response, + bool* defer) OVERRIDE; + virtual bool OnWillStart(int request_id, const GURL& url, + bool* defer) OVERRIDE; + virtual bool OnWillRead(int request_id, + scoped_refptr<net::IOBuffer>* buf, + int* buf_size, + int min_size) OVERRIDE; + virtual bool OnReadCompleted(int request_id, int bytes_read, + bool* defer) OVERRIDE; + virtual void OnResponseCompleted(int request_id, + const net::URLRequestStatus& status, + const std::string& security_info, + bool* defer) OVERRIDE; + virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE; + + // ResourceController implementation: + virtual void Resume() OVERRIDE; + virtual void Cancel() OVERRIDE; + virtual void CancelAndIgnore() OVERRIDE; + virtual void CancelWithError(int error_code) OVERRIDE; + + private: + scoped_ptr<ResourceHandler> next_handler_; + scoped_refptr<net::IOBuffer> read_buffer_; + + scoped_ptr<base::OneShotTimer<DetachableResourceHandler> > detached_timer_; + base::TimeDelta cancel_delay_; + + bool is_deferred_; + bool is_finished_; + + DISALLOW_COPY_AND_ASSIGN(DetachableResourceHandler); +}; + +} // namespace content + +#endif // CONTENT_BROWSER_LOADER_DETACHABLE_RESOURCE_HANDLER_H_ |