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https://bitbucket.org/chromiumembedded/cef
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955097ea77
With the introduction of prerendering in Chromium it is now possible for RenderFrameHosts (RFH) to move between FrameTrees. As a consequence we can no longer rely on FrameTreeNode IDs to uniquely identify a RFH over its lifespan. We must now switch to using GlobalRenderFrameHostId (child_id, frame_routing_id) instead for that purpose. Additionally, we simplify existing code by using the GlobalRenderFrameHostId struct in all places that previously used a (render_process_id, render_frame_id) pair, since these concepts are equivalent. See https://crbug.com/1179502#c8 for additional background.
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_IOTHREAD_STATE_H_
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#define CEF_LIBCEF_BROWSER_IOTHREAD_STATE_H_
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#pragma once
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#include "include/cef_request_context.h"
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#include "include/cef_request_context_handler.h"
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#include "include/cef_scheme.h"
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#include "libcef/browser/request_context_handler_map.h"
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#include "content/public/browser/browser_thread.h"
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namespace content {
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struct GlobalRenderFrameHostId;
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}
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class GURL;
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// Stores state that will be accessed on the IO thread. Life span is controlled
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// by CefBrowserContext. Created on the UI thread but accessed and destroyed on
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// the IO thread. See browser_context.h for an object relationship diagram.
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class CefIOThreadState : public base::RefCountedThreadSafe<
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CefIOThreadState,
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content::BrowserThread::DeleteOnIOThread> {
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public:
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CefIOThreadState();
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// See comments in CefRequestContextHandlerMap.
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void AddHandler(const content::GlobalRenderFrameHostId& global_id,
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CefRefPtr<CefRequestContextHandler> handler);
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void RemoveHandler(const content::GlobalRenderFrameHostId& global_id);
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CefRefPtr<CefRequestContextHandler> GetHandler(
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const content::GlobalRenderFrameHostId& global_id,
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bool require_frame_match) const;
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// Manage scheme handler factories associated with this context.
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void RegisterSchemeHandlerFactory(const std::string& scheme_name,
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const std::string& domain_name,
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CefRefPtr<CefSchemeHandlerFactory> factory);
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void ClearSchemeHandlerFactories();
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CefRefPtr<CefSchemeHandlerFactory> GetSchemeHandlerFactory(const GURL& url);
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private:
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friend struct content::BrowserThread::DeleteOnThread<
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content::BrowserThread::IO>;
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friend class base::DeleteHelper<CefIOThreadState>;
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~CefIOThreadState();
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void InitOnIOThread();
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// Map IDs to CefRequestContextHandler objects.
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CefRequestContextHandlerMap handler_map_;
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// Map (scheme, domain) to factories.
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typedef std::map<std::pair<std::string, std::string>,
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CefRefPtr<CefSchemeHandlerFactory>>
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SchemeHandlerFactoryMap;
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SchemeHandlerFactoryMap scheme_handler_factory_map_;
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DISALLOW_COPY_AND_ASSIGN(CefIOThreadState);
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};
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#endif // CEF_LIBCEF_BROWSER_IOTHREAD_STATE_H_
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