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62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
// Copyright (c) 2019 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_
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#define CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_
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#pragma once
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#include <map>
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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 "base/macros.h"
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// Tracks CefRequestContextHandler associations on a single thread.
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class CefRequestContextHandlerMap {
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public:
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CefRequestContextHandlerMap();
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~CefRequestContextHandlerMap();
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// Keep track of handlers associated with specific frames. This information
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// originates from frame create/delete notifications in CefBrowserHostImpl or
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// CefMimeHandlerViewGuestDelegate which are forwarded via
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// CefRequestContextImpl and CefBrowserContext.
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void AddHandler(int render_process_id,
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int render_frame_id,
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int frame_tree_node_id,
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CefRefPtr<CefRequestContextHandler> handler);
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void RemoveHandler(int render_process_id,
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int render_frame_id,
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int frame_tree_node_id);
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// Returns the handler that matches the specified IDs. Pass -1 for unknown
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// values. If |require_frame_match| is true only exact matches will be
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// returned. If |require_frame_match| is false, and there is not an exact
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// match, then the first handler for the same |render_process_id| will be
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// returned.
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CefRefPtr<CefRequestContextHandler> GetHandler(
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int render_process_id,
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int render_frame_id,
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int frame_tree_node_id,
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bool require_frame_match) const;
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private:
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// Map of (render_process_id, render_frame_id) to handler.
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typedef std::map<std::pair<int, int>, CefRefPtr<CefRequestContextHandler>>
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RenderIdHandlerMap;
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RenderIdHandlerMap render_id_handler_map_;
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// Map of frame_tree_node_id to handler. Keeping this map is necessary
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// because, when navigating the main frame, a new (pre-commit) network request
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// will be created before the RenderFrameHost. Consequently we can't rely
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// on valid render IDs. See https://crbug.com/776884 for background.
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typedef std::map<int, CefRefPtr<CefRequestContextHandler>> NodeIdHandlerMap;
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NodeIdHandlerMap node_id_handler_map_;
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DISALLOW_COPY_AND_ASSIGN(CefRequestContextHandlerMap);
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};
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#endif // CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_
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