cef/libcef/browser/request_context_handler_map.h

52 lines
2.2 KiB
C++

// Copyright (c) 2019 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_
#define CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_
#pragma once
#include <map>
#include "cef/include/cef_request_context.h"
#include "cef/include/cef_request_context_handler.h"
#include "content/public/browser/global_routing_id.h"
// Tracks CefRequestContextHandler associations on a single thread.
class CefRequestContextHandlerMap {
public:
CefRequestContextHandlerMap();
CefRequestContextHandlerMap(const CefRequestContextHandlerMap&) = delete;
CefRequestContextHandlerMap& operator=(const CefRequestContextHandlerMap&) =
delete;
~CefRequestContextHandlerMap();
// Keep track of handlers associated with specific frames. This information
// originates from frame create/delete notifications in
// CefBrowserContentsDelegate or CefMimeHandlerViewGuestDelegate which are
// forwarded via CefRequestContextImpl and CefBrowserContext.
void AddHandler(const content::GlobalRenderFrameHostId& global_id,
CefRefPtr<CefRequestContextHandler> handler);
void RemoveHandler(const content::GlobalRenderFrameHostId& global_id);
// Returns the handler that matches the specified IDs. If
// |require_frame_match| is true only exact matches will be returned. If
// |require_frame_match| is false, and there is not an exact match, then the
// first handler for the same |global_id.child_id| will be returned.
CefRefPtr<CefRequestContextHandler> GetHandler(
const content::GlobalRenderFrameHostId& global_id,
bool require_frame_match) const;
private:
// Map of global ID to handler. These IDs are guaranteed to uniquely
// identify a RFH for its complete lifespan. See documentation on
// RenderFrameHost::GetFrameTreeNodeId() for background.
using RenderIdHandlerMap = std::map<content::GlobalRenderFrameHostId,
CefRefPtr<CefRequestContextHandler>>;
RenderIdHandlerMap render_id_handler_map_;
};
#endif // CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_HANDLER_MAP_