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	This change moves the SendProcessMessage method from CefBrowser to CefFrame and adds CefBrowser parameters to OnProcessMessageReceived and OnDraggableRegionsChanged. The internal implementation has changed as follows: - Frame IDs are now a 64-bit combination of the 32-bit render_process_id and render_routing_id values that uniquely identify a RenderFrameHost (RFH). - CefFrameHostImpl objects are now managed by CefBrowserInfo with life span tied to RFH expectations. Specifically, a CefFrameHostImpl object representing a sub-frame will be created when a RenderFrame is created in the renderer process and detached when the associated RenderFrame is deleted or the renderer process in which it runs has died. - The CefFrameHostImpl object representing the main frame will always be valid but the underlying RFH (and associated frame ID) may change over time as a result of cross-origin navigations. Despite these changes calling LoadURL on the main frame object in the browser process will always navigate as expected. - Speculative RFHs, which may be created as a result of a cross-origin navigation and discarded if that navigation is not committed, are now handled correctly (e.g. ignored in most cases until they're committed). - It is less likely, but still possible, to receive a CefFrame object with an invalid frame ID (ID < 0). This can happen in cases where a RFH has not yet been created for a sub-frame. For example, when OnBeforeBrowse is called before initiating navigation in a previously nonexisting sub-frame. To test: All tests pass with NetworkService enabled and disabled.
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 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_NAVIGATE_PARAMS_H_
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#define CEF_LIBCEF_BROWSER_NAVIGATE_PARAMS_H_
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#pragma once
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#include <string>
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#include "libcef/common/net/upload_data.h"
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#include "content/public/browser/global_request_id.h"
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#include "content/public/common/referrer.h"
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#include "ui/base/page_transition_types.h"
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#include "ui/base/window_open_disposition.h"
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#include "url/gurl.h"
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// Parameters that tell CefFrameHostImpl::Navigate() what to do.
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struct CefNavigateParams {
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  CefNavigateParams(const GURL& a_url, ui::PageTransition a_transition);
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  ~CefNavigateParams();
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  // The following parameters are sent to the renderer via CefMsg_LoadRequest.
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  // ---------------------------------------------------------------------------
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  // Request method.
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  std::string method;
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  // The URL/referrer to be loaded.
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  GURL url;
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  content::Referrer referrer;
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  // Usually the URL of the document in the top-level window, which may be
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  // checked by the third-party cookie blocking policy. Leaving it empty may
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  // lead to undesired cookie blocking. Third-party cookie blocking can be
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  // bypassed by setting site_for_cookies = url, but this should ideally
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  // only be done if there really is no way to determine the correct value.
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  GURL site_for_cookies;
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  // Additional HTTP request headers.
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  std::string headers;
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  // net::URLRequest load flags (0 by default).
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  int load_flags = 0;
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  // Upload data (may be NULL).
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  scoped_refptr<net::UploadData> upload_data;
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  // The following parameters are used to define browser behavior when servicing
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  // the navigation request.
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  // ---------------------------------------------------------------------------
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  // The disposition requested by the navigation source. Default is CURRENT_TAB.
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  WindowOpenDisposition disposition = WindowOpenDisposition::CURRENT_TAB;
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  // The transition type of the navigation.
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  ui::PageTransition transition;
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  // Whether this navigation was initiated by the renderer process.
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  bool is_renderer_initiated = false;
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  // If non-empty, the new tab contents encoding is overriden by this value.
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  std::string override_encoding;
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  // If false then the navigation was not initiated by a user gesture. Default
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  // is true.
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  bool user_gesture = true;
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  // Refers to a navigation that was parked in the browser in order to be
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  // transferred to another RVH. Only used in case of a redirection of a request
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  // to a different site that created a new RVH.
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  content::GlobalRequestID transferred_global_request_id;
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 private:
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  CefNavigateParams();
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};
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#endif  // CEF_LIBCEF_BROWSER_NAVIGATE_PARAMS_H_
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