cef/libcef_dll/ctocpp/client_ctocpp.h
Marshall Greenblatt 241941a44a Move message routing from CefBrowser to CefFrame (see issue #2498).
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.
2019-05-29 17:44:56 +03:00

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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.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool. If making changes by
// hand only do so within the body of existing method and function
// implementations. See the translator.README.txt file in the tools directory
// for more information.
//
// $hash=bbac20a2027ea623832f37512f716092f29eef3f$
//
#ifndef CEF_LIBCEF_DLL_CTOCPP_CLIENT_CTOCPP_H_
#define CEF_LIBCEF_DLL_CTOCPP_CLIENT_CTOCPP_H_
#pragma once
#if !defined(BUILDING_CEF_SHARED)
#error This file can be included DLL-side only
#endif
#include "include/capi/cef_client_capi.h"
#include "include/cef_client.h"
#include "libcef_dll/ctocpp/ctocpp_ref_counted.h"
// Wrap a C structure with a C++ class.
// This class may be instantiated and accessed DLL-side only.
class CefClientCToCpp
: public CefCToCppRefCounted<CefClientCToCpp, CefClient, cef_client_t> {
public:
CefClientCToCpp();
virtual ~CefClientCToCpp();
// CefClient methods.
CefRefPtr<CefAudioHandler> GetAudioHandler() override;
CefRefPtr<CefContextMenuHandler> GetContextMenuHandler() override;
CefRefPtr<CefDialogHandler> GetDialogHandler() override;
CefRefPtr<CefDisplayHandler> GetDisplayHandler() override;
CefRefPtr<CefDownloadHandler> GetDownloadHandler() override;
CefRefPtr<CefDragHandler> GetDragHandler() override;
CefRefPtr<CefFindHandler> GetFindHandler() override;
CefRefPtr<CefFocusHandler> GetFocusHandler() override;
CefRefPtr<CefJSDialogHandler> GetJSDialogHandler() override;
CefRefPtr<CefKeyboardHandler> GetKeyboardHandler() override;
CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() override;
CefRefPtr<CefLoadHandler> GetLoadHandler() override;
CefRefPtr<CefRenderHandler> GetRenderHandler() override;
CefRefPtr<CefRequestHandler> GetRequestHandler() override;
bool OnProcessMessageReceived(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) override;
};
#endif // CEF_LIBCEF_DLL_CTOCPP_CLIENT_CTOCPP_H_