cef/libcef_dll/ctocpp/frame_handler_ctocpp.cc
Marshall Greenblatt e411b513be Add CefFrameHandler callbacks for tracking CefFrame lifespan (see issue #2421)
See the new cef_frame_handler.h for complete usage documentation.

This change includes the following related enhancements:
- The newly added CefBrowser::IsValid method will return false (in the browser
  process) after CefLifeSpanHandler::OnBeforeClose is called.
- CefBrowser::GetMainFrame will return a valid object (in the browser process)
  until after CefLifeSpanHandler::OnBeforeClose is called.
- The main frame object will change during cross-origin navigation or
  re-navigation after renderer process termination. During that time,
  GetMainFrame will return the new/pending frame (in the browser process) and
  any messages that arrive for the new/pending frame will be correctly
  attributed in OnProcessMessageReceived.
- Commands to be executed in the renderer process that may fail during early
  frame initialization (ExecuteJavaScript, LoadRequest, etc.) will now be
  queued until after the JavaScript context for the frame has been created.
- Logging has been added for any commands that are dropped because they arrived
  after frame detachment.
2021-05-31 18:58:27 -04:00

146 lines
4.6 KiB
C++

// Copyright (c) 2021 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.
//
// $hash=1b752686dc1743bed6957503b1cd6999f9a2a4f1$
//
#include "libcef_dll/ctocpp/frame_handler_ctocpp.h"
#include "libcef_dll/cpptoc/browser_cpptoc.h"
#include "libcef_dll/cpptoc/frame_cpptoc.h"
#include "libcef_dll/shutdown_checker.h"
// VIRTUAL METHODS - Body may be edited by hand.
NO_SANITIZE("cfi-icall")
void CefFrameHandlerCToCpp::OnFrameCreated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame) {
shutdown_checker::AssertNotShutdown();
cef_frame_handler_t* _struct = GetStruct();
if (CEF_MEMBER_MISSING(_struct, on_frame_created))
return;
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
// Verify param: browser; type: refptr_diff
DCHECK(browser.get());
if (!browser.get())
return;
// Verify param: frame; type: refptr_diff
DCHECK(frame.get());
if (!frame.get())
return;
// Execute
_struct->on_frame_created(_struct, CefBrowserCppToC::Wrap(browser),
CefFrameCppToC::Wrap(frame));
}
NO_SANITIZE("cfi-icall")
void CefFrameHandlerCToCpp::OnFrameAttached(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame) {
shutdown_checker::AssertNotShutdown();
cef_frame_handler_t* _struct = GetStruct();
if (CEF_MEMBER_MISSING(_struct, on_frame_attached))
return;
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
// Verify param: browser; type: refptr_diff
DCHECK(browser.get());
if (!browser.get())
return;
// Verify param: frame; type: refptr_diff
DCHECK(frame.get());
if (!frame.get())
return;
// Execute
_struct->on_frame_attached(_struct, CefBrowserCppToC::Wrap(browser),
CefFrameCppToC::Wrap(frame));
}
NO_SANITIZE("cfi-icall")
void CefFrameHandlerCToCpp::OnFrameDetached(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame) {
shutdown_checker::AssertNotShutdown();
cef_frame_handler_t* _struct = GetStruct();
if (CEF_MEMBER_MISSING(_struct, on_frame_detached))
return;
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
// Verify param: browser; type: refptr_diff
DCHECK(browser.get());
if (!browser.get())
return;
// Verify param: frame; type: refptr_diff
DCHECK(frame.get());
if (!frame.get())
return;
// Execute
_struct->on_frame_detached(_struct, CefBrowserCppToC::Wrap(browser),
CefFrameCppToC::Wrap(frame));
}
NO_SANITIZE("cfi-icall")
void CefFrameHandlerCToCpp::OnMainFrameChanged(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> old_frame,
CefRefPtr<CefFrame> new_frame) {
shutdown_checker::AssertNotShutdown();
cef_frame_handler_t* _struct = GetStruct();
if (CEF_MEMBER_MISSING(_struct, on_main_frame_changed))
return;
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
// Verify param: browser; type: refptr_diff
DCHECK(browser.get());
if (!browser.get())
return;
// Unverified params: old_frame, new_frame
// Execute
_struct->on_main_frame_changed(_struct, CefBrowserCppToC::Wrap(browser),
CefFrameCppToC::Wrap(old_frame),
CefFrameCppToC::Wrap(new_frame));
}
// CONSTRUCTOR - Do not edit by hand.
CefFrameHandlerCToCpp::CefFrameHandlerCToCpp() {}
// DESTRUCTOR - Do not edit by hand.
CefFrameHandlerCToCpp::~CefFrameHandlerCToCpp() {
shutdown_checker::AssertNotShutdown();
}
template <>
cef_frame_handler_t*
CefCToCppRefCounted<CefFrameHandlerCToCpp,
CefFrameHandler,
cef_frame_handler_t>::UnwrapDerived(CefWrapperType type,
CefFrameHandler* c) {
NOTREACHED() << "Unexpected class type: " << type;
return nullptr;
}
template <>
CefWrapperType CefCToCppRefCounted<CefFrameHandlerCToCpp,
CefFrameHandler,
cef_frame_handler_t>::kWrapperType =
WT_FRAME_HANDLER;