1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome_frame/event_hooker.h"
8 #include "chrome_frame/bho_loader.h"
10 EXTERN_C IMAGE_DOS_HEADER __ImageBase;
12 EventHooker::EventHooker()
13 : window_creation_hook_(NULL) {}
15 EventHooker::~EventHooker() {
19 bool EventHooker::StartHook() {
20 if ((NULL != window_creation_hook_)) {
24 window_creation_hook_ = SetWinEventHook(EVENT_OBJECT_CREATE,
26 reinterpret_cast<HMODULE>(
28 WindowCreationHookProc,
32 if (NULL == window_creation_hook_) {
38 void EventHooker::StopHook() {
39 if (NULL != window_creation_hook_) {
40 UnhookWinEvent(window_creation_hook_);
41 window_creation_hook_ = NULL;
45 VOID CALLBACK EventHooker::WindowCreationHookProc(HWINEVENTHOOK hook,
52 _ASSERTE((EVENT_OBJECT_CREATE == event) ||
53 (EVENT_OBJECT_PARENTCHANGE == event));
54 if (OBJID_WINDOW == object_id) {
55 BHOLoader::GetInstance()->OnHookEvent(event, window);