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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome_frame/chrome_frame_helper_util.h"
#include <shlwapi.h>
const wchar_t kGetBrowserMessage[] = L"GetAutomationObject";
bool UtilIsWebBrowserWindow(HWND window_to_check) {
bool is_browser_window = false;
if (!IsWindow(window_to_check)) {
return is_browser_window;
}
static wchar_t* known_ie_window_classes[] = {
L"IEFrame",
L"TabWindowClass"
};
for (int i = 0; i < ARRAYSIZE(known_ie_window_classes); i++) {
if (IsWindowOfClass(window_to_check, known_ie_window_classes[i])) {
is_browser_window = true;
break;
}
}
return is_browser_window;
}
HRESULT UtilGetWebBrowserObjectFromWindow(HWND window,
REFIID iid,
void** web_browser_object) {
if (NULL == web_browser_object) {
return E_POINTER;
}
// Check whether this window is really a web browser window.
if (UtilIsWebBrowserWindow(window)) {
// IWebBroswer2 interface pointer can be retrieved from the browser
// window by simply sending a registered message "GetAutomationObject"
// Note that since we are sending a message to parent window make sure that
// it is in the same thread.
if (GetWindowThreadProcessId(window, NULL) != GetCurrentThreadId()) {
return E_UNEXPECTED;
}
static const ULONG get_browser_message =
RegisterWindowMessageW(kGetBrowserMessage);
*web_browser_object =
reinterpret_cast<void*>(SendMessage(window,
get_browser_message,
reinterpret_cast<WPARAM>(&iid),
NULL));
if (NULL != *web_browser_object) {
return S_OK;
}
} else {
return E_INVALIDARG;
}
return E_NOINTERFACE;
}
bool IsWindowOfClass(HWND window_to_check, const wchar_t* window_class) {
bool window_matches = false;
const int buf_size = MAX_PATH;
wchar_t buffer[buf_size] = {0};
DWORD dwRetSize = GetClassNameW(window_to_check, buffer, buf_size);
// If the window name is any longer than this, it isn't the one we want.
if (dwRetSize < (buf_size - 1)) {
if (0 == lstrcmpiW(window_class, buffer)) {
window_matches = true;
}
}
return window_matches;
}
bool IsNamedProcess(const wchar_t* process_name) {
wchar_t file_path[2048] = {0};
GetModuleFileName(NULL, file_path, 2047);
wchar_t* file_name = PathFindFileName(file_path);
return (0 == lstrcmpiW(file_name, process_name));
}
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