here is my whole .cpp file, which i use and i have made comments at the
nsIwebsetup call...
have a look at it...Is this the correct approach for embedding Gecko...Am i
missing something else
1) My goal is to have an engine which renders given Html and performs
javascript of that html. A trimmed browser in short(no history,back,forward,
ect)...And that too by using C++..
so that i could easily port it to WinCe...Currently both my wince & win32
only render HTML page...
2) Any sample C++ apps to embed gecko..I don't want the XULAPP approach..i
need a pure C++ approach..
can anyone help me...
#include "stdafx.h"
#include "Browse_ce.h"
#include <windows.h>
#include <commctrl.h>
#define MAX_LOADSTRING 100
/* Embedding APIs */
#include "nsEmbedAPI.h"
#include "nsEmbedCID.h"
#include "nsStringAPI.h"
/* XPCOM and its macro utilities */
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
/* Interfaces (frozen) */
#include "nsIWebBrowser.h"
#include "nsIWebBrowserSetup.h"
#include "nsIPrefService.h"
#include "nsIComponentRegistrar.h"
/* Interfaces (non-frozen) */
#include "nsIBaseWindow.h"
#include "nsIWebNavigation.h"
/* Linker settings */
//#pragma comment(linker, "/NODEFAULTLIB:MSVCRT")
#pragma comment(lib, "xpcomglue_s.lib")
#pragma comment(lib, "xpcom.lib")
#pragma comment(lib, "embed_base_s.lib")
#pragma comment(lib, "nspr4.lib")
// Global Variables:
HINSTANCE g_hInst; // current
instance
HWND g_hWndMenuBar; // menu bar handle
nsresult InitGeckoArea(HWND hWnd, nsIWebBrowser* aContent) ;
//XXX You can implement this global as _tWinMain's local.
// In that case, you should use nsCOMPtr<nsIWebBrowser>
// instead of raw pointer nsIWebBrowser* .
nsIWebBrowser* gGecko = nsnull;
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE, LPTSTR);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
#ifndef WIN32_PLATFORM_WFSP
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
#endif // !WIN32_PLATFORM_WFSP
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
MSG msg;
/****************************************************/
nsString sBinDir;
nsCOMPtr<nsILocalFile> pCOM_lf;
nsCOMPtr<nsIWebBrowser> pCOM_wb;
nsCOMPtr<nsIWebNavigation> pCOM_wn;
sBinDir.Assign (NS_ConvertUTF8toUTF16 ("\\Storage Card"));
nsresult n = NS_NewLocalFile(sBinDir, PR_TRUE, getter_AddRefs
(pCOM_lf));
nsresult rv = NS_InitXPCOM3 (nsnull, pCOM_lf, nsnull, nsnull, 0);
rv = NS_InitEmbedding (pCOM_lf, nsnull);
nsCOMPtr<nsIComponentRegistrar> registrar;
rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
rv = registrar->AutoRegister(nsnull);
/****************************************************************/
// Perform application initialization:
if (!InitInstance(hInstance, nCmdShow))
{
NS_IF_RELEASE(gGecko);
NS_TermEmbedding();
return FALSE;
return FALSE;
}
#ifndef WIN32_PLATFORM_WFSP
HACCEL hAccelTable;
hAccelTable = LoadAccelerators(hInstance,
MAKEINTRESOURCE(IDC_BROWSE_CE));
#endif // !WIN32_PLATFORM_WFSP
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
#ifndef WIN32_PLATFORM_WFSP
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
#endif // !WIN32_PLATFORM_WFSP
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
/*NS_IF_RELEASE(gGecko);
NS_TermEmbedding();*/
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
ATOM MyRegisterClass(HINSTANCE hInstance, LPTSTR szWindowClass)
{
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_BROWSE_CE));
wc.hCursor = 0;
wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = 0;
wc.lpszClassName = szWindowClass;
return RegisterClass(&wc);
}
//
// FUNCTION: InitInstance(HINSTANCE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable
and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
TCHAR szTitle[MAX_LOADSTRING]; // title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // main window class name
g_hInst = hInstance; // Store instance handle in our global variable
#if defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP)
// SHInitExtraControls should be called once during your application's
initialization to initialize any
// of the device specific controls such as CAPEDIT and SIPPREF.
SHInitExtraControls();
#endif // WIN32_PLATFORM_PSPC || WIN32_PLATFORM_WFSP
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_BROWSE_CE, szWindowClass, MAX_LOADSTRING);
#if defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP)
//If it is already running, then focus on the window, and exit
hWnd = FindWindow(szWindowClass, szTitle);
if (hWnd)
{
// set focus to foremost child window
// The "| 0x00000001" is used to bring any owned windows to the
foreground and
// activate them.
SetForegroundWindow((HWND)((ULONG) hWnd | 0x00000001));
return 0;
}
#endif // WIN32_PLATFORM_PSPC || WIN32_PLATFORM_WFSP
if (!MyRegisterClass(hInstance, szWindowClass))
{
return FALSE;
}
hWnd = CreateWindow(szWindowClass, szTitle, WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL,
NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
if (!gGecko) {
nsCOMPtr<nsIWebBrowser>
gecko(do_CreateInstance(NS_WEBBROWSER_CONTRACTID));
if (gecko) {
/* Here I have no idea to handle rv */
nsresult rv = InitGeckoArea(hWnd, gecko);
NS_ADDREF(gGecko = gecko);
}
}
#ifdef WIN32_PLATFORM_PSPC
// When the main window is created using CW_USEDEFAULT the height of the
menubar (if one
// is created is not taken into account). So we resize the window after
creating it
// if a menubar is present
if (g_hWndMenuBar)
{
RECT rc;
RECT rcMenuBar;
GetWindowRect(hWnd, &rc);
GetWindowRect(g_hWndMenuBar, &rcMenuBar);
rc.bottom -= (rcMenuBar.bottom - rcMenuBar.top);
MoveWindow(hWnd, rc.left, rc.top, rc.right-rc.left,
rc.bottom-rc.top, FALSE);
}
#endif // WIN32_PLATFORM_PSPC
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM
lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
#if defined(SHELL_AYGSHELL) && !defined(WIN32_PLATFORM_WFSP)
static SHACTIVATEINFO s_sai;
#endif // SHELL_AYGSHELL && !WIN32_PLATFORM_WFSP
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
#ifndef WIN32_PLATFORM_WFSP
case IDM_HELP_ABOUT:
DialogBox(g_hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, About);
break;
#endif // !WIN32_PLATFORM_WFSP
#ifdef WIN32_PLATFORM_WFSP
case IDM_OK:
DestroyWindow(hWnd);
break;
#endif // WIN32_PLATFORM_WFSP
#ifdef WIN32_PLATFORM_PSPC
case IDM_OK:
SendMessage (hWnd, WM_CLOSE, 0, 0);
break;
#endif // WIN32_PLATFORM_PSPC
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_CREATE:
#ifdef SHELL_AYGSHELL
SHMENUBARINFO mbi;
memset(&mbi, 0, sizeof(SHMENUBARINFO));
mbi.cbSize = sizeof(SHMENUBARINFO);
mbi.hwndParent = hWnd;
mbi.nToolBarId = IDR_MENU;
mbi.hInstRes = g_hInst;
if (!SHCreateMenuBar(&mbi))
{
g_hWndMenuBar = NULL;
}
else
{
g_hWndMenuBar = mbi.hwndMB;
}
#ifndef WIN32_PLATFORM_WFSP
// Initialize the shell activate info structure
memset(&s_sai, 0, sizeof (s_sai));
s_sai.cbSize = sizeof (s_sai);
#endif // !WIN32_PLATFORM_WFSP
#endif // SHELL_AYGSHELL
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
#ifdef SHELL_AYGSHELL
CommandBar_Destroy(g_hWndMenuBar);
#endif // SHELL_AYGSHELL
PostQuitMessage(0);
break;
#if defined(SHELL_AYGSHELL) && !defined(WIN32_PLATFORM_WFSP)
case WM_ACTIVATE:
// Notify shell of our activate message
SHHandleWMActivate(hWnd, wParam, lParam, &s_sai, FALSE);
break;
case WM_SETTINGCHANGE:
SHHandleWMSettingChange(hWnd, wParam, lParam, &s_sai);
break;
#endif // SHELL_AYGSHELL && !WIN32_PLATFORM_WFSP
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
#ifndef WIN32_PLATFORM_WFSP
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM
lParam)
{
switch (message)
{
case WM_INITDIALOG:
#ifdef SHELL_AYGSHELL
{
// Create a Done button and size it.
SHINITDLGINFO shidi;
shidi.dwMask = SHIDIM_FLAGS;
shidi.dwFlags = SHIDIF_DONEBUTTON | SHIDIF_SIPDOWN |
SHIDIF_SIZEDLGFULLSCREEN | SHIDIF_EMPTYMENU;
shidi.hDlg = hDlg;
SHInitDialog(&shidi);
}
#endif // SHELL_AYGSHELL
return (INT_PTR)TRUE;
case WM_COMMAND:
#ifdef SHELL_AYGSHELL
if (LOWORD(wParam) == IDOK)
#endif
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
case WM_CLOSE:
EndDialog(hDlg, message);
return (INT_PTR)TRUE;
}
return (INT_PTR)FALSE;
}
nsresult InitGeckoArea(HWND hWnd, nsIWebBrowser* aContent) {
nsresult rv;
nsCOMPtr<nsIWebBrowserSetup>mWebSetup = do_QueryInterface(aContent,&rv);
if (mWebSetup)
{
//Here i am getting as success, returns 0x000000
n =
mWebSetup->SetProperty(nsIWebBrowserSetup::SETUP_IS_CHROME_WRAPPER,PR_TRUE);
//But here i get 0x8000ffff, even if i call this alone.
n =
mWebSetup->SetProperty(nsIWebBrowserSetup::SETUP_ALLOW_JAVASCRIPT,PR_TRUE);
}
// Get the view's ClientRect which to be passed in
// to the InitWindow() call below
nsCOMPtr<nsIBaseWindow>
baseWindow(do_QueryInterface(aContent, &rv));
NS_ENSURE_SUCCESS(rv, rv);
RECT rcLocation;
::GetClientRect(hWnd, &rcLocation);
if (::IsRectEmpty(&rcLocation)) {
rcLocation.bottom++;
rcLocation.top++;
}
rv = baseWindow->InitWindow(hWnd, nsnull, 0, 0,
rcLocation.right - rcLocation.left,
rcLocation.bottom - rcLocation.top);
NS_ENSURE_SUCCESS(rv, rv);
rv = baseWindow->Create();
NS_ENSURE_SUCCESS(rv, rv);
rv = baseWindow->SetVisibility(PR_TRUE);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIWebNavigation>
webNavigation(do_QueryInterface(aContent, &rv));
NS_ENSURE_SUCCESS(rv, rv);
return
webNavigation->LoadURI(NS_LITERAL_STRING("http://discovery-tests/discovery/sample.html";).get(),
nsIWebNavigation::LOAD_FLAGS_NONE,
nsnull, nsnull, nsnull);
}
#endif // !WIN32_PLATFORM_WFSP
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