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gecko/embedding/tests/winEmbed/winEmbed.cpp
matekm c27eabad01 Bug 784739 - Switch from NULL to nullptr in embedding/; r=ehsan 
--HG--
extra : rebase_source : ccdffce1019f7a5f8f5d12fb600aff5da2831528
2013-04-02 20:27:12 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: Mozilla-sample-code 1.0
*
* Copyright (c) 2002 Netscape Communications Corporation and
* other contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this Mozilla sample software and associated documentation files
* (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Contributor(s):
* Doug Turner <dougt@netscape.com>
* Adam Lock <adamlock@netscape.com>
*
* ***** END LICENSE BLOCK ***** */
// C RunTime Header Files
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
// Win32 header files
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
// Mozilla Frozen APIs
#include "nsXULAppAPI.h"
XRE_InitEmbedding2Type XRE_InitEmbedding2;
XRE_TermEmbeddingType XRE_TermEmbedding;
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceDefs.h"
#include "nsProfileDirServiceProvider.h"
#include "nsStringAPI.h"
#include "nsXPCOMGlue.h"
#include "nsIClipboardCommands.h"
#include "nsIInterfaceRequestor.h"
#include "nsIObserverService.h"
#include "nsIObserver.h"
#include "nsIURI.h"
#include "nsIWebBrowserFocus.h"
#include "nsIWindowWatcher.h"
// NON-FROZEN APIs!
#include "nsIBaseWindow.h"
#include "nsIWebNavigation.h"
// Local header files
#include "winEmbed.h"
#include "WebBrowserChrome.h"
#include "WindowCreator.h"
#include "resource.h"
#define MAX_LOADSTRING 100
const TCHAR *szWindowClass = _T("WINEMBED");
// Foward declarations of functions included in this code module:
static ATOM MyRegisterClass(HINSTANCE hInstance);
static LRESULT CALLBACK BrowserWndProc(HWND, UINT, WPARAM, LPARAM);
static INT_PTR CALLBACK BrowserDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
static nsresult InitializeWindowCreator();
static nsresult OpenWebPage(const char * url);
static nsresult ResizeEmbedding(nsIWebBrowserChrome* chrome);
// Profile chooser stuff
static nsresult StartupProfile();
// Global variables
static UINT gDialogCount = 0;
static HINSTANCE ghInstanceApp = nullptr;
static char gFirstURL[1024];
// like strpbrk but finds the *last* char, not the first
static char*
ns_strrpbrk(char *string, const char *strCharSet)
{
char *found = nullptr;
for (; *string; ++string) {
for (const char *search = strCharSet; *search; ++search) {
if (*search == *string) {
found = string;
// Since we're looking for the last char, we save "found"
// until we're at the end of the string.
}
}
}
return found;
}
// A list of URLs to populate the URL drop down list with
static const TCHAR *gDefaultURLs[] =
{
_T("http://www.mozilla.org/"),
_T("http://www.netscape.com/"),
_T("http://browsertest.web.aol.com/tests/javascript/javascpt/index.htm"),
_T("http://127.0.0.1/"),
_T("http://www.yahoo.com/"),
_T("http://www.travelocity.com/"),
_T("http://www.disney.com/"),
_T("http://www.go.com/"),
_T("http://www.google.com/"),
_T("http://www.ebay.com/"),
_T("http://www.shockwave.com/"),
_T("http://www.slashdot.org/"),
_T("http://www.quicken.com/"),
_T("http://www.hotmail.com/"),
_T("http://www.cnn.com/"),
_T("http://www.javasoft.com/")
};
int main(int argc, char *argv[])
{
nsresult rv;
printf("You are embedded, man!\n\n");
printf("******************************************************************\n");
printf("* *\n");
printf("* IMPORTANT NOTE: *\n");
printf("* *\n");
printf("* WinEmbed is not supported!!! Do not raise bugs on it unless *\n");
printf("* it is badly broken (e.g. crash on start/exit, build errors) *\n");
printf("* or you have the patch to make it better! MFCEmbed is now our *\n");
printf("* embedding test application on Win32 and all testing should *\n");
printf("* be done on that. *\n");
printf("* *\n");
printf("******************************************************************\n");
printf("\n\n");
// Sophisticated command-line parsing in action
char *szFirstURL = "http://www.mozilla.org/projects/embedding/";
int argn;
for (argn = 1; argn < argc; argn++)
{
szFirstURL = argv[argn];
}
strncpy(gFirstURL, szFirstURL, sizeof(gFirstURL) - 1);
ghInstanceApp = GetModuleHandle(nullptr);
// Initialize global strings
TCHAR szTitle[MAX_LOADSTRING];
LoadString(ghInstanceApp, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
MyRegisterClass(ghInstanceApp);
char path[_MAX_PATH];
GetModuleFileName(ghInstanceApp, path, sizeof(path));
char* lastslash = ns_strrpbrk(path, "/\\");
if (!lastslash)
return 7;
strcpy(lastslash, "\\xulrunner\\xpcom.dll");
rv = XPCOMGlueStartup(path);
if (NS_FAILED(rv))
return 3;
strcpy(lastslash, "\\xulrunner\\xul.dll");
HINSTANCE xulModule = LoadLibraryEx(path, nullptr, 0);
if (!xulModule)
return 4;
XRE_InitEmbedding2 =
(XRE_InitEmbedding2Type) GetProcAddress(xulModule, "XRE_InitEmbedding2");
if (!XRE_InitEmbedding2) {
fprintf(stderr, "Error: %i\n", GetLastError());
return 5;
}
XRE_TermEmbedding =
(XRE_TermEmbeddingType) GetProcAddress(xulModule, "XRE_TermEmbedding");
if (!XRE_TermEmbedding) {
fprintf(stderr, "Error: %i\n", GetLastError());
return 5;
}
int result = 0;
// Scope all the XPCOM stuff
{
strcpy(lastslash, "\\xulrunner");
nsCOMPtr<nsIFile> xuldir;
rv = NS_NewNativeLocalFile(nsCString(path), false,
getter_AddRefs(xuldir));
if (NS_FAILED(rv))
return 6;
*lastslash = '\0';
nsCOMPtr<nsIFile> appdir;
rv = NS_NewNativeLocalFile(nsCString(path), false,
getter_AddRefs(appdir));
if (NS_FAILED(rv))
return 8;
rv = XRE_InitEmbedding2(xuldir, appdir, nullptr);
if (NS_FAILED(rv))
return 9;
if (NS_FAILED(StartupProfile())) {
result = 8;
}
else {
InitializeWindowCreator();
// Open the initial browser window
OpenWebPage(gFirstURL);
// Main message loop.
// NOTE: We use a fake event and a timeout in order to process idle stuff for
// Mozilla every 1/10th of a second.
bool runCondition = true;
result = AppCallbacks::RunEventLoop(runCondition);
}
}
XRE_TermEmbedding();
return result;
}
/* InitializeWindowCreator creates and hands off an object with a callback
to a window creation function. This is how all new windows are opened,
except any created directly by the embedding app. */
nsresult
InitializeWindowCreator()
{
// create an nsWindowCreator and give it to the WindowWatcher service
nsCOMPtr<nsIWindowCreator> creator(new WindowCreator());
if (!creator)
return NS_ERROR_OUT_OF_MEMORY;
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
if (!wwatch)
return NS_ERROR_UNEXPECTED;
return wwatch->SetWindowCreator(creator);
}
//-----------------------------------------------------------------------------
//
// FUNCTION: OpenWebPage()
//
// PURPOSE: Opens a new browser dialog and starts it loading to the
// specified url.
//
nsresult OpenWebPage(const char *url)
{
nsresult rv;
// Create the chrome object. Note that it leaves this function
// with an extra reference so that it can released correctly during
// destruction (via Win32UI::Destroy)
nsCOMPtr<nsIWebBrowserChrome> chrome;
rv = AppCallbacks::CreateBrowserWindow(nsIWebBrowserChrome::CHROME_ALL,
nullptr, getter_AddRefs(chrome));
if (NS_SUCCEEDED(rv))
{
// Start loading a page
nsCOMPtr<nsIWebBrowser> newBrowser;
chrome->GetWebBrowser(getter_AddRefs(newBrowser));
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(newBrowser));
return webNav->LoadURI(NS_ConvertASCIItoUTF16(url).get(),
nsIWebNavigation::LOAD_FLAGS_NONE,
nullptr,
nullptr,
nullptr);
}
return rv;
}
//
// FUNCTION: GetBrowserFromChrome()
//
// PURPOSE: Returns the HWND for the webbrowser container associated
// with the specified chrome.
//
HWND GetBrowserFromChrome(nsIWebBrowserChrome *aChrome)
{
if (!aChrome)
{
return nullptr;
}
nsCOMPtr<nsIEmbeddingSiteWindow> baseWindow = do_QueryInterface(aChrome);
HWND hwnd = nullptr;
baseWindow->GetSiteWindow((void **) & hwnd);
return hwnd;
}
//
// FUNCTION: GetBrowserDlgFromChrome()
//
// PURPOSE: Returns the HWND for the browser dialog associated with
// the specified chrome.
//
HWND GetBrowserDlgFromChrome(nsIWebBrowserChrome *aChrome)
{
return GetParent(GetBrowserFromChrome(aChrome));
}
//
// FUNCTION: ResizeEmbedding()
//
// PURPOSE: Resizes the webbrowser window to fit its container.
//
nsresult ResizeEmbedding(nsIWebBrowserChrome* chrome)
{
if (!chrome)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIEmbeddingSiteWindow> embeddingSite = do_QueryInterface(chrome);
HWND hWnd;
embeddingSite->GetSiteWindow((void **) & hWnd);
if (!hWnd)
return NS_ERROR_NULL_POINTER;
RECT rect;
GetClientRect(hWnd, &rect);
// Make sure the browser is visible and sized
nsCOMPtr<nsIWebBrowser> webBrowser;
chrome->GetWebBrowser(getter_AddRefs(webBrowser));
nsCOMPtr<nsIBaseWindow> webBrowserAsWin = do_QueryInterface(webBrowser);
if (webBrowserAsWin)
{
webBrowserAsWin->SetPositionAndSize(rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
true);
webBrowserAsWin->SetVisibility(true);
}
return NS_OK;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage is only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
memset(&wcex, 0, sizeof(wcex));
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC) BrowserWndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(ghInstanceApp, (LPCTSTR)IDI_WINEMBED);
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(ghInstanceApp, (LPCTSTR)IDI_SMALL);
return RegisterClassEx(&wcex);
}
//
// FUNCTION: UpdateUI()
//
// PURPOSE: Refreshes the buttons and menu items in the browser dialog
//
void UpdateUI(nsIWebBrowserChrome *aChrome)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
nsCOMPtr<nsIWebBrowser> webBrowser;
nsCOMPtr<nsIWebNavigation> webNavigation;
aChrome->GetWebBrowser(getter_AddRefs(webBrowser));
webNavigation = do_QueryInterface(webBrowser);
bool canGoBack = false;
bool canGoForward = false;
if (webNavigation)
{
webNavigation->GetCanGoBack(&canGoBack);
webNavigation->GetCanGoForward(&canGoForward);
}
bool canCutSelection = false;
bool canCopySelection = false;
bool canPaste = false;
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
if (clipCmds)
{
clipCmds->CanCutSelection(&canCutSelection);
clipCmds->CanCopySelection(&canCopySelection);
clipCmds->CanPaste(&canPaste);
}
HMENU hmenu = GetMenu(hwndDlg);
if (hmenu)
{
EnableMenuItem(hmenu, MOZ_GoBack, MF_BYCOMMAND |
((canGoBack) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED)));
EnableMenuItem(hmenu, MOZ_GoForward, MF_BYCOMMAND |
((canGoForward) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED)));
EnableMenuItem(hmenu, MOZ_Cut, MF_BYCOMMAND |
((canCutSelection) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED)));
EnableMenuItem(hmenu, MOZ_Copy, MF_BYCOMMAND |
((canCopySelection) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED)));
EnableMenuItem(hmenu, MOZ_Paste, MF_BYCOMMAND |
((canPaste) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED)));
}
HWND button;
button = GetDlgItem(hwndDlg, IDC_BACK);
if (button)
EnableWindow(button, canGoBack);
button = GetDlgItem(hwndDlg, IDC_FORWARD);
if (button)
EnableWindow(button, canGoForward);
}
//
// FUNCTION: BrowserDlgProc()
//
// PURPOSE: Browser dialog windows message handler.
//
// COMMENTS:
//
// The code for handling buttons and menu actions is here.
//
INT_PTR CALLBACK BrowserDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
// Get the browser and other pointers since they are used a lot below
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
nsIWebBrowserChrome *chrome = nullptr ;
if (hwndBrowser)
{
chrome = (nsIWebBrowserChrome *) GetWindowLongPtr(hwndBrowser, GWLP_USERDATA);
}
nsCOMPtr<nsIWebBrowser> webBrowser;
nsCOMPtr<nsIWebNavigation> webNavigation;
if (chrome)
{
chrome->GetWebBrowser(getter_AddRefs(webBrowser));
webNavigation = do_QueryInterface(webBrowser);
}
// Test the message
switch (uMsg)
{
case WM_INITDIALOG:
return TRUE;
case WM_INITMENU:
UpdateUI(chrome);
return TRUE;
case WM_SYSCOMMAND:
if (wParam == SC_CLOSE)
{
WebBrowserChromeUI::Destroy(chrome);
return TRUE;
}
break;
case WM_DESTROY:
return TRUE;
case WM_COMMAND:
if (!webBrowser)
{
return TRUE;
}
// Test which command was selected
switch (LOWORD(wParam))
{
case IDC_ADDRESS:
if (HIWORD(wParam) == CBN_EDITCHANGE || HIWORD(wParam) == CBN_SELCHANGE)
{
// User has changed the address field so enable the Go button
EnableWindow(GetDlgItem(hwndDlg, IDC_GO), TRUE);
}
break;
case IDC_GO:
{
TCHAR szURL[2048];
memset(szURL, 0, sizeof(szURL));
GetDlgItemText(hwndDlg, IDC_ADDRESS, szURL,
sizeof(szURL) / sizeof(szURL[0]) - 1);
webNavigation->LoadURI(
NS_ConvertASCIItoUTF16(szURL).get(),
nsIWebNavigation::LOAD_FLAGS_NONE,
nullptr,
nullptr,
nullptr);
}
break;
case IDC_STOP:
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
UpdateUI(chrome);
break;
case IDC_RELOAD:
webNavigation->Reload(nsIWebNavigation::LOAD_FLAGS_NONE);
break;
case IDM_EXIT:
PostMessage(hwndDlg, WM_SYSCOMMAND, SC_CLOSE, 0);
break;
// File menu commands
case MOZ_NewBrowser:
OpenWebPage(gFirstURL);
break;
// Edit menu commands
case MOZ_Cut:
{
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
clipCmds->CutSelection();
}
break;
case MOZ_Copy:
{
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
clipCmds->CopySelection();
}
break;
case MOZ_Paste:
{
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
clipCmds->Paste();
}
break;
case MOZ_SelectAll:
{
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
clipCmds->SelectAll();
}
break;
case MOZ_SelectNone:
{
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
clipCmds->SelectNone();
}
break;
// Go menu commands
case IDC_BACK:
case MOZ_GoBack:
webNavigation->GoBack();
UpdateUI(chrome);
break;
case IDC_FORWARD:
case MOZ_GoForward:
webNavigation->GoForward();
UpdateUI(chrome);
break;
// Help menu commands
case MOZ_About:
{
TCHAR szAboutTitle[MAX_LOADSTRING];
TCHAR szAbout[MAX_LOADSTRING];
LoadString(ghInstanceApp, IDS_ABOUT_TITLE, szAboutTitle, MAX_LOADSTRING);
LoadString(ghInstanceApp, IDS_ABOUT, szAbout, MAX_LOADSTRING);
MessageBox(nullptr, szAbout, szAboutTitle, MB_OK);
}
break;
}
return TRUE;
case WM_ACTIVATE:
{
nsCOMPtr<nsIWebBrowserFocus> focus(do_GetInterface(webBrowser));
if(focus)
{
switch (wParam)
{
case WA_ACTIVE:
focus->Activate();
break;
case WA_INACTIVE:
focus->Deactivate();
break;
default:
break;
}
}
}
break;
case WM_SIZE:
{
UINT newDlgWidth = LOWORD(lParam);
UINT newDlgHeight = HIWORD(lParam);
// TODO Reposition the control bar - for the moment it's fixed size
// Reposition the status area. Status bar
// gets any space that the fixed size progress bar doesn't use.
int progressWidth;
int statusWidth;
int statusHeight;
HWND hwndStatus = GetDlgItem(hwndDlg, IDC_STATUS);
if (hwndStatus) {
RECT rcStatus;
GetWindowRect(hwndStatus, &rcStatus);
statusHeight = rcStatus.bottom - rcStatus.top;
} else
statusHeight = 0;
HWND hwndProgress = GetDlgItem(hwndDlg, IDC_PROGRESS);
if (hwndProgress) {
RECT rcProgress;
GetWindowRect(hwndProgress, &rcProgress);
progressWidth = rcProgress.right - rcProgress.left;
} else
progressWidth = 0;
statusWidth = newDlgWidth - progressWidth;
if (hwndStatus)
SetWindowPos(hwndStatus,
HWND_TOP,
0, newDlgHeight - statusHeight,
statusWidth,
statusHeight,
SWP_NOZORDER);
if (hwndProgress)
SetWindowPos(hwndProgress,
HWND_TOP,
statusWidth, newDlgHeight - statusHeight,
0, 0,
SWP_NOSIZE | SWP_NOZORDER);
// Resize the browser area (assuming the browse is
// sandwiched between the control bar and status area)
RECT rcBrowser;
POINT ptBrowser;
GetWindowRect(hwndBrowser, &rcBrowser);
ptBrowser.x = rcBrowser.left;
ptBrowser.y = rcBrowser.top;
ScreenToClient(hwndDlg, &ptBrowser);
int browserHeight = newDlgHeight - ptBrowser.y - statusHeight;
if (browserHeight < 1)
{
browserHeight = 1;
}
SetWindowPos(hwndBrowser,
HWND_TOP,
0, 0,
newDlgWidth,
newDlgHeight - ptBrowser.y - statusHeight,
SWP_NOMOVE | SWP_NOZORDER);
}
return TRUE;
}
return FALSE;
}
//
// FUNCTION: BrowserWndProc(HWND, UINT, WRAPAM, LPARAM)
//
// PURPOSE: Processes messages for the browser container window.
//
LRESULT CALLBACK BrowserWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
nsIWebBrowserChrome *chrome = (nsIWebBrowserChrome *) GetWindowLongPtr(hWnd, GWLP_USERDATA);
switch (message)
{
case WM_SIZE:
// Resize the embedded browser
ResizeEmbedding(chrome);
return 0;
case WM_ERASEBKGND:
// Reduce flicker by not painting the non-visible background
return 1;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
//
// FUNCTION: StartupProfile()
//
// PURPOSE:
//
nsresult StartupProfile()
{
nsCOMPtr<nsIFile> appDataDir;
nsresult rv = NS_GetSpecialDirectory(NS_APP_APPLICATION_REGISTRY_DIR, getter_AddRefs(appDataDir));
if (NS_FAILED(rv))
return rv;
appDataDir->AppendNative(nsCString("winembed"));
nsCOMPtr<nsProfileDirServiceProvider> locProvider;
NS_NewProfileDirServiceProvider(true, getter_AddRefs(locProvider));
if (!locProvider)
return NS_ERROR_FAILURE;
rv = locProvider->Register();
if (NS_FAILED(rv))
return rv;
return locProvider->SetProfileDir(appDataDir);
}
///////////////////////////////////////////////////////////////////////////////
// WebBrowserChromeUI
//
// FUNCTION: CreateNativeWindow()
//
// PURPOSE: Creates a new browser dialog.
//
// COMMENTS:
//
// This function loads the browser dialog from a resource template
// and returns the HWND for the webbrowser container dialog item
// to the caller.
//
HWND WebBrowserChromeUI::CreateNativeWindow(nsIWebBrowserChrome* chrome)
{
// Load the browser dialog from resource
HWND hwndDialog;
uint32_t chromeFlags;
chrome->GetChromeFlags(&chromeFlags);
if ((chromeFlags & nsIWebBrowserChrome::CHROME_ALL) == nsIWebBrowserChrome::CHROME_ALL)
hwndDialog = CreateDialog(ghInstanceApp,
MAKEINTRESOURCE(IDD_BROWSER),
nullptr,
BrowserDlgProc);
else
hwndDialog = CreateDialog(ghInstanceApp,
MAKEINTRESOURCE(IDD_BROWSER_NC),
nullptr,
BrowserDlgProc);
if (!hwndDialog)
return nullptr;
// Stick a menu onto it
if (chromeFlags & nsIWebBrowserChrome::CHROME_MENUBAR) {
HMENU hmenuDlg = LoadMenu(ghInstanceApp, MAKEINTRESOURCE(IDC_WINEMBED));
SetMenu(hwndDialog, hmenuDlg);
} else
SetMenu(hwndDialog, 0);
// Add some interesting URLs to the address drop down
HWND hwndAddress = GetDlgItem(hwndDialog, IDC_ADDRESS);
if (hwndAddress) {
for (int i = 0; i < sizeof(gDefaultURLs) / sizeof(gDefaultURLs[0]); i++)
{
SendMessage(hwndAddress, CB_ADDSTRING, 0, (LPARAM) gDefaultURLs[i]);
}
}
// Fetch the browser window handle
HWND hwndBrowser = GetDlgItem(hwndDialog, IDC_BROWSER);
SetWindowLongPtr(hwndBrowser, GWLP_USERDATA, (LONG_PTR)chrome); // save the browser LONG_PTR.
SetWindowLongPtr(hwndBrowser, GWL_STYLE, GetWindowLongPtr(hwndBrowser, GWL_STYLE) | WS_CLIPCHILDREN);
// Activate the window
PostMessage(hwndDialog, WM_ACTIVATE, WA_ACTIVE, 0);
gDialogCount++;
return hwndBrowser;
}
//
// FUNCTION: Destroy()
//
// PURPOSE: Destroy the window specified by the chrome
//
void WebBrowserChromeUI::Destroy(nsIWebBrowserChrome* chrome)
{
nsCOMPtr<nsIWebBrowser> webBrowser;
nsCOMPtr<nsIWebNavigation> webNavigation;
chrome->GetWebBrowser(getter_AddRefs(webBrowser));
webNavigation = do_QueryInterface(webBrowser);
if (webNavigation)
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
chrome->ExitModalEventLoop(NS_OK);
HWND hwndDlg = GetBrowserDlgFromChrome(chrome);
if (hwndDlg == nullptr)
return;
// Explicitly destroy the embedded browser and then the chrome
// First the browser
nsCOMPtr<nsIWebBrowser> browser = nullptr;
chrome->GetWebBrowser(getter_AddRefs(browser));
nsCOMPtr<nsIBaseWindow> browserAsWin = do_QueryInterface(browser);
if (browserAsWin)
browserAsWin->Destroy();
// Now the chrome
chrome->SetWebBrowser(nullptr);
NS_RELEASE(chrome);
}
//
// FUNCTION: Called as the final act of a chrome object during its destructor
//
void WebBrowserChromeUI::Destroyed(nsIWebBrowserChrome* chrome)
{
HWND hwndDlg = GetBrowserDlgFromChrome(chrome);
if (hwndDlg == nullptr)
{
return;
}
// Clear the window user data
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
SetWindowLongPtr(hwndBrowser, GWLP_USERDATA, 0);
DestroyWindow(hwndBrowser);
DestroyWindow(hwndDlg);
--gDialogCount;
if (gDialogCount == 0)
{
// Quit when there are no more browser objects
PostQuitMessage(0);
}
}
//
// FUNCTION: Set the input focus onto the browser window
//
void WebBrowserChromeUI::SetFocus(nsIWebBrowserChrome *chrome)
{
HWND hwndDlg = GetBrowserDlgFromChrome(chrome);
if (hwndDlg == nullptr)
{
return;
}
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
::SetFocus(hwndBrowser);
}
//
// FUNCTION: UpdateStatusBarText()
//
// PURPOSE: Set the status bar text.
//
void WebBrowserChromeUI::UpdateStatusBarText(nsIWebBrowserChrome *aChrome, const PRUnichar* aStatusText)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
nsCString status;
if (aStatusText) {
nsString wStatusText(aStatusText);
NS_UTF16ToCString(wStatusText, NS_CSTRING_ENCODING_NATIVE_FILESYSTEM,
status);
}
SetDlgItemText(hwndDlg, IDC_STATUS, status.get());
}
//
// FUNCTION: UpdateCurrentURI()
//
// PURPOSE: Updates the URL address field
//
void WebBrowserChromeUI::UpdateCurrentURI(nsIWebBrowserChrome *aChrome)
{
nsCOMPtr<nsIWebBrowser> webBrowser;
nsCOMPtr<nsIWebNavigation> webNavigation;
aChrome->GetWebBrowser(getter_AddRefs(webBrowser));
webNavigation = do_QueryInterface(webBrowser);
nsCOMPtr<nsIURI> currentURI;
webNavigation->GetCurrentURI(getter_AddRefs(currentURI));
if (currentURI)
{
nsCString uriString;
currentURI->GetAsciiSpec(uriString);
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
SetDlgItemText(hwndDlg, IDC_ADDRESS, uriString.get());
}
}
//
// FUNCTION: UpdateBusyState()
//
// PURPOSE: Refreshes the stop/go buttons in the browser dialog
//
void WebBrowserChromeUI::UpdateBusyState(nsIWebBrowserChrome *aChrome, bool aBusy)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
HWND button;
button = GetDlgItem(hwndDlg, IDC_STOP);
if (button)
EnableWindow(button, aBusy);
button = GetDlgItem(hwndDlg, IDC_GO);
if (button)
EnableWindow(button, !aBusy);
UpdateUI(aChrome);
}
//
// FUNCTION: UpdateProgress()
//
// PURPOSE: Refreshes the progress bar in the browser dialog
//
void WebBrowserChromeUI::UpdateProgress(nsIWebBrowserChrome *aChrome, int32_t aCurrent, int32_t aMax)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
HWND hwndProgress = GetDlgItem(hwndDlg, IDC_PROGRESS);
if (aCurrent < 0)
{
aCurrent = 0;
}
if (aCurrent > aMax)
{
aMax = aCurrent + 20; // What to do?
}
if (hwndProgress)
{
SendMessage(hwndProgress, PBM_SETRANGE, 0, MAKELPARAM(0, aMax));
SendMessage(hwndProgress, PBM_SETPOS, aCurrent, 0);
}
}
//
// FUNCTION: ShowContextMenu()
//
// PURPOSE: Display a context menu for the given node
//
void WebBrowserChromeUI::ShowContextMenu(nsIWebBrowserChrome *aChrome, uint32_t aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
{
// TODO code to test context flags and display a popup menu should go here
}
//
// FUNCTION: ShowTooltip()
//
// PURPOSE: Show a tooltip
//
void WebBrowserChromeUI::ShowTooltip(nsIWebBrowserChrome *aChrome, int32_t aXCoords, int32_t aYCoords, const PRUnichar *aTipText)
{
// TODO code to show a tooltip should go here
}
//
// FUNCTION: HideTooltip()
//
// PURPOSE: Hide the tooltip
//
void WebBrowserChromeUI::HideTooltip(nsIWebBrowserChrome *aChrome)
{
// TODO code to hide a tooltip should go here
}
void WebBrowserChromeUI::ShowWindow(nsIWebBrowserChrome *aChrome, bool aShow)
{
HWND win = GetBrowserDlgFromChrome(aChrome);
::ShowWindow(win, aShow ? SW_RESTORE : SW_HIDE);
}
void WebBrowserChromeUI::SizeTo(nsIWebBrowserChrome *aChrome, int32_t aWidth, int32_t aHeight)
{
HWND hchrome = GetBrowserDlgFromChrome(aChrome);
HWND hbrowser = GetBrowserFromChrome(aChrome);
RECT chromeRect, browserRect;
::GetWindowRect(hchrome, &chromeRect);
::GetWindowRect(hbrowser, &browserRect);
int32_t decoration_x = (browserRect.left - chromeRect.left) +
(chromeRect.right - browserRect.right);
int32_t decoration_y = (browserRect.top - chromeRect.top) +
(chromeRect.bottom - browserRect.bottom);
::MoveWindow(hchrome, chromeRect.left, chromeRect.top,
aWidth+decoration_x,
aHeight+decoration_y, TRUE);
}
//
// FUNCTION: GetResourceStringByID()
//
// PURPOSE: Get the resource string for the ID
//
void WebBrowserChromeUI::GetResourceStringById(int32_t aID, char ** aReturn)
{
char resBuf[MAX_LOADSTRING];
int retval = LoadString( ghInstanceApp, aID, (LPTSTR)resBuf, sizeof(resBuf) );
if (retval != 0)
{
size_t resLen = strlen(resBuf);
*aReturn = (char *)calloc(resLen+1, sizeof(char *));
if (!*aReturn) return;
strncpy(*aReturn, resBuf, resLen);
}
return;
}
//-----------------------------------------------------------------------------
// AppCallbacks
//-----------------------------------------------------------------------------
nsresult AppCallbacks::CreateBrowserWindow(uint32_t aChromeFlags,
nsIWebBrowserChrome *aParent,
nsIWebBrowserChrome **aNewWindow)
{
WebBrowserChrome * chrome = new WebBrowserChrome();
if (!chrome)
return NS_ERROR_FAILURE;
// the interface to return and one addref, which we assume will be
// immediately released
CallQueryInterface(static_cast<nsIWebBrowserChrome*>(chrome), aNewWindow);
// now an extra addref; the window owns itself (to be released by
// WebBrowserChromeUI::Destroy)
NS_ADDREF(*aNewWindow);
chrome->SetChromeFlags(aChromeFlags);
chrome->SetParent(aParent);
// Insert the browser
nsCOMPtr<nsIWebBrowser> newBrowser;
chrome->CreateBrowser(-1, -1, -1, -1, getter_AddRefs(newBrowser));
if (!newBrowser)
return NS_ERROR_FAILURE;
// Place it where we want it.
ResizeEmbedding(static_cast<nsIWebBrowserChrome*>(chrome));
// if opened as chrome, it'll be made visible after the chrome has loaded.
// otherwise, go ahead and show it now.
if (!(aChromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME))
WebBrowserChromeUI::ShowWindow(*aNewWindow, true);
return NS_OK;
}
void AppCallbacks::EnableChromeWindow(nsIWebBrowserChrome *aWindow,
bool aEnabled)
{
HWND hwnd = GetBrowserDlgFromChrome(aWindow);
::EnableWindow(hwnd, aEnabled ? TRUE : FALSE);
}
uint32_t AppCallbacks::RunEventLoop(bool &aRunCondition)
{
MSG msg;
HANDLE hFakeEvent = ::CreateEvent(nullptr, TRUE, FALSE, nullptr);
while (aRunCondition ) {
// Process pending messages
while (::PeekMessage(&msg, nullptr, 0, 0, PM_NOREMOVE)) {
if (!::GetMessage(&msg, nullptr, 0, 0)) {
// WM_QUIT
aRunCondition = false;
break;
}
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
// Do idle stuff
::MsgWaitForMultipleObjects(1, &hFakeEvent, FALSE, 100, QS_ALLEVENTS);
}
::CloseHandle(hFakeEvent);
return (uint32_t)msg.wParam;
}
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