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pjs/embedding/tests/winEmbed/winEmbed.cpp

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40 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Doug Turner <dougt@netscape.com>
* Adam Lock <adamlock@netscape.com>
*/
#include <stdio.h>
#include "stdafx.h"
// Win32 header files
#include "windows.h"
#include "commctrl.h"
#include "commdlg.h"
// Mozilla header files
#include "nsEmbedAPI.h"
#include "nsWeakReference.h"
#include "nsIClipboardCommands.h"
#include "nsXPIDLString.h"
#include "nsIWebBrowserPersist.h"
#include "nsIWindowWatcher.h"
#include "nsIProfile.h"
#include "nsIObserverService.h"
#include "nsIObserver.h"
#include "nsIProfileChangeStatus.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 BOOL 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 BOOL ChooseNewProfile(BOOL bShowForMultipleProfilesOnly, const char *szDefaultProfile);
static LRESULT CALLBACK ChooseProfileDlgProc(HWND, UINT, WPARAM, LPARAM);
// Global variables
static UINT gDialogCount = 0;
static BOOL gProfileSwitch = FALSE;
static HINSTANCE ghInstanceResources = NULL;
static HINSTANCE ghInstanceApp = NULL;
static char gFirstURL[1024];
// 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/")
};
class ProfileChangeObserver : public nsIObserver,
public nsSupportsWeakReference
{
public:
ProfileChangeObserver();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
};
int main(int argc, char *argv[])
{
printf("\nYou are embedded, man!\n\n");
// Sophisticated command-line parsing in action
char *szFirstURL = "http://www.mozilla.org/projects/embedding";
char *szDefaultProfile = nsnull;
int argn;
for (argn = 1; argn < argc; argn++)
{
if (stricmp("-P", argv[argn]) == 0)
{
if (argn + 1 < argc)
{
szDefaultProfile = argv[++argn];
}
}
else
{
szFirstURL = argv[argn];
}
}
strncpy(gFirstURL, szFirstURL, sizeof(gFirstURL) - 1);
ghInstanceApp = GetModuleHandle(NULL);
ghInstanceResources = GetModuleHandle(NULL);
// Initialize global strings
TCHAR szTitle[MAX_LOADSTRING];
LoadString(ghInstanceResources, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
MyRegisterClass(ghInstanceApp);
// Init Embedding APIs
NS_InitEmbedding(nsnull, nsnull);
// Choose the new profile
if (!ChooseNewProfile(TRUE, szDefaultProfile))
{
NS_TermEmbedding();
return 1;
}
// Now register an observer to watch for profile changes
nsCOMPtr<nsIObserverService> observerService(do_GetService(NS_OBSERVERSERVICE_CONTRACTID));
ProfileChangeObserver *observer = new ProfileChangeObserver;
observer->AddRef();
observerService->AddObserver(NS_STATIC_CAST(nsIObserver *, observer), NS_LITERAL_STRING("profile-approve-change").get());
observerService->AddObserver(NS_STATIC_CAST(nsIObserver *, observer), NS_LITERAL_STRING("profile-change-teardown").get());
observerService->AddObserver(NS_STATIC_CAST(nsIObserver *, observer), NS_LITERAL_STRING("profile-after-change").get());
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.
PRBool runCondition = PR_TRUE;
WPARAM rv;
rv = AppCallbacks::RunEventLoop(runCondition);
observer->Release();
// Close down Embedding APIs
NS_TermEmbedding();
return rv;
}
//-----------------------------------------------------------------------------
// ProfileChangeObserver
//-----------------------------------------------------------------------------
NS_IMPL_THREADSAFE_ISUPPORTS2(ProfileChangeObserver, nsIObserver, nsISupportsWeakReference);
ProfileChangeObserver::ProfileChangeObserver()
{
NS_INIT_REFCNT();
}
// ---------------------------------------------------------------------------
// CMfcEmbedApp : nsIObserver
// ---------------------------------------------------------------------------
NS_IMETHODIMP ProfileChangeObserver::Observe(nsISupports *aSubject, const PRUnichar *aTopic, const PRUnichar *someData)
{
nsresult rv = NS_OK;
if (nsCRT::strcmp(aTopic, NS_LITERAL_STRING("profile-approve-change").get()) == 0)
{
// The profile is about to change!
// Ask the user if they want to
int result = ::MessageBox(NULL, "Do you want to close all windows in order to switch the profile?", "Confirm", MB_YESNO | MB_ICONQUESTION);
if (result != IDYES)
{
nsCOMPtr<nsIProfileChangeStatus> status = do_QueryInterface(aSubject);
NS_ENSURE_TRUE(status, NS_ERROR_FAILURE);
status->VetoChange();
}
}
else if (nsCRT::strcmp(aTopic, NS_LITERAL_STRING("profile-change-teardown").get()) == 0)
{
// The profile is changing!
// Prevent WM_QUIT by incrementing the dialog count
gDialogCount++;
}
else if (nsCRT::strcmp(aTopic, NS_LITERAL_STRING("profile-after-change").get()) == 0)
{
// Decrease the dialog count so WM_QUIT can once more happen
gDialogCount--;
if (gDialogCount == 0)
{
// All the dialogs have been torn down so open new page
OpenWebPage(gFirstURL);
}
else
{
// The profile has changed, but dialogs are still being
// torn down. Set this flag so when the last one goes
// it can finish the switch.
gProfileSwitch = TRUE;
}
}
return rv;
}
/* InitializeWindowCreator creates and hands off an object with a callback
to a window creation function. This will be used by Gecko C++ code
(never JS) to create new windows when no previous window is handy
to begin with. This is done in a few exceptional cases, like PSM code.
Failure to set this callback will only disable the ability to create
new windows under these circumstances. */
nsresult InitializeWindowCreator()
{
// create an nsWindowCreator and give it to the WindowWatcher service
WindowCreator *creatorCallback = new WindowCreator();
if (creatorCallback)
{
nsCOMPtr<nsIWindowCreator> windowCreator(dont_QueryInterface(NS_STATIC_CAST(nsIWindowCreator *, creatorCallback)));
if (windowCreator)
{
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService("@mozilla.org/embedcomp/window-watcher;1"));
if (wwatch)
{
wwatch->SetWindowCreator(windowCreator);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------------------
//
// 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)
nsIWebBrowserChrome *chrome = nsnull;
rv = AppCallbacks::CreateBrowserWindow(nsIWebBrowserChrome::CHROME_ALL,
nsnull, &chrome);
if (NS_SUCCEEDED(rv))
{
WebBrowserChromeUI::ShowWindow(chrome, PR_TRUE);
// Start loading a page
nsCOMPtr<nsIWebBrowser> newBrowser;
chrome->GetWebBrowser(getter_AddRefs(newBrowser));
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(newBrowser));
return webNav->LoadURI(NS_ConvertASCIItoUCS2(url).GetUnicode(),
nsIWebNavigation::LOAD_FLAGS_NONE);
}
return rv;
}
//
// FUNCTION: GetBrowserFromChrome()
//
// PURPOSE: Returns the HWND for the webbrowser container associated
// with the specified chrome.
//
HWND GetBrowserFromChrome(nsIWebBrowserChrome *aChrome)
{
if (!aChrome)
{
return NULL;
}
nsCOMPtr<nsIEmbeddingSiteWindow> baseWindow = do_QueryInterface(aChrome);
HWND hwnd = NULL;
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: SaveWebPage()
//
// PURPOSE: Saves the contents of the web page to a file
//
void SaveWebPage(nsIWebBrowser *aWebBrowser)
{
// Use the browser window title as the initial file name
nsCOMPtr<nsIBaseWindow> webBrowserAsWin = do_QueryInterface(aWebBrowser);
nsXPIDLString windowTitle;
webBrowserAsWin->GetTitle(getter_Copies(windowTitle));
nsCString fileName; fileName.AssignWithConversion(windowTitle);
// Sanitize the title of all illegal characters
fileName.CompressWhitespace(); // Remove whitespace from the ends
fileName.StripChars("\\*|:\"><?"); // Strip illegal characters
fileName.ReplaceChar('.', L'_'); // Dots become underscores
fileName.ReplaceChar('/', L'-'); // Forward slashes become hyphens
// Copy filename to a character buffer
char szFile[_MAX_PATH];
memset(szFile, 0, sizeof(szFile));
fileName.ToCString(szFile, sizeof(szFile) - 1);
// Initialize the file save as information structure
OPENFILENAME saveFileNameInfo;
memset(&saveFileNameInfo, 0, sizeof(saveFileNameInfo));
saveFileNameInfo.lStructSize = sizeof(saveFileNameInfo);
saveFileNameInfo.hwndOwner = NULL;
saveFileNameInfo.hInstance = NULL;
saveFileNameInfo.lpstrFilter =
"Web Page, HTML Only (*.htm;*.html)\0*.htm;*.html\0"
"Web Page, Complete (*.htm;*.html)\0*.htm;*.html\0"
"Text File (*.txt)\0*.txt\0";
saveFileNameInfo.lpstrCustomFilter = NULL;
saveFileNameInfo.nMaxCustFilter = NULL;
saveFileNameInfo.nFilterIndex = 1;
saveFileNameInfo.lpstrFile = szFile;
saveFileNameInfo.nMaxFile = sizeof(szFile);
saveFileNameInfo.lpstrFileTitle = NULL;
saveFileNameInfo.nMaxFileTitle = 0;
saveFileNameInfo.lpstrInitialDir = NULL;
saveFileNameInfo.lpstrTitle = NULL;
saveFileNameInfo.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
saveFileNameInfo.nFileOffset = NULL;
saveFileNameInfo.nFileExtension = NULL;
saveFileNameInfo.lpstrDefExt = "htm";
saveFileNameInfo.lCustData = NULL;
saveFileNameInfo.lpfnHook = NULL;
saveFileNameInfo.lpTemplateName = NULL;
if (GetSaveFileName(&saveFileNameInfo))
{
// Does the user want to save the complete document including
// all frames, images, scripts, stylesheets etc. ?
char *pszDataPath = NULL;
if (saveFileNameInfo.nFilterIndex == 2) // 2nd choice means save everything
{
static char szDataFile[_MAX_PATH];
char szDataPath[_MAX_PATH];
char drive[_MAX_DRIVE];
char dir[_MAX_DIR];
char fname[_MAX_FNAME];
char ext[_MAX_EXT];
_splitpath(szFile, drive, dir, fname, ext);
sprintf(szDataFile, "%s_files", fname);
_makepath(szDataPath, drive, dir, szDataFile, "");
pszDataPath = szDataPath;
}
// Save away
nsCOMPtr<nsIWebBrowserPersist> persist(do_QueryInterface(aWebBrowser));
persist->SaveDocument(nsnull, szFile, pszDataPath);
}
}
//
// 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,
PR_TRUE);
webBrowserAsWin->SetVisibility(PR_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(ghInstanceResources, (LPCTSTR)IDI_WINEMBED);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(ghInstanceResources, (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);
PRBool canGoBack = PR_FALSE;
PRBool canGoForward = PR_FALSE;
if (webNavigation)
{
webNavigation->GetCanGoBack(&canGoBack);
webNavigation->GetCanGoForward(&canGoForward);
}
PRBool canCutSelection = PR_FALSE;
PRBool canCopySelection = PR_FALSE;
PRBool canPaste = PR_FALSE;
nsCOMPtr<nsIClipboardCommands> clipCmds = do_GetInterface(webBrowser);
if (nsIClipboardCommands)
{
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.
//
BOOL CALLBACK BrowserDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_COMMAND && LOWORD(wParam) == MOZ_SwitchProfile)
{
ChooseNewProfile(FALSE, NULL);
return FALSE;
}
// Get the browser and other pointers since they are used a lot below
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
nsIWebBrowserChrome *chrome = nsnull ;
if (hwndBrowser)
{
chrome = (nsIWebBrowserChrome *) GetWindowLong(hwndBrowser, GWL_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_ConvertASCIItoUCS2(szURL).GetUnicode(),
nsIWebNavigation::LOAD_FLAGS_NONE);
}
break;
case IDC_STOP:
webNavigation->Stop();
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;
case MOZ_Save:
SaveWebPage(webBrowser);
break;
case MOZ_Print:
{
// NOTE: Embedding code shouldn't need to get the docshell or
// contentviewer AT ALL. This code below will break one
// day but will have to do until the embedding API has
// a cleaner way to do the same thing.
nsCOMPtr <nsIDocShell> rootDocShell = do_GetInterface(webBrowser);
nsCOMPtr<nsIContentViewer> pContentViewer;
nsresult res = rootDocShell->GetContentViewer(getter_AddRefs(pContentViewer));
if (NS_SUCCEEDED(res))
{
nsCOMPtr<nsIContentViewerFile> spContentViewerFile = do_QueryInterface(pContentViewer);
spContentViewerFile->Print(PR_TRUE, nsnull);
}
}
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(ghInstanceResources, IDS_ABOUT_TITLE, szAboutTitle, MAX_LOADSTRING);
LoadString(ghInstanceResources, IDS_ABOUT, szAbout, MAX_LOADSTRING);
MessageBox(NULL, szAbout, szAboutTitle, MB_OK);
}
break;
}
return TRUE;
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, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the browser container window.
//
LRESULT CALLBACK BrowserWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
nsIWebBrowserChrome *chrome = (nsIWebBrowserChrome *) GetWindowLong(hWnd, GWL_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);
}
///////////////////////////////////////////////////////////////////////////////
// Profile chooser dialog
//
// FUNCTION: ChooseNewProfile()
//
// PURPOSE: Allows the user to select a new profile from a list.
// The bShowForMultipleProfilesOnly argument specifies whether the
// function should automatically select the first profile and return
// without displaying a dialog box if there is only one profile to
// select.
//
BOOL ChooseNewProfile(BOOL bShowForMultipleProfilesOnly, const char *szDefaultProfile)
{
nsresult rv;
NS_WITH_SERVICE(nsIProfile, profileService, NS_PROFILE_CONTRACTID, &rv);
if (NS_FAILED(rv))
{
return FALSE;
}
if (szDefaultProfile)
{
// Make a new default profile
nsAutoString newProfileName; newProfileName.AssignWithConversion(szDefaultProfile);
rv = profileService->CreateNewProfile(newProfileName.get(), nsnull, nsnull, PR_FALSE);
if (NS_FAILED(rv)) return FALSE;
rv = profileService->SetCurrentProfile(newProfileName.get());
if (NS_FAILED(rv)) return FALSE;
return TRUE;
}
PRInt32 profileCount = 0;
rv = profileService->GetProfileCount(&profileCount);
if (profileCount == 0)
{
// Make a new default profile
NS_NAMED_LITERAL_STRING(newProfileName, "winEmbed");
rv = profileService->CreateNewProfile(newProfileName.get(), nsnull, nsnull, PR_FALSE);
if (NS_FAILED(rv)) return FALSE;
rv = profileService->SetCurrentProfile(newProfileName.get());
if (NS_FAILED(rv)) return FALSE;
return TRUE;
}
else if (profileCount == 1 && bShowForMultipleProfilesOnly)
{
// GetCurrentProfile returns the profile which was last used but is not nescesarily
// active. Call SetCurrentProfile to make it installed and active.
nsXPIDLString currProfileName;
rv = profileService->GetCurrentProfile(getter_Copies(currProfileName));
if (NS_FAILED(rv)) return FALSE;
rv = profileService->SetCurrentProfile(currProfileName);
if (NS_FAILED(rv)) return FALSE;
return TRUE;
}
INT nResult;
nResult = DialogBox(ghInstanceResources, (LPCTSTR)IDD_CHOOSEPROFILE, NULL, (DLGPROC)ChooseProfileDlgProc);
return (nResult == IDOK) ? TRUE : FALSE;
}
//
// FUNCTION: ChooseProfileDlgProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Dialog handler procedure for the open uri dialog.
//
LRESULT CALLBACK ChooseProfileDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
nsresult rv;
switch (message)
{
case WM_INITDIALOG:
{
HWND hwndProfileList = GetDlgItem(hDlg, IDC_PROFILELIST);
NS_WITH_SERVICE(nsIProfile, profileService, NS_PROFILE_CONTRACTID, &rv);
// Get the list of profile names and add them to the list box
PRUint32 listLen = 0;
PRUnichar **profileList = nsnull;
rv = profileService->GetProfileList(&listLen, &profileList);
for (PRUint32 index = 0; index < listLen; index++)
{
#ifdef UNICODE
SendMessageW(hwndProfileList, LB_ADDSTRING, 0, (LPARAM) profileList[index]);
#else
nsCAutoString profile; profile.AssignWithConversion(profileList[index]);
SendMessageA(hwndProfileList, LB_ADDSTRING, 0, (LPARAM) profile.get());
#endif
}
// Select the current profile (if there is one)
// Get the current profile
#ifdef UNICODE
nsXPIDLString currProfile;
profileService->GetCurrentProfile(getter_Copies(currProfile));
#else
nsXPIDLString currProfileUnicode;
profileService->GetCurrentProfile(getter_Copies(currProfileUnicode));
nsCAutoString currProfile; currProfile.AssignWithConversion(currProfileUnicode);
#endif
// Now find and select it
INT currentProfileIndex = LB_ERR;
currentProfileIndex = SendMessage(hwndProfileList, LB_FINDSTRINGEXACT, -1, (LPARAM) currProfile.get());
if (currentProfileIndex != LB_ERR)
{
SendMessage(hwndProfileList, LB_SETCURSEL, currentProfileIndex, 0);
}
}
return TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK ||
(HIWORD(wParam) & LBN_DBLCLK && LOWORD(wParam) == IDC_PROFILELIST))
{
HWND hwndProfileList = GetDlgItem(hDlg, IDC_PROFILELIST);
// Get the selected profile from the list box and make it current
INT currentProfileIndex = SendMessage(hwndProfileList, LB_GETCURSEL, 0, 0);
if (currentProfileIndex != LB_ERR)
{
NS_WITH_SERVICE(nsIProfile, profileService, NS_PROFILE_CONTRACTID, &rv);
// Convert TCHAR name to unicode and make it current
INT profileNameLen = SendMessage(hwndProfileList, LB_GETTEXTLEN, currentProfileIndex, 0);
TCHAR *profileName = new TCHAR[profileNameLen + 1];
SendMessage(hwndProfileList, LB_GETTEXT, currentProfileIndex, (LPARAM) profileName);
nsAutoString newProfile; newProfile.AssignWithConversion(profileName);
rv = profileService->SetCurrentProfile(newProfile.GetUnicode());
}
EndDialog(hDlg, IDOK);
}
else if (LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
}
return TRUE;
}
return FALSE;
}
///////////////////////////////////////////////////////////////////////////////
// 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.
//
nativeWindow WebBrowserChromeUI::CreateNativeWindow(nsIWebBrowserChrome* chrome)
{
// Load the browser dialog from resource
HWND hwndDialog;
PRUint32 chromeFlags;
chrome->GetChromeFlags(&chromeFlags);
if ((chromeFlags & nsIWebBrowserChrome::CHROME_ALL) == nsIWebBrowserChrome::CHROME_ALL)
hwndDialog = CreateDialog(ghInstanceResources,
MAKEINTRESOURCE(IDD_BROWSER),
NULL,
BrowserDlgProc);
else
hwndDialog = CreateDialog(ghInstanceResources,
MAKEINTRESOURCE(IDD_BROWSER_NC),
NULL,
BrowserDlgProc);
if (!hwndDialog)
return NULL;
// Stick a menu onto it
if (chromeFlags & nsIWebBrowserChrome::CHROME_MENUBAR) {
HMENU hmenuDlg = LoadMenu(ghInstanceResources, 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);
SetWindowLong(hwndBrowser, GWL_USERDATA, (LONG)chrome); // save the browser LONG_PTR.
SetWindowLong(hwndBrowser, GWL_STYLE, GetWindowLong(hwndBrowser, GWL_STYLE) | WS_CLIPCHILDREN);
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();
chrome->ExitModalEventLoop(NS_OK);
HWND hwndDlg = GetBrowserDlgFromChrome(chrome);
if (hwndDlg == NULL)
return;
// Explicitly destroy the embedded browser and then the chrome
// First the browser
nsCOMPtr<nsIWebBrowser> browser = nsnull;
chrome->GetWebBrowser(getter_AddRefs(browser));
nsCOMPtr<nsIBaseWindow> browserAsWin = do_QueryInterface(browser);
if (browserAsWin)
browserAsWin->Destroy();
// Now the chrome
chrome->SetWebBrowser(nsnull);
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 == NULL)
{
return;
}
// Clear the window user data
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
SetWindowLong(hwndBrowser, GWL_USERDATA, nsnull);
DestroyWindow(hwndBrowser);
DestroyWindow(hwndDlg);
--gDialogCount;
if (gDialogCount == 0)
{
if (gProfileSwitch)
{
gProfileSwitch = FALSE;
OpenWebPage(gFirstURL);
}
else
{
// Quit when there are no more browser objects
PostQuitMessage(0);
}
}
}
//
// FUNCTION: UpdateStatusBarText()
//
// PURPOSE: Set the status bar text.
//
void WebBrowserChromeUI::UpdateStatusBarText(nsIWebBrowserChrome *aChrome, const PRUnichar* aStatusText)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
nsCString status;
if (aStatusText)
status.AssignWithConversion(aStatusText);
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)
{
nsXPIDLCString uriString;
currentURI->GetSpec(getter_Copies(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, PRBool 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, PRInt32 aCurrent, PRInt32 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, PRUint32 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, PRInt32 aXCoords, PRInt32 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, PRBool aShow)
{
HWND win = GetBrowserDlgFromChrome(aChrome);
::ShowWindow(win, aShow ? SW_RESTORE : SW_HIDE);
}
void WebBrowserChromeUI::SizeTo(nsIWebBrowserChrome *aChrome, PRInt32 aWidth, PRInt32 aHeight)
{
HWND win = GetBrowserDlgFromChrome(aChrome);
RECT winRect;
::GetWindowRect(win, &winRect);
::MoveWindow(win, winRect.left, winRect.top, aWidth, aHeight, TRUE);
}
//
// FUNCTION: GetResourceStringByID()
//
// PURPOSE: Get the resource string for the ID
//
void WebBrowserChromeUI::GetResourceStringById(PRInt32 aID, char ** aReturn)
{
char resBuf[MAX_LOADSTRING];
int retval = LoadString( ghInstanceResources, aID, (LPTSTR)resBuf, sizeof(resBuf) );
if (retval != 0)
{
int resLen = strlen(resBuf);
*aReturn = (char *)calloc(resLen+1, sizeof(char *));
if (!*aReturn) return;
PL_strncpy(*aReturn, (char *) resBuf, resLen);
}
return;
}
//-----------------------------------------------------------------------------
// AppCallbacks
//-----------------------------------------------------------------------------
nsresult AppCallbacks::CreateBrowserWindow(PRUint32 aChromeFlags,
nsIWebBrowserChrome *aParent,
nsIWebBrowserChrome **aNewWindow)
{
WebBrowserChrome * chrome = new WebBrowserChrome();
if (!chrome)
return NS_ERROR_FAILURE;
CallQueryInterface(NS_STATIC_CAST(nsIWebBrowserChrome*, chrome), 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(NS_STATIC_CAST(nsIWebBrowserChrome*, chrome));
// Subscribe new window to profile changes so it can kill itself when one happens
nsCOMPtr<nsIObserverService> observerService(do_GetService(NS_OBSERVERSERVICE_CONTRACTID));
if (observerService)
observerService->AddObserver(NS_STATIC_CAST(nsIObserver *, chrome),
NS_LITERAL_STRING("profile-change-teardown").get());
return NS_OK;
}
void AppCallbacks::EnableChromeWindow(nsIWebBrowserChrome *aWindow,
PRBool aEnabled)
{
HWND hwnd = GetBrowserDlgFromChrome(aWindow);
::EnableWindow(hwnd, aEnabled ? TRUE : FALSE);
}
PRUint32 AppCallbacks::RunEventLoop(PRBool &aRunCondition)
{
MSG msg;
HANDLE hFakeEvent = ::CreateEvent(NULL, TRUE, FALSE, NULL);
while (aRunCondition ) {
// Process pending messages
while (::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) {
if (!::GetMessage(&msg, NULL, 0, 0)) {
// WM_QUIT
aRunCondition = PR_FALSE;
break;
}
PRBool wasHandled = PR_FALSE;
::NS_HandleEmbeddingEvent(msg, wasHandled);
if (wasHandled)
continue;
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
// Do idle stuff
::NS_DoIdleEmbeddingStuff();
::MsgWaitForMultipleObjects(1, &hFakeEvent, FALSE, 100, QS_ALLEVENTS);
}
::CloseHandle(hFakeEvent);
return msg.wParam;
}
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