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Mozilla/mozilla/embedding/minimo/wince/winEmbed.cpp
dougt%meer.net 0f8f1761a5 For Minimo CE 0.004: 
Attemping to control Low memory situations.
Setting up a PPC Connection when loading a URL.


git-svn-id: svn://10.0.0.236/trunk@171264 18797224-902f-48f8-a5cc-f745e15eee43
2005-03-28 17:11:49 +00:00

1093 lines
31 KiB
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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 ***** */
#include <stdio.h>
// C RunTime Header Files
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
// Win32 header files
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
#include <aygshell.h>
#include <sipapi.h>
#include <winsock2.h>
#include <initguid.h>
#include <connmgr.h>
// Mozilla header files
#include "nsEmbedAPI.h"
#include "nsIClipboardCommands.h"
#include "nsXPIDLString.h"
#include "nsIWebBrowserPersist.h"
#include "nsIWebBrowserFocus.h"
#include "nsIWindowWatcher.h"
#include "nsIObserverService.h"
#include "nsIObserver.h"
#include "nsIURI.h"
#include "plstr.h"
#include "nsIInterfaceRequestor.h"
#include "nsIEventQueueService.h"
#include "nsDirectoryService.h"
#include "nsDirectoryServiceDefs.h"
#include "nsProfileDirServiceProvider.h"
#include "nsAppDirectoryServiceDefs.h"
// Local header files
#include "winEmbed.h"
#include "WebBrowserChrome.h"
#include "WindowCreator.h"
#include "resource.h"
#ifdef _BUILD_STATIC_BIN
#include "nsStaticComponent.h"
nsresult PR_CALLBACK
app_getModuleInfo(nsStaticModuleInfo **info, PRUint32 *count);
#endif
#define TASKBAR_H 22
// Foward declarations of functions included in this code module:
static BOOL CALLBACK BrowserDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
static BOOL CALLBACK StatusDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
static BOOL CALLBACK HeadsUpDlgProc(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 PRBool gRunCondition = PR_TRUE;
static UINT gDialogCount = 0;
static HINSTANCE ghInstanceApp = NULL;
static BOOL gActive = TRUE;
static BOOL gBusy = TRUE;
static HANDLE gConnectionHandle = NULL;
// minimo/wince/ list of URLs to populate the URL drop down list with
static const TCHAR *gDefaultURLs[] =
{
_T("http://browsertest.web.aol.com/tests/javascript/javascpt/index.htm"),
_T("http://www.cnn.com/"),
_T("http://www.disney.com/"),
_T("http://www.ebay.com/"),
_T("http://www.go.com/"),
_T("http://www.google.com/"),
_T("http://www.hotmail.com/"),
_T("http://www.javasoft.com/")
_T("http://www.mozilla.org/"),
_T("http://www.mozilla.org/quality/browser/standards/html/"),
_T("http://www.netscape.com/"),
_T("http://www.quicken.com/"),
_T("http://www.shockwave.com/"),
_T("http://www.slashdot.org/"),
_T("http://www.travelocity.com/"),
_T("http://www.yahoo.com/"),
};
typedef struct MinimoWindowContext
{
HWND mMainWindow;
HWND mStatusWindow;
HWND mHeadsUpWindow;
} MinimoWindowContext;
PRBool LowOnMemory()
{
MEMORYSTATUS memStats;
memStats.dwLength = sizeof( memStats);
GlobalMemoryStatus( (LPMEMORYSTATUS)&memStats );
if (memStats.dwAvailPhys <= (262144) /*1024*256*/)
return PR_TRUE;
return PR_FALSE;
}
void DoPPCConnection()
{
if (gConnectionHandle)
ConnMgrReleaseConnection(gConnectionHandle,0);
DWORD status;
CONNMGR_CONNECTIONINFO conn_info;
memset(&conn_info, 0, sizeof(CONNMGR_CONNECTIONINFO));
conn_info.cbSize = sizeof(CONNMGR_CONNECTIONINFO);
conn_info.dwParams = CONNMGR_PARAM_GUIDDESTNET;
conn_info.dwPriority = CONNMGR_PRIORITY_USERINTERACTIVE;
conn_info.bExclusive = FALSE;
conn_info.bDisabled = FALSE;
conn_info.guidDestNet= IID_DestNetInternet;
if(ConnMgrEstablishConnectionSync(&conn_info, &gConnectionHandle, 30000, &status) != S_OK)
MessageBox(0, "Could not connect to network", "Error", 0);
if (status != CONNMGR_STATUS_CONNECTED)
MessageBox(0, "Could not connect to network", "Error", 0);
}
int main(int argc, char *argv[])
{
const HWND hWndExistingInstance = FindWindowW(NULL, L"Minimo");
if (hWndExistingInstance)
{
//Notify other instance and exit
SetForegroundWindow (hWndExistingInstance);
return FALSE;
}
ghInstanceApp = GetModuleHandle(NULL);
#ifdef _BUILD_STATIC_BIN
// Initialize XPCOM's module info table
NSGetStaticModuleInfo = app_getModuleInfo;
#endif
// Init Embedding APIs
NS_InitEmbedding(nsnull, nsnull);
// Choose the new profile
if (NS_FAILED(StartupProfile()))
{
NS_TermEmbedding();
return 1;
}
InitializeWindowCreator();
WSADATA wsaData;
WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
DoPPCConnection();
// Open the initial browser window
OpenWebPage("resource://gre/res/start.html");
WPARAM rv = AppCallbacks::RunEventLoop(gRunCondition);
// Close down Embedding APIs
NS_TermEmbedding();
if (gConnectionHandle)
ConnMgrReleaseConnection(gConnectionHandle,0);
WSACleanup();
return rv;
}
/* 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
WindowCreator *creatorCallback = new WindowCreator();
if (creatorCallback)
{
nsCOMPtr<nsIWindowCreator> windowCreator(NS_STATIC_CAST(nsIWindowCreator *, creatorCallback));
if (windowCreator)
{
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
if (wwatch)
{
wwatch->SetWindowCreator(windowCreator);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
void LoadURL(nsIWebNavigation* webNavigation, char* url)
{
if (!gConnectionHandle)
DoPPCConnection();
DWORD status;
ConnMgrConnectionStatus(gConnectionHandle, &status);
if (status != CONNMGR_STATUS_CONNECTED)
DoPPCConnection();
webNavigation->LoadURI(NS_ConvertASCIItoUCS2(url).get(),
nsIWebNavigation::LOAD_FLAGS_NONE,
nsnull,
nsnull,
nsnull);
}
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,
nsnull, 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));
LoadURL(webNav, (char*)url);
return NS_OK;
}
return rv;
}
HWND GetBrowserFromChrome(nsIWebBrowserChrome *aChrome)
{
if (!aChrome)
{
return NULL;
}
nsCOMPtr<nsIEmbeddingSiteWindow> baseWindow = do_QueryInterface(aChrome);
HWND hwnd = NULL;
baseWindow->GetSiteWindow((void **) & hwnd);
return hwnd;
}
HWND GetBrowserDlgFromChrome(nsIWebBrowserChrome *aChrome)
{
return GetParent(GetBrowserFromChrome(aChrome));
}
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;
}
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 (clipCmds)
{
clipCmds->CanCutSelection(&canCutSelection);
clipCmds->CanCopySelection(&canCopySelection);
clipCmds->CanPaste(&canPaste);
}
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
HWND button;
button = GetDlgItem(mwcontext->mStatusWindow, IDC_BACK);
if (button)
EnableWindow(button, canGoBack);
button = GetDlgItem(mwcontext->mStatusWindow, IDC_FORWARD);
if (button)
EnableWindow(button, canGoForward);
}
void LoadURLInURLBar(HWND hwndDlg, nsIWebNavigation* webNavigation)
{
TCHAR szURL[2048];
memset(szURL, 0, sizeof(szURL));
GetDlgItemText(hwndDlg, IDC_ADDRESS, szURL, sizeof(szURL) / sizeof(szURL[0]) - 1);
LoadURL(webNavigation, szURL);
}
BOOL CALLBACK HeadsUpDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
HWND hwndBrowser = GetDlgItem(mwcontext->mMainWindow, 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);
}
switch (uMsg)
{
case WM_INITDIALOG:
{
SetWindowTextW(hwndDlg, L"Headsup Display");
}
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);
}
else if (HIWORD(wParam) == CBN_SELENDOK)
{
HWND hwndAddress = GetDlgItem(hwndDlg, IDC_ADDRESS);
// Find the current selected item and get the item's length.
int t = SendMessage(hwndAddress, CB_GETCURSEL, 0, 0);
int l = SendMessage(hwndAddress, CB_GETLBTEXTLEN, t, 0);
// Get the text
char* buffer = new char[l + 1];
SendMessage(hwndAddress, CB_GETLBTEXT, t, (long) buffer);
// Set the text area so that we can see it
SetDlgItemText(hwndDlg, IDC_ADDRESS, buffer);
delete buffer;
}
break;
case IDC_GO:
{
LoadURLInURLBar(hwndDlg,webNavigation);
::ShowWindow(hwndDlg, SW_HIDE);
}
break;
case IDC_STOP:
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
UpdateUI(chrome);
break;
case IDC_RELOAD:
webNavigation->Reload(nsIWebNavigation::LOAD_FLAGS_NONE);
break;
case IDC_Hide:
{
RECT rect;
::ShowWindow(mwcontext->mHeadsUpWindow, SW_HIDE);
::GetWindowRect(mwcontext->mHeadsUpWindow, &rect);
::InvalidateRect(mwcontext->mMainWindow, &rect, TRUE);
::SetForegroundWindow(mwcontext->mMainWindow);
break;
}
case IDM_EXIT:
PostMessage(hwndDlg, WM_SYSCOMMAND, SC_CLOSE, 0);
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;
}
}
}
return FALSE;
}
static HBRUSH yellowBrush = NULL;
BOOL CALLBACK StatusDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
HWND hwndBrowser = GetDlgItem(mwcontext->mMainWindow, 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);
}
switch (uMsg) {
case WM_INITDIALOG:
{
yellowBrush = CreateSolidBrush(RGB(255,255,204));
SetWindowTextW(hwndDlg, L"Progress");
}
return TRUE;
case WM_CTLCOLORDLG:
return (BOOL) yellowBrush;
case WM_DESTROY:
DeleteObject(yellowBrush);
break;
case WM_COMMAND:
{
switch (LOWORD(wParam))
{
case IDC_STOP:
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
UpdateUI(chrome);
}
}
}
return FALSE;
}
BOOL 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 = 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);
}
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
// Test the message
switch (uMsg)
{
case WM_INITDIALOG:
{
SHINITDLGINFO hidi;
hidi.dwMask = SHIDIM_FLAGS;
hidi.hDlg = hwndDlg;
hidi.dwFlags = SHIDIF_FULLSCREENNOMENUBAR;
SHInitDialog( &hidi );
SetForegroundWindow(hwndDlg);
SHFullScreen(hwndDlg, SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
SetWindowTextW(hwndDlg, L"Minimo");
}
return TRUE;
case WM_SYSCOMMAND:
if (wParam == SC_CLOSE)
{
WebBrowserChromeUI::Destroy(chrome);
return TRUE;
}
break;
case WM_HIBERNATE: /* not sure about this */
// fall through.
case WM_CLOSE:
{
gActive = FALSE;
gRunCondition = FALSE;
DestroyWindow(mwcontext->mStatusWindow);
DestroyWindow(mwcontext->mHeadsUpWindow);
DestroyWindow(mwcontext->mMainWindow);
free((void*) mwcontext);
}
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_ACTIVATE:
{
nsCOMPtr<nsIWebBrowserFocus> focus(do_GetInterface(webBrowser));
switch (wParam)
{
case WA_ACTIVE:
gActive = TRUE;
if (focus)
focus->Activate();
break;
case WA_INACTIVE:
if (focus)
focus->Deactivate();
default:
break;
}
}
return 0;
case WM_SIZE:
return 0; /*If an application processes this message, it should return zero.*/
}
return FALSE;
}
nsresult StartupProfile()
{
nsCOMPtr<nsIFile> appDataDir;
nsresult rv = NS_GetSpecialDirectory(NS_APP_APPLICATION_REGISTRY_DIR, getter_AddRefs(appDataDir));
if (NS_FAILED(rv))
return rv;
appDataDir->Append(NS_LITERAL_STRING("winembed"));
nsCOMPtr<nsILocalFile> localAppDataDir(do_QueryInterface(appDataDir));
nsCOMPtr<nsProfileDirServiceProvider> locProvider;
NS_NewProfileDirServiceProvider(PR_TRUE, getter_AddRefs(locProvider));
if (!locProvider)
return NS_ERROR_FAILURE;
rv = locProvider->Register();
if (NS_FAILED(rv))
return rv;
return locProvider->SetProfileDir(localAppDataDir);
}
void
KillCurrentLoad(nsIWebBrowserChrome* aChrome)
{
nsCOMPtr<nsIWebBrowser> webBrowser;
nsCOMPtr<nsIWebNavigation> webNavigation;
aChrome->GetWebBrowser(getter_AddRefs(webBrowser));
webNavigation = do_QueryInterface(webBrowser);
if (webNavigation)
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
HWND win = GetBrowserDlgFromChrome(aChrome);
MessageBox(win, "Running Low on Memory. Cancelling page load.", "Note", 0);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(win, GWL_USERDATA);
::ShowWindow(mwcontext->mStatusWindow, SW_HIDE);
}
nativeWindow
WebBrowserChromeUI::CreateNativeWindow(nsIWebBrowserChrome* chrome)
{
// Load the browser dialog from resource
HWND hwndDialog;
PRUint32 chromeFlags;
chrome->GetChromeFlags(&chromeFlags);
hwndDialog = CreateDialog(ghInstanceApp,
MAKEINTRESOURCE(IDD_BROWSER),
NULL,
BrowserDlgProc);
if (!hwndDialog)
return NULL;
HWND statusDialog = CreateDialog(ghInstanceApp,
MAKEINTRESOURCE(IDD_STATUS_DISPLAY),
NULL,
StatusDlgProc);
if (!statusDialog) {
MessageBox(0, "statusDialog failed", "error", 0);
return NULL;
}
HWND headsupDialog = CreateDialog(ghInstanceApp,
MAKEINTRESOURCE(IDD_HEADSUP_DISPLAY),
NULL,
HeadsUpDlgProc);
if (!headsupDialog)
{
MessageBox(0, "headsupDialog failed", "error", 0);
return NULL;
}
RECT rtDesktop;
SystemParametersInfo(SPI_GETWORKAREA, 0, &rtDesktop, NULL);
#define STATUS_DIALOG_H 50
#define HEADSUP_DIALOG_H 300
int screenH = GetSystemMetrics(SM_CYSCREEN) - TASKBAR_H;
int screenW = GetSystemMetrics(SM_CXSCREEN) ;
MoveWindow(hwndDialog, 0, 0, screenW, screenH, TRUE);
MoveWindow(headsupDialog, 0, 0, screenW, HEADSUP_DIALOG_H, TRUE);
MoveWindow(statusDialog, 0, 0, screenW, STATUS_DIALOG_H, TRUE);
// Add some interesting URLs to the address drop down
HWND hwndAddress = GetDlgItem(headsupDialog, 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);
MoveWindow(hwndBrowser, 0, 0, screenW, screenH, TRUE);
SetWindowLong(hwndBrowser, GWL_USERDATA, (LONG)chrome); // save the browser LONG_PTR.
SetWindowLong(hwndBrowser, GWL_STYLE, GetWindowLong(hwndBrowser, GWL_STYLE) | WS_CLIPCHILDREN);
MinimoWindowContext *mwcontext = (MinimoWindowContext*) malloc(sizeof(MinimoWindowContext));
mwcontext->mMainWindow = hwndDialog;
mwcontext->mStatusWindow = statusDialog;
mwcontext->mHeadsUpWindow = headsupDialog;
SetWindowLong(hwndDialog, GWL_USERDATA, (LONG)mwcontext);
SetWindowLong(headsupDialog, GWL_USERDATA, (LONG)mwcontext);
SetWindowLong(statusDialog, GWL_USERDATA, (LONG)mwcontext);
// Activate the window
PostMessage(hwndDialog, WM_ACTIVATE, WA_ACTIVE, 0);
::ShowWindow(hwndDialog, SW_SHOW);
gDialogCount++;
return hwndBrowser;
}
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 == 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)
{
// Quit when there are no more browser objects
PostQuitMessage(0);
}
}
void
WebBrowserChromeUI::SetFocus(nsIWebBrowserChrome *chrome)
{
HWND hwndDlg = GetBrowserDlgFromChrome(chrome);
if (hwndDlg == NULL)
{
return;
}
HWND hwndBrowser = GetDlgItem(hwndDlg, IDC_BROWSER);
::SetFocus(hwndBrowser);
}
void
WebBrowserChromeUI::UpdateStatusBarText(nsIWebBrowserChrome *aChrome, const PRUnichar* aStatusText)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
nsCString status;
if (aStatusText)
status.AssignWithConversion(aStatusText);
SetDlgItemText(mwcontext->mStatusWindow, IDC_STATUS, status.get());
if (LowOnMemory())
KillCurrentLoad(aChrome);
}
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)
{
nsCAutoString uriString;
currentURI->GetAsciiSpec(uriString);
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
SetDlgItemText(mwcontext->mHeadsUpWindow, IDC_ADDRESS, uriString.get());
}
}
void
WebBrowserChromeUI::UpdateBusyState(nsIWebBrowserChrome *aChrome, PRBool aBusy)
{
if (LowOnMemory())
KillCurrentLoad(aChrome);
gBusy = aBusy;
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
if (aBusy) {
::ShowWindow(mwcontext->mStatusWindow, SW_SHOW);
::SetForegroundWindow(mwcontext->mStatusWindow);
}
else
{
RECT rect;
::ShowWindow(mwcontext->mStatusWindow, SW_HIDE);
::GetWindowRect(mwcontext->mStatusWindow, &rect);
::InvalidateRect(mwcontext->mMainWindow, &rect, TRUE);
::SetForegroundWindow(mwcontext->mMainWindow);
nsMemory::HeapMinimize(PR_TRUE);
}
HWND button;
button = GetDlgItem(mwcontext->mHeadsUpWindow, IDC_STOP);
if (button)
EnableWindow(button, aBusy);
button = GetDlgItem(mwcontext->mHeadsUpWindow, IDC_GO);
if (button)
EnableWindow(button, !aBusy);
UpdateUI(aChrome);
}
void
WebBrowserChromeUI::UpdateProgress(nsIWebBrowserChrome *aChrome, PRInt32 aCurrent, PRInt32 aMax)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
HWND hwndProgress = GetDlgItem(mwcontext->mStatusWindow, 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);
}
if (LowOnMemory())
KillCurrentLoad(aChrome);
}
void
WebBrowserChromeUI::ShowContextMenu(nsIWebBrowserChrome *aChrome, PRUint32 aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
{
}
void
WebBrowserChromeUI::ShowTooltip(nsIWebBrowserChrome *aChrome, PRInt32 aXCoords, PRInt32 aYCoords, const PRUnichar *aTipText)
{
}
void
WebBrowserChromeUI::HideTooltip(nsIWebBrowserChrome *aChrome)
{
}
void
WebBrowserChromeUI::ShowWindow(nsIWebBrowserChrome *aChrome, PRBool aShow)
{
HWND win = GetBrowserDlgFromChrome(aChrome);
::ShowWindow(win, aShow ? SW_SHOW : SW_HIDE);
}
void WebBrowserChromeUI::SizeTo(nsIWebBrowserChrome *aChrome, PRInt32 aWidth, PRInt32 aHeight)
{
}
boolean
WebBrowserChromeUI::DoubleClick(nsIWebBrowserChrome *aChrome, PRInt32 x, PRInt32 y)
{
HWND hwndDlg = GetBrowserDlgFromChrome(aChrome);
MinimoWindowContext* mwcontext = (MinimoWindowContext*) GetWindowLong(hwndDlg, GWL_USERDATA);
HWND hwndBrowser = GetDlgItem(mwcontext->mMainWindow, 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);
}
// Stop any current load.
webNavigation->Stop(nsIWebNavigation::STOP_ALL);
// Show our heads up display.
::ShowWindow(mwcontext->mHeadsUpWindow, SW_SHOW);
return true;
}
//-----------------------------------------------------------------------------
// AppCallbacks
//-----------------------------------------------------------------------------
nsresult AppCallbacks::CreateBrowserWindow(PRUint32 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(NS_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(NS_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, PR_TRUE);
return NS_OK;
}
void AppCallbacks::EnableChromeWindow(nsIWebBrowserChrome *aWindow,
PRBool aEnabled)
{
HWND hwnd = GetBrowserDlgFromChrome(aWindow);
::EnableWindow(hwnd, aEnabled ? TRUE : FALSE);
}
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
PRUint32 AppCallbacks::RunEventLoop(PRBool &aRunCondition)
{
MSG msg;
HANDLE hFakeEvent = ::CreateEventA(NULL, TRUE, FALSE, NULL);
nsCOMPtr<nsIEventQueue> eventQ;
nsCOMPtr<nsIEventQueueService> eqs = do_GetService(kEventQueueServiceCID);
if (!eqs)
return -1;
eqs->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(eventQ));
while (aRunCondition )
{
// Process pending messages
while (::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
{
if (!::GetMessage(&msg, NULL, 0, 0))
{
aRunCondition = PR_FALSE;
break;
}
eventQ->ProcessPendingEvents();
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
// Do idle stuff
if (gActive)
{
if (!gBusy)
::MsgWaitForMultipleObjects(1, &hFakeEvent, FALSE, 100, QS_ALLEVENTS);
eventQ->ProcessPendingEvents();
}
}
::CloseHandle(hFakeEvent);
return msg.wParam;
}
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