public AutoJSContext()
{
nsIJSRuntimeService runtimeService = (nsIJSRuntimeService)Xpcom.GetService("@mozilla.org/js/xpc/RuntimeService;1");
IntPtr jsRuntime = runtimeService.GetRuntime();
IntPtr cx = JS_NewContext(jsRuntime, 8192);
nsIJSContextStack contextStack = Xpcom.GetService <nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Push(cx);
nsIPrincipal system = Xpcom.GetService <nsIScriptSecurityManager>("@mozilla.org/scriptsecuritymanager;1").GetSystemPrincipal();
IntPtr jsPrincipals = system.GetJSPrincipals(cx);
JSStackFrame frame = new JSStackFrame();
frame.script = JS_CompileScriptForPrincipals(cx, JS_GetGlobalObject(cx), jsPrincipals, "", 0, "", 1);
//NOTE: this code is based on the definition of JSContext from mozilla 1.8 and will not work for other versions
IntPtr old = Marshal.ReadIntPtr(cx, 0x34);
frame.down = old;
IntPtr framePtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(JSStackFrame)));
Marshal.StructureToPtr(frame, framePtr, true);
// cx->fp = framePtr;
Marshal.WriteIntPtr(cx, 0x34, framePtr);
}
static GeckoPreferences()
{
// ensure we're initialized
Xpcom.Initialize();
PrefService = Xpcom.GetService <nsIPrefService>("@mozilla.org/preferences-service;1");
}
public void Dispose()
{
nsIScriptSecurityManager securityManager = Xpcom.GetService <nsIScriptSecurityManager>("@mozilla.org/scriptsecuritymanager;1");
securityManager.PopContextPrincipal(cx);
nsIJSContextStack contextStack = Xpcom.GetService <nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Pop();
JS_EndRequest(cx);
}
public void Dispose()
{
nsIJSContextStack contextStack = Xpcom.GetService<nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Pop();
// free the memory allocated for the fake stack frame
Marshal.FreeHGlobal(Marshal.ReadIntPtr(cx, OfsetOfFP));
// end the request, destroy the context
JS_EndRequest(cx);
JS_DestroyContextNoGC(cx);
}
public void UnregisterStyleSheet(string sheetURI, uint type)
{
nsIIOService ios = Xpcom.GetService <nsIIOService>("@mozilla.org/network/io-service;1");
ios = Xpcom.QueryInterface <nsIIOService>(ios);
nsIURI ssURI = ios.NewURI(new nsAUTF8String(sheetURI), null, null);
if (StyleSheetService.sheetRegistered(ssURI, type))
{
StyleSheetService.unregisterSheet(ssURI, type);
}
}
public bool IsStyleSheetRegistered(string sheetURI, uint type)
{
nsIIOService ios = Xpcom.GetService <nsIIOService>("@mozilla.org/network/io-service;1");
ios = Xpcom.QueryInterface <nsIIOService>(ios);
nsIURI ssURI = ios.NewURI(new nsAUTF8String(sheetURI), null, null);
if (!StyleSheetService.sheetRegistered(ssURI, type))
{
return(false);
}
return(true);
}
public AutoJSContext()
{
var jsContextStack = Xpcom.GetService <nsIThreadJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
cx = jsContextStack.GetSafeJSContextAttribute();
// begin a new request
JS_BeginRequest(cx);
// push the context onto the context stack
nsIJSContextStack contextStack = Xpcom.GetService <nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Push(cx);
// obtain the system principal (no security checks)
nsIScriptSecurityManager securityManager = Xpcom.GetService <nsIScriptSecurityManager>("@mozilla.org/scriptsecuritymanager;1");
nsIPrincipal system = securityManager.GetSystemPrincipal();
IntPtr jsPrincipals = system.GetJSPrincipals(cx);
securityManager.PushContextPrincipal(cx, IntPtr.Zero, system);
}
public AutoJSContext()
{
// obtain the JS runtime used by gecko
nsIJSRuntimeService runtimeService = (nsIJSRuntimeService)Xpcom.GetService("@mozilla.org/js/xpc/RuntimeService;1");
IntPtr jsRuntime = runtimeService.GetRuntimeAttribute();
// create a new JSContext
cx = JS_NewContext(jsRuntime, 8192);
// begin a new request
JS_BeginRequest(cx);
// push the context onto the context stack
nsIJSContextStack contextStack = Xpcom.GetService <nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Push(cx);
// obtain the system principal (no security checks) which we will use when compiling the empty script below
nsIPrincipal system = Xpcom.GetService <nsIScriptSecurityManager>("@mozilla.org/scriptsecuritymanager;1").GetSystemPrincipal();
IntPtr jsPrincipals = system.GetJSPrincipals(cx);
// create a fake stack frame
JSStackFrame frame = new JSStackFrame();
frame.script = JS_CompileScriptForPrincipals(cx, JS_GetGlobalObject(cx), jsPrincipals, "", 0, "", 1);
// put a pointer to the fake stack frame on the JSContext
// frame.down = cx->fp
IntPtr old = Marshal.ReadIntPtr(cx, OfsetOfFP);
frame.down = old;
IntPtr framePtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(JSStackFrame)));
Marshal.StructureToPtr(frame, framePtr, true);
// cx->fp = framePtr;
Marshal.WriteIntPtr(cx, OfsetOfFP, framePtr);
}
public CookieManager()
{
var manager = Xpcom.GetService <nsICookieManager2>("@mozilla.org/cookiemanager;1");
_cookieManager = Xpcom.QueryInterface <nsICookieManager2>(manager);
}
public void Dispose()
{
nsIJSContextStack contextStack = Xpcom.GetService <nsIJSContextStack>("@mozilla.org/js/xpc/ContextStack;1");
contextStack.Pop();
}
public GeckoStyleSheetService()
{
StyleSheetService = Xpcom.GetService <nsIStyleSheetService>("@mozilla.org/content/style-sheet-service;1");
StyleSheetService = Xpcom.QueryInterface <nsIStyleSheetService>(StyleSheetService);
}
