michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsXULAlerts.h"
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "mozilla/LookAndFeel.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsISupportsArray.h"
michael@0: #include "nsISupportsPrimitives.h"
michael@0: #include "nsPIDOMWindow.h"
michael@0: #include "nsIWindowWatcher.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: #define ALERT_CHROME_URL "chrome://global/content/alerts/alert.xul"
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsXULAlertObserver, nsIObserver)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsXULAlertObserver::Observe(nsISupports* aSubject, const char* aTopic,
michael@0:                             const char16_t* aData)
michael@0: {
michael@0:   if (!strcmp("alertfinished", aTopic)) {
michael@0:     nsIDOMWindow* currentAlert = mXULAlerts->mNamedWindows.GetWeak(mAlertName);
michael@0:     // The window in mNamedWindows might be a replacement, thus it should only
michael@0:     // be removed if it is the same window that is associated with this listener.
michael@0:     if (currentAlert == mAlertWindow) {
michael@0:       mXULAlerts->mNamedWindows.Remove(mAlertName);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   nsresult rv = NS_OK;
michael@0:   if (mObserver) {
michael@0:     rv = mObserver->Observe(aSubject, aTopic, aData);
michael@0:   }
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsXULAlerts::ShowAlertNotification(const nsAString& aImageUrl, const nsAString& aAlertTitle,
michael@0:                                    const nsAString& aAlertText, bool aAlertTextClickable,
michael@0:                                    const nsAString& aAlertCookie, nsIObserver* aAlertListener,
michael@0:                                    const nsAString& aAlertName, const nsAString& aBidi,
michael@0:                                    const nsAString& aLang)
michael@0: {
michael@0:   nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
michael@0: 
michael@0:   nsCOMPtr<nsISupportsArray> argsArray;
michael@0:   nsresult rv = NS_NewISupportsArray(getter_AddRefs(argsArray));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // create scriptable versions of our strings that we can store in our nsISupportsArray....
michael@0:   nsCOMPtr<nsISupportsString> scriptableImageUrl (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableImageUrl, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableImageUrl->SetData(aImageUrl);
michael@0:   rv = argsArray->AppendElement(scriptableImageUrl);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsString> scriptableAlertTitle (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableAlertTitle, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableAlertTitle->SetData(aAlertTitle);
michael@0:   rv = argsArray->AppendElement(scriptableAlertTitle);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsString> scriptableAlertText (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableAlertText, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableAlertText->SetData(aAlertText);
michael@0:   rv = argsArray->AppendElement(scriptableAlertText);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsPRBool> scriptableIsClickable (do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableIsClickable, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableIsClickable->SetData(aAlertTextClickable);
michael@0:   rv = argsArray->AppendElement(scriptableIsClickable);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsString> scriptableAlertCookie (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableAlertCookie, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableAlertCookie->SetData(aAlertCookie);
michael@0:   rv = argsArray->AppendElement(scriptableAlertCookie);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsPRInt32> scriptableOrigin (do_CreateInstance(NS_SUPPORTS_PRINT32_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableOrigin, NS_ERROR_FAILURE);
michael@0: 
michael@0:   int32_t origin =
michael@0:     LookAndFeel::GetInt(LookAndFeel::eIntID_AlertNotificationOrigin);
michael@0:   scriptableOrigin->SetData(origin);
michael@0: 
michael@0:   rv = argsArray->AppendElement(scriptableOrigin);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsString> scriptableBidi (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableBidi, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableBidi->SetData(aBidi);
michael@0:   rv = argsArray->AppendElement(scriptableBidi);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsISupportsString> scriptableLang (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:   NS_ENSURE_TRUE(scriptableLang, NS_ERROR_FAILURE);
michael@0: 
michael@0:   scriptableLang->SetData(aLang);
michael@0:   rv = argsArray->AppendElement(scriptableLang);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // Alerts with the same name should replace the old alert in the same position.
michael@0:   // Provide the new alert window with a pointer to the replaced window so that
michael@0:   // it may take the same position.
michael@0:   nsCOMPtr<nsISupportsInterfacePointer> replacedWindow = do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv);
michael@0:   NS_ENSURE_TRUE(replacedWindow, NS_ERROR_FAILURE);
michael@0:   nsIDOMWindow* previousAlert = mNamedWindows.GetWeak(aAlertName);
michael@0:   replacedWindow->SetData(previousAlert);
michael@0:   replacedWindow->SetDataIID(&NS_GET_IID(nsIDOMWindow));
michael@0:   rv = argsArray->AppendElement(replacedWindow);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // Add an observer (that wraps aAlertListener) to remove the window from
michael@0:   // mNamedWindows when it is closed.
michael@0:   nsCOMPtr<nsISupportsInterfacePointer> ifptr = do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:   nsRefPtr<nsXULAlertObserver> alertObserver = new nsXULAlertObserver(this, aAlertName, aAlertListener);
michael@0:   nsCOMPtr<nsISupports> iSupports(do_QueryInterface(alertObserver));
michael@0:   ifptr->SetData(iSupports);
michael@0:   ifptr->SetDataIID(&NS_GET_IID(nsIObserver));
michael@0:   rv = argsArray->AppendElement(ifptr);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsCOMPtr<nsIDOMWindow> newWindow;
michael@0:   rv = wwatch->OpenWindow(0, ALERT_CHROME_URL, "_blank",
michael@0:                           "chrome,dialog=yes,titlebar=no,popup=yes", argsArray,
michael@0:                           getter_AddRefs(newWindow));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   mNamedWindows.Put(aAlertName, newWindow);
michael@0:   alertObserver->SetAlertWindow(newWindow);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsXULAlerts::CloseAlert(const nsAString& aAlertName)
michael@0: {
michael@0:   nsIDOMWindow* alert = mNamedWindows.GetWeak(aAlertName);
michael@0:   nsCOMPtr<nsPIDOMWindow> domWindow = do_QueryInterface(alert);
michael@0:   if (domWindow) {
michael@0:     domWindow->DispatchCustomEvent("XULAlertClose");
michael@0:   }
michael@0:   return NS_OK;
michael@0: }
michael@0: