gecko/toolkit/components/alerts/nsAlertsService.cpp
2012-05-21 12:12:37 +01:00

206 lines
7.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/ContentChild.h"
#include "nsXULAppAPI.h"
#include "nsAlertsService.h"
#ifdef ANDROID
#include "AndroidBridge.h"
#else
#include "nsISupportsArray.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
#include "nsIServiceManager.h"
#include "nsIDOMWindow.h"
#include "nsIWindowWatcher.h"
#include "nsPromiseFlatString.h"
#include "nsToolkitCompsCID.h"
#include "mozilla/LookAndFeel.h"
#define ALERT_CHROME_URL "chrome://global/content/alerts/alert.xul"
#endif // !ANDROID
using namespace mozilla;
using mozilla::dom::ContentChild;
NS_IMPL_THREADSAFE_ISUPPORTS2(nsAlertsService, nsIAlertsService, nsIAlertsProgressListener)
nsAlertsService::nsAlertsService()
{
}
nsAlertsService::~nsAlertsService()
{}
bool nsAlertsService::ShouldShowAlert()
{
bool result = true;
#ifdef XP_WIN
HMODULE shellDLL = ::LoadLibraryW(L"shell32.dll");
if (!shellDLL)
return result;
SHQueryUserNotificationStatePtr pSHQueryUserNotificationState =
(SHQueryUserNotificationStatePtr) ::GetProcAddress(shellDLL, "SHQueryUserNotificationState");
if (pSHQueryUserNotificationState) {
MOZ_QUERY_USER_NOTIFICATION_STATE qstate;
if (SUCCEEDED(pSHQueryUserNotificationState(&qstate))) {
if (qstate != QUNS_ACCEPTS_NOTIFICATIONS) {
result = false;
}
}
}
::FreeLibrary(shellDLL);
#endif
return result;
}
NS_IMETHODIMP nsAlertsService::ShowAlertNotification(const nsAString & aImageUrl, const nsAString & aAlertTitle,
const nsAString & aAlertText, bool aAlertTextClickable,
const nsAString & aAlertCookie,
nsIObserver * aAlertListener,
const nsAString & aAlertName)
{
if (XRE_GetProcessType() == GeckoProcessType_Content) {
ContentChild* cpc = ContentChild::GetSingleton();
if (aAlertListener)
cpc->AddRemoteAlertObserver(PromiseFlatString(aAlertCookie), aAlertListener);
cpc->SendShowAlertNotification(nsAutoString(aImageUrl),
nsAutoString(aAlertTitle),
nsAutoString(aAlertText),
aAlertTextClickable,
nsAutoString(aAlertCookie),
nsAutoString(aAlertName));
return NS_OK;
}
#ifdef ANDROID
mozilla::AndroidBridge::Bridge()->ShowAlertNotification(aImageUrl, aAlertTitle, aAlertText, aAlertCookie,
aAlertListener, aAlertName);
return NS_OK;
#else
// Check if there is an optional service that handles system-level notifications
nsCOMPtr<nsIAlertsService> sysAlerts(do_GetService(NS_SYSTEMALERTSERVICE_CONTRACTID));
nsresult rv;
if (sysAlerts) {
rv = sysAlerts->ShowAlertNotification(aImageUrl, aAlertTitle, aAlertText, aAlertTextClickable,
aAlertCookie, aAlertListener, aAlertName);
if (NS_SUCCEEDED(rv))
return rv;
}
if (!ShouldShowAlert()) {
// Do not display the alert. Instead call alertfinished and get out.
if (aAlertListener)
aAlertListener->Observe(NULL, "alertfinished", PromiseFlatString(aAlertCookie).get());
return NS_OK;
}
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
nsCOMPtr<nsIDOMWindow> newWindow;
nsCOMPtr<nsISupportsArray> argsArray;
rv = NS_NewISupportsArray(getter_AddRefs(argsArray));
NS_ENSURE_SUCCESS(rv, rv);
// create scriptable versions of our strings that we can store in our nsISupportsArray....
nsCOMPtr<nsISupportsString> scriptableImageUrl (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
NS_ENSURE_TRUE(scriptableImageUrl, NS_ERROR_FAILURE);
scriptableImageUrl->SetData(aImageUrl);
rv = argsArray->AppendElement(scriptableImageUrl);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsString> scriptableAlertTitle (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
NS_ENSURE_TRUE(scriptableAlertTitle, NS_ERROR_FAILURE);
scriptableAlertTitle->SetData(aAlertTitle);
rv = argsArray->AppendElement(scriptableAlertTitle);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsString> scriptableAlertText (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
NS_ENSURE_TRUE(scriptableAlertText, NS_ERROR_FAILURE);
scriptableAlertText->SetData(aAlertText);
rv = argsArray->AppendElement(scriptableAlertText);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsPRBool> scriptableIsClickable (do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID));
NS_ENSURE_TRUE(scriptableIsClickable, NS_ERROR_FAILURE);
scriptableIsClickable->SetData(aAlertTextClickable);
rv = argsArray->AppendElement(scriptableIsClickable);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsString> scriptableAlertCookie (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
NS_ENSURE_TRUE(scriptableAlertCookie, NS_ERROR_FAILURE);
scriptableAlertCookie->SetData(aAlertCookie);
rv = argsArray->AppendElement(scriptableAlertCookie);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupportsPRInt32> scriptableOrigin (do_CreateInstance(NS_SUPPORTS_PRINT32_CONTRACTID));
NS_ENSURE_TRUE(scriptableOrigin, NS_ERROR_FAILURE);
PRInt32 origin =
LookAndFeel::GetInt(LookAndFeel::eIntID_AlertNotificationOrigin);
scriptableOrigin->SetData(origin);
rv = argsArray->AppendElement(scriptableOrigin);
NS_ENSURE_SUCCESS(rv, rv);
if (aAlertListener)
{
nsCOMPtr<nsISupportsInterfacePointer> ifptr = do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupports> iSupports (do_QueryInterface(aAlertListener));
ifptr->SetData(iSupports);
ifptr->SetDataIID(&NS_GET_IID(nsIObserver));
rv = argsArray->AppendElement(ifptr);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = wwatch->OpenWindow(0, ALERT_CHROME_URL, "_blank",
"chrome,dialog=yes,titlebar=no,popup=yes", argsArray,
getter_AddRefs(newWindow));
return rv;
#endif // !ANDROID
}
NS_IMETHODIMP nsAlertsService::OnProgress(const nsAString & aAlertName,
PRInt64 aProgress,
PRInt64 aProgressMax,
const nsAString & aAlertText)
{
#ifdef ANDROID
mozilla::AndroidBridge::Bridge()->AlertsProgressListener_OnProgress(aAlertName, aProgress, aProgressMax, aAlertText);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif // !ANDROID
}
NS_IMETHODIMP nsAlertsService::OnCancel(const nsAString & aAlertName)
{
#ifdef ANDROID
mozilla::AndroidBridge::Bridge()->AlertsProgressListener_OnCancel(aAlertName);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif // !ANDROID
}