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gecko-dev/widget/windows/ToastNotificationHandler.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sts=2 sw=2 et cin: */
/* 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 "ToastNotificationHandler.h"
#include <windows.foundation.h>
#include "gfxUtils.h"
#include "imgIContainer.h"
#include "imgIRequest.h"
#include "mozilla/gfx/2D.h"
#ifdef MOZ_BACKGROUNDTASKS
# include "mozilla/BackgroundTasks.h"
#endif
#include "mozilla/HashFunctions.h"
#include "mozilla/Result.h"
#include "mozilla/Logging.h"
#include "mozilla/Tokenizer.h"
#include "mozilla/WindowsVersion.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsAppRunner.h"
#include "nsDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "nsIDUtils.h"
#include "nsIStringBundle.h"
#include "nsIToolkitProfile.h"
#include "nsIToolkitProfileService.h"
#include "nsIURI.h"
#include "nsIWidget.h"
#include "nsIWindowMediator.h"
#include "nsNetUtil.h"
#include "nsPIDOMWindow.h"
#include "nsProxyRelease.h"
#include "nsXREDirProvider.h"
#include "ToastNotificationHeaderOnlyUtils.h"
#include "WidgetUtils.h"
#include "WinUtils.h"
#include "ToastNotification.h"
namespace mozilla {
namespace widget {
extern LazyLogModule sWASLog;
using namespace ABI::Windows::Data::Xml::Dom;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::UI::Notifications;
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace toastnotification;
// Needed to disambiguate internal and Windows `ToastNotification` classes.
using WinToastNotification = ABI::Windows::UI::Notifications::ToastNotification;
using ToastActivationHandler =
ITypedEventHandler<WinToastNotification*, IInspectable*>;
using ToastDismissedHandler =
ITypedEventHandler<WinToastNotification*, ToastDismissedEventArgs*>;
using ToastFailedHandler =
ITypedEventHandler<WinToastNotification*, ToastFailedEventArgs*>;
using IVectorView_ToastNotification =
Collections::IVectorView<WinToastNotification*>;
NS_IMPL_ISUPPORTS(ToastNotificationHandler, nsIAlertNotificationImageListener)
static bool SetNodeValueString(const nsString& aString, IXmlNode* node,
IXmlDocument* xml) {
ComPtr<IXmlText> inputText;
HRESULT hr;
hr = xml->CreateTextNode(HStringReference(aString.get()).Get(), &inputText);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
ComPtr<IXmlNode> inputTextNode;
hr = inputText.As(&inputTextNode);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
ComPtr<IXmlNode> appendedChild;
hr = node->AppendChild(inputTextNode.Get(), &appendedChild);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
return true;
}
static bool SetAttribute(ComPtr<IXmlElement>& element,
const HStringReference& name, const nsAString& value) {
HString valueStr;
valueStr.Set(PromiseFlatString(value).get());
HRESULT hr = element->SetAttribute(name.Get(), valueStr.Get());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
return true;
}
static bool AddActionNode(ComPtr<IXmlDocument>& toastXml,
ComPtr<IXmlNode>& actionsNode,
const nsAString& actionTitle,
const nsAString& launchArg,
const nsAString& actionArgs,
const nsAString& actionPlacement = u""_ns,
const nsAString& activationType = u""_ns) {
ComPtr<IXmlElement> action;
HRESULT hr =
toastXml->CreateElement(HStringReference(L"action").Get(), &action);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
bool success =
SetAttribute(action, HStringReference(L"content"), actionTitle);
NS_ENSURE_TRUE(success, false);
// Action arguments overwrite the toast's launch arguments, so we need to
// prepend the launch arguments necessary for the Notification Server to
// reconstruct the toast's origin.
//
// Web Notification actions are arbitrary strings; to prevent breaking launch
// argument parsing the action argument must be last. All delimiters after
// `action` are part of the action arugment.
nsAutoString args = launchArg + u"\n"_ns +
nsDependentString(kLaunchArgAction) + u"\n"_ns +
actionArgs;
success = SetAttribute(action, HStringReference(L"arguments"), args);
NS_ENSURE_TRUE(success, false);
if (!actionPlacement.IsEmpty()) {
success =
SetAttribute(action, HStringReference(L"placement"), actionPlacement);
NS_ENSURE_TRUE(success, false);
}
if (!activationType.IsEmpty()) {
success = SetAttribute(action, HStringReference(L"activationType"),
activationType);
NS_ENSURE_TRUE(success, false);
// No special argument handling: when `activationType="system"`, `action` is
// a Windows-specific keyword, generally "dismiss" or "snooze".
success = SetAttribute(action, HStringReference(L"arguments"), actionArgs);
NS_ENSURE_TRUE(success, false);
}
// Add <action> to <actions>
ComPtr<IXmlNode> actionNode;
hr = action.As(&actionNode);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
ComPtr<IXmlNode> appendedChild;
hr = actionsNode->AppendChild(actionNode.Get(), &appendedChild);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
return true;
}
nsresult ToastNotificationHandler::GetWindowsTag(nsAString& aWindowsTag) {
aWindowsTag.Assign(mWindowsTag);
return NS_OK;
}
nsresult ToastNotificationHandler::SetWindowsTag(const nsAString& aWindowsTag) {
mWindowsTag.Assign(aWindowsTag);
return NS_OK;
}
// clang - format off
/* Populate the launch argument so the COM server can reconstruct the toast
* origin.
*
* program
* {MOZ_APP_NAME}
* profile
* {path to profile}
*/
// clang-format on
Result<nsString, nsresult> ToastNotificationHandler::GetLaunchArgument() {
nsString launchArg;
// When the preference is false, the COM notification server will be invoked,
// discover that there is no `program`, and exit (successfully), after which
// Windows will invoke the in-product Windows 8-style callbacks. When true,
// the COM notification server will launch Firefox with sufficient arguments
// for Firefox to handle the notification.
if (!Preferences::GetBool(
"alerts.useSystemBackend.windows.notificationserver.enabled",
false)) {
// Include dummy key/value so that newline appended arguments aren't off by
// one line.
launchArg += u"invalid key\ninvalid value"_ns;
return launchArg;
}
// `program` argument.
launchArg += nsDependentString(kLaunchArgProgram) + u"\n"_ns MOZ_APP_NAME;
// `profile` argument.
nsCOMPtr<nsIFile> profDir;
bool wantCurrentProfile = true;
#ifdef MOZ_BACKGROUNDTASKS
if (BackgroundTasks::IsBackgroundTaskMode()) {
// Notifications popped from a background task want to invoke Firefox with a
// different profile -- the default browsing profile. We'd prefer to not
// specify a profile, so that the Firefox invoked by the notification server
// chooses its default profile, but this might pop the profile chooser in
// some configurations.
wantCurrentProfile = false;
nsCOMPtr<nsIToolkitProfileService> profileSvc =
do_GetService(NS_PROFILESERVICE_CONTRACTID);
if (profileSvc) {
nsCOMPtr<nsIToolkitProfile> defaultProfile;
nsresult rv =
profileSvc->GetDefaultProfile(getter_AddRefs(defaultProfile));
if (NS_SUCCEEDED(rv) && defaultProfile) {
// Not all installations have a default profile. But if one is set,
// then it should have a profile directory.
MOZ_TRY(defaultProfile->GetRootDir(getter_AddRefs(profDir)));
}
}
}
#endif
if (wantCurrentProfile) {
MOZ_TRY(NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profDir)));
}
if (profDir) {
nsAutoString profilePath;
MOZ_TRY(profDir->GetPath(profilePath));
launchArg += u"\n"_ns + nsDependentString(kLaunchArgProfile) + u"\n"_ns +
profilePath;
}
if (!mLaunchUrl.IsEmpty()) {
launchArg +=
u"\n"_ns + nsDependentString(kLaunchArgUrl) + u"\n"_ns + mLaunchUrl;
} else if (!mHostPort.IsEmpty()) {
// Fall back to the origin domain if no explicit launch url is provided.
launchArg +=
u"\n"_ns + nsDependentString(kLaunchArgUrl) + u"\n"_ns + mHostPort;
}
if (mIsSystemPrincipal && !mName.IsEmpty()) {
// Privileged alerts include any provided name for metrics.
launchArg += u"\n"_ns + nsDependentString(kLaunchArgPrivilegedName) +
u"\n"_ns + mName;
}
// `windowsTag` argument.
launchArg +=
u"\n"_ns + nsDependentString(kLaunchArgTag) + u"\n"_ns + mWindowsTag;
// `logging` argument.
if (Preferences::GetBool(
"alerts.useSystemBackend.windows.notificationserver.verbose",
false)) {
// Signal notification to log verbose messages.
launchArg +=
u"\n"_ns + nsDependentString(kLaunchArgLogging) + u"\nverbose"_ns;
}
return launchArg;
}
static ComPtr<IToastNotificationManagerStatics>
GetToastNotificationManagerStatics() {
ComPtr<IToastNotificationManagerStatics> toastNotificationManagerStatics;
HRESULT hr = GetActivationFactory(
HStringReference(
RuntimeClass_Windows_UI_Notifications_ToastNotificationManager)
.Get(),
&toastNotificationManagerStatics);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
return toastNotificationManagerStatics;
}
ToastNotificationHandler::~ToastNotificationHandler() {
if (mImageRequest) {
mImageRequest->Cancel(NS_BINDING_ABORTED);
mImageRequest = nullptr;
}
if (mHasImage && mImageFile) {
DebugOnly<nsresult> rv = mImageFile->Remove(false);
NS_ASSERTION(NS_SUCCEEDED(rv), "Cannot remove temporary image file");
}
UnregisterHandler();
}
void ToastNotificationHandler::UnregisterHandler() {
if (mNotification) {
mNotification->remove_Dismissed(mDismissedToken);
mNotification->remove_Activated(mActivatedToken);
mNotification->remove_Failed(mFailedToken);
}
mNotification = nullptr;
mNotifier = nullptr;
SendFinished();
}
nsresult ToastNotificationHandler::InitAlertAsync(
nsIAlertNotification* aAlert) {
MOZ_TRY(InitWindowsTag());
return aAlert->LoadImage(/* aTimeout = */ 0, this, /* aUserData = */ nullptr,
getter_AddRefs(mImageRequest));
}
// Uniquely identify this toast to Windows. Existing names and cookies are not
// suitable: we want something generated and unique. This is needed to check if
// toast is still present in the Windows Action Center when we receive a dismiss
// timeout.
//
// Local testing reveals that the space of tags is not global but instead is per
// AUMID. Since an installation uses a unique AUMID incorporating the install
// directory hash, it should not witness another installation's tag.
nsresult ToastNotificationHandler::InitWindowsTag() {
mWindowsTag.Truncate();
nsAutoString tag;
// Multiple profiles might overwrite each other's toast messages when a
// common name is used for a given host port. We prevent this by including
// the profile directory as part of the toast hash.
nsCOMPtr<nsIFile> profDir;
MOZ_TRY(NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profDir)));
MOZ_TRY(profDir->GetPath(tag));
if (!mHostPort.IsEmpty()) {
// Notification originated from a web notification.
// `mName` will be in the form `{mHostPort}#tag:{tag}` if the notification
// was created with a tag and `{mHostPort}#notag:{uuid}` otherwise.
tag += mName;
} else {
// Notification originated from the browser chrome.
if (!mName.IsEmpty()) {
tag += u"chrome#tag:"_ns;
// Browser chrome notifications don't follow any convention for naming.
tag += mName;
} else {
// No associated name, append a UUID to prevent reuse of the same tag.
nsIDToCString uuidString(nsID::GenerateUUID());
size_t len = strlen(uuidString.get());
MOZ_ASSERT(len == NSID_LENGTH - 1);
nsAutoString uuid;
CopyASCIItoUTF16(nsDependentCSubstring(uuidString.get(), len), uuid);
tag += u"chrome#notag:"_ns;
tag += uuid;
}
}
// Windows notification tags are limited to 16 characters, or 64 characters
// after the Creators Update; therefore we hash the tag to fit the minimum
// range.
HashNumber hash = HashString(tag);
mWindowsTag.AppendPrintf("%010u", hash);
return NS_OK;
}
ComPtr<IXmlDocument> ToastNotificationHandler::CreateToastXmlDocument() {
ComPtr<IToastNotificationManagerStatics> toastNotificationManagerStatics =
GetToastNotificationManagerStatics();
NS_ENSURE_TRUE(toastNotificationManagerStatics, nullptr);
ToastTemplateType toastTemplate;
if (mHostPort.IsEmpty()) {
toastTemplate =
mHasImage ? ToastTemplateType::ToastTemplateType_ToastImageAndText03
: ToastTemplateType::ToastTemplateType_ToastText03;
} else {
toastTemplate =
mHasImage ? ToastTemplateType::ToastTemplateType_ToastImageAndText04
: ToastTemplateType::ToastTemplateType_ToastText04;
}
ComPtr<IXmlDocument> toastXml;
toastNotificationManagerStatics->GetTemplateContent(toastTemplate, &toastXml);
if (!toastXml) {
return nullptr;
}
nsresult ns;
HRESULT hr;
bool success;
if (mHasImage) {
ComPtr<IXmlNodeList> toastImageElements;
hr = toastXml->GetElementsByTagName(HStringReference(L"image").Get(),
&toastImageElements);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> imageNode;
hr = toastImageElements->Item(0, &imageNode);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlElement> image;
hr = imageNode.As(&image);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
success = SetAttribute(image, HStringReference(L"src"), mImageUri);
NS_ENSURE_TRUE(success, nullptr);
}
ComPtr<IXmlNodeList> toastTextElements;
hr = toastXml->GetElementsByTagName(HStringReference(L"text").Get(),
&toastTextElements);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> titleTextNodeRoot;
hr = toastTextElements->Item(0, &titleTextNodeRoot);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> msgTextNodeRoot;
hr = toastTextElements->Item(1, &msgTextNodeRoot);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
success = SetNodeValueString(mTitle, titleTextNodeRoot.Get(), toastXml.Get());
NS_ENSURE_TRUE(success, nullptr);
success = SetNodeValueString(mMsg, msgTextNodeRoot.Get(), toastXml.Get());
NS_ENSURE_TRUE(success, nullptr);
ComPtr<IXmlNodeList> toastElements;
hr = toastXml->GetElementsByTagName(HStringReference(L"toast").Get(),
&toastElements);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> toastNodeRoot;
hr = toastElements->Item(0, &toastNodeRoot);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlElement> toastElement;
hr = toastNodeRoot.As(&toastElement);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
if (mRequireInteraction) {
success = SetAttribute(toastElement, HStringReference(L"scenario"),
u"reminder"_ns);
NS_ENSURE_TRUE(success, nullptr);
}
auto maybeLaunchArg = GetLaunchArgument();
NS_ENSURE_TRUE(maybeLaunchArg.isOk(), nullptr);
nsString launchArg = maybeLaunchArg.unwrap();
success = SetAttribute(toastElement, HStringReference(L"launch"), launchArg);
NS_ENSURE_TRUE(success, nullptr);
MOZ_LOG(sWASLog, LogLevel::Debug,
("launchArg: '%s'", NS_ConvertUTF16toUTF8(launchArg).get()));
// On modern Windows (10+), use newer toast layout, which makes images larger,
// for system (chrome-privileged) toasts.
if (IsWin10OrLater() && mIsSystemPrincipal) {
ComPtr<IXmlNodeList> bindingElements;
hr = toastXml->GetElementsByTagName(HStringReference(L"binding").Get(),
&bindingElements);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> bindingNodeRoot;
hr = bindingElements->Item(0, &bindingNodeRoot);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlElement> bindingElement;
hr = bindingNodeRoot.As(&bindingElement);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
success = SetAttribute(bindingElement, HStringReference(L"template"),
u"ToastGeneric"_ns);
NS_ENSURE_TRUE(success, nullptr);
}
ComPtr<IXmlElement> actions;
hr = toastXml->CreateElement(HStringReference(L"actions").Get(), &actions);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IXmlNode> actionsNode;
hr = actions.As(&actionsNode);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
nsCOMPtr<nsIStringBundleService> sbs =
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
NS_ENSURE_TRUE(sbs, nullptr);
nsCOMPtr<nsIStringBundle> bundle;
sbs->CreateBundle("chrome://alerts/locale/alert.properties",
getter_AddRefs(bundle));
NS_ENSURE_TRUE(bundle, nullptr);
if (!mHostPort.IsEmpty()) {
AutoTArray<nsString, 1> formatStrings = {mHostPort};
ComPtr<IXmlNode> urlTextNodeRoot;
hr = toastTextElements->Item(2, &urlTextNodeRoot);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
nsAutoString urlReference;
bundle->FormatStringFromName("source.label", formatStrings, urlReference);
success =
SetNodeValueString(urlReference, urlTextNodeRoot.Get(), toastXml.Get());
NS_ENSURE_TRUE(success, nullptr);
if (IsWin10AnniversaryUpdateOrLater()) {
ComPtr<IXmlElement> placementText;
hr = urlTextNodeRoot.As(&placementText);
if (SUCCEEDED(hr)) {
// placement is supported on Windows 10 Anniversary Update or later
SetAttribute(placementText, HStringReference(L"placement"),
u"attribution"_ns);
}
}
nsAutoString disableButtonTitle;
ns = bundle->FormatStringFromName("webActions.disableForOrigin.label",
formatStrings, disableButtonTitle);
NS_ENSURE_SUCCESS(ns, nullptr);
AddActionNode(toastXml, actionsNode, disableButtonTitle, launchArg,
u"snooze"_ns, u"contextmenu"_ns);
}
bool wantSettings = true;
#ifdef MOZ_BACKGROUNDTASKS
if (BackgroundTasks::IsBackgroundTaskMode()) {
// Notifications popped from a background task want to invoke Firefox with a
// different profile -- the default browsing profile. Don't link to Firefox
// settings in some different profile: the relevant Firefox settings won't
// take effect.
wantSettings = false;
}
#endif
if (MOZ_LIKELY(wantSettings)) {
nsAutoString settingsButtonTitle;
bundle->GetStringFromName("webActions.settings.label", settingsButtonTitle);
success = AddActionNode(toastXml, actionsNode, settingsButtonTitle,
launchArg, u"settings"_ns, u"contextmenu"_ns);
NS_ENSURE_TRUE(success, nullptr);
}
for (const auto& action : mActions) {
// Bug 1778596: include per-action icon from image URL.
nsString title;
ns = action->GetTitle(title);
NS_ENSURE_SUCCESS(ns, nullptr);
nsString actionString;
ns = action->GetAction(actionString);
NS_ENSURE_SUCCESS(ns, nullptr);
// Privileged/chrome alerts can have actions that are activated by Windows.
// Recognize these actions and enable these activations.
bool activationType(false);
ns = action->GetWindowsSystemActivationType(&activationType);
NS_ENSURE_SUCCESS(ns, nullptr);
nsString activationTypeString(
(mIsSystemPrincipal && activationType) ? u"system"_ns : u""_ns);
success = AddActionNode(toastXml, actionsNode, title, launchArg,
actionString, u""_ns, activationTypeString);
NS_ENSURE_TRUE(success, nullptr);
}
ComPtr<IXmlNode> appendedChild;
hr = toastNodeRoot->AppendChild(actionsNode.Get(), &appendedChild);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
if (mIsSilent) {
ComPtr<IXmlNode> audioNode;
// Create <audio silent="true"/> for silent notifications.
ComPtr<IXmlElement> audio;
hr = toastXml->CreateElement(HStringReference(L"audio").Get(), &audio);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
SetAttribute(audio, HStringReference(L"silent"), u"true"_ns);
hr = audio.As(&audioNode);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = toastNodeRoot->AppendChild(audioNode.Get(), &appendedChild);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
}
return toastXml;
}
nsresult ToastNotificationHandler::CreateToastXmlString(
const nsAString& aImageURL, nsAString& aString) {
HRESULT hr;
if (!aImageURL.IsEmpty()) {
// For testing: don't fetch and write image to disk, just include the URL.
mHasImage = true;
mImageUri.Assign(aImageURL);
}
ComPtr<IXmlDocument> toastXml = CreateToastXmlDocument();
if (!toastXml) {
return NS_ERROR_FAILURE;
}
ComPtr<IXmlNodeSerializer> ser;
hr = toastXml.As(&ser);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
HString data;
hr = ser->GetXml(data.GetAddressOf());
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
uint32_t len = 0;
const wchar_t* rawData = data.GetRawBuffer(&len);
NS_ENSURE_TRUE(rawData, NS_ERROR_FAILURE);
aString.Assign(rawData, len);
return NS_OK;
}
bool ToastNotificationHandler::ShowAlert() {
if (!mBackend->IsActiveHandler(mName, this)) {
return false;
}
ComPtr<IXmlDocument> toastXml = CreateToastXmlDocument();
if (!toastXml) {
return false;
}
return CreateWindowsNotificationFromXml(toastXml);
}
bool ToastNotificationHandler::IsPrivate() { return mInPrivateBrowsing; }
void ToastNotificationHandler::HideAlert() {
if (mNotifier && mNotification) {
mNotifier->Hide(mNotification.Get());
}
}
bool ToastNotificationHandler::CreateWindowsNotificationFromXml(
ComPtr<IXmlDocument>& aXml) {
ComPtr<IToastNotificationFactory> factory;
HRESULT hr;
hr = GetActivationFactory(
HStringReference(RuntimeClass_Windows_UI_Notifications_ToastNotification)
.Get(),
&factory);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = factory->CreateToastNotification(aXml.Get(), &mNotification);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
RefPtr<ToastNotificationHandler> self = this;
hr = mNotification->add_Activated(
Callback<ToastActivationHandler>([self](IToastNotification* aNotification,
IInspectable* aInspectable) {
return self->OnActivate(ComPtr<IToastNotification>(aNotification),
ComPtr<IInspectable>(aInspectable));
}).Get(),
&mActivatedToken);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = mNotification->add_Dismissed(
Callback<ToastDismissedHandler>([self](IToastNotification* aNotification,
IToastDismissedEventArgs* aArgs) {
return self->OnDismiss(ComPtr<IToastNotification>(aNotification),
ComPtr<IToastDismissedEventArgs>(aArgs));
}).Get(),
&mDismissedToken);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = mNotification->add_Failed(
Callback<ToastFailedHandler>([self](IToastNotification* aNotification,
IToastFailedEventArgs* aArgs) {
return self->OnFail(ComPtr<IToastNotification>(aNotification),
ComPtr<IToastFailedEventArgs>(aArgs));
}).Get(),
&mFailedToken);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
// `IToastNotification2` not supported on versions older than Windows 10.
if (IsWin10OrLater()) {
ComPtr<IToastNotification2> notification2;
hr = mNotification.As(&notification2);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
HString hTag;
hr = hTag.Set(mWindowsTag.get());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = notification2->put_Tag(hTag.Get());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
}
ComPtr<IToastNotificationManagerStatics> toastNotificationManagerStatics =
GetToastNotificationManagerStatics();
NS_ENSURE_TRUE(toastNotificationManagerStatics, false);
HString aumid;
hr = aumid.Set(mAumid.get());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = toastNotificationManagerStatics->CreateToastNotifierWithId(aumid.Get(),
&mNotifier);
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
hr = mNotifier->Show(mNotification.Get());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
if (mAlertListener) {
mAlertListener->Observe(nullptr, "alertshow", mCookie.get());
}
return true;
}
void ToastNotificationHandler::SendFinished() {
if (!mSentFinished && mAlertListener) {
mAlertListener->Observe(nullptr, "alertfinished", mCookie.get());
}
mSentFinished = true;
}
HRESULT
ToastNotificationHandler::OnActivate(
const ComPtr<IToastNotification>& notification,
const ComPtr<IInspectable>& inspectable) {
MOZ_LOG(sWASLog, LogLevel::Info, ("OnActivate"));
if (mAlertListener) {
// Extract the `action` value from the argument string.
nsAutoString actionString;
if (inspectable) {
ComPtr<IToastActivatedEventArgs> eventArgs;
HRESULT hr = inspectable.As(&eventArgs);
if (SUCCEEDED(hr)) {
HString arguments;
hr = eventArgs->get_Arguments(arguments.GetAddressOf());
if (SUCCEEDED(hr)) {
uint32_t len = 0;
const char16_t* buffer = (char16_t*)arguments.GetRawBuffer(&len);
if (buffer) {
MOZ_LOG(sWASLog, LogLevel::Info,
("OnActivate: arguments: %s",
NS_ConvertUTF16toUTF8(buffer).get()));
// Toast arguments are a newline separated key/value combination of
// launch arguments and an optional action argument provided as an
// argument to the toast's constructor. After the `action` key is
// found, the remainder of toast argument (including newlines) is
// the `action` value.
Tokenizer16 parse(buffer);
nsDependentSubstring token;
while (parse.ReadUntil(Tokenizer16::Token::NewLine(), token)) {
if (token == nsDependentString(kLaunchArgAction)) {
Unused << parse.ReadUntil(Tokenizer16::Token::EndOfFile(),
actionString);
} else {
// Next line is a value in a key/value pair, skip.
parse.SkipUntil(Tokenizer16::Token::NewLine());
}
// Skip newline.
Tokenizer16::Token unused;
Unused << parse.Next(unused);
}
}
}
}
}
if (actionString.EqualsLiteral("settings")) {
mAlertListener->Observe(nullptr, "alertsettingscallback", mCookie.get());
} else if (actionString.EqualsLiteral("snooze")) {
mAlertListener->Observe(nullptr, "alertdisablecallback", mCookie.get());
} else if (mClickable) {
// When clicking toast, focus moves to another process, but we want to set
// focus on Firefox process.
nsCOMPtr<nsIWindowMediator> winMediator(
do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
if (winMediator) {
nsCOMPtr<mozIDOMWindowProxy> navWin;
winMediator->GetMostRecentWindow(u"navigator:browser",
getter_AddRefs(navWin));
if (navWin) {
nsCOMPtr<nsIWidget> widget =
WidgetUtils::DOMWindowToWidget(nsPIDOMWindowOuter::From(navWin));
if (widget) {
SetForegroundWindow(
static_cast<HWND>(widget->GetNativeData(NS_NATIVE_WINDOW)));
}
}
}
mAlertListener->Observe(nullptr, "alertclickcallback", mCookie.get());
}
}
mBackend->RemoveHandler(mName, this);
return S_OK;
}
// Returns `nullptr` if no such toast exists.
/* static */ ComPtr<IToastNotification>
ToastNotificationHandler::FindNotificationByTag(const nsAString& aWindowsTag,
const nsAString& aAumid) {
HRESULT hr = S_OK;
HString current_id;
current_id.Set(PromiseFlatString(aWindowsTag).get());
ComPtr<IToastNotificationManagerStatics> manager =
GetToastNotificationManagerStatics();
NS_ENSURE_TRUE(manager, nullptr);
ComPtr<IToastNotificationManagerStatics2> manager2;
hr = manager.As(&manager2);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IToastNotificationHistory> history;
hr = manager2->get_History(&history);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IToastNotificationHistory2> history2;
hr = history.As(&history2);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
ComPtr<IVectorView_ToastNotification> toasts;
hr = history2->GetHistoryWithId(
HStringReference(PromiseFlatString(aAumid).get()).Get(), &toasts);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
unsigned int hist_size;
hr = toasts->get_Size(&hist_size);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
for (unsigned int i = 0; i < hist_size; i++) {
ComPtr<IToastNotification> hist_toast;
hr = toasts->GetAt(i, &hist_toast);
if (NS_WARN_IF(FAILED(hr))) {
continue;
}
ComPtr<IToastNotification2> hist_toast2;
hr = hist_toast.As(&hist_toast2);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
HString history_id;
hr = hist_toast2->get_Tag(history_id.GetAddressOf());
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
// We can not directly compare IToastNotification objects; their IUnknown
// pointers should be equivalent but under inspection were not. Therefore we
// use the notification's tag instead.
if (current_id == history_id) {
return hist_toast;
}
}
return nullptr;
}
/* static */ HRESULT ToastNotificationHandler::GetLaunchArgumentValueForKey(
const ComPtr<IToastNotification> toast, const nsAString& key,
nsAString& value) {
ComPtr<IXmlDocument> xml;
HRESULT hr = toast->get_Content(&xml);
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
ComPtr<IXmlElement> root;
hr = xml->get_DocumentElement(&root);
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
HString launchHString;
hr = root->GetAttribute(HStringReference(L"launch").Get(),
launchHString.GetAddressOf());
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
unsigned int len;
const wchar_t* launchPtr = launchHString.GetRawBuffer(&len);
nsAutoString launch(launchPtr, len);
// Toast arguments are a newline separated key/value combination of launch
// arguments and an optional action argument provided as an argument to the
// toast's constructor. After the `action` key is found, the remainder of
// toast argument (including newlines) is the `action` value.
Tokenizer16 parse((char16_t*)launchPtr);
nsDependentSubstring token;
while (parse.ReadUntil(Tokenizer16::Token::NewLine(), token)) {
if (token == nsDependentString(kLaunchArgAction)) {
// As soon as we see an action, we're done: we don't want to take a "key"
// from the user-provided action string.
return E_FAIL;
} else if (token.Equals(key)) {
Unused << parse.ReadUntil(Tokenizer16::Token::NewLine(), value);
return S_OK;
} else {
// Next line is a value in a key/value pair, skip.
parse.SkipUntil(Tokenizer16::Token::NewLine());
// Skip newline.
Tokenizer16::Token unused;
Unused << parse.Next(unused);
}
}
return E_FAIL;
}
/* static */ nsresult
ToastNotificationHandler::FindLaunchURLAndPrivilegedNameForWindowsTag(
const nsAString& aWindowsTag, const nsAString& aAumid, bool& aFoundTag,
nsAString& aLaunchUrl, nsAString& aPrivilegedName) {
aFoundTag = false;
aLaunchUrl.Truncate();
aPrivilegedName.Truncate();
ComPtr<IToastNotification> toast =
ToastNotificationHandler::FindNotificationByTag(aWindowsTag, aAumid);
MOZ_LOG(sWASLog, LogLevel::Debug, ("Found toast [%p]", toast.Get()));
NS_ENSURE_TRUE(toast, NS_OK);
aFoundTag = true;
HRESULT hr = ToastNotificationHandler::GetLaunchArgumentValueForKey(
toast, nsDependentString(kLaunchArgUrl), aLaunchUrl);
if (!SUCCEEDED(hr)) {
MOZ_LOG(sWASLog, LogLevel::Debug,
("Did not find %ls [hr=0x%08lX]", kLaunchArgUrl, hr));
aLaunchUrl.SetIsVoid(true);
} else {
MOZ_LOG(sWASLog, LogLevel::Debug,
("Found %ls [%s]", kLaunchArgUrl,
NS_ConvertUTF16toUTF8(aLaunchUrl).get()));
}
hr = ToastNotificationHandler::GetLaunchArgumentValueForKey(
toast, nsDependentString(kLaunchArgPrivilegedName), aPrivilegedName);
if (!SUCCEEDED(hr)) {
MOZ_LOG(sWASLog, LogLevel::Debug,
("Did not find %ls [hr=0x%08lX]", kLaunchArgPrivilegedName, hr));
aPrivilegedName.SetIsVoid(true);
} else {
MOZ_LOG(sWASLog, LogLevel::Debug,
("Found %ls [%s]", kLaunchArgPrivilegedName,
NS_ConvertUTF16toUTF8(aPrivilegedName).get()));
}
return NS_OK;
}
// A single toast message can receive multiple dismiss events, at most one for
// the popup and at most one for the action center. We can't simply count
// dismiss events as the user may have disabled either popups or action center
// notifications, therefore we have to check if the toast remains in the history
// (action center) to determine if the toast is fully dismissed.
HRESULT
ToastNotificationHandler::OnDismiss(
const ComPtr<IToastNotification>& notification,
const ComPtr<IToastDismissedEventArgs>& aArgs) {
// Multiple dismiss events only occur on Windows 10 and later, prior versions
// of Windows didn't include `IToastNotification2`.
if (IsWin10OrLater()) {
ComPtr<IToastNotification2> notification2;
HRESULT hr = notification.As(&notification2);
NS_ENSURE_TRUE(SUCCEEDED(hr), E_FAIL);
HString tagHString;
hr = notification2->get_Tag(tagHString.GetAddressOf());
NS_ENSURE_TRUE(SUCCEEDED(hr), E_FAIL);
unsigned int len;
const wchar_t* tagPtr = tagHString.GetRawBuffer(&len);
nsAutoString tag(tagPtr, len);
if (FindNotificationByTag(tag, mAumid)) {
return S_OK;
}
}
SendFinished();
mBackend->RemoveHandler(mName, this);
return S_OK;
}
HRESULT
ToastNotificationHandler::OnFail(const ComPtr<IToastNotification>& notification,
const ComPtr<IToastFailedEventArgs>& aArgs) {
HRESULT err;
aArgs->get_ErrorCode(&err);
MOZ_LOG(sWASLog, LogLevel::Error,
("Error creating notification, error: %ld", err));
SendFinished();
mBackend->RemoveHandler(mName, this);
return S_OK;
}
nsresult ToastNotificationHandler::TryShowAlert() {
if (NS_WARN_IF(!ShowAlert())) {
mBackend->RemoveHandler(mName, this);
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
ToastNotificationHandler::OnImageMissing(nsISupports*) {
return TryShowAlert();
}
NS_IMETHODIMP
ToastNotificationHandler::OnImageReady(nsISupports*, imgIRequest* aRequest) {
nsresult rv = AsyncSaveImage(aRequest);
if (NS_FAILED(rv)) {
return TryShowAlert();
}
return rv;
}
nsresult ToastNotificationHandler::AsyncSaveImage(imgIRequest* aRequest) {
nsresult rv =
NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(mImageFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = mImageFile->Append(u"notificationimages"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mImageFile->Create(nsIFile::DIRECTORY_TYPE, 0500);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS) {
return rv;
}
nsID uuid;
rv = nsID::GenerateUUIDInPlace(uuid);
NS_ENSURE_SUCCESS(rv, rv);
NSID_TrimBracketsASCII uuidStr(uuid);
uuidStr.AppendLiteral(".png");
mImageFile->AppendNative(uuidStr);
nsCOMPtr<imgIContainer> imgContainer;
rv = aRequest->GetImage(getter_AddRefs(imgContainer));
NS_ENSURE_SUCCESS(rv, rv);
nsMainThreadPtrHandle<ToastNotificationHandler> self(
new nsMainThreadPtrHolder<ToastNotificationHandler>(
"ToastNotificationHandler", this));
nsCOMPtr<nsIFile> imageFile(mImageFile);
RefPtr<mozilla::gfx::SourceSurface> surface = imgContainer->GetFrame(
imgIContainer::FRAME_FIRST,
imgIContainer::FLAG_SYNC_DECODE | imgIContainer::FLAG_ASYNC_NOTIFY);
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction(
"ToastNotificationHandler::AsyncWriteImage",
[self, imageFile, surface]() -> void {
nsresult rv = NS_ERROR_FAILURE;
if (surface) {
FILE* file = nullptr;
rv = imageFile->OpenANSIFileDesc("wb", &file);
if (NS_SUCCEEDED(rv)) {
rv = gfxUtils::EncodeSourceSurface(surface, ImageType::PNG, u""_ns,
gfxUtils::eBinaryEncode, file);
fclose(file);
}
}
nsCOMPtr<nsIRunnable> cbRunnable = NS_NewRunnableFunction(
"ToastNotificationHandler::AsyncWriteImageCb",
[self, rv]() -> void {
auto handler = const_cast<ToastNotificationHandler*>(self.get());
handler->OnWriteImageFinished(rv);
});
NS_DispatchToMainThread(cbRunnable);
});
return mBackend->BackgroundDispatch(r);
}
void ToastNotificationHandler::OnWriteImageFinished(nsresult rv) {
if (NS_SUCCEEDED(rv)) {
OnWriteImageSuccess();
}
TryShowAlert();
}
nsresult ToastNotificationHandler::OnWriteImageSuccess() {
nsresult rv;
nsCOMPtr<nsIURI> fileURI;
rv = NS_NewFileURI(getter_AddRefs(fileURI), mImageFile);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString uriStr;
rv = fileURI->GetSpec(uriStr);
NS_ENSURE_SUCCESS(rv, rv);
AppendUTF8toUTF16(uriStr, mImageUri);
mHasImage = true;
return NS_OK;
}
} // namespace widget
} // namespace mozilla
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