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MSIX: initial implement notifications library
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| #include "pch.h" | ||
| #include "notifications.h" | ||
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| #include <unknwn.h> | ||
| #include <winrt/base.h> | ||
| #include <winrt/Windows.Foundation.h> | ||
| #include <winrt/Windows.Data.Xml.Dom.h> | ||
| #include <winrt/Windows.Foundation.Collections.h> | ||
| #include <winrt/Windows.UI.Notifications.h> | ||
| #include <winrt/Windows.ApplicationModel.Background.h> | ||
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| using namespace winrt::Windows::ApplicationModel::Background; | ||
| using winrt::Windows::Data::Xml::Dom::XmlDocument; | ||
| using winrt::Windows::UI::Notifications::ToastNotification; | ||
| using winrt::Windows::UI::Notifications::ToastNotificationManager; | ||
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| namespace | ||
| { | ||
| constexpr std::wstring_view TASK_NAME = L"PowerToysBackgroundNotificationsHandler"; | ||
| constexpr std::wstring_view TASK_ENTRYPOINT = L"PowerToysNotifications.BackgroundHandler"; | ||
| constexpr std::wstring_view APPLICATION_ID = L"PowerToys"; | ||
| } | ||
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| void notifications::register_background_toast_handler() | ||
| { | ||
| try | ||
| { | ||
| // Re-request access to clean up from previous PowerToys installations | ||
| BackgroundExecutionManager::RemoveAccess(); | ||
| BackgroundExecutionManager::RequestAccessAsync().get(); | ||
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| BackgroundTaskBuilder builder; | ||
| ToastNotificationActionTrigger trigger{ APPLICATION_ID }; | ||
| builder.SetTrigger(trigger); | ||
| builder.TaskEntryPoint(TASK_ENTRYPOINT); | ||
| builder.Name(TASK_NAME); | ||
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| const auto tasks = BackgroundTaskRegistration::AllTasks(); | ||
| const bool already_registered = std::any_of(begin(tasks), end(tasks), [=](const auto& task) { | ||
| return task.Value().Name() == TASK_NAME; | ||
| }); | ||
| if (already_registered) | ||
| { | ||
| return; | ||
| } | ||
| (void)builder.Register(); | ||
| } | ||
| catch (...) | ||
| { | ||
| // Couldn't register the background task, nothing we can do | ||
| } | ||
| } | ||
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| void notifications::show_toast(std::wstring_view message) | ||
| { | ||
| // The toast won't be actually activated in the background, since it doesn't have any buttons | ||
| show_toast_background_activated(message, {}, {}); | ||
| } | ||
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| void notifications::show_toast_background_activated(std::wstring_view message, std::wstring_view background_handler_id, std::vector<std::wstring_view> button_labels) | ||
| { | ||
| // DO NOT LOCALIZE any string in this function, because they're XML tags and a subject to | ||
| // https://docs.microsoft.com/en-us/windows/uwp/design/shell/tiles-and-notifications/toast-xml-schema | ||
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| std::wstring toast_xml; | ||
| toast_xml.reserve(1024); | ||
| toast_xml += LR"(<?xml version="1.0"?><toast><visual><binding template="ToastGeneric"><text>PowerToys</text><text>)"; | ||
| toast_xml += message; | ||
| toast_xml += L"</text></binding></visual><actions>"; | ||
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| for (size_t i = 0; i < size(button_labels); ++i) | ||
| { | ||
| toast_xml += LR"(<action activationType="background" arguments=")"; | ||
| toast_xml += L"button_id=" + std::to_wstring(i); // pass the button ID | ||
| toast_xml += L"&handler="; | ||
| toast_xml += background_handler_id; | ||
| toast_xml += LR"(" content=")"; | ||
| toast_xml += button_labels[i]; | ||
| toast_xml += LR"("/>)"; | ||
| } | ||
| toast_xml += L"</actions></toast>"; | ||
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| XmlDocument toast_xml_doc; | ||
| toast_xml_doc.LoadXml(toast_xml); | ||
| ToastNotification notification{ toast_xml_doc }; | ||
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| const auto notifier = ToastNotificationManager::ToastNotificationManager::CreateToastNotifier(); | ||
| notifier.Show(notification); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| #pragma once | ||
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| #include <string_view> | ||
| #include <vector> | ||
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| namespace notifications | ||
| { | ||
| void register_background_toast_handler(); | ||
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| // Make sure your plaintext_message argument is properly XML-escaped | ||
| void show_toast(std::wstring_view plaintext_message); | ||
| void show_toast_background_activated(std::wstring_view plaintext_message, std::wstring_view background_handler_id, std::vector<std::wstring_view> plaintext_button_labels); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| #define NOTIFICATIONSDLL_API __declspec(dllexport) | ||
| #define NOTIFICATIONSDLL_API __declspec(dllimport) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #include "pch.h" | ||
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| STDAPI DllRegisterServer() | ||
| { | ||
| return S_OK; | ||
| } | ||
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| STDAPI DllUnregisterServer() | ||
| { | ||
| return S_OK; | ||
| } | ||
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| BOOL APIENTRY DllMain(HMODULE, | ||
| DWORD ul_reason_for_call, | ||
| LPVOID) | ||
| { | ||
| switch (ul_reason_for_call) | ||
| { | ||
| case DLL_PROCESS_ATTACH: | ||
| case DLL_THREAD_ATTACH: | ||
| case DLL_THREAD_DETACH: | ||
| case DLL_PROCESS_DETACH: | ||
| break; | ||
| } | ||
| return TRUE; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| #pragma once | ||
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| #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers | ||
| #include <windows.h> | ||
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| #include <winrt/Windows.ApplicationModel.Background.h> | ||
| #include <winrt/Windows.Foundation.h> | ||
| #include <winrt/Windows.UI.Notifications.h> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| EXPORTS | ||
| DllCanUnloadNow = WINRT_CanUnloadNow PRIVATE | ||
| DllGetActivationFactory = WINRT_GetActivationFactory PRIVATE | ||
| DllRegisterServer PRIVATE | ||
| DllUnregisterServer PRIVATE |
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