TSE: Replace TSM.Profile with a ProfileViewModel #8552
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| Original file line number | Diff line number | Diff line change |
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| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT license. | ||
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| #pragma once | ||
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| #include "../inc/cppwinrt_utils.h" | ||
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| template<typename T> | ||
| struct ViewModelHelper | ||
| { | ||
| public: | ||
| winrt::event_token PropertyChanged(::winrt::Windows::UI::Xaml::Data::PropertyChangedEventHandler const& handler) | ||
| { | ||
| return _propertyChangedHandlers.add(handler); | ||
| } | ||
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| void PropertyChanged(winrt::event_token const& token) | ||
| { | ||
| _propertyChangedHandlers.remove(token); | ||
| } | ||
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| protected: | ||
| void _NotifyChangeCore(const std::wstring_view name) | ||
| { | ||
| _propertyChangedHandlers(*static_cast<T*>(this), ::winrt::Windows::UI::Xaml::Data::PropertyChangedEventArgs{ name }); | ||
| } | ||
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| // template recursion base case: single dispatch | ||
| void _NotifyChanges(const std::wstring_view name) { _NotifyChangeCore(name); } | ||
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| template<typename... Args> | ||
| void _NotifyChanges(const std::wstring_view name, Args&&... more) | ||
| { | ||
| _NotifyChangeCore(name); | ||
| _NotifyChanges(std::forward<Args>(more)...); | ||
| } | ||
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| private: | ||
| winrt::event<::winrt::Windows::UI::Xaml::Data::PropertyChangedEventHandler> _propertyChangedHandlers; | ||
| }; | ||
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| #define _BASE_OBSERVABLE_PROJECTED_SETTING(target, name) \ | ||
| public: \ | ||
| auto name() const noexcept { return target.name(); }; \ | ||
| template<typename T> \ | ||
| void name(const T& value) \ | ||
| { \ | ||
| if (name() != value) \ | ||
| { \ | ||
| target.name(value); \ | ||
| _NotifyChanges(L"Has" #name, L#name); \ | ||
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There was a problem hiding this comment. this notifies for "HasX" and "X" simultaneously There was a problem hiding this comment. omg, a macro for a template. You've gone wild with power hahaha |
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| } \ | ||
| } \ | ||
| bool Has##name() { return target.Has##name(); } | ||
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| // Defines a setting that reflects another object's same-named | ||
| // setting. | ||
| #define OBSERVABLE_PROJECTED_SETTING(target, name) \ | ||
| _BASE_OBSERVABLE_PROJECTED_SETTING(target, name) \ | ||
| void Clear##name() \ | ||
| { \ | ||
| const auto hadValue{ target.Has##Name() }; \ | ||
| target.Clear##name(); \ | ||
| if (hadValue) \ | ||
| { \ | ||
| _NotifyChanges(L"Has" #name, L#name); \ | ||
| } \ | ||
| } | ||
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| // Defines a setting that reflects another object's same-named | ||
| // setting, but which cannot be erased. | ||
| #define PERMANENT_OBSERVABLE_PROJECTED_SETTING(target, name) \ | ||
| _BASE_OBSERVABLE_PROJECTED_SETTING(target, name) \ | ||
| void Clear##name() {} | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
|
There was a problem hiding this comment. YOU CAN DEFINE MACROS FOR THE IDL There was a problem hiding this comment. YEP! I'm using |
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| // Licensed under the MIT license. | ||
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| #pragma once | ||
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| #define OBSERVABLE_PROJECTED_SETTING(Type, Name) \ | ||
| Type Name \ | ||
| { \ | ||
| get; \ | ||
| set; \ | ||
| }; \ | ||
| Boolean Has##Name { get; }; \ | ||
| void Clear##Name() | ||
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oh geez, I must've added that in on accident. My bad!