123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
#include "pch.h"
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#include "Screen.h"
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#include "JSValueXaml.h"
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#include "NativeModules.h"
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namespace winrt {
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using namespace Microsoft::ReactNative;
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using namespace Windows::Foundation;
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using namespace Windows::Foundation::Collections;
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using namespace Windows::UI;
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using namespace Windows::UI::Xaml;
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using namespace Windows::UI::Xaml::Controls;
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} // namespace winrt
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namespace winrt::RNScreens::implementation {
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Screen::Screen(winrt::Microsoft::ReactNative::IReactContext reactContext)
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: m_reactContext(reactContext) {
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onLoadingRevoker = Loading({this, &Screen::onLoading});
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onLoadedRevoker = Loaded({this, &Screen::onLoaded});
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onUnloadedRevoker = Unloaded({this, &Screen::onUnloaded});
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}
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Screen::~Screen() {
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Loading(onLoadingRevoker);
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Loaded(onLoadedRevoker);
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Unloaded(onUnloadedRevoker);
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}
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void Screen::addView(winrt::Windows::UI::Xaml::UIElement element) {
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Children().Append(element);
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}
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void Screen::removeAllChildren() {
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Children().Clear();
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}
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void Screen::removeChildAt(int64_t index) {
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Children().RemoveAt(static_cast<uint32_t>(index));
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}
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void Screen::replaceChild(
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winrt::Windows::UI::Xaml::UIElement oldChild,
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winrt::Windows::UI::Xaml::UIElement newChild) {
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uint32_t index;
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if (!Children().IndexOf(oldChild, index))
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return;
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Children().SetAt(index, newChild);
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}
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void Screen::onLoading(
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winrt::Windows::UI::Xaml::FrameworkElement const &sender,
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winrt::Windows::Foundation::IInspectable const &) {
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auto screen = sender.try_as<Screen>();
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if (!screen)
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return;
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screen->dispatchOnWillAppear();
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}
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void Screen::onLoaded(
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winrt::Windows::Foundation::IInspectable const &sender,
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winrt::Windows::UI::Xaml::RoutedEventArgs const &) {
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auto screen = sender.try_as<Screen>();
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if (!screen)
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return;
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screen->dispatchOnAppear();
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}
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void Screen::onUnloaded(
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winrt::Windows::Foundation::IInspectable const &sender,
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winrt::Windows::UI::Xaml::RoutedEventArgs const &) {
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auto screen = sender.try_as<Screen>();
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if (!screen)
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return;
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screen->dispatchOnWillDisappear();
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screen->dispatchOnDisappear();
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}
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void Screen::dispatchOnWillAppear() {
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m_reactContext.DispatchEvent(
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*this,
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L"topWillAppear",
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[&](winrt::IJSValueWriter const &eventDataWriter) noexcept {
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eventDataWriter.WriteObjectBegin();
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eventDataWriter.WriteObjectEnd();
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});
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}
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void Screen::dispatchOnWillDisappear() {
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m_reactContext.DispatchEvent(
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*this,
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L"topWillDisappear",
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[&](winrt::IJSValueWriter const &eventDataWriter) noexcept {
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eventDataWriter.WriteObjectBegin();
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eventDataWriter.WriteObjectEnd();
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});
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}
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void Screen::dispatchOnAppear() {
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m_reactContext.DispatchEvent(
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*this,
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L"topAppear",
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[&](winrt::IJSValueWriter const &eventDataWriter) noexcept {
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eventDataWriter.WriteObjectBegin();
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eventDataWriter.WriteObjectEnd();
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});
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}
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void Screen::dispatchOnDisappear() {
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m_reactContext.DispatchEvent(
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*this,
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L"topDisappear",
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[&](winrt::IJSValueWriter const &eventDataWriter) noexcept {
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eventDataWriter.WriteObjectBegin();
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eventDataWriter.WriteObjectEnd();
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});
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}
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} // namespace winrt::RNScreens::implementation
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