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@@ -20,7 +20,19 @@ namespace winrt::ReactNativeWebView::implementation {
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}
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winrt::FrameworkElement ReactWebViewManager::CreateView() noexcept {
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- return winrt::WebView();
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+ auto webView = winrt::WebView();
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+ m_webView = winrt::make_weak(webView);
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+ RegisterEvents();
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+ return webView;
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+ }
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+
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+ void ReactWebViewManager::RegisterEvents() {
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+ if (auto webView = m_webView.get()) {
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+ m_navigationCompletedRevoker = webView.NavigationCompleted(
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+ winrt::auto_revoke, [=](auto const& sender, auto const& args) {
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+ OnNavigationCompleted(sender, args);
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+ });
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+ }
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}
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// IViewManagerWithReactContext
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@@ -48,44 +60,49 @@ namespace winrt::ReactNativeWebView::implementation {
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for (auto const& pair : propertyMap) {
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auto const& propertyName = pair.first;
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auto const& propertyValue = pair.second;
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+
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if (propertyName == "source") {
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if (!propertyValue.IsNull()) {
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auto const& srcMap = propertyValue.Object();
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54
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- auto uriString = srcMap.at("uri").String();
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- auto const isPackagerAsset = srcMap.at("__packager_asset").Boolean();
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+ auto uriString = srcMap.at("uri").String();
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// non-uri sources not yet supported
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if (uriString.length() == 0) {
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continue;
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}
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+ bool isPackagerAsset = false;
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+ if (srcMap.find("__packager_asset") != srcMap.end()) {
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+ isPackagerAsset = srcMap.at("__packager_asset").Boolean();
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+ }
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+
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if (isPackagerAsset && uriString.find("assets") == 0) {
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uriString.replace(0, 6, "ms-appx://");
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}
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- auto const uri = winrt::Uri(to_hstring(uriString));
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- SetSource(webView, uri);
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+ SetSource(winrt::Uri(to_hstring(uriString)));
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}
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}
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}
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}
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}
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- void ReactWebViewManager::SetSource(winrt::WebView const& webView, winrt::Uri const& uri) {
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- auto const tag = webView.GetValue(winrt::FrameworkElement::TagProperty()).as<winrt::IPropertyValue>().GetInt64();
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-
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- m_reactContext.DispatchEvent(
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- webView,
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- L"topLoadStart",
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- [tag](winrt::IJSValueWriter const& eventDataWriter) noexcept {
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- eventDataWriter.WriteObjectBegin();
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- {
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- WriteProperty(eventDataWriter, L"target", tag);
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- }
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- eventDataWriter.WriteObjectEnd();
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- });
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+ void ReactWebViewManager::SetSource(winrt::Uri const& uri) {
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+ if (auto webView = m_webView.get()) {
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+ auto tag = webView.GetValue(winrt::FrameworkElement::TagProperty()).as<winrt::IPropertyValue>().GetInt64();
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+ m_reactContext.DispatchEvent(
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+ webView,
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+ L"topLoadingStart",
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+ [tag](winrt::IJSValueWriter const& eventDataWriter) noexcept {
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+ eventDataWriter.WriteObjectBegin();
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+ {
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+ WriteProperty(eventDataWriter, L"target", tag);
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+ }
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+ eventDataWriter.WriteObjectEnd();
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+ });
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- webView.Navigate(uri);
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+ webView.Navigate(uri);
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+ }
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}
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// IViewManagerWithExportedEventTypeConstants
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@@ -95,10 +112,57 @@ namespace winrt::ReactNativeWebView::implementation {
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95
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112
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96
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113
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ConstantProvider ReactWebViewManager::ExportedCustomDirectEventTypeConstants() noexcept {
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return [](winrt::Microsoft::ReactNative::IJSValueWriter const& constantWriter) {
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- WriteCustomDirectEventTypeConstant(constantWriter, "onLoadStart");
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+ WriteCustomDirectEventTypeConstant(constantWriter, "onLoadingStart");
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WriteCustomDirectEventTypeConstant(constantWriter, "onLoad");
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- WriteCustomDirectEventTypeConstant(constantWriter, "onLoadEnd");
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+ WriteCustomDirectEventTypeConstant(constantWriter, "onLoadingFinish");
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};
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}
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103
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120
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+ // IViewManagerWithCommands
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+ IMapView<hstring, int64_t> ReactWebViewManager::Commands() noexcept {
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+ auto commands = winrt::single_threaded_map<hstring, int64_t>();
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+ commands.Insert(L"goForward", 0);
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+ commands.Insert(L"goBack", 1);
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+ commands.Insert(L"reload", 2);
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+ return commands.GetView();
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+ }
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+
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+ void ReactWebViewManager::DispatchCommand(
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+ FrameworkElement const& view,
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+ int64_t commandId,
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+ winrt::Microsoft::ReactNative::IJSValueReader const& commandArgsReader) noexcept {
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+ if (auto webView = view.try_as<winrt::WebView>()) {
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+ switch (commandId) {
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+ case 0: // goForward
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+ webView.GoForward();
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+ break;
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+ case 1: // goBack
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+ webView.GoBack();
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+ break;
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+ case 2: // reload
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+ webView.Refresh();
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+ break;
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+ }
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+ }
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+ }
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+
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+ void ReactWebViewManager::OnNavigationCompleted(winrt::WebView const& webView, winrt::WebViewNavigationCompletedEventArgs const& args) {
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150
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+ m_reactContext.DispatchEvent(
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+ webView,
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+ L"topLoadingFinish",
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+ [webView, args](winrt::IJSValueWriter const& eventDataWriter) noexcept {
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+ eventDataWriter.WriteObjectBegin();
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+ {
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+ auto tag = webView.GetValue(winrt::FrameworkElement::TagProperty()).as<winrt::IPropertyValue>().GetInt64();
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+ WriteProperty(eventDataWriter, L"canGoBack", webView.CanGoBack());
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+ WriteProperty(eventDataWriter, L"canGoForward", webView.CanGoForward());
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+ WriteProperty(eventDataWriter, L"loading", false);
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+ WriteProperty(eventDataWriter, L"target", tag);
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+ WriteProperty(eventDataWriter, L"title", webView.DocumentTitle());
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+ WriteProperty(eventDataWriter, L"url", args.Uri().ToString());
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+ }
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+ eventDataWriter.WriteObjectEnd();
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+ });
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+ }
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+
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168
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} // namespace winrt::ReactWebView::implementation
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Kai Guo
4 years ago