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89 lines
4.3 KiB
C++
89 lines
4.3 KiB
C++
//*********************************************************
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//
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// Copyright (c) Microsoft. All rights reserved.
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// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
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// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
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// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
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//
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//*********************************************************
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#pragma once
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#include <collection.h>
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namespace SDKSample
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{
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namespace Common
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{
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/// <summary>
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/// Typical implementation of Page that provides several important conveniences:
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/// <list type="bullet">
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/// <item>
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/// <description>Application view state to visual state mapping</description>
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/// </item>
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/// <item>
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/// <description>GoBack, GoForward, and GoHome event handlers</description>
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/// </item>
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/// <item>
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/// <description>Mouse and keyboard shortcuts for navigation</description>
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/// </item>
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/// <item>
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/// <description>State management for navigation and process lifetime management</description>
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/// </item>
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/// <item>
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/// <description>A default view model</description>
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/// </item>
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/// </list>
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/// </summary>
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[Windows::Foundation::Metadata::WebHostHidden]
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public ref class LayoutAwarePage : Windows::UI::Xaml::Controls::Page
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{
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internal:
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LayoutAwarePage();
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public:
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void StartLayoutUpdates(Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void StopLayoutUpdates(Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void InvalidateVisualState();
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static property Windows::UI::Xaml::DependencyProperty^ DefaultViewModelProperty
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{
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Windows::UI::Xaml::DependencyProperty^ get();
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};
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property Windows::Foundation::Collections::IObservableMap<Platform::String^, Platform::Object^>^ DefaultViewModel
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{
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Windows::Foundation::Collections::IObservableMap<Platform::String^, Platform::Object^>^ get();
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void set(Windows::Foundation::Collections::IObservableMap<Platform::String^, Platform::Object^>^ value);
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}
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protected:
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virtual void GoHome(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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virtual void GoBack(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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virtual void GoForward(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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virtual Platform::String^ DetermineVisualState(Windows::UI::ViewManagement::ApplicationViewState viewState);
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virtual void OnNavigatedTo(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e) override;
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virtual void OnNavigatedFrom(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e) override;
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virtual void LoadState(Platform::Object^ navigationParameter,
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Windows::Foundation::Collections::IMap<Platform::String^, Platform::Object^>^ pageState);
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virtual void SaveState(Windows::Foundation::Collections::IMap<Platform::String^, Platform::Object^>^ pageState);
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private:
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Platform::String^ _pageKey;
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bool _navigationShortcutsRegistered;
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Platform::Collections::Map<Platform::String^, Platform::Object^>^ _defaultViewModel;
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Windows::Foundation::EventRegistrationToken _windowSizeEventToken,
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_acceleratorKeyEventToken, _pointerPressedEventToken;
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Platform::Collections::Vector<Windows::UI::Xaml::Controls::Control^>^ _layoutAwareControls;
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void WindowSizeChanged(Platform::Object^ sender, Windows::UI::Core::WindowSizeChangedEventArgs^ e);
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void OnLoaded(Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnUnloaded(Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void CoreDispatcher_AcceleratorKeyActivated(Windows::UI::Core::CoreDispatcher^ sender,
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Windows::UI::Core::AcceleratorKeyEventArgs^ args);
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void CoreWindow_PointerPressed(Windows::UI::Core::CoreWindow^ sender,
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Windows::UI::Core::PointerEventArgs^ args);
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LayoutAwarePage^ _this; // Strong reference to self, cleaned up in OnUnload
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};
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}
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}
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