mirror of
https://github.com/opencv/opencv.git
synced 2024-12-29 20:48:39 +08:00
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
|
//*********************************************************
|
||
|
|
//
|
||
|
|
// Copyright (c) Microsoft. All rights reserved.
|
||
|
|
// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
|
||
|
|
// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
|
||
|
|
// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
|
||
|
|
// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
|
||
|
|
//
|
||
|
|
//*********************************************************
|
||
|
|
|
||
|
|
//
|
||
|
|
// SuspensionManager.h
|
||
|
|
// Declaration of the SuspensionManager class
|
||
|
|
//
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <ppltasks.h>
|
||
|
|
|
||
|
|
namespace SDKSample
|
||
|
|
{
|
||
|
|
namespace Common
|
||
|
|
{
|
||
|
|
/// <summary>
|
||
|
|
/// SuspensionManager captures global session state to simplify process lifetime management
|
||
|
|
/// for an application. Note that session state will be automatically cleared under a variety
|
||
|
|
/// of conditions and should only be used to store information that would be convenient to
|
||
|
|
/// carry across sessions, but that should be disacarded when an application crashes or is
|
||
|
|
/// upgraded.
|
||
|
|
/// </summary>
|
||
|
|
ref class SuspensionManager sealed
|
||
|
|
{
|
||
|
|
internal:
|
||
|
|
static void RegisterFrame(Windows::UI::Xaml::Controls::Frame^ frame, Platform::String^ sessionStateKey);
|
||
|
|
static void UnregisterFrame(Windows::UI::Xaml::Controls::Frame^ frame);
|
||
|
|
static Concurrency::task<void> SaveAsync(void);
|
||
|
|
static Concurrency::task<void> RestoreAsync(void);
|
||
|
|
static property Windows::Foundation::Collections::IMap<Platform::String^, Platform::Object^>^ SessionState
|
||
|
|
{
|
||
|
|
Windows::Foundation::Collections::IMap<Platform::String^, Platform::Object^>^ get(void);
|
||
|
|
};
|
||
|
|
static Windows::Foundation::Collections::IMap<Platform::String^, Platform::Object^>^ SessionStateForFrame(
|
||
|
|
Windows::UI::Xaml::Controls::Frame^ frame);
|
||
|
|
|
||
|
|
private:
|
||
|
|
static void RestoreFrameNavigationState(Windows::UI::Xaml::Controls::Frame^ frame);
|
||
|
|
static void SaveFrameNavigationState(Windows::UI::Xaml::Controls::Frame^ frame);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|