//
// App.xaml.cpp
// Implementation of the App class.
//
// Copyright (c) Microsoft Open Technologies, Inc.
// All rights reserved.
//
// (3 - clause BSD License)
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that
// the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
// following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
// following disclaimer in the documentation and/or other materials provided with the distribution.
// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or
// promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#include "pch.h"
#include "MainPage.xaml.h"
#include "App.xaml.h"
using namespace video_capture_xaml;
using namespace Platform;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::UI::Xaml::Media::Animation;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Controls::Primitives;
using namespace Windows::UI::Xaml::Data;
using namespace Windows::UI::Xaml::Input;
using namespace Windows::UI::Xaml::Interop;
using namespace Windows::UI::Xaml::Media;
using namespace Windows::UI::Xaml::Navigation;
// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
App::App()
{
InitializeComponent();
Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
Resuming += ref new Windows::Foundation::EventHandler<Platform::Object ^>(this, &video_capture_xaml::App::OnResuming);
}
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used when the application is launched to open a specific file, to display
/// search results, and so forth.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
void App::OnLaunched(LaunchActivatedEventArgs^ e)
{
#if _DEBUG
if (IsDebuggerPresent())
{
DebugSettings->EnableFrameRateCounter = true;
}
#endif
auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active.
if (rootFrame == nullptr)
{
// Create a Frame to act as the navigation context and associate it with
// a SuspensionManager key
rootFrame = ref new Frame();
// TODO: Change this value to a cache size that is appropriate for your application.
rootFrame->CacheSize = 1;
if (e->PreviousExecutionState == ApplicationExecutionState::Terminated)
{
// TODO: Restore the saved session state only when appropriate, scheduling the
// final launch steps after the restore is complete.
}
// Place the frame in the current Window
Window::Current->Content = rootFrame;
}
if (rootFrame->Content == nullptr)
{
#if WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP
// Removes the turnstile navigation for startup.
if (rootFrame->ContentTransitions != nullptr)
{
_transitions = ref new TransitionCollection();
for (auto transition : rootFrame->ContentTransitions)
{
_transitions->Append(transition);
}
}
rootFrame->ContentTransitions = nullptr;
_firstNavigatedToken = rootFrame->Navigated += ref new NavigatedEventHandler(this, &App::RootFrame_FirstNavigated);
#endif
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter.
if (!rootFrame->Navigate(MainPage::typeid, e->Arguments))
{
throw ref new FailureException("Failed to create initial page");
}
}
// Ensure the current window is active
Window::Current->Activate();
}
#if WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP
/// <summary>
/// Restores the content transitions after the app has launched.
/// </summary>
void App::RootFrame_FirstNavigated(Object^ sender, NavigationEventArgs^ e)
{
auto rootFrame = safe_cast<Frame^>(sender);
TransitionCollection^ newTransitions;
if (_transitions == nullptr)
{
newTransitions = ref new TransitionCollection();
newTransitions->Append(ref new NavigationThemeTransition());
}
else
{
newTransitions = _transitions;
}
rootFrame->ContentTransitions = newTransitions;
rootFrame->Navigated -= _firstNavigatedToken;
}
#endif
/// <summary>
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
{
(void) sender; // Unused parameter
(void) e; // Unused parameter
// TODO: Save application state and stop any background activity
}
void video_capture_xaml::App::OnResuming(Platform::Object ^sender, Platform::Object ^args)
{
// throw ref new Platform::NotImplementedException();