michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "WakeLockListener.h"
michael@0: #include "MetroUtils.h"
michael@0: 
michael@0: using namespace mozilla::widget::winrt;
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(WakeLockListener, nsIDOMMozWakeLockListener)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: WakeLockListener::Callback(const nsAString& aTopic, const nsAString& aState)
michael@0: {
michael@0:   if (!mDisplayRequest) {
michael@0:     if (FAILED(ActivateGenericInstance(RuntimeClass_Windows_System_Display_DisplayRequest, mDisplayRequest))) {
michael@0:       NS_WARNING("Failed to instantiate IDisplayRequest, wakelocks will be broken!");
michael@0:       return NS_OK;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (aState.Equals(NS_LITERAL_STRING("locked-foreground"))) {
michael@0:     mDisplayRequest->RequestActive();
michael@0:   } else {
michael@0:     mDisplayRequest->RequestRelease();
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }