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Bug 1570151 - WebXR: Implement VRManagerEventObserver r=imanol
In order to support multiple API's (WebVR + WebXR) being enabled simultaneously, a new class, gfx::VRManagerEventObserver, implements a pure virtual interface to be shared by both the WebVR and WebXR observers of XR device related events. Differential Revision: https://phabricator.services.mozilla.com/D39985 --HG-- extra : moz-landing-system : lando
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@ -8,7 +8,6 @@
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#include "nsContentUtils.h"
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#include "nsGlobalWindow.h"
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#include "VRManagerChild.h"
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#include "mozilla/Telemetry.h"
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@ -83,7 +82,7 @@ void VREventObserver::StopActivity() {
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vmc->StopActivity();
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}
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bool VREventObserver::GetStopActivityStatus() { return mStopActivity; }
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bool VREventObserver::GetStopActivityStatus() const { return mStopActivity; }
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void VREventObserver::NotifyAfterLoad() {
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if (VRManagerChild::IsCreated()) {
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@ -9,32 +9,33 @@
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#include "mozilla/dom/VRDisplayEventBinding.h"
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#include "nsISupportsImpl.h" // for NS_INLINE_DECL_REFCOUNTING
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#include "VRManagerChild.h"
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class nsGlobalWindowInner;
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namespace mozilla {
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namespace dom {
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class VREventObserver final {
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class VREventObserver final : public gfx::VRManagerEventObserver {
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public:
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NS_INLINE_DECL_REFCOUNTING(VREventObserver)
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NS_INLINE_DECL_REFCOUNTING(VREventObserver, override)
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explicit VREventObserver(nsGlobalWindowInner* aGlobalWindow);
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void NotifyAfterLoad();
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void NotifyVRDisplayMounted(uint32_t aDisplayID);
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void NotifyVRDisplayUnmounted(uint32_t aDisplayID);
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void NotifyVRDisplayMounted(uint32_t aDisplayID) override;
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void NotifyVRDisplayUnmounted(uint32_t aDisplayID) override;
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void NotifyVRDisplayNavigation(uint32_t aDisplayID);
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void NotifyVRDisplayRequested(uint32_t aDisplayID);
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void NotifyVRDisplayConnect(uint32_t aDisplayID);
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void NotifyVRDisplayDisconnect(uint32_t aDisplayID);
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void NotifyVRDisplayPresentChange(uint32_t aDisplayID);
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void NotifyPresentationGenerationChanged(uint32_t aDisplayID);
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void NotifyVRDisplayConnect(uint32_t aDisplayID) override;
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void NotifyVRDisplayDisconnect(uint32_t aDisplayID) override;
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void NotifyVRDisplayPresentChange(uint32_t aDisplayID) override;
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void NotifyPresentationGenerationChanged(uint32_t aDisplayID) override;
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void DisconnectFromOwner();
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void UpdateSpentTimeIn2DTelemetry(bool aUpdate);
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void StartActivity();
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void StopActivity();
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bool GetStopActivityStatus();
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bool GetStopActivityStatus() const override;
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private:
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~VREventObserver();
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@ -22,8 +22,8 @@
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using namespace mozilla::dom;
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namespace {
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const nsTArray<RefPtr<dom::VREventObserver>>::index_type kNoIndex =
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nsTArray<RefPtr<dom::VREventObserver>>::NoIndex;
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const nsTArray<RefPtr<VRManagerEventObserver>>::index_type kNoIndex =
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nsTArray<RefPtr<VRManagerEventObserver>>::NoIndex;
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} // namespace
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namespace mozilla {
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@ -408,8 +408,7 @@ void VRManagerChild::FireDOMVRDisplayPresentChangeEvent(uint32_t aDisplayID) {
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void VRManagerChild::FireDOMVRDisplayMountedEventInternal(uint32_t aDisplayID) {
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// Iterate over a copy of mListeners, as dispatched events may modify it.
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners(mListeners);
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for (auto& listener : listeners) {
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listener->NotifyVRDisplayMounted(aDisplayID);
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}
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@ -418,8 +417,7 @@ void VRManagerChild::FireDOMVRDisplayMountedEventInternal(uint32_t aDisplayID) {
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void VRManagerChild::FireDOMVRDisplayUnmountedEventInternal(
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uint32_t aDisplayID) {
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// Iterate over a copy of mListeners, as dispatched events may modify it.
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners(mListeners);
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for (auto& listener : listeners) {
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listener->NotifyVRDisplayUnmounted(aDisplayID);
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}
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@ -427,8 +425,7 @@ void VRManagerChild::FireDOMVRDisplayUnmountedEventInternal(
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void VRManagerChild::FireDOMVRDisplayConnectEventInternal(uint32_t aDisplayID) {
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// Iterate over a copy of mListeners, as dispatched events may modify it.
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners(mListeners);
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for (auto& listener : listeners) {
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listener->NotifyVRDisplayConnect(aDisplayID);
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}
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@ -437,8 +434,7 @@ void VRManagerChild::FireDOMVRDisplayConnectEventInternal(uint32_t aDisplayID) {
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void VRManagerChild::FireDOMVRDisplayDisconnectEventInternal(
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uint32_t aDisplayID) {
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// Iterate over a copy of mListeners, as dispatched events may modify it.
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners(mListeners);
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for (auto& listener : listeners) {
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listener->NotifyVRDisplayDisconnect(aDisplayID);
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}
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@ -447,29 +443,27 @@ void VRManagerChild::FireDOMVRDisplayDisconnectEventInternal(
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void VRManagerChild::FireDOMVRDisplayPresentChangeEventInternal(
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uint32_t aDisplayID) {
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// Iterate over a copy of mListeners, as dispatched events may modify it.
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners(mListeners);
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for (auto& listener : listeners) {
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listener->NotifyVRDisplayPresentChange(aDisplayID);
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}
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}
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void VRManagerChild::FireDOMVRDisplayConnectEventsForLoadInternal(
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uint32_t aDisplayID, dom::VREventObserver* aObserver) {
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uint32_t aDisplayID, VRManagerEventObserver* aObserver) {
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aObserver->NotifyVRDisplayConnect(aDisplayID);
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}
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void VRManagerChild::NotifyPresentationGenerationChangedInternal(
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uint32_t aDisplayID) {
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nsTArray<RefPtr<dom::VREventObserver>> listeners;
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listeners = mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> listeners;
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for (auto& listener : listeners) {
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listener->NotifyPresentationGenerationChanged(aDisplayID);
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}
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}
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void VRManagerChild::FireDOMVRDisplayConnectEventsForLoad(
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dom::VREventObserver* aObserver) {
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VRManagerEventObserver* aObserver) {
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// We need to fire the VRDisplayConnect event when a page is loaded
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// for each VR Display that has already been enumerated
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nsTArray<RefPtr<VRDisplayClient>> displays;
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@ -478,7 +472,7 @@ void VRManagerChild::FireDOMVRDisplayConnectEventsForLoad(
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const VRDisplayInfo& info = display->GetDisplayInfo();
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if (info.GetIsConnected()) {
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nsContentUtils::AddScriptRunner(NewRunnableMethod<
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uint32_t, RefPtr<dom::VREventObserver>>(
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uint32_t, RefPtr<VRManagerEventObserver>>(
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"gfx::VRManagerChild::FireDOMVRDisplayConnectEventsForLoadInternal",
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this, &VRManagerChild::FireDOMVRDisplayConnectEventsForLoadInternal,
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info.GetDisplayID(), aObserver));
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@ -486,7 +480,7 @@ void VRManagerChild::FireDOMVRDisplayConnectEventsForLoad(
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}
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}
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void VRManagerChild::AddListener(dom::VREventObserver* aObserver) {
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void VRManagerChild::AddListener(VRManagerEventObserver* aObserver) {
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MOZ_ASSERT(aObserver);
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if (mListeners.IndexOf(aObserver) != kNoIndex) {
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@ -499,7 +493,7 @@ void VRManagerChild::AddListener(dom::VREventObserver* aObserver) {
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}
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}
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void VRManagerChild::RemoveListener(dom::VREventObserver* aObserver) {
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void VRManagerChild::RemoveListener(VRManagerEventObserver* aObserver) {
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MOZ_ASSERT(aObserver);
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mListeners.RemoveElement(aObserver);
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@ -22,7 +22,6 @@ class Promise;
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class GamepadManager;
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class Navigator;
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class VRDisplay;
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class VREventObserver;
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} // namespace dom
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namespace layers {
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class SyncObjectClient;
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@ -31,6 +30,21 @@ namespace gfx {
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class VRLayerChild;
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class VRDisplayClient;
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class VRManagerEventObserver {
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public:
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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virtual void NotifyVRDisplayMounted(uint32_t aDisplayID) = 0;
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virtual void NotifyVRDisplayUnmounted(uint32_t aDisplayID) = 0;
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virtual void NotifyVRDisplayConnect(uint32_t aDisplayID) = 0;
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virtual void NotifyVRDisplayDisconnect(uint32_t aDisplayID) = 0;
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virtual void NotifyVRDisplayPresentChange(uint32_t aDisplayID) = 0;
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virtual void NotifyPresentationGenerationChanged(uint32_t aDisplayID) = 0;
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virtual bool GetStopActivityStatus() const = 0;
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protected:
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virtual ~VRManagerEventObserver() = default;
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};
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class VRManagerChild : public PVRManagerChild {
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friend class PVRManagerChild;
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@ -40,9 +54,9 @@ class VRManagerChild : public PVRManagerChild {
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static VRManagerChild* Get();
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// Indicate that an observer wants to receive VR events.
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void AddListener(dom::VREventObserver* aObserver);
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void AddListener(VRManagerEventObserver* aObserver);
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// Indicate that an observer should no longer receive VR events.
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void RemoveListener(dom::VREventObserver* aObserver);
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void RemoveListener(VRManagerEventObserver* aObserver);
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void StartActivity();
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void StopActivity();
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@ -80,7 +94,7 @@ class VRManagerChild : public PVRManagerChild {
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void FireDOMVRDisplayConnectEvent(uint32_t aDisplayID);
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void FireDOMVRDisplayDisconnectEvent(uint32_t aDisplayID);
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void FireDOMVRDisplayPresentChangeEvent(uint32_t aDisplayID);
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void FireDOMVRDisplayConnectEventsForLoad(dom::VREventObserver* aObserver);
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void FireDOMVRDisplayConnectEventsForLoad(VRManagerEventObserver* aObserver);
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virtual void HandleFatalError(const char* aMsg) const override;
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@ -120,7 +134,7 @@ class VRManagerChild : public PVRManagerChild {
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void FireDOMVRDisplayDisconnectEventInternal(uint32_t aDisplayID);
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void FireDOMVRDisplayPresentChangeEventInternal(uint32_t aDisplayID);
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void FireDOMVRDisplayConnectEventsForLoadInternal(
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uint32_t aDisplayID, dom::VREventObserver* aObserver);
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uint32_t aDisplayID, VRManagerEventObserver* aObserver);
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void NotifyPresentationGenerationChangedInternal(uint32_t aDisplayID);
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nsTArray<RefPtr<VRDisplayClient>> mDisplays;
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@ -138,7 +152,7 @@ class VRManagerChild : public PVRManagerChild {
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int32_t mFrameRequestCallbackCounter;
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mozilla::TimeStamp mStartTimeStamp;
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nsTArray<RefPtr<dom::VREventObserver>> mListeners;
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nsTArray<RefPtr<VRManagerEventObserver>> mListeners;
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layers::LayersBackend mBackend;
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RefPtr<layers::SyncObjectClient> mSyncObject;
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