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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/vr/XRInputSourceArray.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--dom/vr/XRInputSourceArray.cpp167
1 files changed, 167 insertions, 0 deletions
diff --git a/dom/vr/XRInputSourceArray.cpp b/dom/vr/XRInputSourceArray.cpp
new file mode 100644
index 0000000000..2cc2c4537a
--- /dev/null
+++ b/dom/vr/XRInputSourceArray.cpp
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/XRInputSourceArray.h"
+#include "mozilla/dom/XRSession.h"
+#include "mozilla/dom/XRInputSourcesChangeEvent.h"
+#include "VRDisplayClient.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(XRInputSourceArray, mParent,
+ mInputSources)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(XRInputSourceArray)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(XRInputSourceArray)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(XRInputSourceArray)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+XRInputSourceArray::XRInputSourceArray(nsISupports* aParent)
+ : mParent(aParent) {}
+
+JSObject* XRInputSourceArray::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return XRInputSourceArray_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void XRInputSourceArray::Update(XRSession* aSession) {
+ MOZ_ASSERT(aSession);
+
+ gfx::VRDisplayClient* displayClient = aSession->GetDisplayClient();
+ if (!displayClient) {
+ return;
+ }
+
+ XRInputSourcesChangeEventInit addInit;
+ nsTArray<RefPtr<XRInputSource>> removedInputs;
+ if (NS_WARN_IF(!addInit.mAdded.SetCapacity(gfx::kVRControllerMaxCount,
+ mozilla::fallible))) {
+ MOZ_ASSERT(false,
+ "'add' sequence in XRInputSourcesChangeEventInit SetCapacity() "
+ "failed.");
+ return;
+ }
+
+ for (int32_t i = 0; i < gfx::kVRControllerMaxCount; ++i) {
+ const gfx::VRControllerState& controllerState =
+ displayClient->GetDisplayInfo().mControllerState[i];
+ if (controllerState.controllerName[0] == '\0') {
+ // Checking if exising controllers need to be removed.
+ for (auto& input : mInputSources) {
+ if (input->GetIndex() == i) {
+ removedInputs.AppendElement(input);
+ break;
+ }
+ }
+ continue;
+ }
+
+ bool found = false;
+ RefPtr<XRInputSource> inputSource = nullptr;
+ for (auto& input : mInputSources) {
+ if (input->GetIndex() == i) {
+ found = true;
+ inputSource = input;
+ break;
+ }
+ }
+ // Checking if it is added before.
+ if (!found &&
+ (controllerState.numButtons > 0 || controllerState.numAxes > 0)) {
+ inputSource = new XRInputSource(mParent);
+ inputSource->Setup(aSession, i);
+ mInputSources.AppendElement(inputSource);
+
+ addInit.mBubbles = false;
+ addInit.mCancelable = false;
+ addInit.mSession = aSession;
+ if (!addInit.mAdded.AppendElement(*inputSource, mozilla::fallible)) {
+ MOZ_ASSERT(false,
+ "'add' sequence in XRInputSourcesChangeEventInit "
+ "AppendElement() failed, it might be due to the"
+ "wrong size when SetCapacity().");
+ }
+ }
+ // If added, updating the current controller states.
+ if (inputSource) {
+ inputSource->Update(aSession);
+ }
+ }
+
+ // Send `inputsourceschange` for new controllers.
+ if (addInit.mAdded.Length()) {
+ RefPtr<XRInputSourcesChangeEvent> event =
+ XRInputSourcesChangeEvent::Constructor(
+ aSession, u"inputsourceschange"_ns, addInit);
+
+ event->SetTrusted(true);
+ aSession->DispatchEvent(*event);
+ }
+
+ // If there's a controller is removed, dispatch `inputsourceschange`.
+ if (removedInputs.Length()) {
+ DispatchInputSourceRemovedEvent(removedInputs, aSession);
+ }
+ for (auto& input : removedInputs) {
+ mInputSources.RemoveElement(input);
+ }
+}
+
+void XRInputSourceArray::DispatchInputSourceRemovedEvent(
+ const nsTArray<RefPtr<XRInputSource>>& aInputs, XRSession* aSession) {
+ if (!aSession) {
+ return;
+ }
+
+ XRInputSourcesChangeEventInit init;
+ if (NS_WARN_IF(
+ !init.mRemoved.SetCapacity(aInputs.Length(), mozilla::fallible))) {
+ MOZ_ASSERT(false,
+ "'removed' sequence in XRInputSourcesChangeEventInit "
+ "SetCapacity() failed.");
+ return;
+ }
+ for (const auto& input : aInputs) {
+ input->SetGamepadIsConnected(false, aSession);
+ init.mBubbles = false;
+ init.mCancelable = false;
+ init.mSession = aSession;
+ if (!init.mRemoved.AppendElement(*input, mozilla::fallible)) {
+ MOZ_ASSERT(false,
+ "'removed' sequence in XRInputSourcesChangeEventInit "
+ "AppendElement() failed, it might be due to the"
+ "wrong size when SetCapacity().");
+ }
+ }
+
+ if (init.mRemoved.Length()) {
+ RefPtr<XRInputSourcesChangeEvent> event =
+ XRInputSourcesChangeEvent::Constructor(aSession,
+ u"inputsourceschange"_ns, init);
+
+ event->SetTrusted(true);
+ aSession->DispatchEvent(*event);
+ }
+}
+
+void XRInputSourceArray::Clear(XRSession* aSession) {
+ DispatchInputSourceRemovedEvent(mInputSources, aSession);
+ mInputSources.Clear();
+}
+
+uint32_t XRInputSourceArray::Length() { return mInputSources.Length(); }
+
+XRInputSource* XRInputSourceArray::IndexedGetter(uint32_t aIndex,
+ bool& aFound) {
+ aFound = aIndex < mInputSources.Length();
+ if (!aFound) {
+ return nullptr;
+ }
+ return mInputSources[aIndex];
+}
+
+} // namespace mozilla::dom