Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 193 insertions, 0 deletions

diff --git a/dom/gamepad/Gamepad.cpp b/dom/gamepad/Gamepad.cpp
new file mode 100644
index 0000000000..aaeafecc07
--- /dev/null
+++ b/dom/gamepad/Gamepad.cpp
@@ -0,0 +1,193 @@
+/* -*- 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 "Gamepad.h"
+#include "nsPIDOMWindow.h"
+#include "nsTArray.h"
+#include "nsVariant.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/dom/GamepadBinding.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Gamepad)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Gamepad)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Gamepad)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Gamepad, mParent, mButtons, mPose,
+                                      mHapticActuators, mLightIndicators,
+                                      mTouchEvents)
+
+void Gamepad::UpdateTimestamp() {
+  nsCOMPtr<nsPIDOMWindowInner> newWindow(do_QueryInterface(mParent));
+  if (newWindow) {
+    Performance* perf = newWindow->GetPerformance();
+    if (perf) {
+      mTimestamp = perf->Now();
+    }
+  }
+}
+
+Gamepad::Gamepad(nsISupports* aParent, const nsAString& aID, int32_t aIndex,
+                 GamepadHandle aHandle, GamepadMappingType aMapping,
+                 GamepadHand aHand, uint32_t aDisplayID, uint32_t aNumButtons,
+                 uint32_t aNumAxes, uint32_t aNumHaptics,
+                 uint32_t aNumLightIndicator, uint32_t aNumTouchEvents)
+    : mParent(aParent),
+      mID(aID),
+      mIndex(aIndex),
+      mHandle(aHandle),
+      mDisplayId(aDisplayID),
+      mTouchIdHashValue(0),
+      mMapping(aMapping),
+      mHand(aHand),
+      mConnected(true),
+      mButtons(aNumButtons),
+      mAxes(aNumAxes),
+      mTimestamp(0) {
+  for (unsigned i = 0; i < aNumButtons; i++) {
+    mButtons.InsertElementAt(i, new GamepadButton(mParent));
+  }
+  mAxes.InsertElementsAt(0, aNumAxes, 0.0f);
+  mPose = new GamepadPose(aParent);
+  for (uint32_t i = 0; i < aNumHaptics; ++i) {
+    mHapticActuators.AppendElement(
+        new GamepadHapticActuator(mParent, mHandle, i));
+  }
+  for (uint32_t i = 0; i < aNumLightIndicator; ++i) {
+    mLightIndicators.AppendElement(
+        new GamepadLightIndicator(mParent, mHandle, i));
+  }
+  for (uint32_t i = 0; i < aNumTouchEvents; ++i) {
+    mTouchEvents.AppendElement(new GamepadTouch(mParent));
+  }
+
+  // Mapping touchId(0) to touchIdHash(0) by default.
+  mTouchIdHash.Put(0, mTouchIdHashValue);
+  ++mTouchIdHashValue;
+  UpdateTimestamp();
+}
+
+void Gamepad::SetIndex(int32_t aIndex) { mIndex = aIndex; }
+
+void Gamepad::SetConnected(bool aConnected) { mConnected = aConnected; }
+
+void Gamepad::SetButton(uint32_t aButton, bool aPressed, bool aTouched,
+                        double aValue) {
+  MOZ_ASSERT(aButton < mButtons.Length());
+  mButtons[aButton]->SetPressed(aPressed);
+  mButtons[aButton]->SetTouched(aTouched);
+  mButtons[aButton]->SetValue(aValue);
+  UpdateTimestamp();
+}
+
+void Gamepad::SetAxis(uint32_t aAxis, double aValue) {
+  MOZ_ASSERT(aAxis < mAxes.Length());
+  if (mAxes[aAxis] != aValue) {
+    mAxes[aAxis] = aValue;
+    Gamepad_Binding::ClearCachedAxesValue(this);
+  }
+  UpdateTimestamp();
+}
+
+void Gamepad::SetPose(const GamepadPoseState& aPose) {
+  mPose->SetPoseState(aPose);
+  UpdateTimestamp();
+}
+
+void Gamepad::SetLightIndicatorType(uint32_t aLightIndex,
+                                    GamepadLightIndicatorType aType) {
+  mLightIndicators[aLightIndex]->SetType(aType);
+  UpdateTimestamp();
+}
+
+void Gamepad::SetTouchEvent(uint32_t aTouchIndex,
+                            const GamepadTouchState& aTouch) {
+  if (aTouchIndex >= mTouchEvents.Length()) {
+    MOZ_CRASH("Touch index exceeds the event array.");
+    return;
+  }
+
+  // Handling cross-origin tracking.
+  GamepadTouchState touchState(aTouch);
+  if (auto hashValue = mTouchIdHash.GetValue(touchState.touchId)) {
+    touchState.touchId = *hashValue;
+  } else {
+    touchState.touchId = mTouchIdHashValue;
+    mTouchIdHash.Put(aTouch.touchId, mTouchIdHashValue);
+    ++mTouchIdHashValue;
+  }
+  mTouchEvents[aTouchIndex]->SetTouchState(touchState);
+  UpdateTimestamp();
+}
+
+void Gamepad::SetHand(GamepadHand aHand) { mHand = aHand; }
+
+void Gamepad::SyncState(Gamepad* aOther) {
+  if (mButtons.Length() != aOther->mButtons.Length() ||
+      mAxes.Length() != aOther->mAxes.Length()) {
+    return;
+  }
+
+  mConnected = aOther->mConnected;
+  for (uint32_t i = 0; i < mButtons.Length(); ++i) {
+    mButtons[i]->SetPressed(aOther->mButtons[i]->Pressed());
+    mButtons[i]->SetTouched(aOther->mButtons[i]->Touched());
+    mButtons[i]->SetValue(aOther->mButtons[i]->Value());
+  }
+
+  bool changed = false;
+  for (uint32_t i = 0; i < mAxes.Length(); ++i) {
+    changed = changed || (mAxes[i] != aOther->mAxes[i]);
+    mAxes[i] = aOther->mAxes[i];
+  }
+  if (changed) {
+    Gamepad_Binding::ClearCachedAxesValue(this);
+  }
+
+  if (StaticPrefs::dom_gamepad_extensions_enabled()) {
+    MOZ_ASSERT(aOther->GetPose());
+    mPose->SetPoseState(aOther->GetPose()->GetPoseState());
+    mHand = aOther->Hand();
+    for (uint32_t i = 0; i < mHapticActuators.Length(); ++i) {
+      mHapticActuators[i]->Set(aOther->mHapticActuators[i]);
+    }
+
+    if (StaticPrefs::dom_gamepad_extensions_lightindicator()) {
+      for (uint32_t i = 0; i < mLightIndicators.Length(); ++i) {
+        mLightIndicators[i]->Set(aOther->mLightIndicators[i]);
+      }
+    }
+    if (StaticPrefs::dom_gamepad_extensions_multitouch()) {
+      for (uint32_t i = 0; i < mTouchEvents.Length(); ++i) {
+        mTouchEvents[i]->Set(aOther->mTouchEvents[i]);
+      }
+    }
+  }
+
+  UpdateTimestamp();
+}
+
+already_AddRefed<Gamepad> Gamepad::Clone(nsISupports* aParent) {
+  RefPtr<Gamepad> out =
+      new Gamepad(aParent, mID, mIndex, mHandle, mMapping, mHand, mDisplayId,
+                  mButtons.Length(), mAxes.Length(), mHapticActuators.Length(),
+                  mLightIndicators.Length(), mTouchEvents.Length());
+  out->SyncState(this);
+  return out.forget();
+}
+
+/* virtual */
+JSObject* Gamepad::WrapObject(JSContext* aCx,
+                              JS::Handle<JSObject*> aGivenProto) {
+  return Gamepad_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom