1 files changed, 84 insertions, 0 deletions
diff --git a/dom/gamepad/android/AndroidGamepad.cpp b/dom/gamepad/android/AndroidGamepad.cpp
new file mode 100644
index 000000000..706d02617
--- /dev/null
+++ b/dom/gamepad/android/AndroidGamepad.cpp
@@ -0,0 +1,84 @@
+/* -*- 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 "GeneratedJNIWrappers.h"
+#include "GeneratedJNINatives.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+namespace dom {
+
+class AndroidGamepadManager final
+  : public java::AndroidGamepadManager::Natives<AndroidGamepadManager>
+{
+  AndroidGamepadManager() = delete;
+
+public:
+  static void
+  OnGamepadChange(int32_t aID, bool aAdded)
+  {
+    RefPtr<GamepadPlatformService> service =
+        GamepadPlatformService::GetParentService();
+    if (!service) {
+      return;
+    }
+
+    if (aAdded) {
+      const int svc_id = service->AddGamepad(
+          "android", GamepadMappingType::Standard,
+          kStandardGamepadButtons, kStandardGamepadAxes);
+      java::AndroidGamepadManager::OnGamepadAdded(aID, svc_id);
+
+    } else {
+      service->RemoveGamepad(aID);
+    }
+  }
+
+  static void
+  OnButtonChange(int32_t aID, int32_t aButton, bool aPressed, float aValue)
+  {
+    RefPtr<GamepadPlatformService> service =
+        GamepadPlatformService::GetParentService();
+    if (!service) {
+      return;
+    }
+
+    service->NewButtonEvent(aID, aButton, aPressed, aValue);
+  }
+
+  static void
+  OnAxisChange(int32_t aID, jni::BooleanArray::Param aValid,
+               jni::FloatArray::Param aValues)
+  {
+    RefPtr<GamepadPlatformService> service =
+        GamepadPlatformService::GetParentService();
+    if (!service) {
+      return;
+    }
+
+    const auto& valid = aValid->GetElements();
+    const auto& values = aValues->GetElements();
+    MOZ_ASSERT(valid.Length() == values.Length());
+
+    for (size_t i = 0; i < values.Length(); i++) {
+      service->NewAxisMoveEvent(aID, i, values[i]);
+    }
+  }
+};
+
+void StartGamepadMonitoring()
+{
+  AndroidGamepadManager::Init();
+  java::AndroidGamepadManager::Start();
+}
+
+void StopGamepadMonitoring()
+{
+  java::AndroidGamepadManager::Stop();
+}
+
+} // namespace dom
+} // namespace mozilla