1 files changed, 158 insertions, 0 deletions
diff --git a/hal/android/AndroidHal.cpp b/hal/android/AndroidHal.cpp
new file mode 100644
index 0000000000..3a7e1bf121
--- /dev/null
+++ b/hal/android/AndroidHal.cpp
@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "Hal.h"
+#include "HalImpl.h"
+#include "WindowIdentifier.h"
+#include "AndroidBridge.h"
+#include "mozilla/dom/network/Constants.h"
+#include "mozilla/java/GeckoAppShellWrappers.h"
+#include "mozilla/java/GeckoRuntimeWrappers.h"
+#include "mozilla/widget/ScreenManager.h"
+#include "nsPIDOMWindow.h"
+
+using namespace mozilla::dom;
+using namespace mozilla::hal;
+
+namespace mozilla::hal_impl {
+
+void Vibrate(const nsTArray<uint32_t>& pattern, WindowIdentifier&&) {
+  // Ignore the WindowIdentifier parameter; it's here only because hal::Vibrate,
+  // hal_sandbox::Vibrate, and hal_impl::Vibrate all must have the same
+  // signature.
+
+  // Strangely enough, the Android Java API seems to treat vibrate([0]) as a
+  // nop.  But we want to treat vibrate([0]) like CancelVibrate!  (Note that we
+  // also need to treat vibrate([]) as a call to CancelVibrate.)
+  bool allZero = true;
+  for (uint32_t i = 0; i < pattern.Length(); i++) {
+    if (pattern[i] != 0) {
+      allZero = false;
+      break;
+    }
+  }
+
+  if (allZero) {
+    hal_impl::CancelVibrate(WindowIdentifier());
+    return;
+  }
+
+  AndroidBridge* b = AndroidBridge::Bridge();
+  if (!b) {
+    return;
+  }
+
+  b->Vibrate(pattern);
+}
+
+void CancelVibrate(WindowIdentifier&&) {
+  // Ignore WindowIdentifier parameter.
+
+  java::GeckoAppShell::CancelVibrate();
+}
+
+void EnableBatteryNotifications() {
+  java::GeckoAppShell::EnableBatteryNotifications();
+}
+
+void DisableBatteryNotifications() {
+  java::GeckoAppShell::DisableBatteryNotifications();
+}
+
+void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo) {
+  AndroidBridge::Bridge()->GetCurrentBatteryInformation(aBatteryInfo);
+}
+
+void EnableNetworkNotifications() {
+  java::GeckoAppShell::EnableNetworkNotifications();
+}
+
+void DisableNetworkNotifications() {
+  java::GeckoAppShell::DisableNetworkNotifications();
+}
+
+void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo) {
+  AndroidBridge::Bridge()->GetCurrentNetworkInformation(aNetworkInfo);
+}
+
+static bool IsSupportedScreenOrientation(hal::ScreenOrientation aOrientation) {
+  // The Android backend only supports these orientations.
+  static constexpr ScreenOrientation kSupportedOrientations[] = {
+      ScreenOrientation::PortraitPrimary,
+      ScreenOrientation::PortraitSecondary,
+      ScreenOrientation::PortraitPrimary | ScreenOrientation::PortraitSecondary,
+      ScreenOrientation::LandscapePrimary,
+      ScreenOrientation::LandscapeSecondary,
+      ScreenOrientation::LandscapePrimary |
+          ScreenOrientation::LandscapeSecondary,
+      ScreenOrientation::PortraitPrimary |
+          ScreenOrientation::PortraitSecondary |
+          ScreenOrientation::LandscapePrimary |
+          ScreenOrientation::LandscapeSecondary,
+      ScreenOrientation::Default,
+  };
+  for (auto supportedOrientation : kSupportedOrientations) {
+    if (aOrientation == supportedOrientation) {
+      return true;
+    }
+  }
+  return false;
+}
+
+RefPtr<GenericNonExclusivePromise> LockScreenOrientation(
+    const hal::ScreenOrientation& aOrientation) {
+  if (!IsSupportedScreenOrientation(aOrientation)) {
+    NS_WARNING("Unsupported screen orientation type");
+    return GenericNonExclusivePromise::CreateAndReject(
+        NS_ERROR_DOM_NOT_SUPPORTED_ERR, __func__);
+  }
+
+  java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
+  if (!runtime) {
+    return GenericNonExclusivePromise::CreateAndReject(NS_ERROR_DOM_ABORT_ERR,
+                                                       __func__);
+  }
+
+  hal::ScreenOrientation orientation = [&aOrientation]() {
+    if (aOrientation == hal::ScreenOrientation::Default) {
+      // GeckoView only supports single monitor, so get primary screen data for
+      // natural orientation.
+      RefPtr<widget::Screen> screen =
+          widget::ScreenManager::GetSingleton().GetPrimaryScreen();
+      return screen->GetDefaultOrientationType();
+    }
+    return aOrientation;
+  }();
+
+  auto result = runtime->LockScreenOrientation(uint32_t(orientation));
+  auto geckoResult = java::GeckoResult::LocalRef(std::move(result));
+  return GenericNonExclusivePromise::FromGeckoResult(geckoResult)
+      ->Then(
+          GetCurrentSerialEventTarget(), __func__,
+          [](const GenericNonExclusivePromise::ResolveOrRejectValue& aValue) {
+            if (aValue.IsResolve()) {
+              if (aValue.ResolveValue()) {
+                return GenericNonExclusivePromise::CreateAndResolve(true,
+                                                                    __func__);
+              }
+              // Delegated orientation controller returns failure for
+              // lock.
+              return GenericNonExclusivePromise::CreateAndReject(
+                  NS_ERROR_DOM_ABORT_ERR, __func__);
+            }
+            // Browser side doesn't implement orientation delegate.
+            return GenericNonExclusivePromise::CreateAndReject(
+                NS_ERROR_DOM_NOT_SUPPORTED_ERR, __func__);
+          });
+}
+
+void UnlockScreenOrientation() {
+  java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
+  if (runtime) {
+    runtime->UnlockScreenOrientation();
+  }
+}
+
+}  // namespace mozilla::hal_impl