3 files changed, 241 insertions, 0 deletions
diff --git a/hal/android/AndroidHal.cpp b/hal/android/AndroidHal.cpp
new file mode 100644
index 0000000000..77ecf64593
--- /dev/null
+++ b/hal/android/AndroidHal.cpp
@@ -0,0 +1,156 @@
+/* -*- 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 "nsIScreenManager.h"
+#include "nsPIDOMWindow.h"
+#include "nsServiceManagerUtils.h"
+
+using namespace mozilla::dom;
+using namespace mozilla::hal;
+
+namespace java = mozilla::java;
+
+namespace mozilla {
+namespace 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);
+}
+
+void EnableScreenConfigurationNotifications() {
+  java::GeckoAppShell::EnableScreenOrientationNotifications();
+}
+
+void DisableScreenConfigurationNotifications() {
+  java::GeckoAppShell::DisableScreenOrientationNotifications();
+}
+
+void GetCurrentScreenConfiguration(ScreenConfiguration* aScreenConfiguration) {
+  AndroidBridge* bridge = AndroidBridge::Bridge();
+  if (!bridge) {
+    return;
+  }
+
+  nsresult rv;
+  nsCOMPtr<nsIScreenManager> screenMgr =
+      do_GetService("@mozilla.org/gfx/screenmanager;1", &rv);
+  if (NS_FAILED(rv)) {
+    NS_ERROR("Can't find nsIScreenManager!");
+    return;
+  }
+
+  int32_t colorDepth, pixelDepth;
+  int16_t angle;
+  hal::ScreenOrientation orientation;
+  nsCOMPtr<nsIScreen> screen;
+
+  int32_t rectX, rectY, rectWidth, rectHeight;
+
+  screenMgr->GetPrimaryScreen(getter_AddRefs(screen));
+
+  screen->GetRect(&rectX, &rectY, &rectWidth, &rectHeight);
+  screen->GetColorDepth(&colorDepth);
+  screen->GetPixelDepth(&pixelDepth);
+  orientation =
+      static_cast<hal::ScreenOrientation>(bridge->GetScreenOrientation());
+  angle = bridge->GetScreenAngle();
+
+  *aScreenConfiguration =
+      hal::ScreenConfiguration(nsIntRect(rectX, rectY, rectWidth, rectHeight),
+                               orientation, angle, colorDepth, pixelDepth);
+}
+
+bool LockScreenOrientation(const hal::ScreenOrientation& aOrientation) {
+  // Force the default orientation to be portrait-primary.
+  hal::ScreenOrientation orientation =
+      aOrientation == eScreenOrientation_Default
+          ? eScreenOrientation_PortraitPrimary
+          : aOrientation;
+
+  switch (orientation) {
+    // The Android backend only supports these orientations.
+    case eScreenOrientation_PortraitPrimary:
+    case eScreenOrientation_PortraitSecondary:
+    case eScreenOrientation_PortraitPrimary |
+        eScreenOrientation_PortraitSecondary:
+    case eScreenOrientation_LandscapePrimary:
+    case eScreenOrientation_LandscapeSecondary:
+    case eScreenOrientation_LandscapePrimary |
+        eScreenOrientation_LandscapeSecondary:
+    case eScreenOrientation_Default:
+      java::GeckoAppShell::LockScreenOrientation(orientation);
+      return true;
+    default:
+      return false;
+  }
+}
+
+void UnlockScreenOrientation() {
+  java::GeckoAppShell::UnlockScreenOrientation();
+}
+
+}  // namespace hal_impl
+}  // namespace mozilla
diff --git a/hal/android/AndroidProcessPriority.cpp b/hal/android/AndroidProcessPriority.cpp
new file mode 100644
index 0000000000..3bd145cef9
--- /dev/null
+++ b/hal/android/AndroidProcessPriority.cpp
@@ -0,0 +1,62 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#include "Hal.h"
+
+#include "mozilla/java/GeckoProcessManagerWrappers.h"
+#include "mozilla/java/GeckoProcessTypeWrappers.h"
+#include "mozilla/java/ServiceAllocatorWrappers.h"
+
+/**
+ * Bucket the Gecko HAL process priority level into one of the three Android
+ * priority levels.
+ */
+static mozilla::java::ServiceAllocator::PriorityLevel::LocalRef
+ToJavaPriorityLevel(const ProcessPriority aPriority) {
+  if (aPriority >= PROCESS_PRIORITY_FOREGROUND) {
+    return mozilla::java::ServiceAllocator::PriorityLevel::FOREGROUND();
+  } else if (aPriority <= PROCESS_PRIORITY_PREALLOC &&
+             aPriority >= PROCESS_PRIORITY_BACKGROUND_PERCEIVABLE) {
+    return mozilla::java::ServiceAllocator::PriorityLevel::BACKGROUND();
+  }
+
+  return mozilla::java::ServiceAllocator::PriorityLevel::IDLE();
+}
+
+namespace mozilla {
+namespace hal_impl {
+
+bool SetProcessPrioritySupported() { return true; }
+
+void SetProcessPriority(int aPid, ProcessPriority aPriority) {
+  if (aPriority == PROCESS_PRIORITY_PARENT_PROCESS) {
+    // This is the parent process itself, which we do not control.
+    return;
+  }
+
+  const int32_t intPriority = static_cast<int32_t>(aPriority);
+  if (intPriority < 0 || intPriority >= NUM_PROCESS_PRIORITY) {
+    return;
+  }
+
+  auto contentProcType = java::GeckoProcessType::CONTENT();
+  auto selector =
+      java::GeckoProcessManager::Selector::New(contentProcType, aPid);
+  auto priorityLevel = ToJavaPriorityLevel(aPriority);
+
+  // To Android, a lower-valued integer is a higher relative priority.
+  // We take the integer value of the enum and subtract it from the value
+  // of the highest Gecko priority level to obtain a 0-based indicator of
+  // the relative priority within the Java PriorityLevel.
+  const int32_t relativeImportance =
+      (static_cast<int32_t>(NUM_PROCESS_PRIORITY) - 1) - intPriority;
+
+  java::GeckoProcessManager::SetProcessPriority(selector, priorityLevel,
+                                                relativeImportance);
+}
+
+}  // namespace hal_impl
+}  // namespace mozilla
diff --git a/hal/android/AndroidSensor.cpp b/hal/android/AndroidSensor.cpp
new file mode 100644
index 0000000000..59db64a1d3
--- /dev/null
+++ b/hal/android/AndroidSensor.cpp
@@ -0,0 +1,23 @@
+/* -*- 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 "mozilla/java/GeckoAppShellWrappers.h"
+
+using namespace mozilla::hal;
+
+namespace mozilla {
+namespace hal_impl {
+
+void EnableSensorNotifications(SensorType aSensor) {
+  java::GeckoAppShell::EnableSensor(aSensor);
+}
+
+void DisableSensorNotifications(SensorType aSensor) {
+  java::GeckoAppShell::DisableSensor(aSensor);
+}
+
+}  // namespace hal_impl
+}  // namespace mozilla