1 files changed, 177 insertions, 0 deletions
diff --git a/hal/HalTypes.h b/hal/HalTypes.h
new file mode 100644
index 000000000..5f0ad3ff7
--- /dev/null
+++ b/hal/HalTypes.h
@@ -0,0 +1,177 @@
+/* -*- 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/. */
+
+#ifndef mozilla_hal_Types_h
+#define mozilla_hal_Types_h
+
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/Observer.h"
+
+namespace mozilla {
+namespace hal {
+
+/**
+ * These constants specify special values for content process IDs.  You can get
+ * a content process ID by calling ContentChild::GetID() or
+ * ContentParent::GetChildID().
+ */
+const uint64_t CONTENT_PROCESS_ID_UNKNOWN = uint64_t(-1);
+const uint64_t CONTENT_PROCESS_ID_MAIN = 0;
+
+/**
+ * These are defined by libhardware, specifically, hardware/libhardware/include/hardware/lights.h
+ * in the gonk subsystem.
+ * If these change and are exposed to JS, make sure nsIHal.idl is updated as well.
+ */
+enum ShutdownMode {
+  eHalShutdownMode_Unknown  = -1,
+  eHalShutdownMode_PowerOff = 0,
+  eHalShutdownMode_Reboot   = 1,
+  eHalShutdownMode_Restart  = 2,
+  eHalShutdownMode_Count    = 3
+};
+
+class SwitchEvent;
+
+enum SwitchDevice {
+  SWITCH_DEVICE_UNKNOWN = -1,
+  SWITCH_HEADPHONES,
+  SWITCH_USB,
+  NUM_SWITCH_DEVICE
+};
+
+enum SwitchState {
+  SWITCH_STATE_UNKNOWN = -1,
+  SWITCH_STATE_ON,
+  SWITCH_STATE_OFF,
+  SWITCH_STATE_HEADSET,          // Headphone with microphone
+  SWITCH_STATE_HEADPHONE,        // without microphone
+  NUM_SWITCH_STATE
+};
+
+typedef Observer<SwitchEvent> SwitchObserver;
+
+// Note that we rely on the order of this enum's entries.  Higher priorities
+// should have larger int values.
+enum ProcessPriority {
+  PROCESS_PRIORITY_UNKNOWN = -1,
+  PROCESS_PRIORITY_BACKGROUND,
+  PROCESS_PRIORITY_BACKGROUND_PERCEIVABLE,
+  PROCESS_PRIORITY_FOREGROUND_KEYBOARD,
+  // The special class for the preallocated process, high memory priority but
+  // low CPU priority.
+  PROCESS_PRIORITY_PREALLOC,
+  // Any priority greater than or equal to FOREGROUND is considered
+  // "foreground" for the purposes of priority testing, for example
+  // CurrentProcessIsForeground().
+  PROCESS_PRIORITY_FOREGROUND,
+  PROCESS_PRIORITY_FOREGROUND_HIGH,
+  PROCESS_PRIORITY_MASTER,
+  NUM_PROCESS_PRIORITY
+};
+
+/**
+ * Values that can be passed to hal::SetCurrentThreadPriority().  These should be
+ * functional in nature, such as COMPOSITOR, instead of levels, like LOW/HIGH.
+ * This allows us to tune our priority scheme for the system in one place such
+ * that it makes sense holistically for the overall operating system.  On gonk
+ * or android we may want different priority schemes than on windows, etc.
+ */
+enum ThreadPriority {
+  THREAD_PRIORITY_COMPOSITOR,
+  NUM_THREAD_PRIORITY
+};
+
+/**
+ * Convert a ProcessPriority enum value to a string.  The strings returned by
+ * this function are statically allocated; do not attempt to free one!
+ *
+ * If you pass an unknown process priority, we fatally assert in debug
+ * builds and otherwise return "???".
+ */
+const char*
+ProcessPriorityToString(ProcessPriority aPriority);
+
+/**
+ * Convert a ThreadPriority enum value to a string.  The strings returned by
+ * this function are statically allocated; do not attempt to free one!
+ *
+ * If you pass an unknown process priority, we assert in debug builds
+ * and otherwise return "???".
+ */
+const char *
+ThreadPriorityToString(ThreadPriority aPriority);
+
+/**
+ * Used by ModifyWakeLock
+ */
+enum WakeLockControl {
+  WAKE_LOCK_REMOVE_ONE = -1,
+  WAKE_LOCK_NO_CHANGE  = 0,
+  WAKE_LOCK_ADD_ONE    = 1,
+  NUM_WAKE_LOCK
+};
+
+} // namespace hal
+} // namespace mozilla
+
+namespace IPC {
+
+/**
+ * Serializer for ShutdownMode.
+ */
+template <>
+struct ParamTraits<mozilla::hal::ShutdownMode>
+  : public ContiguousEnumSerializer<
+             mozilla::hal::ShutdownMode,
+             mozilla::hal::eHalShutdownMode_Unknown,
+             mozilla::hal::eHalShutdownMode_Count>
+{};
+
+/**
+ * WakeLockControl serializer.
+ */
+template <>
+struct ParamTraits<mozilla::hal::WakeLockControl>
+  : public ContiguousEnumSerializer<
+             mozilla::hal::WakeLockControl,
+             mozilla::hal::WAKE_LOCK_REMOVE_ONE,
+             mozilla::hal::NUM_WAKE_LOCK>
+{};
+
+/**
+ * Serializer for SwitchState
+ */
+template <>
+struct ParamTraits<mozilla::hal::SwitchState>:
+  public ContiguousEnumSerializer<
+           mozilla::hal::SwitchState,
+           mozilla::hal::SWITCH_STATE_UNKNOWN,
+           mozilla::hal::NUM_SWITCH_STATE> {
+};
+
+/**
+ * Serializer for SwitchDevice
+ */
+template <>
+struct ParamTraits<mozilla::hal::SwitchDevice>:
+  public ContiguousEnumSerializer<
+           mozilla::hal::SwitchDevice,
+           mozilla::hal::SWITCH_DEVICE_UNKNOWN,
+           mozilla::hal::NUM_SWITCH_DEVICE> {
+};
+
+template <>
+struct ParamTraits<mozilla::hal::ProcessPriority>:
+  public ContiguousEnumSerializer<
+           mozilla::hal::ProcessPriority,
+           mozilla::hal::PROCESS_PRIORITY_UNKNOWN,
+           mozilla::hal::NUM_PROCESS_PRIORITY> {
+};
+
+
+} // namespace IPC
+
+#endif // mozilla_hal_Types_h