зеркало из https://github.com/mozilla/gecko-dev.git
154 строки
4.2 KiB
C++
154 строки
4.2 KiB
C++
/* -*- 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;
|
|
|
|
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 {
|
|
|
|
/**
|
|
* 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
|