diff options
Diffstat (limited to 'chromium/content/common/device_sensors/device_motion_messages.h')
| -rw-r--r-- | chromium/content/common/device_sensors/device_motion_messages.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/chromium/content/common/device_sensors/device_motion_messages.h b/chromium/content/common/device_sensors/device_motion_messages.h new file mode 100644 index 00000000000..4b17d1024dc --- /dev/null +++ b/chromium/content/common/device_sensors/device_motion_messages.h @@ -0,0 +1,28 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// IPC messages for device motion. +// Multiply-included message file, hence no include guard. + +#include "base/memory/shared_memory.h" +#include "ipc/ipc_message_macros.h" +#include "ipc/ipc_param_traits.h" +#include "ipc/ipc_platform_file.h" + +#define IPC_MESSAGE_START DeviceMotionMsgStart + +// Asks the browser process to activate Device Motion sensors if necessary. +IPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StartPolling) + +// The browser process asynchronously returns the shared memory handle that will +// hold the data from the hardware sensors. +// See device_motion_hardware_buffer.h for a description of how +// synchronization is handled. +IPC_MESSAGE_CONTROL1(DeviceMotionMsg_DidStartPolling, + base::SharedMemoryHandle /* handle */) + +// Notifies the browser process that the renderer process is not using the +// Device Motion data anymore. The number of Starts should match the number +// of Stops. +IPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StopPolling) |