10529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// IPC messages for device motion. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Multiply-included message file, hence no include guard. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 87dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "base/memory/shared_memory.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_message_macros.h" 107dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "ipc/ipc_param_traits.h" 117dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "ipc/ipc_platform_file.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define IPC_MESSAGE_START DeviceMotionMsgStart 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Asks the browser process to activate Device Motion sensors if necessary. 167dbb3d5cf0c15f500944d211057644d6a2f37371Ben MurdochIPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StartPolling) 171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 181e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// The browser process asynchronously returns the shared memory handle that will 191e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// hold the data from the hardware sensors. 201e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// See device_motion_hardware_buffer.h for a description of how 211e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// synchronization is handled. 227dbb3d5cf0c15f500944d211057644d6a2f37371Ben MurdochIPC_MESSAGE_CONTROL1(DeviceMotionMsg_DidStartPolling, 237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch base::SharedMemoryHandle /* handle */) 247dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 251e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Notifies the browser process that the renderer process is not using the 261e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Device Motion data anymore. The number of Starts should match the number 271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// of Stops. 287dbb3d5cf0c15f500944d211057644d6a2f37371Ben MurdochIPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StopPolling) 29