1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// IPC messages for device light. 6// Multiply-included message file, hence no include guard. 7 8#include "base/memory/shared_memory.h" 9#include "ipc/ipc_message_macros.h" 10#include "ipc/ipc_param_traits.h" 11#include "ipc/ipc_platform_file.h" 12 13#define IPC_MESSAGE_START DeviceLightMsgStart 14 15// Asks the browser process to activate Device Light sensors if necessary. 16IPC_MESSAGE_CONTROL0(DeviceLightHostMsg_StartPolling) 17 18// The browser process asynchronously returns the shared memory handle that 19// will hold the data from the hardware sensors. 20IPC_MESSAGE_CONTROL1(DeviceLightMsg_DidStartPolling, 21 base::SharedMemoryHandle /* handle */) 22 23// Notifies the browser process that the renderer process is not using the 24// Device Light data anymore. The number of Starts should match the number 25// of Stops. 26IPC_MESSAGE_CONTROL0(DeviceLightHostMsg_StopPolling) 27