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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. | |
16 IPC_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. | |
20 IPC_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. | |
26 IPC_MESSAGE_CONTROL0(DeviceLightHostMsg_StopPolling) | |
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