content/common/device_sensors/device_orientation_messages.h - Issue 1164563003: Extract device_sensors to /device via Mojofication

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Side by Side Diff: content/common/device_sensors/device_orientation_messages.h

Issue 1164563003: Extract device_sensors to /device via Mojofication (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 6 months ago

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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 orientation.

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

11 #define IPC_MESSAGE_START DeviceOrientationMsgStart

12

13 // Asks the browser process to activate Device Orientation sensors if necessary.

14 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StartPolling)

15

16 // The browser process asynchronously returns the shared memory handle that will

17 // hold the data from the hardware sensors.

18 // See device_orientation_hardware_buffer.h for a description of how

19 // synchronization is handled.

20 IPC_MESSAGE_CONTROL1(DeviceOrientationMsg_DidStartPolling,

21 base::SharedMemoryHandle /* handle */)

22

23 // Notifies the browser process that the renderer process is not using the

24 // Device Orientation data anymore. The number of Starts should match the

25 // number of Stops.

26 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StopPolling)

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