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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // IPC messages for device orientation. | 5 // IPC messages for device orientation. |
| 6 // Multiply-included message file, hence no include guard. | 6 // Multiply-included message file, hence no include guard. |
| 7 | 7 |
| 8 #include "base/memory/shared_memory.h" | 8 #include "base/memory/shared_memory.h" |
| 9 #include "ipc/ipc_message_macros.h" | 9 #include "ipc/ipc_message_macros.h" |
| 10 | 10 |
| 11 #define IPC_MESSAGE_START DeviceOrientationMsgStart | 11 #define IPC_MESSAGE_START DeviceOrientationMsgStart |
| 12 | 12 |
| 13 // Asks the browser process to activate Device Orientation sensors if necessary. | 13 // Asks the browser process to activate Device Orientation sensors if necessary. |
| 14 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StartPolling) | 14 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StartPolling) |
| 15 | 15 |
| 16 // The browser process asynchronously returns the shared memory handle that will | 16 // The browser process asynchronously returns the shared memory handle that will |
| 17 // hold the data from the hardware sensors. | 17 // hold the data from the hardware sensors. |
| 18 // See device_orientation_hardware_buffer.h for a description of how | 18 // See device_orientation_hardware_buffer.h for a description of how |
| 19 // synchronization is handled. | 19 // synchronization is handled. |
| 20 IPC_MESSAGE_CONTROL1(DeviceOrientationMsg_DidStartPolling, | 20 IPC_MESSAGE_CONTROL1(DeviceOrientationMsg_DidStartPolling, |
| 21 base::SharedMemoryHandle /* handle */) | 21 base::SharedMemoryHandle /* handle */) |
| 22 | 22 |
| 23 // Notifies the browser process that the renderer process is not using the | 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 | 24 // Device Orientation data anymore. The number of Starts should match the |
| 25 // number of Stops. | 25 // number of Stops. |
| 26 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StopPolling) | 26 IPC_MESSAGE_CONTROL0(DeviceOrientationHostMsg_StopPolling) |
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