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| 1 // Copyright (c) 2012 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 motion. | |
| 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 DeviceMotionMsgStart | |
| 14 | |
| 15 // Messages sent from the renderer to the browser. | |
| 16 | |
| 17 // Asks the browser process to start polling, and return a shared memory | |
| 18 // handles that will hold the data from the hardware. See | |
| 19 // device_motion_hardware_buffer.h for a description of how synchronization is | |
| 20 // handled. The number of Starts should match the number of Stops. | |
| 21 IPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StartPolling) | |
| 22 IPC_MESSAGE_CONTROL1(DeviceMotionMsg_DidStartPolling, | |
| 23 base::SharedMemoryHandle /* handle */) | |
| 24 | |
| 25 IPC_MESSAGE_CONTROL0(DeviceMotionHostMsg_StopPolling) | |
| 26 | |
| 27 // TODO(timvolodine): remove the methods below once the Device Motion | |
| 28 // is implemented. | |
| 29 | |
| 30 IPC_STRUCT_BEGIN(DeviceMotionMsg_Updated_Params) | |
| 31 // These fields have the same meaning as in device_motion::Motion. | |
| 32 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_x) | |
| 33 IPC_STRUCT_MEMBER(double, acceleration_x) | |
| 34 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_y) | |
| 35 IPC_STRUCT_MEMBER(double, acceleration_y) | |
| 36 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_z) | |
| 37 IPC_STRUCT_MEMBER(double, acceleration_z) | |
| 38 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_x) | |
| 39 IPC_STRUCT_MEMBER(double, acceleration_including_gravity_x) | |
| 40 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_y) | |
| 41 IPC_STRUCT_MEMBER(double, acceleration_including_gravity_y) | |
| 42 IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_z) | |
| 43 IPC_STRUCT_MEMBER(double, acceleration_including_gravity_z) | |
| 44 IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_alpha) | |
| 45 IPC_STRUCT_MEMBER(double, rotation_rate_alpha) | |
| 46 IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_beta) | |
| 47 IPC_STRUCT_MEMBER(double, rotation_rate_beta) | |
| 48 IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_gamma) | |
| 49 IPC_STRUCT_MEMBER(double, rotation_rate_gamma) | |
| 50 IPC_STRUCT_MEMBER(bool, can_provide_interval) | |
| 51 IPC_STRUCT_MEMBER(double, interval) | |
| 52 IPC_STRUCT_END() | |
| 53 | |
| 54 // Messages sent from the browser to the renderer. | |
| 55 | |
| 56 // Notification that the device's motion has changed. | |
| 57 IPC_MESSAGE_ROUTED1(DeviceMotionMsg_Updated, | |
| 58 DeviceMotionMsg_Updated_Params) | |
| 59 | |
| 60 // Messages sent from the renderer to the browser. | |
| 61 | |
| 62 // A RenderView requests to start receiving device motion updates. | |
| 63 IPC_MESSAGE_CONTROL1(DeviceMotionHostMsg_StartUpdating, | |
| 64 int /* render_view_id */) | |
| 65 | |
| 66 // A RenderView requests to stop receiving device motion updates. | |
| 67 IPC_MESSAGE_CONTROL1(DeviceMotionHostMsg_StopUpdating, | |
| 68 int /* render_view_id */) | |
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Chromium Code Reviews
Issue 20707002:
Implement Device Orientation using shared memory in content/renderer. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master