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| 1 // Copyright (c) 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 #include "content/common/gamepad_param_traits.h" |
| 6 |
| 7 #include "base/pickle.h" |
| 8 #include "base/strings/string16.h" |
| 9 #include "base/strings/utf_string_conversions.h" |
| 10 #include "ipc/ipc_message_utils.h" |
| 11 #include "third_party/WebKit/public/platform/WebGamepad.h" |
| 12 |
| 13 using blink::WebGamepad; |
| 14 |
| 15 namespace { |
| 16 |
| 17 void LogWebUCharString( |
| 18 const blink::WebUChar web_string[], |
| 19 const size_t array_size, |
| 20 std::string* log) { |
| 21 base::string16 utf16; |
| 22 utf16.reserve(array_size); |
| 23 for (size_t i = 0; i < array_size && web_string[i]; ++i) { |
| 24 utf16[i] = web_string[i]; |
| 25 } |
| 26 log->append(base::UTF16ToUTF8(utf16)); |
| 27 } |
| 28 |
| 29 } |
| 30 |
| 31 namespace IPC { |
| 32 |
| 33 void ParamTraits<WebGamepad>::Write( |
| 34 Message* m, |
| 35 const WebGamepad& p) { |
| 36 m->WriteData(reinterpret_cast<const char*>(&p), sizeof(WebGamepad)); |
| 37 } |
| 38 |
| 39 bool ParamTraits<WebGamepad>::Read( |
| 40 const Message* m, |
| 41 PickleIterator* iter, |
| 42 WebGamepad* p) { |
| 43 int length; |
| 44 const char* data; |
| 45 if (!m->ReadData(iter, &data, &length) || length != sizeof(WebGamepad)) |
| 46 return false; |
| 47 memcpy(p, data, sizeof(WebGamepad)); |
| 48 |
| 49 return true; |
| 50 } |
| 51 |
| 52 void ParamTraits<WebGamepad>::Log( |
| 53 const WebGamepad& p, |
| 54 std::string* l) { |
| 55 l->append("WebGamepad("); |
| 56 LogParam(p.connected, l); |
| 57 LogWebUCharString(p.id, WebGamepad::idLengthCap, l); |
| 58 l->append(","); |
| 59 LogWebUCharString(p.mapping, WebGamepad::mappingLengthCap, l); |
| 60 l->append(","); |
| 61 LogParam(p.timestamp, l); |
| 62 l->append(","); |
| 63 LogParam(p.axesLength, l); |
| 64 l->append(", ["); |
| 65 for (size_t i = 0; i < arraysize(p.axes); ++i) { |
| 66 l->append(base::StringPrintf("%f%s", p.axes[i], |
| 67 i < (arraysize(p.axes) - 1) ? ", " : "], ")); |
| 68 } |
| 69 LogParam(p.buttonsLength, l); |
| 70 l->append(", ["); |
| 71 for (size_t i = 0; i < arraysize(p.buttons); ++i) { |
| 72 l->append(base::StringPrintf("(%u, %f)%s", |
| 73 p.buttons[i].pressed, p.buttons[i].value, |
| 74 i < (arraysize(p.buttons) - 1) ? ", " : "], ")); |
| 75 } |
| 76 l->append(")"); |
| 77 } |
| 78 |
| 79 } // namespace IPC |
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