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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/common/gamepad_param_traits.h"
#include <stddef.h>
#include "base/macros.h"
#include "base/pickle.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "ipc/ipc_message_utils.h"
#include "third_party/WebKit/public/platform/WebGamepad.h"
using blink::WebGamepad;
namespace {
void LogWebUCharString(
const blink::WebUChar web_string[],
const size_t array_size,
std::string* log) {
base::string16 utf16;
utf16.reserve(array_size);
for (size_t i = 0; i < array_size && web_string[i]; ++i) {
utf16[i] = web_string[i];
}
log->append(base::UTF16ToUTF8(utf16));
}
}
namespace IPC {
void ParamTraits<WebGamepad>::Write(base::Pickle* m, const WebGamepad& p) {
m->WriteData(reinterpret_cast<const char*>(&p), sizeof(WebGamepad));
}
bool ParamTraits<WebGamepad>::Read(const base::Pickle* m,
base::PickleIterator* iter,
WebGamepad* p) {
int length;
const char* data;
if (!iter->ReadData(&data, &length) || length != sizeof(WebGamepad))
return false;
memcpy(p, data, sizeof(WebGamepad));
return true;
}
void ParamTraits<WebGamepad>::Log(
const WebGamepad& p,
std::string* l) {
l->append("WebGamepad(");
LogParam(p.connected, l);
LogWebUCharString(p.id, WebGamepad::idLengthCap, l);
l->append(",");
LogWebUCharString(p.mapping, WebGamepad::mappingLengthCap, l);
l->append(",");
LogParam(p.timestamp, l);
l->append(",");
LogParam(p.axesLength, l);
l->append(", [");
for (size_t i = 0; i < arraysize(p.axes); ++i) {
l->append(base::StringPrintf("%f%s", p.axes[i],
i < (arraysize(p.axes) - 1) ? ", " : "], "));
}
LogParam(p.buttonsLength, l);
l->append(", [");
for (size_t i = 0; i < arraysize(p.buttons); ++i) {
l->append(base::StringPrintf("(%u, %f)%s",
p.buttons[i].pressed, p.buttons[i].value,
i < (arraysize(p.buttons) - 1) ? ", " : "], "));
}
l->append(")");
}
} // namespace IPC
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