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// Copyright (c) 2012 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 "ppapi/shared_impl/ppb_gamepad_shared.h"
#include <algorithm>
#include "base/basictypes.h"
namespace ppapi {
const size_t WebKitGamepads::kItemsLengthCap;
void ConvertWebKitGamepadData(const WebKitGamepads& webkit_data,
PP_GamepadsSampleData* output_data) {
size_t length = std::min(WebKitGamepads::kItemsLengthCap,
static_cast<const size_t>(webkit_data.length));
output_data->length = static_cast<unsigned>(length);
for (unsigned i = 0; i < length; ++i) {
PP_GamepadSampleData& output_pad = output_data->items[i];
const WebKitGamepad& webkit_pad = webkit_data.items[i];
output_pad.connected = webkit_pad.connected ? PP_TRUE : PP_FALSE;
if (webkit_pad.connected) {
static_assert(sizeof(output_pad.id) == sizeof(webkit_pad.id),
"id size does not match");
memcpy(output_pad.id, webkit_pad.id, sizeof(output_pad.id));
output_pad.timestamp = static_cast<double>(webkit_pad.timestamp);
output_pad.axes_length = webkit_pad.axes_length;
for (unsigned j = 0; j < webkit_pad.axes_length; ++j)
output_pad.axes[j] = static_cast<float>(webkit_pad.axes[j]);
output_pad.buttons_length = webkit_pad.buttons_length;
for (unsigned j = 0; j < webkit_pad.buttons_length; ++j)
output_pad.buttons[j] = static_cast<float>(webkit_pad.buttons[j].value);
}
}
}
} // namespace ppapi
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