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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/x/x11_cursor.h"
#include "base/memory/scoped_refptr.h"
#include "ui/base/x/x11_cursor_loader.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/future.h"
#include "ui/gfx/x/xproto.h"
namespace ui {
// static
scoped_refptr<X11Cursor> X11Cursor::FromPlatformCursor(
scoped_refptr<PlatformCursor> platform_cursor) {
return base::WrapRefCounted(static_cast<X11Cursor*>(platform_cursor.get()));
}
X11Cursor::X11Cursor() = default;
X11Cursor::X11Cursor(x11::Cursor cursor) : loaded_(true), xcursor_(cursor) {}
void X11Cursor::OnCursorLoaded(Callback callback) {
if (loaded_)
std::move(callback).Run(xcursor_);
else
callbacks_.push_back(std::move(callback));
}
void X11Cursor::SetCursor(x11::Cursor cursor) {
DCHECK(!loaded_);
loaded_ = true;
xcursor_ = cursor;
for (auto& callback : callbacks_)
std::move(callback).Run(cursor);
callbacks_.clear();
}
x11::Cursor X11Cursor::ReleaseCursor() {
return std::exchange(xcursor_, x11::Cursor::None);
}
X11Cursor::~X11Cursor() {
if (xcursor_ != x11::Cursor::None)
x11::Connection::Get()->FreeCursor({xcursor_});
}
} // namespace ui
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