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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.
#ifndef CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_
#define CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_
#include "content/common/content_export.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
namespace gfx {
class Rect;
class Size;
}
namespace WebKit {
struct WebRect;
}
namespace content {
// Contains functions to calculate proper scaling factor and popup size
class DisambiguationPopupHelper {
public:
CONTENT_EXPORT static float ComputeZoomAreaAndScaleFactor(
const gfx::Rect& tap_rect,
const WebKit::WebVector<WebKit::WebRect>& target_rects,
const gfx::Size& viewport_size,
gfx::Rect* zoom_rect);
};
} // namespace content
#endif // CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_
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