| // 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/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& screen_size, |
| const gfx::Size& visible_content_size, |
| float total_scale, |
| gfx::Rect* zoom_rect); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_ |