1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_ 6 #define CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_ 7 8 #include "content/common/content_export.h" 9 #include "third_party/WebKit/public/platform/WebVector.h" 10 11 namespace gfx { 12 class Rect; 13 class Size; 14 } 15 16 namespace blink { 17 struct WebRect; 18 } 19 20 namespace content { 21 22 // Contains functions to calculate proper scaling factor and popup size 23 class DisambiguationPopupHelper { 24 public: 25 CONTENT_EXPORT static float ComputeZoomAreaAndScaleFactor( 26 const gfx::Rect& tap_rect, 27 const blink::WebVector<blink::WebRect>& target_rects, 28 const gfx::Size& screen_size, 29 const gfx::Size& visible_content_size, 30 float total_scale, 31 gfx::Rect* zoom_rect); 32 }; 33 34 } // namespace content 35 36 #endif // CONTENT_RENDERER_DISAMBIGUATION_POPUP_HELPER_H_ 37