1// Copyright 2013 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_DICTIONARY_HELPER_H_ 6#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_DICTIONARY_HELPER_H_ 7 8#include "base/basictypes.h" 9#include "ui/gfx/vector2d.h" 10 11namespace content { 12 13class RenderWidgetHostView; 14class RenderWidgetHostViewMac; 15 16// A helper class to bring up definition of word for a RWHV. 17// 18// This is triggered by "Lookup in Dictionary" context menu item. 19// Either uses Dictionary.app or a light-weight dictionary panel, based on 20// system settings. 21class RenderWidgetHostViewMacDictionaryHelper { 22 public: 23 explicit RenderWidgetHostViewMacDictionaryHelper(RenderWidgetHostView* view); 24 25 // Overrides the view to use to bring up dictionary panel. 26 // This |target_view| can be different from |view_|, |view_| is used to get 27 // the current selection value where |target_view| is used to bring up the 28 // cocoa dictionary panel. 29 void SetTargetView(RenderWidgetHostView* target_view); 30 void set_offset(const gfx::Vector2d& offset) { offset_ = offset; } 31 32 // Brings up either Dictionary.app or a light-weight dictionary panel, 33 // depending on system settings. 34 void ShowDefinitionForSelection(); 35 36 private: 37 // This class shows definition for this view. 38 RenderWidgetHostViewMac* view_; 39 // This view is use to bring up the dictionary panel. Generally this is the 40 // same as |view_|. One can override the view to use via SetTargetView(). 41 RenderWidgetHostViewMac* target_view_; 42 // The extra offset to use while positioning the dicitonary panel. 43 gfx::Vector2d offset_; 44 45 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMacDictionaryHelper); 46}; 47 48} // namespace content 49 50#endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_DICTIONARY_HELPER_H_ 51