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 CHROME_BROWSER_UI_GTK_TABS_DRAG_DATA_H_ 6 #define CHROME_BROWSER_UI_GTK_TABS_DRAG_DATA_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 12 class TabGtk; 13 14 namespace content { 15 class WebContents; 16 class WebContentsDelegate; 17 } 18 19 struct DraggedTabData { 20 public: 21 DraggedTabData(); 22 DraggedTabData(TabGtk* tab, 23 content::WebContents* contents, 24 content::WebContentsDelegate* original_delegate, 25 int source_model_index, 26 bool pinned, 27 bool mini); 28 ~DraggedTabData(); 29 30 // Resets the delegate of |contents_| to |original_delegate_|. 31 void ResetDelegate(); 32 33 // The tab being dragged. 34 TabGtk* tab_; 35 36 // The WebContents being dragged. 37 content::WebContents* contents_; 38 39 // The original content::WebContentsDelegate of |contents_|, before it was 40 // detached from the browser window. We store this so that we can forward 41 // certain delegate notifications back to it if we can't handle them locally. 42 content::WebContentsDelegate* original_delegate_; 43 44 // This is the index of |contents_| in |source_tabstrip_| when the drag 45 // began. This is used to restore the previous state if the drag is aborted. 46 int source_model_index_; 47 48 // Is the tab pinned? 49 bool pinned_; 50 51 // Is the tab mini? 52 bool mini_; 53 }; 54 55 // Holds information about all the dragged tabs. It also provides several 56 // convenience methods. 57 class DragData { 58 public: 59 DragData(std::vector<DraggedTabData> drag_data, int source_tab_index); 60 ~DragData(); 61 62 // Returns all the |tab_| fields of the tabs in |drag_data_|. 63 std::vector<TabGtk*> GetDraggedTabs() const; 64 65 // Returns all the |contents_| fields of the tabs in |drag_data_|. 66 std::vector<content::WebContents*> GetDraggedTabsContents() const; 67 68 // Returns the correct add type for the tab in |drag_data_[i]|. See 69 // TabStripModel::AddTabTypes for available types. 70 int GetAddTypesForDraggedTabAt(size_t index); 71 72 // Calculates the number of mini and non mini tabs from position |from| 73 // (included) up to position |to| (excluded) within |drag_data_| and 74 // populates |mini| and |non_mini| accordingly. 75 void GetNumberOfMiniNonMiniTabs(int from, int to, int* mini, 76 int* non_mini) const; 77 78 // Convenience method for getting the number of the dragged tabs. size()79 size_t size() const { return drag_data_.size(); } 80 81 // Convenience method for getting the drag data associated with tab at |index| 82 // within |drag_data_|. get(size_t index)83 DraggedTabData* get(size_t index) { return &drag_data_[index]; } 84 source_tab_index()85 int source_tab_index() const { return source_tab_index_; } mini_tab_count()86 int mini_tab_count() const { return mini_tab_count_; } non_mini_tab_count()87 int non_mini_tab_count() const { return non_mini_tab_count_; } 88 89 // Convenience for |source_tab_drag_data()->contents_|. 90 content::WebContents* GetSourceWebContents(); 91 92 // Convenience for getting the DraggedTabData corresponding to the tab that 93 // was under the mouse pointer when the user started dragging. 94 DraggedTabData* GetSourceTabData(); 95 96 private: 97 std::vector<DraggedTabData> drag_data_; 98 99 // Index of the source tab in |drag_data_|. 100 int source_tab_index_; 101 // Number of non mini tabs within |drag_data_|. 102 int non_mini_tab_count_; 103 // Number of mini tabs within |drag_data_|. 104 int mini_tab_count_; 105 106 DISALLOW_COPY_AND_ASSIGN(DragData); 107 }; 108 109 #endif // CHROME_BROWSER_UI_GTK_TABS_DRAG_DATA_H_ 110