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_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_ 6 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_ 7 8 #include "chrome/browser/ui/views/tabs/tab_strip_types.h" 9 #include "ui/base/ui_base_types.h" 10 11 class GURL; 12 class Tab; 13 class TabStrip; 14 15 namespace gfx { 16 class Point; 17 } 18 19 namespace ui { 20 class ListSelectionModel; 21 } 22 23 // Model/Controller for the TabStrip. 24 // NOTE: All indices used by this class are in model coordinates. 25 class TabStripController { 26 public: 27 virtual ~TabStripController() {} 28 29 // Returns the selection model of the tabstrip. 30 virtual const ui::ListSelectionModel& GetSelectionModel() = 0; 31 32 // Returns the number of tabs in the model. 33 virtual int GetCount() const = 0; 34 35 // Returns true if |index| is a valid model index. 36 virtual bool IsValidIndex(int index) const = 0; 37 38 // Returns true if the tab at |index| is the active tab. The active tab is the 39 // one whose content is shown. 40 virtual bool IsActiveTab(int index) const = 0; 41 42 // Returns the index of the active tab. 43 virtual int GetActiveIndex() const = 0; 44 45 // Returns true if the selected index is selected. 46 virtual bool IsTabSelected(int index) const = 0; 47 48 // Returns true if the selected index is pinned. 49 virtual bool IsTabPinned(int index) const = 0; 50 51 // Returns true if the selected index is the new tab page. 52 virtual bool IsNewTabPage(int index) const = 0; 53 54 // Select the tab at the specified index in the model. 55 virtual void SelectTab(int index) = 0; 56 57 // Extends the selection from the anchor to the specified index in the model. 58 virtual void ExtendSelectionTo(int index) = 0; 59 60 // Toggles the selection of the specified index in the model. 61 virtual void ToggleSelected(int index) = 0; 62 63 // Adds the selection the anchor to |index|. 64 virtual void AddSelectionFromAnchorTo(int index) = 0; 65 66 // Closes the tab at the specified index in the model. 67 virtual void CloseTab(int index, CloseTabSource source) = 0; 68 69 // Shows a context menu for the tab at the specified point in screen coords. 70 virtual void ShowContextMenuForTab(Tab* tab, 71 const gfx::Point& p, 72 ui::MenuSourceType source_type) = 0; 73 74 // Updates the loading animations of all the tabs. 75 virtual void UpdateLoadingAnimations() = 0; 76 77 // Returns true if the associated TabStrip's delegate supports tab moving or 78 // detaching. Used by the Frame to determine if dragging on the Tab 79 // itself should move the window in cases where there's only one 80 // non drag-able Tab. 81 virtual int HasAvailableDragActions() const = 0; 82 83 // Notifies controller of a drop index update. 84 virtual void OnDropIndexUpdate(int index, bool drop_before) = 0; 85 86 // Performs a drop at the specified location. 87 virtual void PerformDrop(bool drop_before, int index, const GURL& url) = 0; 88 89 // Return true if this tab strip is compatible with the provided tab strip. 90 // Compatible tab strips can transfer tabs during drag and drop. 91 virtual bool IsCompatibleWith(TabStrip* other) const = 0; 92 93 // Creates the new tab. 94 virtual void CreateNewTab() = 0; 95 96 // Returns true if the tab strip is in an incognito window. 97 virtual bool IsIncognito() = 0; 98 99 // Invoked if the layout type might have changed. 100 virtual void LayoutTypeMaybeChanged() = 0; 101 102 // Notifies controller that the user started dragging this tabstrip's tabs. 103 virtual void OnStartedDraggingTabs() = 0; 104 105 // Notifies controller that the user stopped dragging this tabstrip's tabs. 106 // This is also called when the tabs that the user is dragging were detached 107 // from this tabstrip but the user is still dragging the tabs. 108 virtual void OnStoppedDraggingTabs() = 0; 109 }; 110 111 #endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_ 112
