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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 5 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 
| 6 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 6 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 
| 7 | 7 | 
| 8 #include <vector> | 8 #include <vector> | 
| 9 | 9 | 
| 10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" | 
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| 197   virtual void PaintChildren(gfx::Canvas* canvas) OVERRIDE; | 197   virtual void PaintChildren(gfx::Canvas* canvas) OVERRIDE; | 
| 198   virtual std::string GetClassName() const OVERRIDE; | 198   virtual std::string GetClassName() const OVERRIDE; | 
| 199   virtual gfx::Size GetPreferredSize() OVERRIDE; | 199   virtual gfx::Size GetPreferredSize() OVERRIDE; | 
| 200   // NOTE: the drag and drop methods are invoked from FrameView. This is done | 200   // NOTE: the drag and drop methods are invoked from FrameView. This is done | 
| 201   // to allow for a drop region that extends outside the bounds of the TabStrip. | 201   // to allow for a drop region that extends outside the bounds of the TabStrip. | 
| 202   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE; | 202   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE; | 
| 203   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE; | 203   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE; | 
| 204   virtual void OnDragExited() OVERRIDE; | 204   virtual void OnDragExited() OVERRIDE; | 
| 205   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE; | 205   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE; | 
| 206   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; | 206   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; | 
| 207   virtual views::View* GetEventHandlerForPoint( | 207   virtual views::View* GetEventHandler(const gfx::Rect& rect, EventType type) | 
| 208       const gfx::Point& point) OVERRIDE; | 208       OVERRIDE; | 
| 209 | 209 | 
| 210  protected: | 210  protected: | 
| 211   // Horizontal gap between mini and non-mini-tabs. | 211   // Horizontal gap between mini and non-mini-tabs. | 
| 212   static const int kMiniToNonMiniGap; | 212   static const int kMiniToNonMiniGap; | 
| 213 | 213 | 
| 214   void set_ideal_bounds(int index, const gfx::Rect& bounds) { | 214   void set_ideal_bounds(int index, const gfx::Rect& bounds) { | 
| 215     tabs_.set_ideal_bounds(index, bounds); | 215     tabs_.set_ideal_bounds(index, bounds); | 
| 216   } | 216   } | 
| 217 | 217 | 
| 218   // Returns the number of mini-tabs. | 218   // Returns the number of mini-tabs. | 
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| 462 | 462 | 
| 463   // Starts various types of TabStrip animations. | 463   // Starts various types of TabStrip animations. | 
| 464   void StartResizeLayoutAnimation(); | 464   void StartResizeLayoutAnimation(); | 
| 465   void StartMiniTabAnimation(); | 465   void StartMiniTabAnimation(); | 
| 466   void StartMouseInitiatedRemoveTabAnimation(int model_index); | 466   void StartMouseInitiatedRemoveTabAnimation(int model_index); | 
| 467 | 467 | 
| 468   // Returns true if the specified point in TabStrip coords is within the | 468   // Returns true if the specified point in TabStrip coords is within the | 
| 469   // hit-test region of the specified Tab. | 469   // hit-test region of the specified Tab. | 
| 470   bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); | 470   bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); | 
| 471 | 471 | 
|  | 472   // Returns true if the specified rect in TabStrip coords intersects the | 
|  | 473   // hit-test region of the specified Tab. | 
|  | 474   bool IsRectInTab(Tab* tab, const gfx::Rect& rect_in_tabstrip_coords); | 
|  | 475 | 
| 472   // -- Touch Layout ---------------------------------------------------------- | 476   // -- Touch Layout ---------------------------------------------------------- | 
| 473 | 477 | 
| 474   // Returns the position normal tabs start at. | 478   // Returns the position normal tabs start at. | 
| 475   int GetStartXForNormalTabs() const; | 479   int GetStartXForNormalTabs() const; | 
| 476 | 480 | 
| 477   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 481   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 
| 478   // to do the actual searching. | 482   // to do the actual searching. | 
|  | 483   // TODO: Deprecate | 
| 479   Tab* FindTabForEvent(const gfx::Point& point); | 484   Tab* FindTabForEvent(const gfx::Point& point); | 
| 480 | 485 | 
|  | 486   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 
|  | 487   // to do the actual searching. | 
|  | 488   Tab* FindTabForEvent(const gfx::Rect& rect); | 
|  | 489 | 
| 481   // Returns the tab to use for event handling starting at index |start| and | 490   // Returns the tab to use for event handling starting at index |start| and | 
| 482   // iterating by |delta|. | 491   // iterating by |delta|. | 
|  | 492   // TODO: Deprecate | 
| 483   Tab* FindTabForEventFrom(const gfx::Point& point, int start, int delta); | 493   Tab* FindTabForEventFrom(const gfx::Point& point, int start, int delta); | 
| 484 | 494 | 
|  | 495   // Returns the tab to use for event handling starting at index |start| and | 
|  | 496   // iterating by |delta|. | 
|  | 497   Tab* FindTabForEventFrom(const gfx::Rect& rect, int start, int delta); | 
|  | 498 | 
| 485   // Returns the x-coordinates of the tabs. | 499   // Returns the x-coordinates of the tabs. | 
| 486   std::vector<int> GetTabXCoordinates(); | 500   std::vector<int> GetTabXCoordinates(); | 
| 487 | 501 | 
| 488   // Creates/Destroys |touch_layout_| as necessary. | 502   // Creates/Destroys |touch_layout_| as necessary. | 
| 489   void SwapLayoutIfNecessary(); | 503   void SwapLayoutIfNecessary(); | 
| 490 | 504 | 
| 491   // Returns true if |touch_layout_| is needed. | 505   // Returns true if |touch_layout_| is needed. | 
| 492   bool NeedsTouchLayout() const; | 506   bool NeedsTouchLayout() const; | 
| 493 | 507 | 
| 494   // Sets the value of |reset_to_shrink_on_exit_|. If true |mouse_watcher_| is | 508   // Sets the value of |reset_to_shrink_on_exit_|. If true |mouse_watcher_| is | 
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| 585   int mouse_move_count_; | 599   int mouse_move_count_; | 
| 586 | 600 | 
| 587   // Timer used when a tab is closed and we need to relayout. Only used when a | 601   // Timer used when a tab is closed and we need to relayout. Only used when a | 
| 588   // tab close comes from a touch device. | 602   // tab close comes from a touch device. | 
| 589   base::OneShotTimer<TabStrip> resize_layout_timer_; | 603   base::OneShotTimer<TabStrip> resize_layout_timer_; | 
| 590 | 604 | 
| 591   DISALLOW_COPY_AND_ASSIGN(TabStrip); | 605   DISALLOW_COPY_AND_ASSIGN(TabStrip); | 
| 592 }; | 606 }; | 
| 593 | 607 | 
| 594 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 608 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 
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