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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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| 445 | 445 | 
| 446   // Starts various types of TabStrip animations. | 446   // Starts various types of TabStrip animations. | 
| 447   void StartResizeLayoutAnimation(); | 447   void StartResizeLayoutAnimation(); | 
| 448   void StartMiniTabAnimation(); | 448   void StartMiniTabAnimation(); | 
| 449   void StartMouseInitiatedRemoveTabAnimation(int model_index); | 449   void StartMouseInitiatedRemoveTabAnimation(int model_index); | 
| 450 | 450 | 
| 451   // Returns true if the specified point in TabStrip coords is within the | 451   // Returns true if the specified point in TabStrip coords is within the | 
| 452   // hit-test region of the specified Tab. | 452   // hit-test region of the specified Tab. | 
| 453   bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); | 453   bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); | 
| 454 | 454 | 
|  | 455   // Returns true if the specified rect in TabStrip coords intersects the | 
|  | 456   // hit-test region of the specified Tab. | 
|  | 457   bool IsRectInTab(Tab* tab, const gfx::Rect& rect_in_tabstrip_coords); | 
|  | 458 | 
| 455   // -- Touch Layout ---------------------------------------------------------- | 459   // -- Touch Layout ---------------------------------------------------------- | 
| 456 | 460 | 
| 457   // Returns the position normal tabs start at. | 461   // Returns the position normal tabs start at. | 
| 458   int GetStartXForNormalTabs() const; | 462   int GetStartXForNormalTabs() const; | 
| 459 | 463 | 
| 460   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 464   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 
| 461   // to do the actual searching. | 465   // to do the actual searching. | 
|  | 466   // TODO: Deprecate | 
| 462   Tab* FindTabForEvent(const gfx::Point& point); | 467   Tab* FindTabForEvent(const gfx::Point& point); | 
| 463 | 468 | 
|  | 469   // Returns the tab to use for event handling. This uses FindTabForEventFrom() | 
|  | 470   // to do the actual searching. | 
|  | 471   Tab* FindTabForEvent(const gfx::Rect& rect); | 
|  | 472 | 
| 464   // Returns the tab to use for event handling starting at index |start| and | 473   // Returns the tab to use for event handling starting at index |start| and | 
| 465   // iterating by |delta|. | 474   // iterating by |delta|. | 
|  | 475   // TODO: Deprecate | 
| 466   Tab* FindTabForEventFrom(const gfx::Point& point, int start, int delta); | 476   Tab* FindTabForEventFrom(const gfx::Point& point, int start, int delta); | 
| 467 | 477 | 
|  | 478   // Returns the tab to use for event handling starting at index |start| and | 
|  | 479   // iterating by |delta|. | 
|  | 480   Tab* FindTabForEventFrom(const gfx::Rect& rect, int start, int delta); | 
|  | 481 | 
| 468   // Returns the x-coordinates of the tabs. | 482   // Returns the x-coordinates of the tabs. | 
| 469   std::vector<int> GetTabXCoordinates(); | 483   std::vector<int> GetTabXCoordinates(); | 
| 470 | 484 | 
| 471   // Creates/Destroys |touch_layout_| as necessary. | 485   // Creates/Destroys |touch_layout_| as necessary. | 
| 472   void SwapLayoutIfNecessary(); | 486   void SwapLayoutIfNecessary(); | 
| 473 | 487 | 
| 474   // Returns true if |touch_layout_| is needed. | 488   // Returns true if |touch_layout_| is needed. | 
| 475   bool NeedsTouchLayout() const; | 489   bool NeedsTouchLayout() const; | 
| 476 | 490 | 
| 477   // Sets the value of |reset_to_shrink_on_exit_|. If true |mouse_watcher_| is | 491   // Sets the value of |reset_to_shrink_on_exit_|. If true |mouse_watcher_| is | 
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| 568   int mouse_move_count_; | 582   int mouse_move_count_; | 
| 569 | 583 | 
| 570   // Timer used when a tab is closed and we need to relayout. Only used when a | 584   // Timer used when a tab is closed and we need to relayout. Only used when a | 
| 571   // tab close comes from a touch device. | 585   // tab close comes from a touch device. | 
| 572   base::OneShotTimer<TabStrip> resize_layout_timer_; | 586   base::OneShotTimer<TabStrip> resize_layout_timer_; | 
| 573 | 587 | 
| 574   DISALLOW_COPY_AND_ASSIGN(TabStrip); | 588   DISALLOW_COPY_AND_ASSIGN(TabStrip); | 
| 575 }; | 589 }; | 
| 576 | 590 | 
| 577 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 591 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 
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