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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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50 // DraggedTab, focusing on tasks that require reshuffling other tabs | 50 // DraggedTab, focusing on tasks that require reshuffling other tabs |
51 // in response to dragged tabs. | 51 // in response to dragged tabs. |
52 // | 52 // |
53 /////////////////////////////////////////////////////////////////////////////// | 53 /////////////////////////////////////////////////////////////////////////////// |
54 class TabStrip : public views::View, | 54 class TabStrip : public views::View, |
55 public views::ButtonListener, | 55 public views::ButtonListener, |
56 public views::MouseWatcherListener, | 56 public views::MouseWatcherListener, |
57 public views::ViewTargeterDelegate, | 57 public views::ViewTargeterDelegate, |
58 public TabController { | 58 public TabController { |
59 public: | 59 public: |
60 static const char kViewClassName[]; | |
61 | |
62 // Horizontal offset for the new tab button to bring it closer to the | |
63 // rightmost tab. | |
64 static const int kNewTabButtonHorizontalOffset; | |
65 | |
66 // The vertical offset of the tab strip button. This offset applies only to | 60 // The vertical offset of the tab strip button. This offset applies only to |
67 // restored windows. | 61 // restored windows. |
68 static const int kNewTabButtonVerticalOffset; | 62 static const int kNewTabButtonVerticalOffset; |
69 | 63 |
70 // The size of the new tab button must be hardcoded because we need to be | 64 // The size of the new tab button must be hardcoded because we need to be |
71 // able to lay it out before we are able to get its image from the | 65 // able to lay it out before we are able to get its image from the |
72 // ui::ThemeProvider. It also makes sense to do this, because the size of the | 66 // ui::ThemeProvider. It also makes sense to do this, because the size of the |
73 // new tab button should not need to be calculated dynamically. | 67 // new tab button should not need to be calculated dynamically. |
74 static const int kNewTabButtonAssetWidth; | 68 static const int kNewTabButtonAssetWidth; |
75 static const int kNewTabButtonAssetHeight; | |
76 | 69 |
77 explicit TabStrip(TabStripController* controller); | 70 explicit TabStrip(TabStripController* controller); |
78 ~TabStrip() override; | 71 ~TabStrip() override; |
79 | 72 |
80 // Add and remove observers to changes within this TabStrip. | 73 // Add and remove observers to changes within this TabStrip. |
81 void AddObserver(TabStripObserver* observer); | 74 void AddObserver(TabStripObserver* observer); |
82 void RemoveObserver(TabStripObserver* observer); | 75 void RemoveObserver(TabStripObserver* observer); |
83 | 76 |
84 // If |adjust_layout| is true the stacked layout changes based on whether the | 77 // If |adjust_layout| is true the stacked layout changes based on whether the |
85 // user uses a mouse or a touch device with the tabstrip. | 78 // user uses a mouse or a touch device with the tabstrip. |
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490 | 483 |
491 // Generates the ideal bounds for each of the tabs as well as the new tab | 484 // Generates the ideal bounds for each of the tabs as well as the new tab |
492 // button. | 485 // button. |
493 void GenerateIdealBounds(); | 486 void GenerateIdealBounds(); |
494 | 487 |
495 // Generates the ideal bounds for the pinned tabs. Returns the index to | 488 // Generates the ideal bounds for the pinned tabs. Returns the index to |
496 // position the first non-pinned tab and sets |first_non_pinned_index| to the | 489 // position the first non-pinned tab and sets |first_non_pinned_index| to the |
497 // index of the first non-pinned tab. | 490 // index of the first non-pinned tab. |
498 int GenerateIdealBoundsForPinnedTabs(int* first_non_pinned_index); | 491 int GenerateIdealBoundsForPinnedTabs(int* first_non_pinned_index); |
499 | 492 |
500 // Returns the width needed for the new tab button (and padding). | |
501 static int new_tab_button_width() { | |
502 return kNewTabButtonAssetWidth + kNewTabButtonHorizontalOffset; | |
503 } | |
504 | |
505 // Returns the width of the area that contains tabs. This does not include | 493 // Returns the width of the area that contains tabs. This does not include |
506 // the width of the new tab button. | 494 // the width of the new tab button. |
507 int tab_area_width() const { return width() - new_tab_button_width(); } | 495 int GetTabAreaWidth() const; |
508 | 496 |
509 // Starts various types of TabStrip animations. | 497 // Starts various types of TabStrip animations. |
510 void StartResizeLayoutAnimation(); | 498 void StartResizeLayoutAnimation(); |
511 void StartPinnedTabAnimation(); | 499 void StartPinnedTabAnimation(); |
512 void StartMouseInitiatedRemoveTabAnimation(int model_index); | 500 void StartMouseInitiatedRemoveTabAnimation(int model_index); |
513 | 501 |
514 // Returns true if the specified point in TabStrip coords is within the | 502 // Returns true if the specified point in TabStrip coords is within the |
515 // hit-test region of the specified Tab. | 503 // hit-test region of the specified Tab. |
516 bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); | 504 bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords); |
517 | 505 |
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657 bool immersive_style_; | 645 bool immersive_style_; |
658 | 646 |
659 // Our observers. | 647 // Our observers. |
660 typedef base::ObserverList<TabStripObserver> TabStripObservers; | 648 typedef base::ObserverList<TabStripObserver> TabStripObservers; |
661 TabStripObservers observers_; | 649 TabStripObservers observers_; |
662 | 650 |
663 DISALLOW_COPY_AND_ASSIGN(TabStrip); | 651 DISALLOW_COPY_AND_ASSIGN(TabStrip); |
664 }; | 652 }; |
665 | 653 |
666 #endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ | 654 #endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_ |
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