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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 #include "chrome/views/chrome_menu.h" | 5 #include "chrome/views/chrome_menu.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 #include <uxtheme.h> | 8 #include <uxtheme.h> |
9 #include <Vssym32.h> | 9 #include <Vssym32.h> |
10 | 10 |
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118 static bool show_mnemonics; | 118 static bool show_mnemonics; |
119 | 119 |
120 using gfx::NativeTheme; | 120 using gfx::NativeTheme; |
121 | 121 |
122 namespace views { | 122 namespace views { |
123 | 123 |
124 namespace { | 124 namespace { |
125 | 125 |
126 // Returns the font menus are to use. | 126 // Returns the font menus are to use. |
127 ChromeFont GetMenuFont() { | 127 ChromeFont GetMenuFont() { |
128 » NONCLIENTMETRICS metrics; | 128 NONCLIENTMETRICS metrics; |
129 win_util::GetNonClientMetrics(&metrics); | 129 win_util::GetNonClientMetrics(&metrics); |
130 | 130 |
131 HFONT font = CreateFontIndirect(&metrics.lfMenuFont); | 131 HFONT font = CreateFontIndirect(&metrics.lfMenuFont); |
132 DLOG_ASSERT(font); | 132 DLOG_ASSERT(font); |
133 return ChromeFont::CreateFont(font); | 133 return ChromeFont::CreateFont(font); |
134 } | 134 } |
135 | 135 |
136 // Calculates all sizes that we can from the OS. | 136 // Calculates all sizes that we can from the OS. |
137 // | 137 // |
138 // This is invoked prior to Running a menu. | 138 // This is invoked prior to Running a menu. |
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207 } | 207 } |
208 | 208 |
209 // MenuScrollTask -------------------------------------------------------------- | 209 // MenuScrollTask -------------------------------------------------------------- |
210 | 210 |
211 // MenuScrollTask is used when the SubmenuView does not all fit on screen and | 211 // MenuScrollTask is used when the SubmenuView does not all fit on screen and |
212 // the mouse is over the scroll up/down buttons. MenuScrollTask schedules | 212 // the mouse is over the scroll up/down buttons. MenuScrollTask schedules |
213 // itself with a RepeatingTimer. When Run is invoked MenuScrollTask scrolls | 213 // itself with a RepeatingTimer. When Run is invoked MenuScrollTask scrolls |
214 // appropriately. | 214 // appropriately. |
215 | 215 |
216 class MenuScrollTask { | 216 class MenuScrollTask { |
217 public: | 217 public: |
218 MenuScrollTask() : submenu_(NULL) { | 218 MenuScrollTask() : submenu_(NULL) { |
219 pixels_per_second_ = pref_menu_height * 20; | 219 pixels_per_second_ = pref_menu_height * 20; |
220 } | 220 } |
221 | 221 |
222 void Update(const MenuController::MenuPart& part) { | 222 void Update(const MenuController::MenuPart& part) { |
223 if (!part.is_scroll()) { | 223 if (!part.is_scroll()) { |
224 StopScrolling(); | 224 StopScrolling(); |
225 return; | 225 return; |
226 } | 226 } |
227 DCHECK(part.submenu); | 227 DCHECK(part.submenu); |
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279 | 279 |
280 // Time we started scrolling at. | 280 // Time we started scrolling at. |
281 Time start_scroll_time_; | 281 Time start_scroll_time_; |
282 | 282 |
283 // How many pixels to scroll per second. | 283 // How many pixels to scroll per second. |
284 int pixels_per_second_; | 284 int pixels_per_second_; |
285 | 285 |
286 // Y-coordinate of submenu_view_ when scrolling started. | 286 // Y-coordinate of submenu_view_ when scrolling started. |
287 int start_y_; | 287 int start_y_; |
288 | 288 |
289 DISALLOW_EVIL_CONSTRUCTORS(MenuScrollTask); | 289 DISALLOW_COPY_AND_ASSIGN(MenuScrollTask); |
290 }; | 290 }; |
291 | 291 |
292 // MenuScrollButton ------------------------------------------------------------ | 292 // MenuScrollButton ------------------------------------------------------------ |
293 | 293 |
294 // MenuScrollButton is used for the scroll buttons when not all menu items fit | 294 // MenuScrollButton is used for the scroll buttons when not all menu items fit |
295 // on screen. MenuScrollButton forwards appropriate events to the | 295 // on screen. MenuScrollButton forwards appropriate events to the |
296 // MenuController. | 296 // MenuController. |
297 | 297 |
298 class MenuScrollButton : public View { | 298 class MenuScrollButton : public View { |
299 public: | 299 public: |
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359 private: | 359 private: |
360 // SubmenuView we were created for. | 360 // SubmenuView we were created for. |
361 SubmenuView* host_; | 361 SubmenuView* host_; |
362 | 362 |
363 // Direction of the button. | 363 // Direction of the button. |
364 bool is_up_; | 364 bool is_up_; |
365 | 365 |
366 // Preferred height. | 366 // Preferred height. |
367 int pref_height_; | 367 int pref_height_; |
368 | 368 |
369 DISALLOW_EVIL_CONSTRUCTORS(MenuScrollButton); | 369 DISALLOW_COPY_AND_ASSIGN(MenuScrollButton); |
370 }; | 370 }; |
371 | 371 |
372 // MenuScrollView -------------------------------------------------------------- | 372 // MenuScrollView -------------------------------------------------------------- |
373 | 373 |
374 // MenuScrollView is a viewport for the SubmenuView. It's reason to exist is so | 374 // MenuScrollView is a viewport for the SubmenuView. It's reason to exist is so |
375 // that ScrollRectToVisible works. | 375 // that ScrollRectToVisible works. |
376 // | 376 // |
377 // NOTE: It is possible to use ScrollView directly (after making it deal with | 377 // NOTE: It is possible to use ScrollView directly (after making it deal with |
378 // null scrollbars), but clicking on a child of ScrollView forces the window to | 378 // null scrollbars), but clicking on a child of ScrollView forces the window to |
379 // become active, which we don't want. As we really only need a fraction of | 379 // become active, which we don't want. As we really only need a fraction of |
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396 y = std::max(0, std::min(pref.height() - this->height(), y)); | 396 y = std::max(0, std::min(pref.height() - this->height(), y)); |
397 child->SetY(-y); | 397 child->SetY(-y); |
398 } | 398 } |
399 | 399 |
400 // Returns the contents, which is the SubmenuView. | 400 // Returns the contents, which is the SubmenuView. |
401 View* GetContents() { | 401 View* GetContents() { |
402 return GetChildViewAt(0); | 402 return GetChildViewAt(0); |
403 } | 403 } |
404 | 404 |
405 private: | 405 private: |
406 DISALLOW_EVIL_CONSTRUCTORS(MenuScrollView); | 406 DISALLOW_COPY_AND_ASSIGN(MenuScrollView); |
407 }; | 407 }; |
408 | 408 |
409 // MenuScrollViewContainer ----------------------------------------------------- | 409 // MenuScrollViewContainer ----------------------------------------------------- |
410 | 410 |
411 // MenuScrollViewContainer contains the SubmenuView (through a MenuScrollView) | 411 // MenuScrollViewContainer contains the SubmenuView (through a MenuScrollView) |
412 // and two scroll buttons. The scroll buttons are only visible and enabled if | 412 // and two scroll buttons. The scroll buttons are only visible and enabled if |
413 // the preferred height of the SubmenuView is bigger than our bounds. | 413 // the preferred height of the SubmenuView is bigger than our bounds. |
414 class MenuScrollViewContainer : public View { | 414 class MenuScrollViewContainer : public View { |
415 public: | 415 public: |
416 explicit MenuScrollViewContainer(SubmenuView* content_view) { | 416 explicit MenuScrollViewContainer(SubmenuView* content_view) { |
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481 } | 481 } |
482 | 482 |
483 private: | 483 private: |
484 // The scroll buttons. | 484 // The scroll buttons. |
485 View* scroll_up_button_; | 485 View* scroll_up_button_; |
486 View* scroll_down_button_; | 486 View* scroll_down_button_; |
487 | 487 |
488 // The scroll view. | 488 // The scroll view. |
489 MenuScrollView* scroll_view_; | 489 MenuScrollView* scroll_view_; |
490 | 490 |
491 DISALLOW_EVIL_CONSTRUCTORS(MenuScrollViewContainer); | 491 DISALLOW_COPY_AND_ASSIGN(MenuScrollViewContainer); |
492 }; | 492 }; |
493 | 493 |
494 // MenuSeparator --------------------------------------------------------------- | 494 // MenuSeparator --------------------------------------------------------------- |
495 | 495 |
496 // Renders a separator. | 496 // Renders a separator. |
497 | 497 |
498 class MenuSeparator : public View { | 498 class MenuSeparator : public View { |
499 public: | 499 public: |
500 MenuSeparator() { | 500 MenuSeparator() { |
501 } | 501 } |
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516 start_x = gutter_bounds.left + gutter_width; | 516 start_x = gutter_bounds.left + gutter_width; |
517 start_y = 0; | 517 start_y = 0; |
518 } | 518 } |
519 RECT separator_bounds = { start_x, start_y, width(), height() }; | 519 RECT separator_bounds = { start_x, start_y, width(), height() }; |
520 NativeTheme::instance()->PaintMenuSeparator(dc, MENU_POPUPSEPARATOR, | 520 NativeTheme::instance()->PaintMenuSeparator(dc, MENU_POPUPSEPARATOR, |
521 MPI_NORMAL, &separator_bounds); | 521 MPI_NORMAL, &separator_bounds); |
522 canvas->endPlatformPaint(); | 522 canvas->endPlatformPaint(); |
523 } | 523 } |
524 | 524 |
525 gfx::Size GetPreferredSize() { | 525 gfx::Size GetPreferredSize() { |
526 return gfx::Size(10, // Just in case we're the only item in a menu. | 526 return gfx::Size(10, // Just in case we're the only item in a menu. |
527 separator_height); | 527 separator_height); |
528 } | 528 } |
529 | 529 |
530 private: | 530 private: |
531 DISALLOW_EVIL_CONSTRUCTORS(MenuSeparator); | 531 DISALLOW_COPY_AND_ASSIGN(MenuSeparator); |
532 }; | 532 }; |
533 | 533 |
534 // MenuHostRootView ---------------------------------------------------------- | 534 // MenuHostRootView ---------------------------------------------------------- |
535 | 535 |
536 // MenuHostRootView is the RootView of the window showing the menu. | 536 // MenuHostRootView is the RootView of the window showing the menu. |
537 // SubmenuView's scroll view is added as a child of MenuHostRootView. | 537 // SubmenuView's scroll view is added as a child of MenuHostRootView. |
538 // MenuHostRootView forwards relevant events to the MenuController. | 538 // MenuHostRootView forwards relevant events to the MenuController. |
539 // | 539 // |
540 // As all the menu items are owned by the root menu item, care must be taken | 540 // As all the menu items are owned by the root menu item, care must be taken |
541 // such that when MenuHostRootView is deleted it doesn't delete the menu items. | 541 // such that when MenuHostRootView is deleted it doesn't delete the menu items. |
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619 | 619 |
620 void SuspendEvents() { | 620 void SuspendEvents() { |
621 suspend_events_ = true; | 621 suspend_events_ = true; |
622 } | 622 } |
623 | 623 |
624 private: | 624 private: |
625 MenuController* GetMenuController() { | 625 MenuController* GetMenuController() { |
626 return submenu_->GetMenuItem()->GetMenuController(); | 626 return submenu_->GetMenuItem()->GetMenuController(); |
627 } | 627 } |
628 | 628 |
629 /// The SubmenuView we contain. | 629 // The SubmenuView we contain. |
630 SubmenuView* submenu_; | 630 SubmenuView* submenu_; |
631 | 631 |
632 // Whether mouse dragged/released should be forwarded to the MenuController. | 632 // Whether mouse dragged/released should be forwarded to the MenuController. |
633 bool forward_drag_to_menu_controller_; | 633 bool forward_drag_to_menu_controller_; |
634 | 634 |
635 // Whether events are suspended. If true, no events are forwarded to the | 635 // Whether events are suspended. If true, no events are forwarded to the |
636 // MenuController. | 636 // MenuController. |
637 bool suspend_events_; | 637 bool suspend_events_; |
638 | 638 |
639 DISALLOW_EVIL_CONSTRUCTORS(MenuHostRootView); | 639 DISALLOW_COPY_AND_ASSIGN(MenuHostRootView); |
640 }; | 640 }; |
641 | 641 |
642 // MenuHost ------------------------------------------------------------------ | 642 // MenuHost ------------------------------------------------------------------ |
643 | 643 |
644 // MenuHost is the window responsible for showing a single menu. | 644 // MenuHost is the window responsible for showing a single menu. |
645 // | 645 // |
646 // Similar to MenuHostRootView, care must be taken such that when MenuHost is | 646 // Similar to MenuHostRootView, care must be taken such that when MenuHost is |
647 // deleted, it doesn't delete the menu items. MenuHost is closed via a | 647 // deleted, it doesn't delete the menu items. MenuHost is closed via a |
648 // DelayedClosed, which avoids timing issues with deleting the window while | 648 // DelayedClosed, which avoids timing issues with deleting the window while |
649 // capture or events are directed at it. | 649 // capture or events are directed at it. |
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750 private: | 750 private: |
751 // If true, we've been closed. | 751 // If true, we've been closed. |
752 bool closed_; | 752 bool closed_; |
753 | 753 |
754 // If true, we own the capture and need to release it. | 754 // If true, we own the capture and need to release it. |
755 bool owns_capture_; | 755 bool owns_capture_; |
756 | 756 |
757 // The view we contain. | 757 // The view we contain. |
758 SubmenuView* submenu_; | 758 SubmenuView* submenu_; |
759 | 759 |
760 DISALLOW_EVIL_CONSTRUCTORS(MenuHost); | 760 DISALLOW_COPY_AND_ASSIGN(MenuHost); |
761 }; | 761 }; |
762 | 762 |
763 // EmptyMenuMenuItem --------------------------------------------------------- | 763 // EmptyMenuMenuItem --------------------------------------------------------- |
764 | 764 |
765 // EmptyMenuMenuItem is used when a menu has no menu items. EmptyMenuMenuItem | 765 // EmptyMenuMenuItem is used when a menu has no menu items. EmptyMenuMenuItem |
766 // is itself a MenuItemView, but it uses a different ID so that it isn't | 766 // is itself a MenuItemView, but it uses a different ID so that it isn't |
767 // identified as a MenuItemView. | 767 // identified as a MenuItemView. |
768 | 768 |
769 class EmptyMenuMenuItem : public MenuItemView { | 769 class EmptyMenuMenuItem : public MenuItemView { |
770 public: | 770 public: |
771 // ID used for EmptyMenuMenuItem. | 771 // ID used for EmptyMenuMenuItem. |
772 static const int kEmptyMenuItemViewID; | 772 static const int kEmptyMenuItemViewID; |
773 | 773 |
774 EmptyMenuMenuItem(MenuItemView* parent) : MenuItemView(parent, 0, NORMAL) { | 774 EmptyMenuMenuItem(MenuItemView* parent) : MenuItemView(parent, 0, NORMAL) { |
775 SetTitle(l10n_util::GetString(IDS_MENU_EMPTY_SUBMENU)); | 775 SetTitle(l10n_util::GetString(IDS_MENU_EMPTY_SUBMENU)); |
776 // Set this so that we're not identified as a normal menu item. | 776 // Set this so that we're not identified as a normal menu item. |
777 SetID(kEmptyMenuItemViewID); | 777 SetID(kEmptyMenuItemViewID); |
778 SetEnabled(false); | 778 SetEnabled(false); |
779 } | 779 } |
780 | 780 |
781 private: | 781 private: |
782 DISALLOW_EVIL_CONSTRUCTORS(EmptyMenuMenuItem); | 782 DISALLOW_COPY_AND_ASSIGN(EmptyMenuMenuItem); |
783 }; | 783 }; |
784 | 784 |
785 // static | 785 // static |
786 const int EmptyMenuMenuItem::kEmptyMenuItemViewID = | 786 const int EmptyMenuMenuItem::kEmptyMenuItemViewID = |
787 MenuItemView::kMenuItemViewID + 1; | 787 MenuItemView::kMenuItemViewID + 1; |
788 | 788 |
789 } // namespace | 789 } // namespace |
790 | 790 |
791 // SubmenuView --------------------------------------------------------------- | 791 // SubmenuView --------------------------------------------------------------- |
792 | 792 |
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1813 press_loc.y(), data); | 1813 press_loc.y(), data); |
1814 | 1814 |
1815 scoped_refptr<BaseDragSource> drag_source(new BaseDragSource); | 1815 scoped_refptr<BaseDragSource> drag_source(new BaseDragSource); |
1816 int drag_ops = item->GetDelegate()->GetDragOperations(item); | 1816 int drag_ops = item->GetDelegate()->GetDragOperations(item); |
1817 DWORD effects; | 1817 DWORD effects; |
1818 StopScrolling(); | 1818 StopScrolling(); |
1819 DoDragDrop(data, drag_source, | 1819 DoDragDrop(data, drag_source, |
1820 DragDropTypes::DragOperationToDropEffect(drag_ops), | 1820 DragDropTypes::DragOperationToDropEffect(drag_ops), |
1821 &effects); | 1821 &effects); |
1822 if (GetActiveInstance() == this) { | 1822 if (GetActiveInstance() == this) { |
1823 if (showing_ ) { | 1823 if (showing_) { |
1824 // We're still showing, close all menus. | 1824 // We're still showing, close all menus. |
1825 CloseAllNestedMenus(); | 1825 CloseAllNestedMenus(); |
1826 Cancel(true); | 1826 Cancel(true); |
1827 } // else case, drop was on us. | 1827 } // else case, drop was on us. |
1828 } // else case, someone canceled us, don't do anything | 1828 } // else case, someone canceled us, don't do anything |
1829 } | 1829 } |
1830 return; | 1830 return; |
1831 } | 1831 } |
1832 if (part.type == MenuPart::MENU_ITEM) { | 1832 if (part.type == MenuPart::MENU_ITEM) { |
1833 if (!part.menu) | 1833 if (!part.menu) |
1834 part.menu = source->GetMenuItem(); | 1834 part.menu = source->GetMenuItem(); |
1835 SetSelection(part.menu ? part.menu : state_.item, true, false); | 1835 SetSelection(part.menu ? part.menu : state_.item, true, false); |
1836 } | 1836 } |
1837 any_menu_contains_mouse_ = (part.type == MenuPart::MENU_ITEM); | 1837 any_menu_contains_mouse_ = (part.type == MenuPart::MENU_ITEM); |
1838 } | 1838 } |
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2589 void MenuController::IncrementSelection(int delta) { | 2589 void MenuController::IncrementSelection(int delta) { |
2590 MenuItemView* item = pending_state_.item; | 2590 MenuItemView* item = pending_state_.item; |
2591 DCHECK(item); | 2591 DCHECK(item); |
2592 if (pending_state_.submenu_open && item->HasSubmenu() && | 2592 if (pending_state_.submenu_open && item->HasSubmenu() && |
2593 item->GetSubmenu()->IsShowing()) { | 2593 item->GetSubmenu()->IsShowing()) { |
2594 // A menu is selected and open, but none of its children are selected, | 2594 // A menu is selected and open, but none of its children are selected, |
2595 // select the first menu item. | 2595 // select the first menu item. |
2596 if (item->GetSubmenu()->GetMenuItemCount()) { | 2596 if (item->GetSubmenu()->GetMenuItemCount()) { |
2597 SetSelection(item->GetSubmenu()->GetMenuItemAt(0), false, false); | 2597 SetSelection(item->GetSubmenu()->GetMenuItemAt(0), false, false); |
2598 ScrollToVisible(item->GetSubmenu()->GetMenuItemAt(0)); | 2598 ScrollToVisible(item->GetSubmenu()->GetMenuItemAt(0)); |
2599 return; // return so else case can fall through. | 2599 return; // return so else case can fall through. |
2600 } | 2600 } |
2601 } | 2601 } |
2602 if (item->GetParentMenuItem()) { | 2602 if (item->GetParentMenuItem()) { |
2603 MenuItemView* parent = item->GetParentMenuItem(); | 2603 MenuItemView* parent = item->GetParentMenuItem(); |
2604 int parent_count = parent->GetSubmenu()->GetMenuItemCount(); | 2604 int parent_count = parent->GetSubmenu()->GetMenuItemCount(); |
2605 if (parent_count > 1) { | 2605 if (parent_count > 1) { |
2606 for (int i = 0; i < parent_count; ++i) { | 2606 for (int i = 0; i < parent_count; ++i) { |
2607 if (parent->GetSubmenu()->GetMenuItemAt(i) == item) { | 2607 if (parent->GetSubmenu()->GetMenuItemAt(i) == item) { |
2608 int next_index = (i + delta + parent_count) % parent_count; | 2608 int next_index = (i + delta + parent_count) % parent_count; |
2609 ScrollToVisible(parent->GetSubmenu()->GetMenuItemAt(next_index)); | 2609 ScrollToVisible(parent->GetSubmenu()->GetMenuItemAt(next_index)); |
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2757 else if (event.IsRightMouseButton()) | 2757 else if (event.IsRightMouseButton()) |
2758 event_type = in_client_area ? WM_RBUTTONDOWN : WM_NCRBUTTONDOWN; | 2758 event_type = in_client_area ? WM_RBUTTONDOWN : WM_NCRBUTTONDOWN; |
2759 else | 2759 else |
2760 event_type = 0; // Unknown mouse press. | 2760 event_type = 0; // Unknown mouse press. |
2761 | 2761 |
2762 if (event_type) { | 2762 if (event_type) { |
2763 if (in_client_area) { | 2763 if (in_client_area) { |
2764 PostMessage(window, event_type, event.GetWindowsFlags(), | 2764 PostMessage(window, event_type, event.GetWindowsFlags(), |
2765 MAKELPARAM(window_x, window_y)); | 2765 MAKELPARAM(window_x, window_y)); |
2766 } else { | 2766 } else { |
2767 PostMessage(window, WM_NCLBUTTONDOWN, nc_hit_result, | 2767 PostMessage(window, event_type, nc_hit_result, |
2768 MAKELPARAM(window_x, window_y)); | 2768 MAKELPARAM(screen_loc.x(), screen_loc.y())); |
2769 } | 2769 } |
2770 } | 2770 } |
2771 } | 2771 } |
2772 } | 2772 } |
2773 | 2773 |
2774 void MenuController::SetDropMenuItem( | 2774 void MenuController::SetDropMenuItem( |
2775 MenuItemView* new_target, | 2775 MenuItemView* new_target, |
2776 MenuDelegate::DropPosition new_position) { | 2776 MenuDelegate::DropPosition new_position) { |
2777 if (new_target == drop_target_ && new_position == drop_position_) | 2777 if (new_target == drop_target_ && new_position == drop_position_) |
2778 return; | 2778 return; |
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2796 if (!scroll_task_.get()) | 2796 if (!scroll_task_.get()) |
2797 scroll_task_.reset(new MenuScrollTask()); | 2797 scroll_task_.reset(new MenuScrollTask()); |
2798 scroll_task_->Update(part); | 2798 scroll_task_->Update(part); |
2799 } | 2799 } |
2800 | 2800 |
2801 void MenuController::StopScrolling() { | 2801 void MenuController::StopScrolling() { |
2802 scroll_task_.reset(NULL); | 2802 scroll_task_.reset(NULL); |
2803 } | 2803 } |
2804 | 2804 |
2805 } // namespace views | 2805 } // namespace views |
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