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Diffstat (limited to 'chromium/ash/shelf/shelf_view.h')
| -rw-r--r-- | chromium/ash/shelf/shelf_view.h | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/chromium/ash/shelf/shelf_view.h b/chromium/ash/shelf/shelf_view.h deleted file mode 100644 index 1f090e612a4..00000000000 --- a/chromium/ash/shelf/shelf_view.h +++ /dev/null @@ -1,458 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef ASH_SHELF_SHELF_VIEW_H_ -#define ASH_SHELF_SHELF_VIEW_H_ - -#include <utility> -#include <vector> - -#include "ash/shelf/shelf_button_host.h" -#include "ash/shelf/shelf_model_observer.h" -#include "ash/wm/gestures/shelf_gesture_handler.h" -#include "base/observer_list.h" -#include "ui/app_list/views/app_list_drag_and_drop_host.h" -#include "ui/views/animation/bounds_animator_observer.h" -#include "ui/views/context_menu_controller.h" -#include "ui/views/controls/button/button.h" -#include "ui/views/focus/focus_manager.h" -#include "ui/views/view.h" - -namespace views { -class BoundsAnimator; -class MenuModelAdapter; -class MenuRunner; -class ViewModel; -} - -namespace ash { - -namespace test { -class ShelfViewTestAPI; -} - -class ShelfDelegate; -class ShelfIconObserver; -class ShelfItemDelegateManager; -class ShelfModel; -struct LauncherItem; - -namespace internal { - -class DragImageView; -class OverflowBubble; -class OverflowButton; -class ShelfButton; -class ShelfLayoutManager; -class ShelfTooltipManager; - -extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_BOTTOM; -extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_LEFT; -extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_RIGHT; -extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_COUNT; - -class ASH_EXPORT ShelfView : public views::View, - public ShelfModelObserver, - public views::ButtonListener, - public ShelfButtonHost, - public views::ContextMenuController, - public views::FocusTraversable, - public views::BoundsAnimatorObserver, - public app_list::ApplicationDragAndDropHost { - public: - ShelfView(ShelfModel* model, - ShelfDelegate* delegate, - ShelfLayoutManager* manager); - virtual ~ShelfView(); - - ShelfTooltipManager* tooltip_manager() { return tooltip_.get(); } - - ShelfLayoutManager* shelf_layout_manager() { return layout_manager_; } - - ShelfModel* model() { return model_; } - - void Init(); - - void OnShelfAlignmentChanged(); - void SchedulePaintForAllButtons(); - - // Returns the ideal bounds of the specified item, or an empty rect if id - // isn't know. - gfx::Rect GetIdealBoundsOfItemIcon(LauncherID id); - - // Repositions the icon for the specified item by the midpoint of the window. - void UpdatePanelIconPosition(LauncherID id, const gfx::Point& midpoint); - - void AddIconObserver(ShelfIconObserver* observer); - void RemoveIconObserver(ShelfIconObserver* observer); - - // Returns true if we're showing a menu. - bool IsShowingMenu() const; - - // Returns true if overflow bubble is shown. - bool IsShowingOverflowBubble() const; - - // Sets owner overflow bubble instance from which this shelf view pops - // out as overflow. - void set_owner_overflow_bubble(OverflowBubble* owner) { - owner_overflow_bubble_ = owner; - } - - views::View* GetAppListButtonView() const; - - // Returns true if the mouse cursor exits the area for launcher tooltip. - // There are thin gaps between launcher buttons but the tooltip shouldn't hide - // in the gaps, but the tooltip should hide if the mouse moved totally outside - // of the buttons area. - bool ShouldHideTooltip(const gfx::Point& cursor_location); - - // Returns rectangle bounding all visible launcher items. Used screen - // coordinate system. - gfx::Rect GetVisibleItemsBoundsInScreen(); - - // Overridden from FocusTraversable: - virtual views::FocusSearch* GetFocusSearch() OVERRIDE; - virtual FocusTraversable* GetFocusTraversableParent() OVERRIDE; - virtual View* GetFocusTraversableParentView() OVERRIDE; - - // Overridden from app_list::ApplicationDragAndDropHost: - virtual void CreateDragIconProxy( - const gfx::Point& location_in_screen_coordinates, - const gfx::ImageSkia& icon, - views::View* replaced_view, - const gfx::Vector2d& cursor_offset_from_center, - float scale_factor) OVERRIDE; - virtual void UpdateDragIconProxy( - const gfx::Point& location_in_screen_coordinates) OVERRIDE; - virtual void DestroyDragIconProxy() OVERRIDE; - virtual bool StartDrag( - const std::string& app_id, - const gfx::Point& location_in_screen_coordinates) OVERRIDE; - virtual bool Drag(const gfx::Point& location_in_screen_coordinates) OVERRIDE; - virtual void EndDrag(bool cancel) OVERRIDE; - - // Return the view model for test purposes. - const views::ViewModel* const view_model_for_test() const { - return view_model_.get(); - } - - private: - friend class ash::test::ShelfViewTestAPI; - - class FadeOutAnimationDelegate; - class StartFadeAnimationDelegate; - - struct IdealBounds { - gfx::Rect overflow_bounds; - }; - - enum RemovableState { - REMOVABLE, // Item can be removed when dragged away. - DRAGGABLE, // Item can be dragged, but will snap always back to origin. - NOT_REMOVABLE, // Item is fixed and can never be removed. - }; - - // Returns true when this ShelfView is used for Overflow Bubble. - // In this mode, it does not show app list, panel and overflow button. - // Note: - // * When Shelf can contain only one item (overflow button) due to very - // small resolution screen, overflow bubble can show app list and panel - // button. - bool is_overflow_mode() const { return overflow_mode_; } - - bool dragging() const { - return drag_pointer_ != NONE; - } - - // Sets the bounds of each view to its ideal bounds. - void LayoutToIdealBounds(); - - // Update all button's visibility in overflow. - void UpdateAllButtonsVisibilityInOverflowMode(); - - // Calculates the ideal bounds. The bounds of each button corresponding to an - // item in the model is set in |view_model_|. - void CalculateIdealBounds(IdealBounds* bounds); - - // Returns the index of the last view whose max primary axis coordinate is - // less than |max_value|. Returns -1 if nothing fits, or there are no views. - int DetermineLastVisibleIndex(int max_value) const; - - // Returns the index of the first panel whose min primary axis coordinate is - // at least |min_value|. Returns the index past the last panel if none fit. - int DetermineFirstVisiblePanelIndex(int min_value) const; - - // Animates the bounds of each view to its ideal bounds. - void AnimateToIdealBounds(); - - // Creates the view used to represent |item|. - views::View* CreateViewForItem(const LauncherItem& item); - - // Fades |view| from an opacity of 0 to 1. This is when adding a new item. - void FadeIn(views::View* view); - - // Invoked when the pointer has moved enough to trigger a drag. Sets - // internal state in preparation for the drag. - void PrepareForDrag(Pointer pointer, const ui::LocatedEvent& event); - - // Invoked when the mouse is dragged. Updates the models as appropriate. - void ContinueDrag(const ui::LocatedEvent& event); - - // Handles ripping off an item from the shelf. Returns true when the item got - // removed. - bool HandleRipOffDrag(const ui::LocatedEvent& event); - - // Finalize the rip off dragging by either |cancel| the action or validating. - void FinalizeRipOffDrag(bool cancel); - - // Check if an item can be ripped off or not. - RemovableState RemovableByRipOff(int index); - - // Returns true if |typea| and |typeb| should be in the same drag range. - bool SameDragType(LauncherItemType typea, LauncherItemType typeb) const; - - // Returns the range (in the model) the item at the specified index can be - // dragged to. - std::pair<int, int> GetDragRange(int index); - - // If there is a drag operation in progress it's canceled. If |modified_index| - // is valid, the new position of the corresponding item is returned. - int CancelDrag(int modified_index); - - // Returns rectangle bounds used for drag insertion. - // Note: - // * When overflow button is visible, returns bounds from first item - // to overflow button. - // * When overflow button is visible and one or more panel items exists, - // returns bounds from first item to last panel item. - // * In the overflow mode, returns only bubble's bounds. - gfx::Rect GetBoundsForDragInsertInScreen(); - - // Common setup done for all children. - void ConfigureChildView(views::View* view); - - // Toggles the overflow menu. - void ToggleOverflowBubble(); - - // Update first launcher button's padding. This method adds padding to the - // first button to include the leading inset. It needs to be called once on - // button creation and every time when shelf alignment is changed. - void UpdateFirstButtonPadding(); - - // Invoked after the fading out animation for item deletion is ended. - void OnFadeOutAnimationEnded(); - - // Fade in last visible item. - void StartFadeInLastVisibleItem(); - - // Updates the visible range of overflow items in |overflow_view|. - void UpdateOverflowRange(ShelfView* overflow_view); - - // Returns the launcher button size. - int GetButtonSize() const; - - // Returns the button spacing. - int GetButtonSpacing() const; - - // Overridden from views::View: - virtual gfx::Size GetPreferredSize() OVERRIDE; - virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE; - virtual FocusTraversable* GetPaneFocusTraversable() OVERRIDE; - virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; - - // Overridden from ui::EventHandler: - virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; - - // Overridden from ShelfModelObserver: - virtual void ShelfItemAdded(int model_index) OVERRIDE; - virtual void ShelfItemRemoved(int model_index, LauncherID id) OVERRIDE; - virtual void ShelfItemChanged(int model_index, - const LauncherItem& old_item) OVERRIDE; - virtual void ShelfItemMoved(int start_index, int target_index) OVERRIDE; - virtual void ShelfStatusChanged() OVERRIDE; - - // Overridden from ShelfButtonHost: - virtual void PointerPressedOnButton(views::View* view, - Pointer pointer, - const ui::LocatedEvent& event) OVERRIDE; - virtual void PointerDraggedOnButton(views::View* view, - Pointer pointer, - const ui::LocatedEvent& event) OVERRIDE; - virtual void PointerReleasedOnButton(views::View* view, - Pointer pointer, - bool canceled) OVERRIDE; - virtual void MouseMovedOverButton(views::View* view) OVERRIDE; - virtual void MouseEnteredButton(views::View* view) OVERRIDE; - virtual void MouseExitedButton(views::View* view) OVERRIDE; - virtual base::string16 GetAccessibleName(const views::View* view) OVERRIDE; - - // Overridden from views::ButtonListener: - virtual void ButtonPressed(views::Button* sender, - const ui::Event& event) OVERRIDE; - - // Show the list of all running items for this |item|. It will return true - // when the menu was shown and false if there were no possible items to - // choose from. |source| specifies the view which is responsible for showing - // the menu, and the bubble will point towards it. - // The |event_flags| are the flags of the event which triggered this menu. - bool ShowListMenuForView(const LauncherItem& item, - views::View* source, - const ui::Event& event); - - // Overridden from views::ContextMenuController: - virtual void ShowContextMenuForView(views::View* source, - const gfx::Point& point, - ui::MenuSourceType source_type) OVERRIDE; - - // Show either a context or normal click menu of given |menu_model_adapter|. - // If |context_menu| is set, the displayed menu is a context menu and not - // a menu listing one or more running applications. - // The |click_point| is only used for |context_menu|'s. - void ShowMenu(scoped_ptr<views::MenuModelAdapter> menu_model_adapter, - views::View* source, - const gfx::Point& click_point, - bool context_menu, - ui::MenuSourceType source_type); - - // Overridden from views::BoundsAnimatorObserver: - virtual void OnBoundsAnimatorProgressed( - views::BoundsAnimator* animator) OVERRIDE; - virtual void OnBoundsAnimatorDone(views::BoundsAnimator* animator) OVERRIDE; - - // Returns false if the click which closed the previous menu is the click - // which triggered this event. - bool IsUsableEvent(const ui::Event& event); - - // Convenience accessor to model_->items(). - const LauncherItem* LauncherItemForView(const views::View* view) const; - - // Returns true if a tooltip should be shown for |view|. - bool ShouldShowTooltipForView(const views::View* view) const; - - // Get the distance from the given |coordinate| to the closest point on this - // launcher/shelf. - int CalculateShelfDistance(const gfx::Point& coordinate) const; - - // The model; owned by Launcher. - ShelfModel* model_; - - // Delegate; owned by Launcher. - ShelfDelegate* delegate_; - - // Used to manage the set of active launcher buttons. There is a view per - // item in |model_|. - scoped_ptr<views::ViewModel> view_model_; - - // Index of first visible launcher item. - int first_visible_index_; - - // Last index of a launcher button that is visible - // (does not go into overflow). - int last_visible_index_; - - scoped_ptr<views::BoundsAnimator> bounds_animator_; - - OverflowButton* overflow_button_; - - scoped_ptr<OverflowBubble> overflow_bubble_; - - OverflowBubble* owner_overflow_bubble_; - - scoped_ptr<ShelfTooltipManager> tooltip_; - - // Pointer device that initiated the current drag operation. If there is no - // current dragging operation, this is NONE. - Pointer drag_pointer_; - - // The view being dragged. This is set immediately when the mouse is pressed. - // |dragging_| is set only if the mouse is dragged far enough. - views::View* drag_view_; - - // X coordinate of the mouse down event in |drag_view_|s coordinates. - int drag_offset_; - - // Index |drag_view_| was initially at. - int start_drag_index_; - - // Used for the context menu of a particular item. - LauncherID context_menu_id_; - - scoped_ptr<views::FocusSearch> focus_search_; - - scoped_ptr<views::MenuRunner> launcher_menu_runner_; - - ObserverList<ShelfIconObserver> observers_; - - // Amount content is inset on the left edge (or top edge for vertical - // alignment). - int leading_inset_; - - ShelfGestureHandler gesture_handler_; - - // True when an item being inserted or removed in the model cancels a drag. - bool cancelling_drag_model_changed_; - - // Index of the last hidden launcher item. If there are no hidden items this - // will be equal to last_visible_index_ + 1. - int last_hidden_index_; - - // The timestamp of the event which closed the last menu - or 0. - base::TimeDelta closing_event_time_; - - // When this object gets deleted while a menu is shown, this pointed - // element will be set to false. - bool* got_deleted_; - - // True if a drag and drop operation created/pinned the item in the launcher - // and it needs to be deleted/unpinned again if the operation gets cancelled. - bool drag_and_drop_item_pinned_; - - // The launcher item which is currently used for a drag and a drop operation - // or 0 otherwise. - LauncherID drag_and_drop_launcher_id_; - - // The application ID of the application which we drag and drop. - std::string drag_and_drop_app_id_; - - // The original launcher item's size before the dragging operation. - gfx::Size pre_drag_and_drop_size_; - - // The image proxy for drag operations when a drag and drop host exists and - // the item can be dragged outside the app grid. - scoped_ptr<ash::internal::DragImageView> drag_image_; - - // The cursor offset to the middle of the dragged item. - gfx::Vector2d drag_image_offset_; - - // The view which gets replaced by our drag icon proxy. - views::View* drag_replaced_view_; - - // True when the icon was dragged off the shelf. - bool dragged_off_shelf_; - - // The rip off view when a snap back operation is underway. - views::View* snap_back_from_rip_off_view_; - - // Holds ShelfItemDelegateManager. - ShelfItemDelegateManager* item_manager_; - - // Holds ShelfLayoutManager. - ShelfLayoutManager* layout_manager_; - - // True when this ShelfView is used for Overflow Bubble. - bool overflow_mode_; - - // Holds a pointer to main ShelfView when a ShelfView is in overflow mode. - ShelfView* main_shelf_; - - // True when ripped item from overflow bubble is entered into Shelf. - bool dragged_off_from_overflow_to_shelf_; - - DISALLOW_COPY_AND_ASSIGN(ShelfView); -}; - -} // namespace internal -} // namespace ash - -#endif // ASH_SHELF_SHELF_VIEW_H_ |