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Side by Side Diff: ash/wm/overview/window_selector_item.h

Issue 23654037: Add panels as a single group of windows per display for overview window cycling. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 3 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
6 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
7
8 #include "base/compiler_specific.h"
9 #include "ui/gfx/rect.h"
10
11 namespace aura {
12 class RootWindow;
13 class Window;
14 }
15
16 namespace ash {
17
18 // This class represents an item in overview mode. An item can have one or more
19 // windows, of which only one can be activated by keyboard (i.e. alt+tab) but
20 // any can be selected with a pointer (touch or mouse).
21 class WindowSelectorItem {
22 public:
23 WindowSelectorItem();
24 virtual ~WindowSelectorItem();
25
26 // Returns the root window on which this item is shown.
27 virtual const aura::RootWindow* GetRootWindow() const = 0;
28
29 // Returns the targeted window given the event |target| window.
30 // Returns NULL if no Window in this item was selected.
31 virtual aura::Window* TargetedWindow(const aura::Window* target) const = 0;
32
33 // Restores |window| on exiting window overview rather than returning it
34 // to its previous state.
35 virtual void RestoreWindowOnExit(aura::Window* window) = 0;
36
37 // Returns the |window| to activate on selecting of this item.
38 virtual aura::Window* SelectionWindow() const = 0;
39
40 // Removes |window| from this item. Check empty() after calling this to see
41 // if the entire item is now empty.
42 virtual void RemoveWindow(const aura::Window* window) = 0;
43
44 // Returns true if this item has no more selectable windows (i.e. after
45 // calling RemoveWindow for the last contained window).
46 virtual bool empty() const = 0;
47
48 // Sets the bounds of this window selector item to |target_bounds| in the
49 // |root_window| root window.
50 virtual void SetBounds(aura::RootWindow* root_window,
51 const gfx::Rect& target_bounds);
52
53 // Returns the current bounds of this selector item.
54 const gfx::Rect& bounds() { return fit_bounds_; }
sky 2013/09/13 21:46:44 either name this fit_bounds() to match member (sty
flackr 2013/09/13 22:28:38 Done.
55
56 private:
57 // The bounds this item is fit to.
58 gfx::Rect fit_bounds_;
59
60 DISALLOW_COPY_AND_ASSIGN(WindowSelectorItem);
61 };
62
63 } // namespace ash
64
65 #endif // ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
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