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Unified Diff: ash/common/wm/overview/window_selector.h

Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 10 months ago
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Index: ash/common/wm/overview/window_selector.h
diff --git a/ash/common/wm/overview/window_selector.h b/ash/common/wm/overview/window_selector.h
deleted file mode 100644
index a5cb74386e85c081ecb2aa3dd8cc009bc8a9c381..0000000000000000000000000000000000000000
--- a/ash/common/wm/overview/window_selector.h
+++ /dev/null
@@ -1,200 +0,0 @@
-// Copyright 2013 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_COMMON_WM_OVERVIEW_WINDOW_SELECTOR_H_
-#define ASH_COMMON_WM_OVERVIEW_WINDOW_SELECTOR_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <set>
-#include <vector>
-
-#include "ash/ash_export.h"
-#include "ash/common/wm_activation_observer.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "ui/aura/window_observer.h"
-#include "ui/display/display_observer.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/views/controls/textfield/textfield_controller.h"
-
-namespace views {
-class Textfield;
-class Widget;
-}
-
-namespace ash {
-class WindowSelectorDelegate;
-class WindowSelectorItem;
-class WindowSelectorTest;
-class WindowGrid;
-
-// The WindowSelector shows a grid of all of your windows, allowing to select
-// one by clicking or tapping on it.
-class ASH_EXPORT WindowSelector : public display::DisplayObserver,
- public aura::WindowObserver,
- public WmActivationObserver,
- public views::TextfieldController {
- public:
- // Returns true if the window can be selected in overview mode.
- static bool IsSelectable(WmWindow* window);
-
- enum Direction { LEFT, UP, RIGHT, DOWN };
-
- using WindowList = std::vector<WmWindow*>;
-
- explicit WindowSelector(WindowSelectorDelegate* delegate);
- ~WindowSelector() override;
-
- // Initialize with the windows that can be selected.
- void Init(const WindowList& windows);
-
- // Perform cleanup that cannot be done in the destructor.
- void Shutdown();
-
- // Cancels window selection.
- void CancelSelection();
-
- // Called when the last window selector item from a grid is deleted.
- void OnGridEmpty(WindowGrid* grid);
-
- // Moves the current selection by |increment| items. Positive values of
- // |increment| move the selection forward, negative values move it backward.
- void IncrementSelection(int increment);
-
- // Accepts current selection if any. Returns true if a selection was made,
- // false otherwise.
- bool AcceptSelection();
-
- // Activates |item's| window.
- void SelectWindow(WindowSelectorItem* item);
-
- // Called when |window| is about to get closed.
- void WindowClosing(WindowSelectorItem* window);
-
- WindowSelectorDelegate* delegate() { return delegate_; }
-
- bool restoring_minimized_windows() const {
- return restoring_minimized_windows_;
- }
-
- int text_filter_bottom() const { return text_filter_bottom_; }
-
- bool is_shut_down() const { return is_shut_down_; }
-
- // display::DisplayObserver:
- void OnDisplayAdded(const display::Display& display) override;
- void OnDisplayRemoved(const display::Display& display) override;
- void OnDisplayMetricsChanged(const display::Display& display,
- uint32_t metrics) override;
-
- // aura::WindowObserver:
- void OnWindowHierarchyChanged(const HierarchyChangeParams& params) override;
- void OnWindowDestroying(aura::Window* window) override;
-
- // WmActivationObserver
- void OnWindowActivated(WmWindow* gained_active,
- WmWindow* lost_active) override;
- void OnAttemptToReactivateWindow(WmWindow* request_active,
- WmWindow* actual_active) override;
-
- // views::TextfieldController:
- void ContentsChanged(views::Textfield* sender,
- const base::string16& new_contents) override;
- bool HandleKeyEvent(views::Textfield* sender,
- const ui::KeyEvent& key_event) override;
-
- private:
- friend class WindowSelectorTest;
-
- // Returns the WmWindow for |text_filter_widget_|.
- WmWindow* GetTextFilterWidgetWindow();
-
- // Position all of the windows in the overview.
- void PositionWindows(bool animate);
-
- // Repositions and resizes |text_filter_widget_| on
- // DisplayMetricsChanged event.
- void RepositionTextFilterOnDisplayMetricsChange();
-
- // |focus|, restores focus to the stored window.
- void ResetFocusRestoreWindow(bool focus);
-
- // Helper function that moves the selection widget to |direction| on the
- // corresponding window grid.
- void Move(Direction direction, bool animate);
-
- // Removes all observers that were registered during construction and/or
- // initialization.
- void RemoveAllObservers();
-
- // Tracks observed windows.
- std::set<WmWindow*> observed_windows_;
-
- // Weak pointer to the selector delegate which will be called when a
- // selection is made.
- WindowSelectorDelegate* delegate_;
-
- // A weak pointer to the window which was focused on beginning window
- // selection. If window selection is canceled the focus should be restored to
- // this window.
- WmWindow* restore_focus_window_;
-
- // True when performing operations that may cause window activations. This is
- // used to prevent handling the resulting expected activation.
- bool ignore_activations_;
-
- // List of all the window overview grids, one for each root window.
- std::vector<std::unique_ptr<WindowGrid>> grid_list_;
-
- // Tracks the index of the root window the selection widget is in.
- size_t selected_grid_index_;
-
- // The following variables are used for metric collection purposes. All of
- // them refer to this particular overview session and are not cumulative:
- // The time when overview was started.
- base::Time overview_start_time_;
-
- // The number of arrow key presses.
- size_t num_key_presses_;
-
- // The number of items in the overview.
- size_t num_items_;
-
- // Indicates if the text filter is shown on screen (rather than above it).
- bool showing_text_filter_;
-
- // Window text filter widget. As the user writes on it, we filter the items
- // in the overview. It is also responsible for handling overview key events,
- // such as enter key to select.
- std::unique_ptr<views::Widget> text_filter_widget_;
-
- // Image used for text filter textfield.
- gfx::ImageSkia search_image_;
-
- // The current length of the string entered into the text filtering textfield.
- size_t text_filter_string_length_;
-
- // The number of times the text filtering textfield has been cleared of text
- // during this overview mode session.
- size_t num_times_textfield_cleared_;
-
- // Tracks whether minimized windows are currently being restored for overview
- // mode.
- bool restoring_minimized_windows_;
-
- // The distance between the top edge of the screen and the bottom edge of
- // the text filtering textfield.
- int text_filter_bottom_;
-
- bool is_shut_down_ = false;
-
- DISALLOW_COPY_AND_ASSIGN(WindowSelector);
-};
-
-} // namespace ash
-
-#endif // ASH_COMMON_WM_OVERVIEW_WINDOW_SELECTOR_H_
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