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Unified Diff: ash/common/wm/workspace/workspace_window_resizer.h

Issue 2734653002: chromeos: Move files in //ash/common to //ash (Closed)
Patch Set: fix a11y tests, fix docs Created 3 years, 10 months ago
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Index: ash/common/wm/workspace/workspace_window_resizer.h
diff --git a/ash/common/wm/workspace/workspace_window_resizer.h b/ash/common/wm/workspace/workspace_window_resizer.h
deleted file mode 100644
index 03b027d977594680fcc344324436eed2e6702c1d..0000000000000000000000000000000000000000
--- a/ash/common/wm/workspace/workspace_window_resizer.h
+++ /dev/null
@@ -1,230 +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_COMMON_WM_WORKSPACE_WORKSPACE_WINDOW_RESIZER_H_
-#define ASH_COMMON_WM_WORKSPACE_WORKSPACE_WINDOW_RESIZER_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <vector>
-
-#include "ash/common/wm/window_resizer.h"
-#include "ash/common/wm/workspace/magnetism_matcher.h"
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "ui/aura/window_tracker.h"
-
-namespace ash {
-class DockedWindowLayoutManager;
-class PhantomWindowController;
-class TwoStepEdgeCycler;
-class WindowSize;
-class WmShell;
-
-namespace wm {
-class WindowState;
-}
-
-// WindowResizer implementation for workspaces. This enforces that windows are
-// not allowed to vertically move or resize outside of the work area. As windows
-// are moved outside the work area they are shrunk. We remember the height of
-// the window before it was moved so that if the window is again moved up we
-// attempt to restore the old height.
-class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
- public:
- // When dragging an attached window this is the min size we'll make sure is
- // visible. In the vertical direction we take the max of this and that from
- // the delegate.
- static const int kMinOnscreenSize;
-
- // Min height we'll force on screen when dragging the caption.
- // TODO: this should come from a property on the window.
- static const int kMinOnscreenHeight;
-
- // Snap region when dragging close to the edges. That is, as the window gets
- // this close to an edge of the screen it snaps to the edge.
- static const int kScreenEdgeInset;
-
- // Distance in pixels that the cursor must move past an edge for a window
- // to move or resize beyond that edge.
- static const int kStickyDistancePixels;
-
- ~WorkspaceWindowResizer() override;
-
- static WorkspaceWindowResizer* Create(
- wm::WindowState* window_state,
- const std::vector<WmWindow*>& attached_windows);
-
- // WindowResizer:
- void Drag(const gfx::Point& location_in_parent, int event_flags) override;
- void CompleteDrag() override;
- void RevertDrag() override;
-
- private:
- friend class WorkspaceWindowResizerTest;
-
- // The edge to which the window should be snapped at the end of the drag.
- enum SnapType { SNAP_LEFT, SNAP_RIGHT, SNAP_NONE };
-
- WorkspaceWindowResizer(wm::WindowState* window_state,
- const std::vector<WmWindow*>& attached_windows);
-
- // Lays out the attached windows. |bounds| is the bounds of the main window.
- void LayoutAttachedWindows(gfx::Rect* bounds);
-
- // Calculates the new sizes of the attached windows, given that the main
- // window has been resized (along the primary axis) by |delta|.
- // |available_size| is the maximum length of the space that the attached
- // windows are allowed to occupy (ie: the distance between the right/bottom
- // edge of the primary window and the right/bottom of the desktop area).
- // Populates |sizes| with the desired sizes of the attached windows, and
- // returns the number of pixels that couldn't be allocated to the attached
- // windows (due to min/max size constraints).
- // Note the return value can be positive or negative, a negative value
- // indicating that that many pixels couldn't be removed from the attached
- // windows.
- int CalculateAttachedSizes(int delta,
- int available_size,
- std::vector<int>* sizes) const;
-
- // Divides |amount| evenly between |sizes|. If |amount| is negative it
- // indicates how many pixels |sizes| should be shrunk by.
- // Returns how many pixels failed to be allocated/removed from |sizes|.
- int GrowFairly(int amount, std::vector<WindowSize>* sizes) const;
-
- // Calculate the ratio of pixels that each WindowSize in |sizes| should
- // receive when growing or shrinking.
- void CalculateGrowthRatios(const std::vector<WindowSize*>& sizes,
- std::vector<float>* out_ratios) const;
-
- // Adds a WindowSize to |sizes| for each attached window.
- void CreateBucketsForAttached(std::vector<WindowSize>* sizes) const;
-
- // If possible snaps the window to a neary window. Updates |bounds| if there
- // was a close enough window.
- void MagneticallySnapToOtherWindows(gfx::Rect* bounds);
-
- // If possible snaps the resize to a neary window. Updates |bounds| if there
- // was a close enough window.
- void MagneticallySnapResizeToOtherWindows(gfx::Rect* bounds);
-
- // Finds the neareset window to magentically snap to. Updates
- // |magnetism_window_| and |magnetism_edge_| appropriately. |edges| is a
- // bitmask of the MagnetismEdges to match again. Returns true if a match is
- // found.
- bool UpdateMagnetismWindow(const gfx::Rect& bounds, uint32_t edges);
-
- // Adjusts the bounds of the window: magnetically snapping, ensuring the
- // window has enough on screen... |snap_size| is the distance from an edge of
- // the work area before the window is snapped. A value of 0 results in no
- // snapping.
- void AdjustBoundsForMainWindow(int snap_size, gfx::Rect* bounds);
-
- // Stick the window bounds to the work area during a move.
- bool StickToWorkAreaOnMove(const gfx::Rect& work_area,
- int sticky_size,
- gfx::Rect* bounds) const;
-
- // Stick the window bounds to the work area during a resize.
- void StickToWorkAreaOnResize(const gfx::Rect& work_area,
- int sticky_size,
- gfx::Rect* bounds) const;
-
- // Returns a coordinate along the primary axis. Used to share code for
- // left/right multi window resize and top/bottom resize.
- int PrimaryAxisSize(const gfx::Size& size) const;
- int PrimaryAxisCoordinate(int x, int y) const;
-
- // Updates the bounds of the phantom window for window snapping.
- void UpdateSnapPhantomWindow(const gfx::Point& location,
- const gfx::Rect& bounds);
-
- // Restacks the windows z-order position so that one of the windows is at the
- // top of the z-order, and the rest directly underneath it.
- void RestackWindows();
-
- // Returns the edge to which the window should be snapped to if the user does
- // no more dragging. SNAP_NONE is returned if the window should not be
- // snapped.
- SnapType GetSnapType(const gfx::Point& location) const;
-
- // Returns true if |bounds_in_parent| are valid bounds for snapped state type
- // |snapped_type|.
- bool AreBoundsValidSnappedBounds(wm::WindowStateType snapped_type,
- const gfx::Rect& bounds_in_parent) const;
-
- // Docks or undocks the dragged window.
- void SetDraggedWindowDocked(bool should_dock);
-
- wm::WindowState* window_state() { return window_state_; }
-
- const std::vector<WmWindow*> attached_windows_;
-
- WmShell* shell_;
-
- // Returns the currently used instance for test.
- static WorkspaceWindowResizer* GetInstanceForTest();
-
- bool did_lock_cursor_;
-
- // Set to true once Drag() is invoked and the bounds of the window change.
- bool did_move_or_resize_;
-
- // True if the window initially had |bounds_changed_by_user_| set in state.
- bool initial_bounds_changed_by_user_;
-
- // The initial size of each of the windows in |attached_windows_| along the
- // primary axis.
- std::vector<int> initial_size_;
-
- // Sum of the minimum sizes of the attached windows.
- int total_min_;
-
- // Sum of the sizes in |initial_size_|.
- int total_initial_size_;
-
- // Gives a previews of where the the window will end up. Only used if there
- // is a grid and the caption is being dragged.
- std::unique_ptr<PhantomWindowController> snap_phantom_window_controller_;
-
- // Used to determine whether the window should be snapped or docked when
- // the user drags a window to the edge of the screen.
- std::unique_ptr<TwoStepEdgeCycler> edge_cycler_;
-
- // The edge to which the window should be snapped to at the end of the drag.
- SnapType snap_type_;
-
- // Number of mouse moves since the last bounds change. Only used for phantom
- // placement to track when the mouse is moved while pushed against the edge of
- // the screen.
- int num_mouse_moves_since_bounds_change_;
-
- // The mouse location passed to Drag().
- gfx::Point last_mouse_location_;
-
- // Window the drag has magnetically attached to.
- WmWindow* magnetism_window_;
-
- // Used to verify |magnetism_window_| is still valid.
- aura::WindowTracker window_tracker_;
-
- // If |magnetism_window_| is non-NULL this indicates how the two windows
- // should attach.
- MatchedEdge magnetism_edge_;
-
- // Dock container window layout manager.
- DockedWindowLayoutManager* dock_layout_;
-
- // Used to determine if this has been deleted during a drag such as when a tab
- // gets dragged into another browser window.
- base::WeakPtrFactory<WorkspaceWindowResizer> weak_ptr_factory_;
-
- DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizer);
-};
-
-} // namespace ash
-
-#endif // ASH_COMMON_WM_WORKSPACE_WORKSPACE_WINDOW_RESIZER_H_
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