Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(51)

Unified Diff: ash/common/wm/dock/docked_window_layout_manager.h

Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « ash/common/wm/dock/dock_types.h ('k') | ash/common/wm/dock/docked_window_layout_manager.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: ash/common/wm/dock/docked_window_layout_manager.h
diff --git a/ash/common/wm/dock/docked_window_layout_manager.h b/ash/common/wm/dock/docked_window_layout_manager.h
deleted file mode 100644
index a3f5784d9610346e09c6b30757d1eaabc7d04dde..0000000000000000000000000000000000000000
--- a/ash/common/wm/dock/docked_window_layout_manager.h
+++ /dev/null
@@ -1,322 +0,0 @@
-// Copyright (c) 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_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_
-#define ASH_COMMON_WM_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/shell_observer.h"
-#include "ash/common/wm/dock/dock_types.h"
-#include "ash/common/wm/dock/docked_window_layout_manager_observer.h"
-#include "ash/common/wm/window_state_observer.h"
-#include "ash/common/wm/wm_snap_to_pixel_layout_manager.h"
-#include "ash/common/wm_activation_observer.h"
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "base/time/time.h"
-#include "ui/aura/window_observer.h"
-#include "ui/display/display_observer.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/keyboard/keyboard_controller_observer.h"
-
-namespace ash {
-class DockedBackgroundWidget;
-class DockedWindowLayoutManagerObserver;
-class DockedWindowResizerTest;
-class RootWindowController;
-class WmShelf;
-
-// DockedWindowLayoutManager is responsible for organizing windows when they are
-// docked to the side of a screen. It is associated with a specific container
-// window (i.e. kShellWindowId_DockedContainer) and controls the layout of any
-// windows added to that container.
-//
-// The constructor takes a |dock_container| argument which is expected to set
-// its layout manager to this instance, e.g.:
-// dock_container->SetLayoutManager(
-// new DockedWindowLayoutManager(dock_container));
-//
-// TODO(varkha): extend BaseLayoutManager instead of LayoutManager to inherit
-// common functionality.
-class ASH_EXPORT DockedWindowLayoutManager
- : public wm::WmSnapToPixelLayoutManager,
- public display::DisplayObserver,
- public aura::WindowObserver,
- public WmActivationObserver,
- public ShellObserver,
- public keyboard::KeyboardControllerObserver,
- public wm::WindowStateObserver {
- public:
- // Maximum width of the docked windows area.
- static const int kMaxDockWidth;
-
- // Minimum width of the docked windows area.
- static const int kMinDockWidth;
-
- explicit DockedWindowLayoutManager(WmWindow* dock_container);
- ~DockedWindowLayoutManager() override;
-
- // Returns the DockedWindowLayoutManager in the specified hierarchy. This
- // searches from the root of |window|.
- static DockedWindowLayoutManager* Get(WmWindow* window);
-
- // Disconnects observers before container windows get destroyed.
- void Shutdown();
-
- // Management of the observer list.
- virtual void AddObserver(DockedWindowLayoutManagerObserver* observer);
- virtual void RemoveObserver(DockedWindowLayoutManagerObserver* observer);
-
- // Called by a DockedWindowResizer to update which window is being dragged.
- // Starts observing the window unless it is a child.
- void StartDragging(WmWindow* window);
-
- // Called by a DockedWindowResizer when a dragged window is docked.
- void DockDraggedWindow(WmWindow* window);
-
- // Called by a DockedWindowResizer when a dragged window is no longer docked.
- void UndockDraggedWindow();
-
- // Called by a DockedWindowResizer when a window is no longer being dragged.
- // Stops observing the window unless it is a child.
- // Records |action| by |source| in UMA.
- void FinishDragging(DockedAction action, DockedActionSource source);
-
- // Checks the rules and possibly updates the docked layout to match
- // the |alignment|. May not apply the |alignment| when
- // the current shelf alignment conflicts. Never clears the |alignment_|.
- void MaybeSetDesiredDockedAlignment(DockedAlignment alignment);
-
- WmShelf* shelf() { return shelf_; }
- void SetShelf(WmShelf* shelf);
-
- // Calculates if a window is touching the screen edges and returns edge.
- DockedAlignment GetAlignmentOfWindow(const WmWindow* window) const;
-
- // Used to snap docked windows to the side of screen during drag.
- DockedAlignment CalculateAlignment() const;
-
- void set_preferred_alignment(DockedAlignment preferred_alignment) {
- preferred_alignment_ = preferred_alignment;
- }
-
- void set_event_source(DockedActionSource event_source) {
- event_source_ = event_source;
- }
-
- // Returns true when a window can be docked. Windows cannot be docked at the
- // edge used by the shelf or the edge opposite from existing dock.
- bool CanDockWindow(WmWindow* window, DockedAlignment desired_alignment);
-
- WmWindow* dock_container() const { return dock_container_; }
-
- // Returns current bounding rectangle of docked windows area.
- const gfx::Rect& docked_bounds() const { return docked_bounds_; }
-
- // Returns last known coordinates of |dragged_window_| after Relayout.
- const gfx::Rect dragged_bounds() const { return dragged_bounds_; }
-
- // Returns true if currently dragged window is docked at the screen edge.
- bool is_dragged_window_docked() const { return is_dragged_window_docked_; }
-
- // Updates docked layout when shelf bounds change.
- void OnShelfBoundsChanged();
-
- // SnapLayoutManager:
- void OnWindowResized() override;
- void OnWindowAddedToLayout(WmWindow* child) override;
- void OnWillRemoveWindowFromLayout(WmWindow* child) override {}
- void OnWindowRemovedFromLayout(WmWindow* child) override;
- void OnChildWindowVisibilityChanged(WmWindow* child, bool visibile) override;
- void SetChildBounds(WmWindow* child,
- const gfx::Rect& requested_bounds) override;
-
- // display::DisplayObserver:
- void OnDisplayMetricsChanged(const display::Display& display,
- uint32_t changed_metrics) override;
-
- // wm::WindowStateObserver:
- void OnPreWindowStateTypeChange(wm::WindowState* window_state,
- wm::WindowStateType old_type) override;
-
- // aura::WindowObserver:
- void OnWindowBoundsChanged(aura::Window* window,
- const gfx::Rect& old_bounds,
- const gfx::Rect& new_bounds) override;
- void OnWindowVisibilityChanging(aura::Window* window, bool visible) override;
- void OnWindowDestroying(aura::Window* window) override;
-
- // WmActivationObserver:
- void OnWindowActivated(WmWindow* gained_active,
- WmWindow* lost_active) override;
-
- // ShellObserver:
- void OnShelfAlignmentChanged(WmWindow* root_window) override;
- void OnFullscreenStateChanged(bool is_fullscreen,
- WmWindow* root_window) override;
- void OnOverviewModeStarting() override;
- void OnOverviewModeEnded() override;
-
- private:
- struct CompareMinimumHeight;
- struct CompareWindowPos;
- class ShelfWindowObserver;
- struct WindowWithHeight;
-
- friend class DockedWindowLayoutManagerTest;
- friend class DockedWindowResizerTest;
-
- // Width of the gap between the docked windows and a workspace.
- static const int kMinDockGap;
-
- // Ideal (starting) width of the dock.
- static const int kIdealWidth;
-
- // Returns the alignment of the docked windows other than the |child|.
- DockedAlignment CalculateAlignmentExcept(const WmWindow* child) const;
-
- // Determines if the |alignment| is applicable taking into account
- // the shelf alignment.
- bool IsDockedAlignmentValid(DockedAlignment alignment) const;
-
- // Keep at most kMaxVisibleWindows visible in the dock and minimize the rest
- // (except for |child|).
- void MaybeMinimizeChildrenExcept(WmWindow* child);
-
- // Minimize / restore window and relayout.
- void MinimizeDockedWindow(wm::WindowState* window_state);
- void RestoreDockedWindow(wm::WindowState* window_state);
-
- // Record user-initiated |action| by |source| in UMA metrics.
- void RecordUmaAction(DockedAction action, DockedActionSource source);
-
- // Updates |docked_width_| and UMA histograms.
- void UpdateDockedWidth(int width);
-
- // Updates docked layout state when a window gets inside the dock.
- void OnDraggedWindowDocked(WmWindow* window);
-
- // Updates docked layout state when a window gets outside the dock.
- void OnDraggedWindowUndocked();
-
- // Returns true if there are any windows currently docked.
- bool IsAnyWindowDocked();
-
- // Returns DOCKED_ALIGNMENT_LEFT if the |window|'s left edge is closer to
- // the |dock_container_|'s left edge than the |window|'s right edge to
- // the |dock_container_|'s right edge. Returns DOCKED_ALIGNMENT_RIGHT
- // otherwise.
- DockedAlignment GetEdgeNearestWindow(const WmWindow* window) const;
-
- // Called whenever the window layout might change.
- void Relayout();
-
- // Calculates target heights (and fills it in |visible_windows| array) such
- // that the vertical space is fairly distributed among the windows taking
- // into account their minimum and maximum size. Returns free vertical space
- // (positive value) that remains after resizing all windows or deficit
- // (negative value) if not all the windows fit.
- int CalculateWindowHeightsAndRemainingRoom(
- const gfx::Rect& work_area,
- std::vector<WindowWithHeight>* visible_windows);
-
- // Calculate ideal width for the docked area. It will get used to adjust the
- // dragged window or other windows as necessary.
- int CalculateIdealWidth(const std::vector<WindowWithHeight>& visible_windows);
-
- // Fan out windows evenly distributing the overlap or remaining free space.
- // Adjust the widths of the windows trying to make them all same. If this
- // is not possible, center the windows in the docked area.
- void FanOutChildren(const gfx::Rect& work_area,
- int ideal_docked_width,
- int available_room,
- std::vector<WindowWithHeight>* visible_windows);
-
- // Updates |docked_bounds_| and workspace insets when bounds of docked windows
- // area change. Passing |reason| to observers allows selectively skipping
- // notifications.
- void UpdateDockBounds(DockedWindowLayoutManagerObserver::Reason reason);
-
- // Called whenever the window stacking order needs to be updated (e.g. focus
- // changes or a window is moved).
- void UpdateStacking(WmWindow* active_window);
-
- // keyboard::KeyboardControllerObserver:
- void OnKeyboardBoundsChanging(const gfx::Rect& keyboard_bounds) override;
- void OnKeyboardClosed() override;
-
- // Parent window associated with this layout manager.
- WmWindow* dock_container_;
-
- RootWindowController* root_window_controller_;
-
- // Protect against recursive calls to Relayout().
- bool in_layout_;
-
- // A window that is being dragged (whether docked or not).
- // Windows are tracked by docked layout manager only if they are docked;
- // however we need to know if a window is being dragged in order to avoid
- // positioning it or even considering it for layout.
- WmWindow* dragged_window_;
-
- // True if the window being dragged is currently docked.
- bool is_dragged_window_docked_;
-
- // Previously docked windows use a more relaxed dragging sorting algorithm
- // that uses assumption that a window starts being dragged out of position
- // that was previously established in Relayout. This allows easier reordering.
- bool is_dragged_from_dock_;
-
- // The shelf to respond to alignment changes.
- WmShelf* shelf_;
-
- // Tracks if any window in the same root window is in fullscreen mode.
- bool in_fullscreen_;
- // Current width of the dock.
- int docked_width_;
-
- // Last bounds that were sent to observers.
- gfx::Rect docked_bounds_;
-
- // Target bounds of a docked window being dragged.
- gfx::Rect dragged_bounds_;
-
- // True while in overview mode.
- bool in_overview_;
-
- // Side of the screen that the dock is positioned at.
- DockedAlignment alignment_;
-
- // The preferred alignment of the next window to be added to docked layout.
- DockedAlignment preferred_alignment_;
-
- // The current event source
- DockedActionSource event_source_;
-
- // The last active window. Used to maintain stacking order even if no windows
- // are currently focused.
- WmWindow* last_active_window_;
-
- // Timestamp of the last user-initiated action that changed docked state.
- // Used in UMA metrics.
- base::Time last_action_time_;
-
- // Observes shelf for bounds changes.
- std::unique_ptr<ShelfWindowObserver> shelf_observer_;
-
- // Widget used to paint a background for the docked area.
- std::unique_ptr<DockedBackgroundWidget> background_widget_;
-
- // Observers of dock bounds changes.
- base::ObserverList<DockedWindowLayoutManagerObserver> observer_list_;
-
- DISALLOW_COPY_AND_ASSIGN(DockedWindowLayoutManager);
-};
-
-} // namespace ash
-
-#endif // ASH_COMMON_WM_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_
« no previous file with comments | « ash/common/wm/dock/dock_types.h ('k') | ash/common/wm/dock/docked_window_layout_manager.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698