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      1 // Copyright (c) 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_DOCK_DOCK_TYPES_H_
      6 #define ASH_WM_DOCK_DOCK_TYPES_H_
      7 
      8 namespace ash {
      9 
     10 namespace internal {
     11 
     12 // Possible values of which side of the screen the windows are docked at.
     13 // This is used by DockedwindowLayoutManager and DockedWindowResizer to
     14 // implement docking behavior including magnetism while dragging windows into
     15 // or out of the docked windows area.
     16 enum DockedAlignment {
     17   // No docked windows.
     18   DOCKED_ALIGNMENT_NONE,
     19 
     20   // Some windows are already docked on the left side of the screen.
     21   DOCKED_ALIGNMENT_LEFT,
     22 
     23   // Some windows are already docked on the right side of the screen.
     24   DOCKED_ALIGNMENT_RIGHT,
     25 };
     26 
     27 // User action recorded for use in UMA histograms.
     28 enum DockedAction {
     29   DOCKED_ACTION_NONE,       // Regular drag of undocked window. Not recorded.
     30   DOCKED_ACTION_DOCK,       // Dragged and docked a window.
     31   DOCKED_ACTION_UNDOCK,     // Dragged and undocked a window.
     32   DOCKED_ACTION_RESIZE,     // Resized a docked window.
     33   DOCKED_ACTION_REORDER,    // Possibly reordered docked windows.
     34   DOCKED_ACTION_EVICT,      // A docked window could not stay docked.
     35   DOCKED_ACTION_MAXIMIZE,   // Maximized a docked window.
     36   DOCKED_ACTION_MINIMIZE,   // Minimized a docked window.
     37   DOCKED_ACTION_RESTORE,    // Restored a docked window that was minimized.
     38   DOCKED_ACTION_CLOSE,      // Closed a window while it was docked.
     39   DOCKED_ACTION_COUNT,      // Maximum value of this enum for histograms use.
     40 };
     41 
     42 // Event source for the docking user action (when known).
     43 enum DockedActionSource {
     44   DOCKED_ACTION_SOURCE_UNKNOWN,
     45   DOCKED_ACTION_SOURCE_MOUSE,
     46   DOCKED_ACTION_SOURCE_TOUCH,
     47 
     48   // Maximum value of this enum for histograms use.
     49   DOCKED_ACTION_SOURCE_COUNT,
     50 };
     51 
     52 }  // namespace internal
     53 }  // namespace ash
     54 
     55 #endif  // ASH_WM_DOCK_DOCK_TYPES_H_
     56