ash/display/display_util.h

   1 // Copyright 2014 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_DISPLAY_DISPLAY_UTIL_H_
   6 #define ASH_DISPLAY_DISPLAY_UTIL_H_
   7
   8 #include <vector>
   9
  10 #include "ash/ash_export.h"
  11 #include "ash/display/display_layout.h"
  12
  13 namespace gfx {
  14 class Display;
  15 class Point;
  16 class Rect;
  17 }
  18
  19 namespace ash {
  20 class AshWindowTreeHost;
  21 struct DisplayMode;
  22 class DisplayInfo;
  23
  24 // Creates the display mode list for internal display
  25 // based on |native_mode|.
  26 ASH_EXPORT std::vector<DisplayMode> CreateInternalDisplayModeList(
  27     const DisplayMode& native_mode);
  28
  29 // Returns next valid UI scale.
  30 float GetNextUIScale(const DisplayInfo& info, bool up);
  31
  32 // Tests if the |info| has display mode that matches |ui_scale|.
  33 bool HasDisplayModeForUIScale(const DisplayInfo& info, float ui_scale);
  34
  35 // Computes the bounds that defines the bounds between two displays
  36 // based on the layout |position|.
  37 void ComputeBoundary(const gfx::Display& primary_display,
  38                      const gfx::Display& secondary_display,
  39                      DisplayLayout::Position position,
  40                      gfx::Rect* primary_edge_in_screen,
  41                      gfx::Rect* secondary_edge_in_screen);
  42
  43 // Creates edge bounds from |bounds_in_screen| that fits the edge
  44 // of the native window for |ash_host|.
  45 ASH_EXPORT gfx::Rect GetNativeEdgeBounds(AshWindowTreeHost* ash_host,
  46                                          const gfx::Rect& bounds_in_screen);
  47
  48 // Moves the cursor to the point inside the |ash_host| that is closest to
  49 // the point_in_screen, which may be outside of the root window.
  50 // |update_last_loation_now| is used for the test to update the mouse
  51 // location synchronously.
  52 void MoveCursorTo(AshWindowTreeHost* ash_host,
  53                   const gfx::Point& point_in_screen,
  54                   bool update_last_location_now);
  55
  56 // Returns the index in the displays whose bounds contains |point_in_screen|.
  57 // Returns -1 if no such display exist.
  58 ASH_EXPORT int FindDisplayIndexContainingPoint(
  59     const std::vector<gfx::Display>& displays,
  60     const gfx::Point& point_in_screen);
  61
  62 }  // namespace ash
  63
  64 #endif  // ASH_DISPLAY_DISPLAY_UTIL_H_