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 #include "ui/base/cursor/cursors_aura.h" 6 7 #include "grit/ui_resources.h" 8 #include "third_party/skia/include/core/SkBitmap.h" 9 #include "ui/base/resource/resource_bundle.h" 10 #include "ui/gfx/image/image_skia.h" 11 #include "ui/gfx/point.h" 12 13 namespace ui { 14 namespace { 15 16 struct HotPoint { 17 int x; 18 int y; 19 }; 20 21 struct CursorData { 22 int id; 23 int resource_id; 24 HotPoint hot_1x; 25 HotPoint hot_2x; 26 }; 27 28 struct CursorSet { 29 const CursorSetType id; 30 const CursorData* cursors; 31 const int length; 32 const CursorData* animated_cursors; 33 const int animated_length; 34 }; 35 36 const CursorData kNormalCursors[] = { 37 {ui::kCursorNull, IDR_AURA_CURSOR_PTR, {4, 4}, {8, 9}}, 38 {ui::kCursorPointer, IDR_AURA_CURSOR_PTR, {4, 4}, {8, 9}}, 39 {ui::kCursorNoDrop, IDR_AURA_CURSOR_NO_DROP, {9, 9}, {18, 18}}, 40 {ui::kCursorNotAllowed, IDR_AURA_CURSOR_NO_DROP, {9, 9}, {18, 18}}, 41 {ui::kCursorCopy, IDR_AURA_CURSOR_COPY, {9, 9}, {18, 18}}, 42 {ui::kCursorHand, IDR_AURA_CURSOR_HAND, {9, 4}, {19, 8}}, 43 {ui::kCursorMove, IDR_AURA_CURSOR_MOVE, {11, 11}, {23, 23}}, 44 {ui::kCursorNorthEastResize, IDR_AURA_CURSOR_NORTH_EAST_RESIZE, 45 {12, 11}, {25, 23}}, 46 {ui::kCursorSouthWestResize, IDR_AURA_CURSOR_SOUTH_WEST_RESIZE, 47 {12, 11}, {25, 23}}, 48 {ui::kCursorSouthEastResize, IDR_AURA_CURSOR_SOUTH_EAST_RESIZE, 49 {11, 11}, {24, 23}}, 50 {ui::kCursorNorthWestResize, IDR_AURA_CURSOR_NORTH_WEST_RESIZE, 51 {11, 11}, {24, 23}}, 52 {ui::kCursorNorthResize, IDR_AURA_CURSOR_NORTH_RESIZE, {11, 12}, {23, 23}}, 53 {ui::kCursorSouthResize, IDR_AURA_CURSOR_SOUTH_RESIZE, {11, 12}, {23, 23}}, 54 {ui::kCursorEastResize, IDR_AURA_CURSOR_EAST_RESIZE, {12, 11}, {25, 23}}, 55 {ui::kCursorWestResize, IDR_AURA_CURSOR_WEST_RESIZE, {12, 11}, {25, 23}}, 56 {ui::kCursorIBeam, IDR_AURA_CURSOR_IBEAM, {12, 12}, {24, 25}}, 57 {ui::kCursorAlias, IDR_AURA_CURSOR_ALIAS, {8, 6}, {15, 11}}, 58 {ui::kCursorCell, IDR_AURA_CURSOR_CELL, {11, 11}, {24, 23}}, 59 {ui::kCursorContextMenu, IDR_AURA_CURSOR_CONTEXT_MENU, {4, 4}, {8, 9}}, 60 {ui::kCursorCross, IDR_AURA_CURSOR_CROSSHAIR, {12, 12}, {25, 23}}, 61 {ui::kCursorHelp, IDR_AURA_CURSOR_HELP, {4, 4}, {8, 9}}, 62 {ui::kCursorVerticalText, IDR_AURA_CURSOR_XTERM_HORIZ, {12, 11}, {26, 23}}, 63 {ui::kCursorZoomIn, IDR_AURA_CURSOR_ZOOM_IN, {10, 10}, {20, 20}}, 64 {ui::kCursorZoomOut, IDR_AURA_CURSOR_ZOOM_OUT, {10, 10}, {20, 20}}, 65 {ui::kCursorRowResize, IDR_AURA_CURSOR_ROW_RESIZE, {11, 12}, {23, 23}}, 66 {ui::kCursorColumnResize, IDR_AURA_CURSOR_COL_RESIZE, {12, 11}, {25, 23}}, 67 {ui::kCursorEastWestResize, IDR_AURA_CURSOR_EAST_WEST_RESIZE, 68 {12, 11}, {25, 23}}, 69 {ui::kCursorNorthSouthResize, IDR_AURA_CURSOR_NORTH_SOUTH_RESIZE, 70 {11, 12}, {23, 23}}, 71 {ui::kCursorNorthEastSouthWestResize, 72 IDR_AURA_CURSOR_NORTH_EAST_SOUTH_WEST_RESIZE, {12, 11}, {25, 23}}, 73 {ui::kCursorNorthWestSouthEastResize, 74 IDR_AURA_CURSOR_NORTH_WEST_SOUTH_EAST_RESIZE, {11, 11}, {24, 23}}, 75 {ui::kCursorGrab, IDR_AURA_CURSOR_GRAB, {8, 5}, {16, 10}}, 76 {ui::kCursorGrabbing, IDR_AURA_CURSOR_GRABBING, {9, 9}, {18, 18}}, 77 }; 78 79 const CursorData kLargeCursors[] = { 80 // The 2x hotspots should be double of the 1x, even though the cursors are 81 // shown as same size as 1x (64x64), because in 2x dpi screen, the 1x large 82 // cursor assets (64x64) are internally enlarged to the double size (128x128) 83 // by ResourceBundleImageSource. 84 {ui::kCursorNull, IDR_AURA_CURSOR_BIG_PTR, {10, 10}, {20, 20}}, 85 {ui::kCursorPointer, IDR_AURA_CURSOR_BIG_PTR, {10, 10}, {20, 20}}, 86 {ui::kCursorNoDrop, IDR_AURA_CURSOR_BIG_NO_DROP, {10, 10}, {20, 20}}, 87 {ui::kCursorNotAllowed, IDR_AURA_CURSOR_BIG_NO_DROP, {10, 10}, {20, 20}}, 88 {ui::kCursorCopy, IDR_AURA_CURSOR_BIG_COPY, {10, 10}, {20, 20}}, 89 {ui::kCursorHand, IDR_AURA_CURSOR_BIG_HAND, {25, 7}, {50, 14}}, 90 {ui::kCursorMove, IDR_AURA_CURSOR_BIG_MOVE, {32, 31}, {64, 62}}, 91 {ui::kCursorNorthEastResize, IDR_AURA_CURSOR_BIG_NORTH_EAST_RESIZE, 92 {31, 28}, {62, 56}}, 93 {ui::kCursorSouthWestResize, IDR_AURA_CURSOR_BIG_SOUTH_WEST_RESIZE, 94 {31, 28}, {62, 56}}, 95 {ui::kCursorSouthEastResize, IDR_AURA_CURSOR_BIG_SOUTH_EAST_RESIZE, 96 {28, 28}, {56, 56}}, 97 {ui::kCursorNorthWestResize, IDR_AURA_CURSOR_BIG_NORTH_WEST_RESIZE, 98 {28, 28}, {56, 56}}, 99 {ui::kCursorNorthResize, IDR_AURA_CURSOR_BIG_NORTH_RESIZE, 100 {29, 32}, {58, 64}}, 101 {ui::kCursorSouthResize, IDR_AURA_CURSOR_BIG_SOUTH_RESIZE, 102 {29, 32}, {58, 64}}, 103 {ui::kCursorEastResize, IDR_AURA_CURSOR_BIG_EAST_RESIZE, {35, 29}, {70, 58}}, 104 {ui::kCursorWestResize, IDR_AURA_CURSOR_BIG_WEST_RESIZE, {35, 29}, {70, 58}}, 105 {ui::kCursorIBeam, IDR_AURA_CURSOR_BIG_IBEAM, {30, 32}, {60, 64}}, 106 {ui::kCursorAlias, IDR_AURA_CURSOR_BIG_ALIAS, {19, 11}, {38, 22}}, 107 {ui::kCursorCell, IDR_AURA_CURSOR_BIG_CELL, {30, 30}, {60, 60}}, 108 {ui::kCursorContextMenu, IDR_AURA_CURSOR_BIG_CONTEXT_MENU, 109 {11, 11}, {22, 22}}, 110 {ui::kCursorCross, IDR_AURA_CURSOR_BIG_CROSSHAIR, {31, 30}, {62, 60}}, 111 {ui::kCursorHelp, IDR_AURA_CURSOR_BIG_HELP, {10, 11}, {20, 22}}, 112 {ui::kCursorVerticalText, IDR_AURA_CURSOR_BIG_XTERM_HORIZ, 113 {32, 30}, {64, 60}}, 114 {ui::kCursorZoomIn, IDR_AURA_CURSOR_BIG_ZOOM_IN, {25, 26}, {50, 52}}, 115 {ui::kCursorZoomOut, IDR_AURA_CURSOR_BIG_ZOOM_OUT, {26, 26}, {52, 52}}, 116 {ui::kCursorRowResize, IDR_AURA_CURSOR_BIG_ROW_RESIZE, {29, 32}, {58, 64}}, 117 {ui::kCursorColumnResize, IDR_AURA_CURSOR_BIG_COL_RESIZE, {35, 29}, {70, 58}}, 118 {ui::kCursorEastWestResize, IDR_AURA_CURSOR_BIG_EAST_WEST_RESIZE, 119 {35, 29}, {70, 58}}, 120 {ui::kCursorNorthSouthResize, IDR_AURA_CURSOR_BIG_NORTH_SOUTH_RESIZE, 121 {29, 32}, {58, 64}}, 122 {ui::kCursorNorthEastSouthWestResize, 123 IDR_AURA_CURSOR_BIG_NORTH_EAST_SOUTH_WEST_RESIZE, {32, 30}, {64, 60}}, 124 {ui::kCursorNorthWestSouthEastResize, 125 IDR_AURA_CURSOR_BIG_NORTH_WEST_SOUTH_EAST_RESIZE, {32, 31}, {64, 62}}, 126 {ui::kCursorGrab, IDR_AURA_CURSOR_BIG_GRAB, {21, 11}, {42, 22}}, 127 {ui::kCursorGrabbing, IDR_AURA_CURSOR_BIG_GRABBING, {20, 12}, {40, 24}}, 128 }; 129 130 const CursorData kAnimatedCursors[] = { 131 {ui::kCursorWait, IDR_THROBBER, {7, 7}, {14, 14}}, 132 {ui::kCursorProgress, IDR_THROBBER, {7, 7}, {14, 14}}, 133 }; 134 135 const CursorSet kCursorSets[] = { 136 { 137 CURSOR_SET_NORMAL, 138 kNormalCursors, arraysize(kNormalCursors), 139 kAnimatedCursors, arraysize(kAnimatedCursors) 140 }, 141 { 142 CURSOR_SET_LARGE, 143 kLargeCursors, arraysize(kLargeCursors), 144 // TODO(yoshiki): Replace animated cursors with big assets. crbug.com/247254 145 kAnimatedCursors, arraysize(kAnimatedCursors) 146 }, 147 }; 148 149 const CursorSet* GetCursorSetByType(CursorSetType cursor_set_id) { 150 for (size_t i = 0; i < arraysize(kCursorSets); ++i) { 151 if (kCursorSets[i].id == cursor_set_id) 152 return &kCursorSets[i]; 153 } 154 155 return NULL; 156 } 157 158 bool SearchTable(const CursorData* table, 159 size_t table_length, 160 int id, 161 float scale_factor, 162 int* resource_id, 163 gfx::Point* point) { 164 bool resource_2x_available = 165 ResourceBundle::GetSharedInstance().GetMaxScaleFactor() == 166 SCALE_FACTOR_200P; 167 for (size_t i = 0; i < table_length; ++i) { 168 if (table[i].id == id) { 169 *resource_id = table[i].resource_id; 170 *point = scale_factor == 1.0f || !resource_2x_available ? 171 gfx::Point(table[i].hot_1x.x, table[i].hot_1x.y) : 172 gfx::Point(table[i].hot_2x.x, table[i].hot_2x.y); 173 return true; 174 } 175 } 176 177 return false; 178 } 179 180 } // namespace 181 182 bool GetCursorDataFor(CursorSetType cursor_set_id, 183 int id, 184 float scale_factor, 185 int* resource_id, 186 gfx::Point* point) { 187 const CursorSet* cursor_set = GetCursorSetByType(cursor_set_id); 188 if (cursor_set && 189 SearchTable(cursor_set->cursors, 190 cursor_set->length, 191 id, scale_factor, resource_id, point)) { 192 return true; 193 } 194 195 // Falls back to the default cursor set. 196 cursor_set = GetCursorSetByType(ui::CURSOR_SET_NORMAL); 197 DCHECK(cursor_set); 198 return SearchTable(cursor_set->cursors, 199 cursor_set->length, 200 id, scale_factor, resource_id, point); 201 } 202 203 bool GetAnimatedCursorDataFor(CursorSetType cursor_set_id, 204 int id, 205 float scale_factor, 206 int* resource_id, 207 gfx::Point* point) { 208 const CursorSet* cursor_set = GetCursorSetByType(cursor_set_id); 209 if (cursor_set && 210 SearchTable(cursor_set->animated_cursors, 211 cursor_set->animated_length, 212 id, scale_factor, resource_id, point)) { 213 return true; 214 } 215 216 // Falls back to the default cursor set. 217 cursor_set = GetCursorSetByType(ui::CURSOR_SET_NORMAL); 218 DCHECK(cursor_set); 219 return SearchTable(cursor_set->animated_cursors, 220 cursor_set->animated_length, 221 id, scale_factor, resource_id, point); 222 } 223 224 bool GetCursorBitmap(const Cursor& cursor, 225 SkBitmap* bitmap, 226 gfx::Point* point) { 227 DCHECK(bitmap && point); 228 int resource_id; 229 if (!GetCursorDataFor(ui::CURSOR_SET_NORMAL, 230 cursor.native_type(), 231 cursor.device_scale_factor(), 232 &resource_id, 233 point)) { 234 return false; 235 } 236 237 const SkBitmap* cursor_bitmap = ResourceBundle::GetSharedInstance(). 238 GetImageSkiaNamed(resource_id)->bitmap(); 239 if (!cursor_bitmap) 240 return false; 241 *bitmap = *cursor_bitmap; 242 return true; 243 } 244 245 } // namespace ui 246
