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| 1 // Copyright (c) 2012 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 "ash/wm/image_cursors.h" | |
| 6 | |
| 7 #include <float.h> | |
| 8 | |
| 9 #include "ash/display/display_info.h" | |
| 10 #include "ash/display/display_manager.h" | |
| 11 #include "ash/shell.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/strings/string16.h" | |
| 14 #include "ui/base/cursor/cursor.h" | |
| 15 #include "ui/base/cursor/cursor_loader.h" | |
| 16 #include "ui/base/cursor/cursors_aura.h" | |
| 17 #include "ui/gfx/display.h" | |
| 18 #include "ui/gfx/point.h" | |
| 19 | |
| 20 namespace ash { | |
| 21 | |
| 22 const int kImageCursorIds[] = { | |
| 23 ui::kCursorNull, | |
| 24 ui::kCursorPointer, | |
| 25 ui::kCursorNoDrop, | |
| 26 ui::kCursorNotAllowed, | |
| 27 ui::kCursorCopy, | |
| 28 ui::kCursorHand, | |
| 29 ui::kCursorMove, | |
| 30 ui::kCursorNorthEastResize, | |
| 31 ui::kCursorSouthWestResize, | |
| 32 ui::kCursorSouthEastResize, | |
| 33 ui::kCursorNorthWestResize, | |
| 34 ui::kCursorNorthResize, | |
| 35 ui::kCursorSouthResize, | |
| 36 ui::kCursorEastResize, | |
| 37 ui::kCursorWestResize, | |
| 38 ui::kCursorIBeam, | |
| 39 ui::kCursorAlias, | |
| 40 ui::kCursorCell, | |
| 41 ui::kCursorContextMenu, | |
| 42 ui::kCursorCross, | |
| 43 ui::kCursorHelp, | |
| 44 ui::kCursorVerticalText, | |
| 45 ui::kCursorZoomIn, | |
| 46 ui::kCursorZoomOut, | |
| 47 ui::kCursorRowResize, | |
| 48 ui::kCursorColumnResize, | |
| 49 ui::kCursorEastWestResize, | |
| 50 ui::kCursorNorthSouthResize, | |
| 51 ui::kCursorNorthEastSouthWestResize, | |
| 52 ui::kCursorNorthWestSouthEastResize, | |
| 53 ui::kCursorGrab, | |
| 54 ui::kCursorGrabbing, | |
| 55 }; | |
| 56 | |
| 57 const int kAnimatedCursorIds[] = { | |
| 58 ui::kCursorWait, | |
| 59 ui::kCursorProgress | |
| 60 }; | |
| 61 | |
| 62 ImageCursors::ImageCursors() : cursor_set_(ui::CURSOR_SET_NORMAL) { | |
| 63 } | |
| 64 | |
| 65 ImageCursors::~ImageCursors() { | |
| 66 } | |
| 67 | |
| 68 float ImageCursors::GetScale() const { | |
| 69 if (!cursor_loader_) { | |
| 70 NOTREACHED(); | |
| 71 // Returning default on release build as it's not serious enough to crash | |
| 72 // even if this ever happens. | |
| 73 return 1.0f; | |
| 74 } | |
| 75 return cursor_loader_->scale(); | |
| 76 } | |
| 77 | |
| 78 gfx::Display::Rotation ImageCursors::GetRotation() const { | |
| 79 if (!cursor_loader_) { | |
| 80 NOTREACHED(); | |
| 81 // Returning default on release build as it's not serious enough to crash | |
| 82 // even if this ever happens. | |
| 83 return gfx::Display::ROTATE_0; | |
| 84 } | |
| 85 return cursor_loader_->rotation(); | |
| 86 } | |
| 87 | |
| 88 bool ImageCursors::SetDisplay(const gfx::Display& display) { | |
| 89 DCHECK(display.is_valid()); | |
| 90 // Use the platform's device scale factor instead of display's | |
| 91 // that might have been adjusted for UI scale. | |
| 92 float scale_factor = Shell::GetInstance()->display_manager()-> | |
| 93 GetDisplayInfo(display.id()).device_scale_factor(); | |
| 94 | |
| 95 if (!cursor_loader_) { | |
| 96 cursor_loader_.reset(ui::CursorLoader::Create()); | |
| 97 } else if (cursor_loader_->rotation() == display.rotation() && | |
| 98 cursor_loader_->scale() == scale_factor) { | |
| 99 return false; | |
| 100 } | |
| 101 | |
| 102 cursor_loader_->set_rotation(display.rotation()); | |
| 103 cursor_loader_->set_scale(scale_factor); | |
| 104 ReloadCursors(); | |
| 105 return true; | |
| 106 } | |
| 107 | |
| 108 void ImageCursors::ReloadCursors() { | |
| 109 float device_scale_factor = cursor_loader_->scale(); | |
| 110 | |
| 111 cursor_loader_->UnloadAll(); | |
| 112 | |
| 113 for (size_t i = 0; i < arraysize(kImageCursorIds); ++i) { | |
| 114 int resource_id = -1; | |
| 115 gfx::Point hot_point; | |
| 116 bool success = ui::GetCursorDataFor(cursor_set_, | |
| 117 kImageCursorIds[i], | |
| 118 device_scale_factor, | |
| 119 &resource_id, | |
| 120 &hot_point); | |
| 121 DCHECK(success); | |
| 122 cursor_loader_->LoadImageCursor(kImageCursorIds[i], resource_id, hot_point); | |
| 123 } | |
| 124 for (size_t i = 0; i < arraysize(kAnimatedCursorIds); ++i) { | |
| 125 int resource_id = -1; | |
| 126 gfx::Point hot_point; | |
| 127 bool success = ui::GetAnimatedCursorDataFor(cursor_set_, | |
| 128 kAnimatedCursorIds[i], | |
| 129 device_scale_factor, | |
| 130 &resource_id, | |
| 131 &hot_point); | |
| 132 DCHECK(success); | |
| 133 cursor_loader_->LoadAnimatedCursor(kAnimatedCursorIds[i], | |
| 134 resource_id, | |
| 135 hot_point, | |
| 136 ui::kAnimatedCursorFrameDelayMs); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 void ImageCursors::SetCursorSet(ui::CursorSetType cursor_set) { | |
| 141 if (cursor_set_ == cursor_set) | |
| 142 return; | |
| 143 | |
| 144 cursor_set_ = cursor_set; | |
| 145 | |
| 146 if (cursor_loader_.get()) | |
| 147 ReloadCursors(); | |
| 148 } | |
| 149 | |
| 150 void ImageCursors::SetPlatformCursor(gfx::NativeCursor* cursor) { | |
| 151 cursor_loader_->SetPlatformCursor(cursor); | |
| 152 } | |
| 153 | |
| 154 } // namespace ash | |
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Chromium Code Reviews
Issue 258893002:
app_shell: Add support for mouse cursors. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src