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| 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 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "third_party/skia/include/core/SkBitmap.h" | |
| 9 #include "ui/base/cursor/cursors_aura.h" | |
| 10 | |
| 11 namespace ui { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 BitmapCursorOzone* ToBitmapCursorOzone(PlatformCursor cursor) { | |
| 16 return static_cast<BitmapCursorOzone*>(cursor); | |
| 17 } | |
| 18 | |
| 19 PlatformCursor ToPlatformCursor(BitmapCursorOzone* cursor) { | |
| 20 return static_cast<PlatformCursor>(cursor); | |
| 21 } | |
| 22 | |
| 23 scoped_refptr<BitmapCursorOzone> CreateDefaultBitmapCursor(int type) { | |
| 24 SkBitmap bitmap; | |
| 25 gfx::Point hotspot; | |
| 26 if (GetCursorBitmap(type, &bitmap, &hotspot)) | |
| 27 return new BitmapCursorOzone(bitmap, hotspot); | |
| 28 return NULL; | |
| 29 } | |
| 30 | |
| 31 } // namespace | |
| 32 | |
| 33 BitmapCursorOzone::BitmapCursorOzone(const SkBitmap& bitmap, | |
| 34 const gfx::Point& hotspot) | |
| 35 : hotspot_(hotspot), frame_delay_ms_(0) { | |
| 36 bitmaps_.push_back(bitmap); | |
| 37 } | |
| 38 | |
| 39 BitmapCursorOzone::BitmapCursorOzone(const std::vector<SkBitmap>& bitmaps, | |
| 40 const gfx::Point& hotspot, | |
| 41 int frame_delay_ms) | |
| 42 : bitmaps_(bitmaps), hotspot_(hotspot), frame_delay_ms_(frame_delay_ms) { | |
| 43 DCHECK_LT(0U, bitmaps.size()); | |
| 44 DCHECK_LE(0, frame_delay_ms); | |
| 45 } | |
| 46 | |
| 47 BitmapCursorOzone::~BitmapCursorOzone() { | |
| 48 } | |
| 49 | |
| 50 const gfx::Point& BitmapCursorOzone::hotspot() { | |
| 51 return hotspot_; | |
| 52 } | |
| 53 | |
| 54 const SkBitmap& BitmapCursorOzone::bitmap() { | |
| 55 return bitmaps_[0]; | |
| 56 } | |
| 57 | |
| 58 const std::vector<SkBitmap>& BitmapCursorOzone::bitmaps() { | |
| 59 return bitmaps_; | |
| 60 } | |
| 61 | |
| 62 int BitmapCursorOzone::frame_delay_ms() { | |
| 63 return frame_delay_ms_; | |
| 64 } | |
| 65 | |
| 66 BitmapCursorFactoryOzone::BitmapCursorFactoryOzone() {} | |
| 67 | |
| 68 BitmapCursorFactoryOzone::~BitmapCursorFactoryOzone() {} | |
| 69 | |
| 70 // static | |
| 71 scoped_refptr<BitmapCursorOzone> BitmapCursorFactoryOzone::GetBitmapCursor( | |
| 72 PlatformCursor platform_cursor) { | |
| 73 return make_scoped_refptr(ToBitmapCursorOzone(platform_cursor)); | |
| 74 } | |
| 75 | |
| 76 PlatformCursor BitmapCursorFactoryOzone::GetDefaultCursor(int type) { | |
| 77 return GetDefaultCursorInternal(type).get(); | |
| 78 } | |
| 79 | |
| 80 PlatformCursor BitmapCursorFactoryOzone::CreateImageCursor( | |
| 81 const SkBitmap& bitmap, | |
| 82 const gfx::Point& hotspot) { | |
| 83 BitmapCursorOzone* cursor = new BitmapCursorOzone(bitmap, hotspot); | |
| 84 cursor->AddRef(); // Balanced by UnrefImageCursor. | |
| 85 return ToPlatformCursor(cursor); | |
| 86 } | |
| 87 | |
| 88 PlatformCursor BitmapCursorFactoryOzone::CreateAnimatedCursor( | |
| 89 const std::vector<SkBitmap>& bitmaps, | |
| 90 const gfx::Point& hotspot, | |
| 91 int frame_delay_ms) { | |
| 92 DCHECK_LT(0U, bitmaps.size()); | |
| 93 BitmapCursorOzone* cursor = | |
| 94 new BitmapCursorOzone(bitmaps, hotspot, frame_delay_ms); | |
| 95 cursor->AddRef(); // Balanced by UnrefImageCursor. | |
| 96 return ToPlatformCursor(cursor); | |
| 97 } | |
| 98 | |
| 99 void BitmapCursorFactoryOzone::RefImageCursor(PlatformCursor cursor) { | |
| 100 ToBitmapCursorOzone(cursor)->AddRef(); | |
| 101 } | |
| 102 | |
| 103 void BitmapCursorFactoryOzone::UnrefImageCursor(PlatformCursor cursor) { | |
| 104 ToBitmapCursorOzone(cursor)->Release(); | |
| 105 } | |
| 106 | |
| 107 scoped_refptr<BitmapCursorOzone> | |
| 108 BitmapCursorFactoryOzone::GetDefaultCursorInternal(int type) { | |
| 109 if (type == kCursorNone) | |
| 110 return NULL; // NULL is used for hidden cursor. | |
| 111 | |
| 112 if (!default_cursors_.count(type)) { | |
| 113 // Create new image cursor from default aura bitmap for this type. We hold a | |
| 114 // ref forever because clients do not do refcounting for default cursors. | |
| 115 scoped_refptr<BitmapCursorOzone> cursor = CreateDefaultBitmapCursor(type); | |
| 116 if (!cursor.get() && type != kCursorPointer) | |
| 117 cursor = GetDefaultCursorInternal(kCursorPointer); | |
| 118 DCHECK(cursor.get()) << "Failed to load default cursor bitmap"; | |
| 119 default_cursors_[type] = cursor; | |
| 120 } | |
| 121 | |
| 122 // Returned owned default cursor for this type. | |
| 123 return default_cursors_[type]; | |
| 124 } | |
| 125 | |
| 126 } // namespace ui | |
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