ui/base/cursor/ozone/bitmap_cursor_factory_ozone.cc

   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 }  // namespace
  24
  25 BitmapCursorFactoryOzone::BitmapCursorFactoryOzone() {}
  26
  27 BitmapCursorFactoryOzone::~BitmapCursorFactoryOzone() {}
  28
  29 PlatformCursor BitmapCursorFactoryOzone::GetDefaultCursor(int type) {
  30   if (type == kCursorNone)
  31     return NULL;  // NULL is used for hidden cursor.
  32
  33   if (!default_cursors_.count(type)) {
  34     // Create new owned image cursor from default aura bitmap for this type.
  35     SkBitmap bitmap;
  36     gfx::Point hotspot;
  37     CHECK(GetCursorBitmap(type, &bitmap, &hotspot));
  38     default_cursors_[type] = new BitmapCursorOzone(bitmap, hotspot);
  39   }
  40
  41   // Returned owned default cursor for this type.
  42   return default_cursors_[type];
  43 }
  44
  45 PlatformCursor BitmapCursorFactoryOzone::CreateImageCursor(
  46     const SkBitmap& bitmap,
  47     const gfx::Point& hotspot) {
  48   BitmapCursorOzone* cursor = new BitmapCursorOzone(bitmap, hotspot);
  49   cursor->AddRef();  // Balanced by UnrefImageCursor.
  50   return ToPlatformCursor(cursor);
  51 }
  52
  53 void BitmapCursorFactoryOzone::RefImageCursor(PlatformCursor cursor) {
  54   ToBitmapCursorOzone(cursor)->AddRef();
  55 }
  56
  57 void BitmapCursorFactoryOzone::UnrefImageCursor(PlatformCursor cursor) {
  58   ToBitmapCursorOzone(cursor)->Release();
  59 }
  60
  61 void BitmapCursorFactoryOzone::SetCursor(gfx::AcceleratedWidget widget,
  62                                          PlatformCursor platform_cursor) {
  63   BitmapCursorOzone* cursor = ToBitmapCursorOzone(platform_cursor);
  64   SetBitmapCursor(widget, make_scoped_refptr(cursor));
  65 }
  66
  67 void BitmapCursorFactoryOzone::SetBitmapCursor(
  68     gfx::AcceleratedWidget widget,
  69     scoped_refptr<BitmapCursorOzone>) {
  70   NOTIMPLEMENTED();
  71 }
  72
  73 }  // namespace ui