ui/base/cursor/cursor_loader_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/cursor_loader_ozone.h"
   6
   7 #include "ui/base/cursor/cursor.h"
   8 #include "ui/base/cursor/ozone/cursor_factory_ozone.h"
   9 #include "ui/base/resource/resource_bundle.h"
  10 #include "ui/gfx/image/image_skia.h"
  11
  12 namespace ui {
  13
  14 CursorLoaderOzone::CursorLoaderOzone() {}
  15
  16 CursorLoaderOzone::~CursorLoaderOzone() {}
  17
  18 void CursorLoaderOzone::LoadImageCursor(int id,
  19                                         int resource_id,
  20                                         const gfx::Point& hot) {
  21   const gfx::ImageSkia* image =
  22       ResourceBundle::GetSharedInstance().GetImageSkiaNamed(resource_id);
  23   const gfx::ImageSkiaRep& image_rep =
  24       image->GetRepresentation(display().device_scale_factor());
  25   SkBitmap bitmap = image_rep.sk_bitmap();
  26   cursors_[id] =
  27       CursorFactoryOzone::GetInstance()->CreateImageCursor(bitmap, hot);
  28 }
  29
  30 void CursorLoaderOzone::LoadAnimatedCursor(int id,
  31                                            int resource_id,
  32                                            const gfx::Point& hot,
  33                                            int frame_delay_ms) {
  34   // TODO(dnicoara) Add support: crbug.com/343245
  35   NOTIMPLEMENTED();
  36 }
  37
  38 void CursorLoaderOzone::UnloadAll() {
  39   for (ImageCursorMap::const_iterator it = cursors_.begin();
  40        it != cursors_.end();
  41        ++it)
  42     CursorFactoryOzone::GetInstance()->UnrefImageCursor(it->second);
  43   cursors_.clear();
  44 }
  45
  46 void CursorLoaderOzone::SetPlatformCursor(gfx::NativeCursor* cursor) {
  47   int native_type = cursor->native_type();
  48   PlatformCursor platform;
  49
  50   if (cursors_.count(native_type)) {
  51     // An image cursor is loaded for this type.
  52     platform = cursors_[native_type];
  53   } else if (native_type == kCursorCustom) {
  54     // The platform cursor was already set via WebCursor::GetPlatformCursor.
  55     platform = cursor->platform();
  56   } else {
  57     // Use default cursor of this type.
  58     platform = CursorFactoryOzone::GetInstance()->GetDefaultCursor(native_type);
  59   }
  60
  61   cursor->SetPlatformCursor(platform);
  62 }
  63
  64 CursorLoader* CursorLoader::Create() {
  65   return new CursorLoaderOzone();
  66 }
  67
  68 }  // namespace ui