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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/cursor_loader_ozone.h"
      6 
      7 #include <vector>
      8 
      9 #include "ui/base/cursor/cursor.h"
     10 #include "ui/base/cursor/cursor_util.h"
     11 #include "ui/ozone/public/cursor_factory_ozone.h"
     12 
     13 namespace ui {
     14 
     15 CursorLoaderOzone::CursorLoaderOzone() {}
     16 
     17 CursorLoaderOzone::~CursorLoaderOzone() {}
     18 
     19 void CursorLoaderOzone::LoadImageCursor(int id,
     20                                         int resource_id,
     21                                         const gfx::Point& hot) {
     22   SkBitmap bitmap;
     23   gfx::Point hotspot = hot;
     24 
     25   GetImageCursorBitmap(resource_id, scale(), rotation(), &hotspot, &bitmap);
     26 
     27   cursors_[id] =
     28       CursorFactoryOzone::GetInstance()->CreateImageCursor(bitmap, hotspot);
     29 }
     30 
     31 void CursorLoaderOzone::LoadAnimatedCursor(int id,
     32                                            int resource_id,
     33                                            const gfx::Point& hot,
     34                                            int frame_delay_ms) {
     35   std::vector<SkBitmap> bitmaps;
     36   gfx::Point hotspot = hot;
     37 
     38   GetAnimatedCursorBitmaps(
     39       resource_id, scale(), rotation(), &hotspot, &bitmaps);
     40 
     41   cursors_[id] = CursorFactoryOzone::GetInstance()->CreateAnimatedCursor(
     42       bitmaps, hotspot, frame_delay_ms);
     43 }
     44 
     45 void CursorLoaderOzone::UnloadAll() {
     46   for (ImageCursorMap::const_iterator it = cursors_.begin();
     47        it != cursors_.end();
     48        ++it)
     49     CursorFactoryOzone::GetInstance()->UnrefImageCursor(it->second);
     50   cursors_.clear();
     51 }
     52 
     53 void CursorLoaderOzone::SetPlatformCursor(gfx::NativeCursor* cursor) {
     54   int native_type = cursor->native_type();
     55   PlatformCursor platform;
     56 
     57   if (cursors_.count(native_type)) {
     58     // An image cursor is loaded for this type.
     59     platform = cursors_[native_type];
     60   } else if (native_type == kCursorCustom) {
     61     // The platform cursor was already set via WebCursor::GetPlatformCursor.
     62     platform = cursor->platform();
     63   } else {
     64     // Use default cursor of this type.
     65     platform = CursorFactoryOzone::GetInstance()->GetDefaultCursor(native_type);
     66   }
     67 
     68   cursor->SetPlatformCursor(platform);
     69 }
     70 
     71 CursorLoader* CursorLoader::Create() {
     72   return new CursorLoaderOzone();
     73 }
     74 
     75 }  // namespace ui
     76