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 <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