text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "content/common/cursors/webcursor.h"
  
  #include <X11/cursorfont.h>
  #include <X11/Xcursor/Xcursor.h>
  #include <X11/Xlib.h>
  
  #include "base/logging.h"
  #include "third_party/WebKit/public/platform/WebCursorInfo.h"
  #include "ui/base/cursor/cursor.h"
  #include "ui/base/cursor/cursor_loader_x11.h"
  #include "ui/base/x/x11_util.h"
  
  namespace content {
  
  ui::PlatformCursor WebCursor::GetPlatformCursor() {
    if (platform_cursor_)
      return platform_cursor_;
  
    SkBitmap bitmap;
    gfx::Point hotspot;
    CreateScaledBitmapAndHotspotFromCustomData(&bitmap, &hotspot);
  
    XcursorImage* image = ui::SkBitmapToXcursorImage(&bitmap, hotspot);
    platform_cursor_ = ui::CreateReffedCustomXCursor(image);
    return platform_cursor_;
  }
  
  void WebCursor::InitPlatformData() {
    platform_cursor_ = 0;
    device_scale_factor_ = 1.f;
  }
  
  bool WebCursor::SerializePlatformData(base::Pickle* pickle) const {
    return true;
  }
  
  bool WebCursor::DeserializePlatformData(base::PickleIterator* iter) {
    return true;
  }
  
  bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
    return true;
  }
  
  void WebCursor::CleanupPlatformData() {
    if (platform_cursor_) {
      ui::UnrefCustomXCursor(platform_cursor_);
      platform_cursor_ = 0;
    }
  }
  
  void WebCursor::CopyPlatformData(const WebCursor& other) {
    if (platform_cursor_)
      ui::UnrefCustomXCursor(platform_cursor_);
    platform_cursor_ = other.platform_cursor_;
    if (platform_cursor_)
      ui::RefCustomXCursor(platform_cursor_);
  
    device_scale_factor_ = other.device_scale_factor_;
  }
  
  }  // namespace content
  