Move webcursors code from webkit/ to content.

webkit/common/cursors/webcursor_mac.mm

Index: webkit/common/cursors/webcursor_mac.mm
diff --git a/webkit/common/cursors/webcursor_mac.mm b/webkit/common/cursors/webcursor_mac.mm
deleted file mode 100644
index 4358be086dff106db98a6e6c97eae776b6b95db1..0000000000000000000000000000000000000000
--- a/webkit/common/cursors/webcursor_mac.mm
+++ /dev/null
@@ -1,395 +0,0 @@
-// 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 "webkit/common/cursors/webcursor.h"
-
-#import <AppKit/AppKit.h>
-
-#include "base/logging.h"
-#include "base/mac/mac_util.h"
-#include "base/mac/scoped_cftyperef.h"
-#include "grit/webkit_resources.h"
-#include "skia/ext/skia_utils_mac.h"
-#include "third_party/WebKit/public/platform/WebCursorInfo.h"
-#include "third_party/WebKit/public/platform/WebSize.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/point_conversions.h"
-#include "ui/gfx/size_conversions.h"
-
-
-using blink::WebCursorInfo;
-using blink::WebSize;
-
-// Declare symbols that are part of the 10.7 SDK.
-#if !defined(MAC_OS_X_VERSION_10_7) || \
-    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-
-@interface NSCursor (LionSDKDeclarations)
-+ (NSCursor*)IBeamCursorForVerticalLayout;
-@end
-
-#endif  // MAC_OS_X_VERSION_10_7
-
-// Private interface to CoreCursor, as of Mac OS X 10.7. This is essentially the
-// implementation of WKCursor in WebKitSystemInterface.
-
-enum {
-  kArrowCursor = 0,
-  kIBeamCursor = 1,
-  kMakeAliasCursor = 2,
-  kOperationNotAllowedCursor = 3,
-  kBusyButClickableCursor = 4,
-  kCopyCursor = 5,
-  kClosedHandCursor = 11,
-  kOpenHandCursor = 12,
-  kPointingHandCursor = 13,
-  kCountingUpHandCursor = 14,
-  kCountingDownHandCursor = 15,
-  kCountingUpAndDownHandCursor = 16,
-  kResizeLeftCursor = 17,
-  kResizeRightCursor = 18,
-  kResizeLeftRightCursor = 19,
-  kCrosshairCursor = 20,
-  kResizeUpCursor = 21,
-  kResizeDownCursor = 22,
-  kResizeUpDownCursor = 23,
-  kContextualMenuCursor = 24,
-  kDisappearingItemCursor = 25,
-  kVerticalIBeamCursor = 26,
-  kResizeEastCursor = 27,
-  kResizeEastWestCursor = 28,
-  kResizeNortheastCursor = 29,
-  kResizeNortheastSouthwestCursor = 30,
-  kResizeNorthCursor = 31,
-  kResizeNorthSouthCursor = 32,
-  kResizeNorthwestCursor = 33,
-  kResizeNorthwestSoutheastCursor = 34,
-  kResizeSoutheastCursor = 35,
-  kResizeSouthCursor = 36,
-  kResizeSouthwestCursor = 37,
-  kResizeWestCursor = 38,
-  kMoveCursor = 39,
-  kHelpCursor = 40,  // Present on >= 10.7.3.
-  kCellCursor = 41,  // Present on >= 10.7.3.
-  kZoomInCursor = 42,  // Present on >= 10.7.3.
-  kZoomOutCursor = 43  // Present on >= 10.7.3.
-};
-typedef long long CrCoreCursorType;
-
-@interface CrCoreCursor : NSCursor {
- @private
-  CrCoreCursorType type_;
-}
-
-+ (id)cursorWithType:(CrCoreCursorType)type;
-- (id)initWithType:(CrCoreCursorType)type;
-- (CrCoreCursorType)_coreCursorType;
-
-@end
-
-@implementation CrCoreCursor
-
-+ (id)cursorWithType:(CrCoreCursorType)type {
-  NSCursor* cursor = [[CrCoreCursor alloc] initWithType:type];
-  if ([cursor image])
-    return [cursor autorelease];
-
-  [cursor release];
-  return nil;
-}
-
-- (id)initWithType:(CrCoreCursorType)type {
-  if ((self = [super init])) {
-    type_ = type;
-  }
-  return self;
-}
-
-- (CrCoreCursorType)_coreCursorType {
-  return type_;
-}
-
-@end
-
-namespace {
-
-NSCursor* LoadCursor(int resource_id, int hotspot_x, int hotspot_y) {
-  const gfx::Image& cursor_image =
-      ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
-  DCHECK(!cursor_image.IsEmpty());
-  return [[[NSCursor alloc] initWithImage:cursor_image.ToNSImage()
-                                  hotSpot:NSMakePoint(hotspot_x,
-                                                      hotspot_y)] autorelease];
-}
-
-// Gets a specified cursor from CoreCursor, falling back to loading it from the
-// image cache if CoreCursor cannot provide it.
-NSCursor* GetCoreCursorWithFallback(CrCoreCursorType type,
-                                    int resource_id,
-                                    int hotspot_x,
-                                    int hotspot_y) {
-  if (base::mac::IsOSLionOrLater()) {
-    NSCursor* cursor = [CrCoreCursor cursorWithType:type];
-    if (cursor)
-      return cursor;
-  }
-
-  return LoadCursor(resource_id, hotspot_x, hotspot_y);
-}
-
-NSCursor* CreateCustomCursor(const std::vector<char>& custom_data,
-                             const gfx::Size& custom_size,
-                             float custom_scale,
-                             const gfx::Point& hotspot) {
-  // If the data is missing, leave the backing transparent.
-  void* data = NULL;
-  size_t data_size = 0;
-  if (!custom_data.empty()) {
-    // This is safe since we're not going to draw into the context we're
-    // creating.
-    data = const_cast<char*>(&custom_data[0]);
-    data_size = custom_data.size();
-  }
-
-  // If the size is empty, use a 1x1 transparent image.
-  gfx::Size size = custom_size;
-  if (size.IsEmpty()) {
-    size.SetSize(1, 1);
-    data = NULL;
-  }
-
-  SkBitmap bitmap;
-  bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
-  bitmap.allocPixels();
-  if (data)
-    memcpy(bitmap.getAddr32(0, 0), data, data_size);
-  else
-    bitmap.eraseARGB(0, 0, 0, 0);
-
-  // Convert from pixels to view units.
-  if (custom_scale == 0)
-    custom_scale = 1;
-  NSSize dip_size = NSSizeFromCGSize(gfx::ToFlooredSize(
-      gfx::ScaleSize(custom_size, 1 / custom_scale)).ToCGSize());
-  NSPoint dip_hotspot = NSPointFromCGPoint(gfx::ToFlooredPoint(
-      gfx::ScalePoint(hotspot, 1 / custom_scale)).ToCGPoint());
-
-  // Both the image and its representation need to have the same size for
-  // cursors to appear in high resolution on retina displays. Note that the
-  // size of a representation is not the same as pixelsWide or pixelsHigh.
-  NSImage* cursor_image = gfx::SkBitmapToNSImage(bitmap);
-  [cursor_image setSize:dip_size];
-  [[[cursor_image representations] objectAtIndex:0] setSize:dip_size];
-
-  NSCursor* cursor = [[NSCursor alloc] initWithImage:cursor_image
-                                             hotSpot:dip_hotspot];
-
-  return [cursor autorelease];
-}
-
-}  // namespace
-
-// Match Safari's cursor choices; see platform/mac/CursorMac.mm .
-gfx::NativeCursor WebCursor::GetNativeCursor() {
-  switch (type_) {
-    case WebCursorInfo::TypePointer:
-      return [NSCursor arrowCursor];
-    case WebCursorInfo::TypeCross:
-      return [NSCursor crosshairCursor];
-    case WebCursorInfo::TypeHand:
-      // If >= 10.7, the pointingHandCursor has a shadow so use it. Otherwise
-      // use the custom one.
-      if (base::mac::IsOSLionOrLater())
-        return [NSCursor pointingHandCursor];
-      else
-        return LoadCursor(IDR_LINK_CURSOR, 6, 1);
-    case WebCursorInfo::TypeIBeam:
-      return [NSCursor IBeamCursor];
-    case WebCursorInfo::TypeWait:
-      return GetCoreCursorWithFallback(kBusyButClickableCursor,
-                                       IDR_WAIT_CURSOR, 7, 7);
-    case WebCursorInfo::TypeHelp:
-      return GetCoreCursorWithFallback(kHelpCursor,
-                                       IDR_HELP_CURSOR, 8, 8);
-    case WebCursorInfo::TypeEastResize:
-    case WebCursorInfo::TypeEastPanning:
-      return GetCoreCursorWithFallback(kResizeEastCursor,
-                                       IDR_EAST_RESIZE_CURSOR, 14, 7);
-    case WebCursorInfo::TypeNorthResize:
-    case WebCursorInfo::TypeNorthPanning:
-      return GetCoreCursorWithFallback(kResizeNorthCursor,
-                                       IDR_NORTH_RESIZE_CURSOR, 7, 1);
-    case WebCursorInfo::TypeNorthEastResize:
-    case WebCursorInfo::TypeNorthEastPanning:
-      return GetCoreCursorWithFallback(kResizeNortheastCursor,
-                                       IDR_NORTHEAST_RESIZE_CURSOR, 14, 1);
-    case WebCursorInfo::TypeNorthWestResize:
-    case WebCursorInfo::TypeNorthWestPanning:
-      return GetCoreCursorWithFallback(kResizeNorthwestCursor,
-                                       IDR_NORTHWEST_RESIZE_CURSOR, 0, 0);
-    case WebCursorInfo::TypeSouthResize:
-    case WebCursorInfo::TypeSouthPanning:
-      return GetCoreCursorWithFallback(kResizeSouthCursor,
-                                       IDR_SOUTH_RESIZE_CURSOR, 7, 14);
-    case WebCursorInfo::TypeSouthEastResize:
-    case WebCursorInfo::TypeSouthEastPanning:
-      return GetCoreCursorWithFallback(kResizeSoutheastCursor,
-                                       IDR_SOUTHEAST_RESIZE_CURSOR, 14, 14);
-    case WebCursorInfo::TypeSouthWestResize:
-    case WebCursorInfo::TypeSouthWestPanning:
-      return GetCoreCursorWithFallback(kResizeSouthwestCursor,
-                                       IDR_SOUTHWEST_RESIZE_CURSOR, 1, 14);
-    case WebCursorInfo::TypeWestResize:
-    case WebCursorInfo::TypeWestPanning:
-      return GetCoreCursorWithFallback(kResizeWestCursor,
-                                       IDR_WEST_RESIZE_CURSOR, 1, 7);
-    case WebCursorInfo::TypeNorthSouthResize:
-      return GetCoreCursorWithFallback(kResizeNorthSouthCursor,
-                                       IDR_NORTHSOUTH_RESIZE_CURSOR, 7, 7);
-    case WebCursorInfo::TypeEastWestResize:
-      return GetCoreCursorWithFallback(kResizeEastWestCursor,
-                                       IDR_EASTWEST_RESIZE_CURSOR, 7, 7);
-    case WebCursorInfo::TypeNorthEastSouthWestResize:
-      return GetCoreCursorWithFallback(kResizeNortheastSouthwestCursor,
-                                       IDR_NORTHEASTSOUTHWEST_RESIZE_CURSOR,
-                                       7, 7);
-    case WebCursorInfo::TypeNorthWestSouthEastResize:
-      return GetCoreCursorWithFallback(kResizeNorthwestSoutheastCursor,
-                                       IDR_NORTHWESTSOUTHEAST_RESIZE_CURSOR,
-                                       7, 7);
-    case WebCursorInfo::TypeColumnResize:
-      return [NSCursor resizeLeftRightCursor];
-    case WebCursorInfo::TypeRowResize:
-      return [NSCursor resizeUpDownCursor];
-    case WebCursorInfo::TypeMiddlePanning:
-    case WebCursorInfo::TypeMove:
-      return GetCoreCursorWithFallback(kMoveCursor,
-                                       IDR_MOVE_CURSOR, 7, 7);
-    case WebCursorInfo::TypeVerticalText:
-      // IBeamCursorForVerticalLayout is >= 10.7.
-      if ([NSCursor respondsToSelector:@selector(IBeamCursorForVerticalLayout)])
-        return [NSCursor IBeamCursorForVerticalLayout];
-      else
-        return LoadCursor(IDR_VERTICALTEXT_CURSOR, 7, 7);
-    case WebCursorInfo::TypeCell:
-      return GetCoreCursorWithFallback(kCellCursor,
-                                       IDR_CELL_CURSOR, 7, 7);
-    case WebCursorInfo::TypeContextMenu:
-      return [NSCursor contextualMenuCursor];
-    case WebCursorInfo::TypeAlias:
-      return GetCoreCursorWithFallback(kMakeAliasCursor,
-                                       IDR_ALIAS_CURSOR, 11, 3);
-    case WebCursorInfo::TypeProgress:
-      return GetCoreCursorWithFallback(kBusyButClickableCursor,
-                                       IDR_PROGRESS_CURSOR, 3, 2);
-    case WebCursorInfo::TypeNoDrop:
-    case WebCursorInfo::TypeNotAllowed:
-      return [NSCursor operationNotAllowedCursor];
-    case WebCursorInfo::TypeCopy:
-      return [NSCursor dragCopyCursor];
-    case WebCursorInfo::TypeNone:
-      return LoadCursor(IDR_NONE_CURSOR, 7, 7);
-    case WebCursorInfo::TypeZoomIn:
-      return GetCoreCursorWithFallback(kZoomInCursor,
-                                       IDR_ZOOMIN_CURSOR, 7, 7);
-    case WebCursorInfo::TypeZoomOut:
-      return GetCoreCursorWithFallback(kZoomOutCursor,
-                                       IDR_ZOOMOUT_CURSOR, 7, 7);
-    case WebCursorInfo::TypeGrab:
-      return [NSCursor openHandCursor];
-    case WebCursorInfo::TypeGrabbing:
-      return [NSCursor closedHandCursor];
-    case WebCursorInfo::TypeCustom:
-      return CreateCustomCursor(
-          custom_data_, custom_size_, custom_scale_, hotspot_);
-  }
-  NOTREACHED();
-  return nil;
-}
-
-void WebCursor::InitFromNSCursor(NSCursor* cursor) {
-  CursorInfo cursor_info;
-
-  if ([cursor isEqual:[NSCursor arrowCursor]]) {
-    cursor_info.type = WebCursorInfo::TypePointer;
-  } else if ([cursor isEqual:[NSCursor IBeamCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeIBeam;
-  } else if ([cursor isEqual:[NSCursor crosshairCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeCross;
-  } else if ([cursor isEqual:[NSCursor pointingHandCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeHand;
-  } else if ([cursor isEqual:[NSCursor resizeLeftCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeWestResize;
-  } else if ([cursor isEqual:[NSCursor resizeRightCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeEastResize;
-  } else if ([cursor isEqual:[NSCursor resizeLeftRightCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeEastWestResize;
-  } else if ([cursor isEqual:[NSCursor resizeUpCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeNorthResize;
-  } else if ([cursor isEqual:[NSCursor resizeDownCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeSouthResize;
-  } else if ([cursor isEqual:[NSCursor resizeUpDownCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeNorthSouthResize;
-  } else if ([cursor isEqual:[NSCursor openHandCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeGrab;
-  } else if ([cursor isEqual:[NSCursor closedHandCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeGrabbing;
-  } else if ([cursor isEqual:[NSCursor operationNotAllowedCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeNotAllowed;
-  } else if ([cursor isEqual:[NSCursor dragCopyCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeCopy;
-  } else if ([cursor isEqual:[NSCursor contextualMenuCursor]]) {
-    cursor_info.type = WebCursorInfo::TypeContextMenu;
-  } else if (
-      [NSCursor respondsToSelector:@selector(IBeamCursorForVerticalLayout)] &&
-      [cursor isEqual:[NSCursor IBeamCursorForVerticalLayout]]) {
-    cursor_info.type = WebCursorInfo::TypeVerticalText;
-  } else {
-    // Also handles the [NSCursor disappearingItemCursor] case. Quick-and-dirty
-    // image conversion; TODO(avi): do better.
-    CGImageRef cg_image = nil;
-    NSImage* image = [cursor image];
-    for (id rep in [image representations]) {
-      if ([rep isKindOfClass:[NSBitmapImageRep class]]) {
-        cg_image = [rep CGImage];
-        break;
-      }
-    }
-
-    if (cg_image) {
-      cursor_info.type = WebCursorInfo::TypeCustom;
-      NSPoint hot_spot = [cursor hotSpot];
-      cursor_info.hotspot = gfx::Point(hot_spot.x, hot_spot.y);
-      cursor_info.custom_image = gfx::CGImageToSkBitmap(cg_image);
-    } else {
-      cursor_info.type = WebCursorInfo::TypePointer;
-    }
-  }
-
-  InitFromCursorInfo(cursor_info);
-}
-
-void WebCursor::InitPlatformData() {
-  return;
-}
-
-bool WebCursor::SerializePlatformData(Pickle* pickle) const {
-  return true;
-}
-
-bool WebCursor::DeserializePlatformData(PickleIterator* iter) {
-  return true;
-}
-
-bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
-  return true;
-}
-
-void WebCursor::CleanupPlatformData() {
-  return;
-}
-
-void WebCursor::CopyPlatformData(const WebCursor& other) {
-  return;
-}