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// Copyright (c) 2006-2008 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/glue/webcursor.h"
#include "config.h"
#include "NativeImageSkia.h"
#include "PlatformCursor.h"
#undef LOG
#include "base/logging.h"
#include "base/pickle.h"
WebCursor::WebCursor()
: type_(WebCore::PlatformCursor::typePointer) {
InitPlatformData();
}
WebCursor::WebCursor(const WebCore::PlatformCursor& platform_cursor)
: type_(platform_cursor.type()),
hotspot_(platform_cursor.hotSpot().x(), platform_cursor.hotSpot().y()) {
if (IsCustom())
SetCustomData(platform_cursor.customImage().get());
InitPlatformData();
}
WebCursor::~WebCursor() {
Clear();
}
WebCursor::WebCursor(const WebCursor& other) {
InitPlatformData();
Copy(other);
}
const WebCursor& WebCursor::operator=(const WebCursor& other) {
if (this == &other)
return *this;
Clear();
Copy(other);
return *this;
}
bool WebCursor::Deserialize(const Pickle* pickle, void** iter) {
int type, hotspot_x, hotspot_y, size_x, size_y, data_len;
const char* data;
// Leave |this| unmodified unless we are going to return success.
if (!pickle->ReadInt(iter, &type) ||
!pickle->ReadInt(iter, &hotspot_x) ||
!pickle->ReadInt(iter, &hotspot_y) ||
!pickle->ReadInt(iter, &size_x) ||
!pickle->ReadInt(iter, &size_y) ||
!pickle->ReadData(iter, &data, &data_len))
return false;
type_ = type;
hotspot_.set_x(hotspot_x);
hotspot_.set_y(hotspot_y);
custom_size_.set_width(size_x);
custom_size_.set_height(size_y);
custom_data_.clear();
if (data_len > 0) {
custom_data_.resize(data_len);
memcpy(&custom_data_[0], data, data_len);
}
return DeserializePlatformData(pickle, iter);
}
bool WebCursor::Serialize(Pickle* pickle) const {
if (!pickle->WriteInt(type_) ||
!pickle->WriteInt(hotspot_.x()) ||
!pickle->WriteInt(hotspot_.y()) ||
!pickle->WriteInt(custom_size_.width()) ||
!pickle->WriteInt(custom_size_.height()))
return false;
const char* data = NULL;
if (!custom_data_.empty())
data = &custom_data_[0];
if (!pickle->WriteData(data, custom_data_.size()))
return false;
return SerializePlatformData(pickle);
}
bool WebCursor::IsCustom() const {
return type_ == WebCore::PlatformCursor::typeCustom;
}
bool WebCursor::IsEqual(const WebCursor& other) const {
if (type_ != other.type_)
return false;
if (!IsPlatformDataEqual(other))
return false;
return hotspot_ == other.hotspot_ &&
custom_size_ == other.custom_size_ &&
custom_data_ == other.custom_data_;
}
void WebCursor::Clear() {
type_ = WebCore::PlatformCursor::typePointer;
hotspot_.set_x(0);
hotspot_.set_y(0);
custom_size_.set_width(0);
custom_size_.set_height(0);
custom_data_.clear();
CleanupPlatformData();
}
void WebCursor::Copy(const WebCursor& other) {
type_ = other.type_;
hotspot_ = other.hotspot_;
custom_size_ = other.custom_size_;
custom_data_ = other.custom_data_;
CopyPlatformData(other);
}
#if !defined(OS_MACOSX)
// The Mac version of Chromium is built with PLATFORM(CG) while all other
// versions are PLATFORM(SKIA). We'll keep this Skia implementation here for
// common use and put the Mac implementation in webcursor_mac.mm.
void WebCursor::SetCustomData(WebCore::Image* image) {
if (!image)
return;
WebCore::NativeImagePtr image_ptr = image->nativeImageForCurrentFrame();
if (!image_ptr)
return;
// Fill custom_data_ directly with the NativeImage pixels.
SkAutoLockPixels bitmap_lock(*image_ptr);
custom_data_.resize(image_ptr->getSize());
memcpy(&custom_data_[0], image_ptr->getPixels(), image_ptr->getSize());
custom_size_.set_width(image_ptr->width());
custom_size_.set_height(image_ptr->height());
}
#endif
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