Use IDL union types for CanvasRenderingContext2D.{fill,stroke}Style

Source/bindings/core/v8/custom/V8CanvasRenderingContext2DCustom.cpp

-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "bindings/core/v8/V8CanvasRenderingContext2D.h"
-
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8CanvasGradient.h"
-#include "bindings/core/v8/V8CanvasPattern.h"
-#include "bindings/core/v8/V8HTMLCanvasElement.h"
-#include "bindings/core/v8/V8HTMLImageElement.h"
-#include "bindings/core/v8/V8HTMLVideoElement.h"
-#include "bindings/core/v8/V8ImageData.h"
-#include "core/html/canvas/CanvasGradient.h"
-#include "core/html/canvas/CanvasPattern.h"
-#include "core/html/canvas/CanvasRenderingContext2D.h"
-#include "core/html/canvas/CanvasStyle.h"
-#include "platform/geometry/FloatRect.h"
-
-namespace blink {
-
-static v8::Handle<v8::Value> toV8Object(CanvasStyle* style, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    if (style->canvasGradient())
-        return toV8(style->canvasGradient(), creationContext, isolate);
-
-    if (style->canvasPattern())
-        return toV8(style->canvasPattern(), creationContext, isolate);
-
-    return v8String(isolate, style->color());
-}
-
-static PassRefPtrWillBeRawPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value, v8::Isolate* isolate)
-{
-    RefPtrWillBeRawPtr<CanvasStyle> canvasStyle = CanvasStyle::createFromGradient(V8CanvasGradient::toImplWithTypeCheck(isolate, value));
-    if (canvasStyle)
-        return canvasStyle;
-    return CanvasStyle::createFromPattern(V8CanvasPattern::toImplWithTypeCheck(isolate, value));
-}
-
-void V8CanvasRenderingContext2D::strokeStyleAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toImpl(info.Holder());
-    v8SetReturnValue(info, toV8Object(impl->strokeStyle(), info.Holder(), info.GetIsolate()));
-}
-
-void V8CanvasRenderingContext2D::strokeStyleAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toImpl(info.Holder());
-    if (RefPtrWillBeRawPtr<CanvasStyle> canvasStyle = toCanvasStyle(value, info.GetIsolate())) {
-        impl->setStrokeStyle(canvasStyle);
-    } else {
-        TOSTRING_VOID(V8StringResource<>, colorString, value);
-        impl->setStrokeStyle(CanvasStyle::createFromString(colorString));
-    }
-}
-
-void V8CanvasRenderingContext2D::fillStyleAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toImpl(info.Holder());
-    v8SetReturnValue(info, toV8Object(impl->fillStyle(), info.Holder(), info.GetIsolate()));
-}
-
-void V8CanvasRenderingContext2D::fillStyleAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toImpl(info.Holder());
-    if (RefPtrWillBeRawPtr<CanvasStyle> canvasStyle = toCanvasStyle(value, info.GetIsolate())) {
-        impl->setFillStyle(canvasStyle);
-    } else {
-        TOSTRING_VOID(V8StringResource<>, colorString, value);
-        impl->setFillStyle(CanvasStyle::createFromString(colorString));
-    }
-}
-
-} // namespace blink