gecko-dev/layout/svg/SVGImageContext.cpp

62 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Main header first:
#include "SVGImageContext.h"
// Keep others in (case-insensitive) order:
#include "gfxUtils.h"
#include "mozilla/Preferences.h"
#include "nsPresContext.h"
namespace mozilla {
bool
SVGImageContext::MaybeStoreContextPaint(nsIFrame* aFromFrame)
{
static bool sEnabledForContent = false;
static bool sEnabledForContentCached = false;
if (!sEnabledForContentCached) {
Preferences::AddBoolVarCache(&sEnabledForContent,
"svg.context-properties.content.enabled", false);
sEnabledForContentCached = true;
}
if (!sEnabledForContent &&
!aFromFrame->PresContext()->IsChrome()) {
// Context paint is pref'ed off for content and this is a content doc.
return false;
}
// XXX return early if the 'context-properties' property is not set.
bool haveContextPaint = false;
RefPtr<SVGEmbeddingContextPaint> contextPaint = new SVGEmbeddingContextPaint();
const nsStyleSVG* style = aFromFrame->StyleSVG();
// XXX don't set values for properties not listed in 'context-properties'.
if (style->mFill.Type() == eStyleSVGPaintType_Color) {
haveContextPaint = true;
contextPaint->SetFill(style->mFill.GetColor());
}
if (style->mStroke.Type() == eStyleSVGPaintType_Color) {
haveContextPaint = true;
contextPaint->SetStroke(style->mStroke.GetColor());
}
if (haveContextPaint) {
mContextPaint = contextPaint.forget();
}
return mContextPaint != nullptr;
}
} // namespace mozilla