diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/core/loader/cache/FontResource.h')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/loader/cache/FontResource.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/loader/cache/FontResource.h b/chromium/third_party/WebKit/Source/core/loader/cache/FontResource.h new file mode 100644 index 00000000000..5997f1e9b98 --- /dev/null +++ b/chromium/third_party/WebKit/Source/core/loader/cache/FontResource.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2007, 2008 Apple 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. + */ + +#ifndef FontResource_h +#define FontResource_h + +#include "core/loader/cache/Resource.h" +#include "core/loader/cache/ResourceClient.h" +#include "core/platform/graphics/FontOrientation.h" +#include "core/platform/graphics/FontWidthVariant.h" +#include "wtf/OwnPtr.h" + +namespace WebCore { + +class ResourceFetcher; +class FontPlatformData; +class SVGDocument; +class SVGFontElement; +class FontCustomPlatformData; + +class FontResource : public Resource { +public: + FontResource(const ResourceRequest&); + virtual ~FontResource(); + + virtual void load(ResourceFetcher*, const ResourceLoaderOptions&); + + virtual void didAddClient(ResourceClient*); + + virtual void allClientsRemoved(); + void beginLoadIfNeeded(ResourceFetcher* dl); + bool stillNeedsLoad() const { return !m_loadInitiated; } + + bool ensureCustomFontData(); + FontPlatformData platformDataFromCustomData(float size, bool bold, bool italic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth); + +#if ENABLE(SVG_FONTS) + bool ensureSVGFontData(); + SVGFontElement* getSVGFontById(const String&) const; +#endif + +private: + virtual void checkNotify(); + OwnPtr<FontCustomPlatformData> m_fontData; + bool m_loadInitiated; + +#if ENABLE(SVG_FONTS) + RefPtr<WebCore::SVGDocument> m_externalSVGDocument; +#endif + + friend class MemoryCache; +}; + +class FontResourceClient : public ResourceClient { +public: + virtual ~FontResourceClient() { } + static ResourceClientType expectedType() { return FontType; } + virtual ResourceClientType resourceClientType() const { return expectedType(); } + virtual void fontLoaded(FontResource*) { } + virtual void didStartFontLoad(FontResource*) { } +}; + +} + +#endif |