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/*
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
* 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:
* 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 ResourceResponseBase_h
#define ResourceResponseBase_h
#include "HTTPHeaderMap.h"
#include "KURL.h"
#include "ResourceLoadTiming.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/RefPtr.h>
#if OS(SOLARIS)
#include <sys/time.h> // For time_t structure.
#endif
namespace WebCore {
class ResourceResponse;
struct CrossThreadResourceResponseData;
// Do not use this class directly, use the class ResponseResponse instead
class ResourceResponseBase {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassOwnPtr<ResourceResponse> adopt(PassOwnPtr<CrossThreadResourceResponseData>);
// Gets a copy of the data suitable for passing to another thread.
PassOwnPtr<CrossThreadResourceResponseData> copyData() const;
bool isNull() const { return m_isNull; }
bool isHTTP() const;
const KURL& url() const;
void setURL(const KURL& url);
const String& mimeType() const;
void setMimeType(const String& mimeType);
long long expectedContentLength() const;
void setExpectedContentLength(long long expectedContentLength);
const String& textEncodingName() const;
void setTextEncodingName(const String& name);
// FIXME: Should compute this on the fly.
// There should not be a setter exposed, as suggested file name is determined based on other headers in a manner that WebCore does not necessarily know about.
const String& suggestedFilename() const;
void setSuggestedFilename(const String&);
int httpStatusCode() const;
void setHTTPStatusCode(int);
const String& httpStatusText() const;
void setHTTPStatusText(const String&);
String httpHeaderField(const AtomicString& name) const;
String httpHeaderField(const char* name) const;
void setHTTPHeaderField(const AtomicString& name, const String& value);
void addHTTPHeaderField(const AtomicString& name, const String& value);
const HTTPHeaderMap& httpHeaderFields() const;
bool isMultipart() const { return mimeType() == "multipart/x-mixed-replace"; }
bool isAttachment() const;
// FIXME: These are used by PluginStream on some platforms. Calculations may differ from just returning plain Last-Modified header.
// Leaving it for now but this should go away in favor of generic solution.
void setLastModifiedDate(time_t);
time_t lastModifiedDate() const;
// These functions return parsed values of the corresponding response headers.
// NaN means that the header was not present or had invalid value.
bool cacheControlContainsNoCache() const;
bool cacheControlContainsNoStore() const;
bool cacheControlContainsMustRevalidate() const;
bool hasCacheValidatorFields() const;
double cacheControlMaxAge() const;
double date() const;
double age() const;
double expires() const;
double lastModified() const;
unsigned connectionID() const;
void setConnectionID(unsigned);
bool connectionReused() const;
void setConnectionReused(bool);
bool wasCached() const;
void setWasCached(bool);
ResourceLoadTiming* resourceLoadTiming() const;
void setResourceLoadTiming(PassRefPtr<ResourceLoadTiming>);
// The ResourceResponse subclass may "shadow" this method to provide platform-specific memory usage information
unsigned memoryUsage() const
{
// average size, mostly due to URL and Header Map strings
return 1280;
}
static bool compare(const ResourceResponse&, const ResourceResponse&);
protected:
enum InitLevel {
Uninitialized,
CommonFieldsOnly,
CommonAndUncommonFields,
AllFields
};
ResourceResponseBase();
ResourceResponseBase(const KURL& url, const String& mimeType, long long expectedLength, const String& textEncodingName, const String& filename);
void lazyInit(InitLevel) const;
// The ResourceResponse subclass may "shadow" this method to lazily initialize platform specific fields
void platformLazyInit(InitLevel) { }
// The ResourceResponse subclass may "shadow" this method to compare platform specific fields
static bool platformCompare(const ResourceResponse&, const ResourceResponse&) { return true; }
KURL m_url;
String m_mimeType;
long long m_expectedContentLength;
String m_textEncodingName;
String m_suggestedFilename;
int m_httpStatusCode;
String m_httpStatusText;
HTTPHeaderMap m_httpHeaderFields;
time_t m_lastModifiedDate;
bool m_wasCached : 1;
unsigned m_connectionID;
bool m_connectionReused : 1;
RefPtr<ResourceLoadTiming> m_resourceLoadTiming;
bool m_isNull : 1;
private:
const ResourceResponse& asResourceResponse() const;
void parseCacheControlDirectives() const;
void updateHeaderParsedState(const AtomicString& name);
mutable bool m_haveParsedCacheControlHeader : 1;
mutable bool m_haveParsedAgeHeader : 1;
mutable bool m_haveParsedDateHeader : 1;
mutable bool m_haveParsedExpiresHeader : 1;
mutable bool m_haveParsedLastModifiedHeader : 1;
mutable bool m_cacheControlContainsNoCache : 1;
mutable bool m_cacheControlContainsNoStore : 1;
mutable bool m_cacheControlContainsMustRevalidate : 1;
mutable double m_cacheControlMaxAge;
mutable double m_age;
mutable double m_date;
mutable double m_expires;
mutable double m_lastModified;
};
inline bool operator==(const ResourceResponse& a, const ResourceResponse& b) { return ResourceResponseBase::compare(a, b); }
inline bool operator!=(const ResourceResponse& a, const ResourceResponse& b) { return !(a == b); }
struct CrossThreadResourceResponseDataBase {
WTF_MAKE_NONCOPYABLE(CrossThreadResourceResponseDataBase); WTF_MAKE_FAST_ALLOCATED;
public:
CrossThreadResourceResponseDataBase() { }
KURL m_url;
String m_mimeType;
long long m_expectedContentLength;
String m_textEncodingName;
String m_suggestedFilename;
int m_httpStatusCode;
String m_httpStatusText;
OwnPtr<CrossThreadHTTPHeaderMapData> m_httpHeaders;
time_t m_lastModifiedDate;
RefPtr<ResourceLoadTiming> m_resourceLoadTiming;
};
} // namespace WebCore
#endif // ResourceResponseBase_h
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