webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 55 insertions, 71 deletions

diff --git a/Source/WebCore/fileapi/File.cpp b/Source/WebCore/fileapi/File.cpp
index 6f6dd0e61..1298e02a8 100644
--- a/Source/WebCore/fileapi/File.cpp
+++ b/Source/WebCore/fileapi/File.cpp
@@ -26,114 +26,98 @@
 #include "config.h"
 #include "File.h"
 
+#include "BlobURL.h"
 #include "FileMetadata.h"
 #include "FileSystem.h"
 #include "MIMETypeRegistry.h"
+#include "ThreadableBlobRegistry.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/DateMath.h>
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
 
-static String getContentTypeFromFileName(const String& name, File::ContentTypeLookupPolicy policy)
-{
-    String type;
-    int index = name.reverseFind('.');
-    if (index != -1) {
-        if (policy == File::WellKnownContentTypes)
-            type = MIMETypeRegistry::getWellKnownMIMETypeForExtension(name.substring(index + 1));
-        else {
-            ASSERT(policy == File::AllContentTypes);
-            type = MIMETypeRegistry::getMIMETypeForExtension(name.substring(index + 1));
-        }
-    }
-    return type;
-}
-
-static std::unique_ptr<BlobData> createBlobDataForFileWithType(const String& path, const String& contentType)
+File::File(const String& path)
+    : Blob(uninitializedContructor)
+    , m_path(path)
 {
-    auto blobData = std::make_unique<BlobData>();
-    ASSERT(Blob::isNormalizedContentType(contentType));
-    blobData->setContentType(contentType);
-    blobData->appendFile(path);
-    return blobData;
+    m_internalURL = BlobURL::createInternalURL();
+    m_size = -1;
+    computeNameAndContentType(m_path, String(), m_name, m_type);
+    ThreadableBlobRegistry::registerFileBlobURL(m_internalURL, path, m_type);
 }
 
-static std::unique_ptr<BlobData> createBlobDataForFile(const String& path, File::ContentTypeLookupPolicy policy)
+File::File(const String& path, const String& nameOverride)
+    : Blob(uninitializedContructor)
+    , m_path(path)
 {
-    return createBlobDataForFileWithType(path, getContentTypeFromFileName(path, policy));
+    m_internalURL = BlobURL::createInternalURL();
+    m_size = -1;
+    computeNameAndContentType(m_path, nameOverride, m_name, m_type);
+    ThreadableBlobRegistry::registerFileBlobURL(m_internalURL, path, m_type);
 }
 
-static std::unique_ptr<BlobData> createBlobDataForFileWithName(const String& path, const String& fileSystemName, File::ContentTypeLookupPolicy policy)
+File::File(DeserializationContructor, const String& path, const URL& url, const String& type, const String& name)
+    : Blob(deserializationContructor, url, type, -1, path)
+    , m_path(path)
+    , m_name(name)
 {
-    return createBlobDataForFileWithType(path, getContentTypeFromFileName(fileSystemName, policy));
 }
 
-#if ENABLE(DIRECTORY_UPLOAD)
-PassRefPtr<File> File::createWithRelativePath(const String& path, const String& relativePath)
+static BlobPropertyBag convertPropertyBag(const File::PropertyBag& initialBag)
 {
-    RefPtr<File> file = adoptRef(new File(path, AllContentTypes));
-    file->m_relativePath = relativePath;
-    return file.release();
+    BlobPropertyBag bag;
+    bag.type = initialBag.type;
+    return bag;
 }
-#endif
 
-File::File(const String& path, ContentTypeLookupPolicy policy)
-    : Blob(createBlobDataForFile(path, policy), -1)
-    , m_path(path)
-    , m_name(pathGetFileName(path))
+File::File(Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag& propertyBag)
+    : Blob(WTFMove(blobPartVariants), convertPropertyBag(propertyBag))
+    , m_name(filename)
+    , m_overrideLastModifiedDate(propertyBag.lastModified.value_or(currentTimeMS()))
 {
 }
 
-File::File(const String& path, const URL& url, const String& type)
-    : Blob(url, type, -1)
-    , m_path(path)
+double File::lastModified() const
 {
-    m_name = pathGetFileName(path);
-    // FIXME: File object serialization/deserialization does not include
-    // newer file object data members: m_name and m_relativePath.
-    // See SerializedScriptValue.cpp
-}
+    if (m_overrideLastModifiedDate)
+        return m_overrideLastModifiedDate.value();
 
-File::File(const String& path, const String& name, ContentTypeLookupPolicy policy)
-    : Blob(createBlobDataForFileWithName(path, name, policy), -1)
-    , m_path(path)
-    , m_name(name)
-{
-}
+    double result;
 
-double File::lastModifiedDate() const
-{
+    // FIXME: This does sync-i/o on the main thread and also recalculates every time the method is called.
+    // The i/o should be performed on a background thread,
+    // and the result should be cached along with an asynchronous monitor for changes to the file.
     time_t modificationTime;
     if (getFileModificationTime(m_path, modificationTime) && isValidFileTime(modificationTime))
-        return modificationTime * msPerSecond;
+        result = modificationTime * msPerSecond;
+    else
+        result = currentTime() * msPerSecond;
 
-    return currentTime() * msPerSecond;
+    return WTF::timeClip(result);
 }
 
-unsigned long long File::size() const
+void File::computeNameAndContentType(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType)
 {
-    // FIXME: JavaScript cannot represent sizes as large as unsigned long long, we need to
-    // come up with an exception to throw if file size is not representable.
-    long long size;
-    if (!getFileSize(m_path, size))
-        return 0;
-    return static_cast<unsigned long long>(size);
+#if ENABLE(FILE_REPLACEMENT)
+    if (shouldReplaceFile(path)) {
+        computeNameAndContentTypeForReplacedFile(path, nameOverride, effectiveName, effectiveContentType);
+        return;
+    }
+#endif
+    effectiveName = nameOverride.isNull() ? pathGetFileName(path) : nameOverride;
+    size_t index = effectiveName.reverseFind('.');
+    if (index != notFound)
+        effectiveContentType = MIMETypeRegistry::getMIMETypeForExtension(effectiveName.substring(index + 1));
 }
 
-void File::captureSnapshot(long long& snapshotSize, double& snapshotModificationTime) const
+String File::contentTypeForFile(const String& path)
 {
-    // Obtains a snapshot of the file by capturing its current size and modification time. This is used when we slice a file for the first time.
-    // If we fail to retrieve the size or modification time, probably due to that the file has been deleted, 0 size is returned.
-    FileMetadata metadata;
-    if (!getFileMetadata(m_path, metadata)) {
-        snapshotSize = 0;
-        snapshotModificationTime = invalidFileTime();
-        return;
-    }
+    String name;
+    String type;
+    computeNameAndContentType(path, String(), name, type);
 
-    snapshotSize = metadata.length;
-    snapshotModificationTime = metadata.modificationTime;
+    return type;
 }
 
 } // namespace WebCore