From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001
From: Steve Block <steveblock@google.com>
Date: Fri, 6 May 2011 11:45:16 +0100
Subject: Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
---
 Source/WebCore/html/MonthInputType.cpp | 142 +++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 Source/WebCore/html/MonthInputType.cpp

(limited to 'Source/WebCore/html/MonthInputType.cpp')

diff --git a/Source/WebCore/html/MonthInputType.cpp b/Source/WebCore/html/MonthInputType.cpp
new file mode 100644
index 0000000..38f9d00
--- /dev/null
+++ b/Source/WebCore/html/MonthInputType.cpp
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2010 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 "MonthInputType.h"
+
+#include "DateComponents.h"
+#include "HTMLInputElement.h"
+#include "HTMLNames.h"
+#include <wtf/CurrentTime.h>
+#include <wtf/DateMath.h>
+#include <wtf/MathExtras.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+static const double monthDefaultStep = 1.0;
+static const double monthStepScaleFactor = 1.0;
+
+PassOwnPtr<InputType> MonthInputType::create(HTMLInputElement* element)
+{
+    return adoptPtr(new MonthInputType(element));
+}
+
+const AtomicString& MonthInputType::formControlType() const
+{
+    return InputTypeNames::month();
+}
+
+double MonthInputType::valueAsDate() const
+{
+    DateComponents date;
+    if (!parseToDateComponents(element()->value(), &date))
+        return DateComponents::invalidMilliseconds();
+    double msec = date.millisecondsSinceEpoch();
+    ASSERT(isfinite(msec));
+    return msec;
+}
+
+void MonthInputType::setValueAsDate(double value, ExceptionCode&) const
+{
+    DateComponents date;
+    if (!date.setMillisecondsSinceEpochForMonth(value)) {
+        element()->setValue(String());
+        return;
+    }
+    element()->setValue(date.toString());
+}
+
+double MonthInputType::defaultValueForStepUp() const
+{
+    double current = currentTimeMS();
+    double utcOffset = calculateUTCOffset();
+    double dstOffset = calculateDSTOffset(current, utcOffset);
+    int offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute);
+    current += offset * msPerMinute;
+
+    DateComponents date;
+    date.setMillisecondsSinceEpochForMonth(current);
+    double months = date.monthsSinceEpoch();
+    ASSERT(isfinite(months));
+    return months;
+}
+
+double MonthInputType::minimum() const
+{
+    return parseToDouble(element()->fastGetAttribute(minAttr), DateComponents::minimumMonth());
+}
+
+double MonthInputType::maximum() const
+{
+    return parseToDouble(element()->fastGetAttribute(maxAttr), DateComponents::maximumMonth());
+}
+
+double MonthInputType::defaultStep() const
+{
+    return monthDefaultStep;
+}
+
+double MonthInputType::stepScaleFactor() const
+{
+    return monthStepScaleFactor;
+}
+
+bool MonthInputType::parsedStepValueShouldBeInteger() const
+{
+    return true;
+}
+
+double MonthInputType::parseToDouble(const String& src, double defaultValue) const
+{
+    DateComponents date;
+    if (!parseToDateComponents(src, &date))
+        return defaultValue;
+    double months = date.monthsSinceEpoch();
+    ASSERT(isfinite(months));
+    return months;
+}
+
+bool MonthInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
+{
+    ASSERT(out);
+    unsigned end;
+    return out->parseMonth(characters, length, 0, end) && end == length;
+}
+
+bool MonthInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
+{
+    ASSERT(date);
+    return date->setMonthsSinceEpoch(value);
+}
+
+} // namespace WebCore
-- 
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