Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 140 insertions, 0 deletions

diff --git a/Source/WebCore/css/WebKitCSSKeyframesRule.cpp b/Source/WebCore/css/WebKitCSSKeyframesRule.cpp
new file mode 100644
index 000000000..486cf1f0d
--- /dev/null
+++ b/Source/WebCore/css/WebKitCSSKeyframesRule.cpp
@@ -0,0 +1,140 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "WebKitCSSKeyframesRule.h"
+
+#include "CSSMutableStyleDeclaration.h"
+#include "CSSParser.h"
+#include "CSSRuleList.h"
+#include "StyleSheet.h"
+#include "WebKitCSSKeyframeRule.h"
+
+namespace WebCore {
+
+WebKitCSSKeyframesRule::WebKitCSSKeyframesRule(CSSStyleSheet* parent)
+    : CSSRule(parent, CSSRule::WEBKIT_KEYFRAMES_RULE)
+    , m_lstCSSRules(CSSRuleList::create())
+{
+}
+
+WebKitCSSKeyframesRule::~WebKitCSSKeyframesRule()
+{
+    for (unsigned i = 0; i < length(); ++i) {
+        WebKitCSSKeyframeRule* rule = item(i);
+        rule->setParentRule(0);
+    }
+}
+
+void WebKitCSSKeyframesRule::setName(const String& name)
+{
+    m_name = name;
+
+    // Since the name is used in the keyframe map list in CSSStyleSelector, we need
+    // to recompute the style sheet to get the updated name.
+    if (CSSStyleSheet* styleSheet = parentStyleSheet())
+        styleSheet->styleSheetChanged();
+}
+
+WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index)
+{
+    CSSRule* rule = m_lstCSSRules->item(index);
+    ASSERT(rule->isKeyframeRule());
+    return static_cast<WebKitCSSKeyframeRule*>(rule);
+}
+
+const WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index) const
+{
+    const CSSRule* rule = m_lstCSSRules->item(index);
+    ASSERT(rule->isKeyframeRule());
+    return static_cast<const WebKitCSSKeyframeRule*>(rule);
+}
+
+void WebKitCSSKeyframesRule::append(WebKitCSSKeyframeRule* rule)
+{
+    if (!rule)
+        return;
+
+    m_lstCSSRules->append(rule);
+    rule->setParentRule(this);
+}
+
+void WebKitCSSKeyframesRule::insertRule(const String& rule)
+{
+    CSSParser p(useStrictParsing());
+    RefPtr<WebKitCSSKeyframeRule> newRule = p.parseKeyframeRule(parentStyleSheet(), rule);
+    if (newRule)
+        append(newRule.get());
+}
+
+void WebKitCSSKeyframesRule::deleteRule(const String& s)
+{
+    int i = findRuleIndex(s);
+    if (i < 0)
+        return;
+
+    WebKitCSSKeyframeRule* rule = item(i);
+    rule->setParentRule(0);
+    m_lstCSSRules->deleteRule(i);
+}
+
+WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::findRule(const String& s)
+{
+    int i = findRuleIndex(s);
+    return (i >= 0) ? item(i) : 0;
+}
+
+int WebKitCSSKeyframesRule::findRuleIndex(const String& key) const
+{
+    String percentageString;
+    if (equalIgnoringCase(key, "from"))
+        percentageString = "0%";
+    else if (equalIgnoringCase(key, "to"))
+        percentageString = "100%";
+    else
+        percentageString = key;
+
+    for (unsigned i = 0; i < length(); ++i) {
+        if (item(i)->keyText() == percentageString)
+            return i;
+    }
+
+    return -1;
+}
+
+String WebKitCSSKeyframesRule::cssText() const
+{
+    String result = "@-webkit-keyframes ";
+    result += m_name;
+    result += " { \n";
+
+    if (m_lstCSSRules)
+        result += m_lstCSSRules->rulesText();
+
+    result += "}";
+    return result;
+}
+
+} // namespace WebCore