Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 76 insertions, 0 deletions

diff --git a/Source/WebCore/platform/chromium/ReadableDataObject.h b/Source/WebCore/platform/chromium/ReadableDataObject.h
new file mode 100644
index 0000000..027e0ed
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+++ b/Source/WebCore/platform/chromium/ReadableDataObject.h
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+/*
+ * 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.
+ */
+
+#ifndef ReadableDataObject_h
+#define ReadableDataObject_h
+
+#include "Clipboard.h"
+#include "PlatformString.h"
+#include <wtf/HashSet.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+
+// Used for one way communication of drag/drop and copy/paste data from the
+// browser to the renderer.
+class ReadableDataObject : public RefCounted<ReadableDataObject> {
+public:
+    static PassRefPtr<ReadableDataObject> create(Clipboard::ClipboardType);
+
+    bool hasData() const;
+    HashSet<String> types() const;
+    String getData(const String& type, bool& succeeded) const;
+
+    String urlTitle() const;
+    KURL htmlBaseUrl() const;
+
+    bool containsFilenames() const;
+    Vector<String> filenames() const;
+
+private:
+    explicit ReadableDataObject(Clipboard::ClipboardType);
+
+    // This isn't always const... but most of the time it is.
+    void ensureTypeCacheInitialized() const;
+
+    Clipboard::ClipboardType m_clipboardType;
+
+    // To avoid making a lot of IPC calls for each drag event, we cache some
+    // values in the renderer.
+    mutable HashSet<String> m_types;
+    mutable bool m_containsFilenames;
+    mutable bool m_isTypeCacheInitialized;
+};
+
+} // namespace WebCore
+
+#endif