mojo: Create a basic clipboard.

mojo/services/html_viewer/webclipboard_impl.h

Index: mojo/services/html_viewer/webclipboard_impl.h
diff --git a/mojo/services/html_viewer/webclipboard_impl.h b/mojo/services/html_viewer/webclipboard_impl.h
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+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_
+#define MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_
+
+#include "mojo/services/public/interfaces/clipboard/clipboard.mojom.h"
+#include "third_party/WebKit/public/platform/WebClipboard.h"
+
+namespace mojo {
+
+class WebClipboardImpl : public blink::WebClipboard {
+ public:
+  WebClipboardImpl(ClipboardPtr clipboard);
+  virtual ~WebClipboardImpl();
+
+  // blink::WebClipboard methods:
+  virtual uint64_t sequenceNumber(Buffer);
+  virtual bool isFormatAvailable(Format, Buffer);
+  virtual blink::WebVector<blink::WebString> readAvailableTypes(
+      Buffer,
+      bool* containsFilenames);
+  virtual blink::WebString readPlainText(Buffer);
+  virtual blink::WebString readHTML(Buffer buffer,
+                                    blink::WebURL* pageURL,
+                                    unsigned* fragmentStart,
+                                    unsigned* fragmentEnd);
+  // TODO(erg): readImage()
+  virtual blink::WebString readCustomData(Buffer, const blink::WebString& type);
+  virtual void writePlainText(const blink::WebString&);
+  virtual void writeHTML(const blink::WebString& htmlText,
+                         const blink::WebURL&,
+                         const blink::WebString& plainText,
+                         bool writeSmartPaste);
+
+ private:
+  // Changes webkit buffers to mojo Clipboard::Types.
+  mojo::Clipboard::Type ConvertBufferType(Buffer buffer);
+
+  ClipboardPtr clipboard_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebClipboardImpl);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_