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1 /*
2  * Copyright (C) 2009 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef WebPageSerializerClient_h
32 #define WebPageSerializerClient_h
33 
34 namespace WebKit {
35 class WebCString;
36 class WebURL;
37 
38 // This class is used for providing sink interface that can be used to receive
39 // the individual chunks of data to be saved.
40 class WebPageSerializerClient {
41 public:
42     // This enum indicates  This sink interface can receive the individual chunks
43     // of serialized data to be saved, so we use values of following enum
44     // definition to indicate the serialization status of serializing all html
45     // content. If current frame is not complete serialized, call
46     // didSerializeDataForFrame with URL of current frame, data, data length and
47     // flag CurrentFrameIsNotFinished.
48     // If current frame is complete serialized, call didSerializeDataForFrame
49     // with URL of current frame, data, data length and flag
50     // CurrentFrameIsFinished.
51     // If all frames of page are complete serialized, call
52     // didSerializeDataForFrame with empty URL, empty data, 0 and flag
53     // AllFramesAreFinished.
54     enum PageSerializationStatus {
55         CurrentFrameIsNotFinished,
56         CurrentFrameIsFinished,
57         AllFramesAreFinished,
58     };
59 
60     // Receive the individual chunks of serialized and encoded data to be saved.
61     // The parameter frameURL specifies what frame the data belongs. The
62     // parameter data contains the available data for saving. The parameter
63     // status indicates the status of data serialization.
64     virtual void didSerializeDataForFrame(const WebURL& frameURL,
65                                           const WebCString& data,
66                                           PageSerializationStatus status) = 0;
WebPageSerializerClient()67     WebPageSerializerClient() { }
68 
69 protected:
~WebPageSerializerClient()70     virtual ~WebPageSerializerClient() { }
71 };
72 
73 }  // namespace WebKit
74 
75 #endif
76