1 /*
2 * Copyright (C) 2011 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "BackingStore.h"
28
29 #include "ShareableBitmap.h"
30 #include "UpdateInfo.h"
31
32 using namespace WebCore;
33
34 #if !PLATFORM(MAC) && !PLATFORM(WIN)
35 #error "This class is not ready for use by other ports yet."
36 #endif
37
38 namespace WebKit {
39
create(const IntSize & size,WebPageProxy * webPageProxy)40 PassOwnPtr<BackingStore> BackingStore::create(const IntSize& size, WebPageProxy* webPageProxy)
41 {
42 return adoptPtr(new BackingStore(size, webPageProxy));
43 }
44
BackingStore(const IntSize & size,WebPageProxy * webPageProxy)45 BackingStore::BackingStore(const IntSize& size, WebPageProxy* webPageProxy)
46 : m_size(size)
47 , m_webPageProxy(webPageProxy)
48 {
49 ASSERT(!m_size.isEmpty());
50 }
51
~BackingStore()52 BackingStore::~BackingStore()
53 {
54 }
55
incorporateUpdate(const UpdateInfo & updateInfo)56 void BackingStore::incorporateUpdate(const UpdateInfo& updateInfo)
57 {
58 // ASSERT(m_size == updateInfo.viewSize);
59
60 RefPtr<ShareableBitmap> bitmap = ShareableBitmap::create(updateInfo.bitmapHandle);
61 if (!bitmap)
62 return;
63 ASSERT(bitmap->size() == updateInfo.updateRectBounds.size());
64
65 incorporateUpdate(bitmap.get(), updateInfo);
66 }
67
68 } // namespace WebKit
69