Source/modules/webdatabase/chromium/QuotaTracker.cpp - Issue 17080003: Get rid of modules/webdatabase/chromium

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Issue 17080003: Get rid of modules/webdatabase/chromium (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 7 years, 6 months ago

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1 /*

2 * Copyright (C) 2011 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 #include "config.h"

32 #include "modules/webdatabase/chromium/QuotaTracker.h"

33

34 #include "public/platform/Platform.h"

35 #include "wtf/StdLibExtras.h"

36 #include "wtf/Threading.h"

37

38 namespace WebCore {

39

40 QuotaTracker& QuotaTracker::instance()

41 {

42 AtomicallyInitializedStatic(QuotaTracker&, tracker = *new QuotaTracker);

43 return tracker;

44 }

45

46 void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(

47 const String& originIdentifier, const String& databaseName,

48 unsigned long long* databaseSize, unsigned long long* spaceAvailable)

49 {

50 // Extra scope to unlock prior to potentially calling WebKit::Platform.

51 {

52 MutexLocker lockData(m_dataGuard);

53 ASSERT(m_databaseSizes.contains(originIdentifier));

54 HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(origi nIdentifier);

55 ASSERT(it->value.contains(databaseName));

56 *databaseSize = it->value.get(databaseName);

57

58 if (m_spaceAvailableToOrigins.contains(originIdentifier)) {

59 *spaceAvailable = m_spaceAvailableToOrigins.get(originIdentifier);

60 return;

61 }

62 }

63

64 // The embedder hasn't pushed this value to us, so we pull it as needed.

65 *spaceAvailable = WebKit::Platform::current()->databaseGetSpaceAvailableForO rigin(originIdentifier);

66 }

67

68 void QuotaTracker::updateDatabaseSize(

69 const String& originIdentifier, const String& databaseName,

70 unsigned long long databaseSize)

71 {

72 MutexLocker lockData(m_dataGuard);

73 HashMap<String, SizeMap>::iterator it = m_databaseSizes.add(originIdentifier , SizeMap()).iterator;

74 it->value.set(databaseName, databaseSize);

75 }

76

77 void QuotaTracker::updateSpaceAvailableToOrigin(const String& originIdentifier, unsigned long long spaceAvailable)

78 {

79 MutexLocker lockData(m_dataGuard);

80 m_spaceAvailableToOrigins.set(originIdentifier, spaceAvailable);

81 }

82

83 void QuotaTracker::resetSpaceAvailableToOrigin(const String& originIdentifier)

84 {

85 MutexLocker lockData(m_dataGuard);

86 m_spaceAvailableToOrigins.remove(originIdentifier);

87 }

88

89 } // namespace WebCore

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