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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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| 42 #include "public/platform/WebBlobInfo.h" | 42 #include "public/platform/WebBlobInfo.h" |
| 43 #include "public/platform/WebIDBDatabase.h" | 43 #include "public/platform/WebIDBDatabase.h" |
| 44 #include "public/platform/WebIDBKeyRange.h" | 44 #include "public/platform/WebIDBKeyRange.h" |
| 45 #include <limits> | 45 #include <limits> |
| 46 | 46 |
| 47 using blink::WebIDBCursor; | 47 using blink::WebIDBCursor; |
| 48 using blink::WebIDBDatabase; | 48 using blink::WebIDBDatabase; |
| 49 | 49 |
| 50 namespace blink { | 50 namespace blink { |
| 51 | 51 |
| 52 IDBCursor* IDBCursor::create(PassOwnPtr<blink::WebIDBCursor> backend, blink::Web
IDBCursorDirection direction, IDBRequest* request, IDBAny* source, IDBTransactio
n* transaction) | 52 IDBCursor* IDBCursor::create(PassOwnPtr<WebIDBCursor> backend, WebIDBCursorDirec
tion direction, IDBRequest* request, IDBAny* source, IDBTransaction* transaction
) |
| 53 { | 53 { |
| 54 return new IDBCursor(backend, direction, request, source, transaction); | 54 return new IDBCursor(backend, direction, request, source, transaction); |
| 55 } | 55 } |
| 56 | 56 |
| 57 IDBCursor::IDBCursor(PassOwnPtr<blink::WebIDBCursor> backend, blink::WebIDBCurso
rDirection direction, IDBRequest* request, IDBAny* source, IDBTransaction* trans
action) | 57 IDBCursor::IDBCursor(PassOwnPtr<WebIDBCursor> backend, WebIDBCursorDirection dir
ection, IDBRequest* request, IDBAny* source, IDBTransaction* transaction) |
| 58 : m_backend(backend) | 58 : m_backend(backend) |
| 59 , m_request(request) | 59 , m_request(request) |
| 60 , m_direction(direction) | 60 , m_direction(direction) |
| 61 , m_source(source) | 61 , m_source(source) |
| 62 , m_transaction(transaction) | 62 , m_transaction(transaction) |
| 63 , m_gotValue(false) | 63 , m_gotValue(false) |
| 64 , m_keyDirty(true) | 64 , m_keyDirty(true) |
| 65 , m_primaryKeyDirty(true) | 65 , m_primaryKeyDirty(true) |
| 66 , m_valueDirty(true) | 66 , m_valueDirty(true) |
| 67 { | 67 { |
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| 109 if (!m_transaction->isActive()) { | 109 if (!m_transaction->isActive()) { |
| 110 exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::
transactionInactiveErrorMessage); | 110 exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::
transactionInactiveErrorMessage); |
| 111 return 0; | 111 return 0; |
| 112 } | 112 } |
| 113 if (m_transaction->isReadOnly()) { | 113 if (m_transaction->isReadOnly()) { |
| 114 exceptionState.throwDOMException(ReadOnlyError, "The record may not be u
pdated inside a read-only transaction."); | 114 exceptionState.throwDOMException(ReadOnlyError, "The record may not be u
pdated inside a read-only transaction."); |
| 115 return 0; | 115 return 0; |
| 116 } | 116 } |
| 117 | 117 |
| 118 IDBObjectStore* objectStore = effectiveObjectStore(); | 118 IDBObjectStore* objectStore = effectiveObjectStore(); |
| 119 return objectStore->put(scriptState, blink::WebIDBPutModeCursorUpdate, IDBAn
y::create(this), value, m_primaryKey, exceptionState); | 119 return objectStore->put(scriptState, WebIDBPutModeCursorUpdate, IDBAny::crea
te(this), value, m_primaryKey, exceptionState); |
| 120 } | 120 } |
| 121 | 121 |
| 122 void IDBCursor::advance(unsigned long count, ExceptionState& exceptionState) | 122 void IDBCursor::advance(unsigned long count, ExceptionState& exceptionState) |
| 123 { | 123 { |
| 124 IDB_TRACE("IDBCursor::advance"); | 124 IDB_TRACE("IDBCursor::advance"); |
| 125 if (!count) { | 125 if (!count) { |
| 126 exceptionState.throwTypeError("A count argument with value 0 (zero) was
supplied, must be greater than 0."); | 126 exceptionState.throwTypeError("A count argument with value 0 (zero) was
supplied, must be greater than 0."); |
| 127 return; | 127 return; |
| 128 } | 128 } |
| 129 if (!m_gotValue) { | 129 if (!m_gotValue) { |
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| 190 return; | 190 return; |
| 191 } | 191 } |
| 192 | 192 |
| 193 if (isDeleted()) { | 193 if (isDeleted()) { |
| 194 exceptionState.throwDOMException(InvalidStateError, IDBDatabase::sourceD
eletedErrorMessage); | 194 exceptionState.throwDOMException(InvalidStateError, IDBDatabase::sourceD
eletedErrorMessage); |
| 195 return; | 195 return; |
| 196 } | 196 } |
| 197 | 197 |
| 198 if (key) { | 198 if (key) { |
| 199 ASSERT(m_key); | 199 ASSERT(m_key); |
| 200 if (m_direction == blink::WebIDBCursorDirectionNext || m_direction == bl
ink::WebIDBCursorDirectionNextNoDuplicate) { | 200 if (m_direction == WebIDBCursorDirectionNext || m_direction == WebIDBCur
sorDirectionNextNoDuplicate) { |
| 201 const bool ok = m_key->isLessThan(key) | 201 const bool ok = m_key->isLessThan(key) |
| 202 || (primaryKey && m_key->isEqual(key) && m_primaryKey->isLessTha
n(primaryKey)); | 202 || (primaryKey && m_key->isEqual(key) && m_primaryKey->isLessTha
n(primaryKey)); |
| 203 if (!ok) { | 203 if (!ok) { |
| 204 exceptionState.throwDOMException(DataError, "The parameter is le
ss than or equal to this cursor's position."); | 204 exceptionState.throwDOMException(DataError, "The parameter is le
ss than or equal to this cursor's position."); |
| 205 return; | 205 return; |
| 206 } | 206 } |
| 207 | 207 |
| 208 } else { | 208 } else { |
| 209 const bool ok = key->isLessThan(m_key.get()) | 209 const bool ok = key->isLessThan(m_key.get()) |
| 210 || (primaryKey && key->isEqual(m_key.get()) && primaryKey->isLes
sThan(m_primaryKey.get())); | 210 || (primaryKey && key->isEqual(m_key.get()) && primaryKey->isLes
sThan(m_primaryKey.get())); |
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| 308 ScriptValue scriptValue = idbAnyToScriptValue(scriptState, value); | 308 ScriptValue scriptValue = idbAnyToScriptValue(scriptState, value); |
| 309 handleBlobAcks(); | 309 handleBlobAcks(); |
| 310 return scriptValue; | 310 return scriptValue; |
| 311 } | 311 } |
| 312 | 312 |
| 313 ScriptValue IDBCursor::source(ScriptState* scriptState) const | 313 ScriptValue IDBCursor::source(ScriptState* scriptState) const |
| 314 { | 314 { |
| 315 return idbAnyToScriptValue(scriptState, m_source); | 315 return idbAnyToScriptValue(scriptState, m_source); |
| 316 } | 316 } |
| 317 | 317 |
| 318 void IDBCursor::setValueReady(IDBKey* key, IDBKey* primaryKey, PassRefPtr<Shared
Buffer> value, PassOwnPtr<Vector<blink::WebBlobInfo> > blobInfo) | 318 void IDBCursor::setValueReady(IDBKey* key, IDBKey* primaryKey, PassRefPtr<Shared
Buffer> value, PassOwnPtr<Vector<WebBlobInfo> > blobInfo) |
| 319 { | 319 { |
| 320 m_key = key; | 320 m_key = key; |
| 321 m_keyDirty = true; | 321 m_keyDirty = true; |
| 322 | 322 |
| 323 m_primaryKey = primaryKey; | 323 m_primaryKey = primaryKey; |
| 324 m_primaryKeyDirty = true; | 324 m_primaryKeyDirty = true; |
| 325 | 325 |
| 326 if (isCursorWithValue()) { | 326 if (isCursorWithValue()) { |
| 327 m_value = value; | 327 m_value = value; |
| 328 handleBlobAcks(); | 328 handleBlobAcks(); |
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| 350 void IDBCursor::handleBlobAcks() | 350 void IDBCursor::handleBlobAcks() |
| 351 { | 351 { |
| 352 ASSERT(m_request || !m_blobInfo || !m_blobInfo->size()); | 352 ASSERT(m_request || !m_blobInfo || !m_blobInfo->size()); |
| 353 if (m_blobInfo.get() && m_blobInfo->size()) { | 353 if (m_blobInfo.get() && m_blobInfo->size()) { |
| 354 ASSERT(m_request); | 354 ASSERT(m_request); |
| 355 m_transaction->db()->ackReceivedBlobs(m_blobInfo.get()); | 355 m_transaction->db()->ackReceivedBlobs(m_blobInfo.get()); |
| 356 m_blobInfo.clear(); | 356 m_blobInfo.clear(); |
| 357 } | 357 } |
| 358 } | 358 } |
| 359 | 359 |
| 360 blink::WebIDBCursorDirection IDBCursor::stringToDirection(const String& directio
nString, ExceptionState& exceptionState) | 360 WebIDBCursorDirection IDBCursor::stringToDirection(const String& directionString
, ExceptionState& exceptionState) |
| 361 { | 361 { |
| 362 if (directionString == IndexedDBNames::next) | 362 if (directionString == IndexedDBNames::next) |
| 363 return blink::WebIDBCursorDirectionNext; | 363 return WebIDBCursorDirectionNext; |
| 364 if (directionString == IndexedDBNames::nextunique) | 364 if (directionString == IndexedDBNames::nextunique) |
| 365 return blink::WebIDBCursorDirectionNextNoDuplicate; | 365 return WebIDBCursorDirectionNextNoDuplicate; |
| 366 if (directionString == IndexedDBNames::prev) | 366 if (directionString == IndexedDBNames::prev) |
| 367 return blink::WebIDBCursorDirectionPrev; | 367 return WebIDBCursorDirectionPrev; |
| 368 if (directionString == IndexedDBNames::prevunique) | 368 if (directionString == IndexedDBNames::prevunique) |
| 369 return blink::WebIDBCursorDirectionPrevNoDuplicate; | 369 return WebIDBCursorDirectionPrevNoDuplicate; |
| 370 | 370 |
| 371 exceptionState.throwTypeError("The direction provided ('" + directionString
+ "') is not one of 'next', 'nextunique', 'prev', or 'prevunique'."); | 371 exceptionState.throwTypeError("The direction provided ('" + directionString
+ "') is not one of 'next', 'nextunique', 'prev', or 'prevunique'."); |
| 372 return blink::WebIDBCursorDirectionNext; | 372 return WebIDBCursorDirectionNext; |
| 373 } | 373 } |
| 374 | 374 |
| 375 const String& IDBCursor::direction() const | 375 const String& IDBCursor::direction() const |
| 376 { | 376 { |
| 377 switch (m_direction) { | 377 switch (m_direction) { |
| 378 case blink::WebIDBCursorDirectionNext: | 378 case WebIDBCursorDirectionNext: |
| 379 return IndexedDBNames::next; | 379 return IndexedDBNames::next; |
| 380 | 380 |
| 381 case blink::WebIDBCursorDirectionNextNoDuplicate: | 381 case WebIDBCursorDirectionNextNoDuplicate: |
| 382 return IndexedDBNames::nextunique; | 382 return IndexedDBNames::nextunique; |
| 383 | 383 |
| 384 case blink::WebIDBCursorDirectionPrev: | 384 case WebIDBCursorDirectionPrev: |
| 385 return IndexedDBNames::prev; | 385 return IndexedDBNames::prev; |
| 386 | 386 |
| 387 case blink::WebIDBCursorDirectionPrevNoDuplicate: | 387 case WebIDBCursorDirectionPrevNoDuplicate: |
| 388 return IndexedDBNames::prevunique; | 388 return IndexedDBNames::prevunique; |
| 389 | 389 |
| 390 default: | 390 default: |
| 391 ASSERT_NOT_REACHED(); | 391 ASSERT_NOT_REACHED(); |
| 392 return IndexedDBNames::next; | 392 return IndexedDBNames::next; |
| 393 } | 393 } |
| 394 } | 394 } |
| 395 | 395 |
| 396 } // namespace blink | 396 } // namespace blink |
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