blob: 4ba030a8e27ffb06967795f8fff53263bb3ac452 [file] [log] [blame]
// Copyright 2013 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.
#include "content/child/indexed_db/indexed_db_dispatcher.h"
#include "base/format_macros.h"
#include "base/lazy_instance.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_local.h"
#include "content/child/indexed_db/indexed_db_key_builders.h"
#include "content/child/indexed_db/proxy_webidbcursor_impl.h"
#include "content/child/indexed_db/proxy_webidbdatabase_impl.h"
#include "content/child/thread_safe_sender.h"
#include "content/common/indexed_db/indexed_db_messages.h"
#include "ipc/ipc_channel.h"
#include "third_party/WebKit/public/platform/WebIDBDatabaseCallbacks.h"
#include "third_party/WebKit/public/platform/WebIDBDatabaseError.h"
#include "third_party/WebKit/public/platform/WebIDBDatabaseException.h"
using WebKit::WebData;
using WebKit::WebIDBCallbacks;
using WebKit::WebIDBDatabase;
using WebKit::WebIDBDatabaseCallbacks;
using WebKit::WebIDBDatabaseError;
using WebKit::WebIDBKey;
using WebKit::WebIDBMetadata;
using WebKit::WebString;
using WebKit::WebVector;
using base::ThreadLocalPointer;
using webkit_glue::WorkerTaskRunner;
namespace content {
static base::LazyInstance<ThreadLocalPointer<IndexedDBDispatcher> >::Leaky
g_idb_dispatcher_tls = LAZY_INSTANCE_INITIALIZER;
namespace {
IndexedDBDispatcher* const kHasBeenDeleted =
reinterpret_cast<IndexedDBDispatcher*>(0x1);
int32 CurrentWorkerId() {
return WorkerTaskRunner::Instance()->CurrentWorkerId();
}
} // unnamed namespace
const size_t kMaxIDBValueSizeInBytes = 64 * 1024 * 1024;
IndexedDBDispatcher::IndexedDBDispatcher(ThreadSafeSender* thread_safe_sender)
: thread_safe_sender_(thread_safe_sender) {
g_idb_dispatcher_tls.Pointer()->Set(this);
}
IndexedDBDispatcher::~IndexedDBDispatcher() {
// Clear any pending callbacks - which may result in dispatch requests -
// before marking the dispatcher as deleted.
pending_callbacks_.Clear();
pending_database_callbacks_.Clear();
DCHECK(pending_callbacks_.IsEmpty());
DCHECK(pending_database_callbacks_.IsEmpty());
g_idb_dispatcher_tls.Pointer()->Set(kHasBeenDeleted);
}
IndexedDBDispatcher* IndexedDBDispatcher::ThreadSpecificInstance(
ThreadSafeSender* thread_safe_sender) {
if (g_idb_dispatcher_tls.Pointer()->Get() == kHasBeenDeleted) {
NOTREACHED() << "Re-instantiating TLS IndexedDBDispatcher.";
g_idb_dispatcher_tls.Pointer()->Set(NULL);
}
if (g_idb_dispatcher_tls.Pointer()->Get())
return g_idb_dispatcher_tls.Pointer()->Get();
IndexedDBDispatcher* dispatcher = new IndexedDBDispatcher(thread_safe_sender);
if (WorkerTaskRunner::Instance()->CurrentWorkerId())
webkit_glue::WorkerTaskRunner::Instance()->AddStopObserver(dispatcher);
return dispatcher;
}
void IndexedDBDispatcher::OnWorkerRunLoopStopped() { delete this; }
WebIDBMetadata IndexedDBDispatcher::ConvertMetadata(
const IndexedDBDatabaseMetadata& idb_metadata) {
WebIDBMetadata web_metadata;
web_metadata.id = idb_metadata.id;
web_metadata.name = idb_metadata.name;
web_metadata.version = idb_metadata.version;
web_metadata.intVersion = idb_metadata.int_version;
web_metadata.maxObjectStoreId = idb_metadata.max_object_store_id;
web_metadata.objectStores =
WebVector<WebIDBMetadata::ObjectStore>(idb_metadata.object_stores.size());
for (size_t i = 0; i < idb_metadata.object_stores.size(); ++i) {
const IndexedDBObjectStoreMetadata& idb_store_metadata =
idb_metadata.object_stores[i];
WebIDBMetadata::ObjectStore& web_store_metadata =
web_metadata.objectStores[i];
web_store_metadata.id = idb_store_metadata.id;
web_store_metadata.name = idb_store_metadata.name;
web_store_metadata.keyPath =
WebIDBKeyPathBuilder::Build(idb_store_metadata.keyPath);
web_store_metadata.autoIncrement = idb_store_metadata.autoIncrement;
web_store_metadata.maxIndexId = idb_store_metadata.max_index_id;
web_store_metadata.indexes =
WebVector<WebIDBMetadata::Index>(idb_store_metadata.indexes.size());
for (size_t j = 0; j < idb_store_metadata.indexes.size(); ++j) {
const IndexedDBIndexMetadata& idb_index_metadata =
idb_store_metadata.indexes[j];
WebIDBMetadata::Index& web_index_metadata = web_store_metadata.indexes[j];
web_index_metadata.id = idb_index_metadata.id;
web_index_metadata.name = idb_index_metadata.name;
web_index_metadata.keyPath =
WebIDBKeyPathBuilder::Build(idb_index_metadata.keyPath);
web_index_metadata.unique = idb_index_metadata.unique;
web_index_metadata.multiEntry = idb_index_metadata.multiEntry;
}
}
return web_metadata;
}
void IndexedDBDispatcher::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(IndexedDBDispatcher, msg)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessIDBCursor,
OnSuccessOpenCursor)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessCursorAdvance,
OnSuccessCursorContinue)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessCursorContinue,
OnSuccessCursorContinue)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessCursorPrefetch,
OnSuccessCursorPrefetch)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessIDBDatabase,
OnSuccessIDBDatabase)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessIndexedDBKey,
OnSuccessIndexedDBKey)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessStringList,
OnSuccessStringList)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessValue, OnSuccessValue)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessValueWithKey,
OnSuccessValueWithKey)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessInteger, OnSuccessInteger)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessUndefined,
OnSuccessUndefined)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksError, OnError)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksIntBlocked, OnIntBlocked)
IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksUpgradeNeeded, OnUpgradeNeeded)
IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksForcedClose,
OnForcedClose)
IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksIntVersionChange,
OnIntVersionChange)
IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksAbort, OnAbort)
IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksComplete, OnComplete)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
// If a message gets here, IndexedDBMessageFilter already determined that it
// is an IndexedDB message.
DCHECK(handled) << "Didn't handle a message defined at line "
<< IPC_MESSAGE_ID_LINE(msg.type());
}
bool IndexedDBDispatcher::Send(IPC::Message* msg) {
return thread_safe_sender_->Send(msg);
}
void IndexedDBDispatcher::RequestIDBCursorAdvance(
unsigned long count,
WebIDBCallbacks* callbacks_ptr,
int32 ipc_cursor_id) {
// Reset all cursor prefetch caches except for this cursor.
ResetCursorPrefetchCaches(ipc_cursor_id);
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
int32 ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
Send(new IndexedDBHostMsg_CursorAdvance(
ipc_cursor_id, CurrentWorkerId(), ipc_callbacks_id, count));
}
void IndexedDBDispatcher::RequestIDBCursorContinue(
const IndexedDBKey& key,
WebIDBCallbacks* callbacks_ptr,
int32 ipc_cursor_id) {
// Reset all cursor prefetch caches except for this cursor.
ResetCursorPrefetchCaches(ipc_cursor_id);
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
int32 ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
Send(new IndexedDBHostMsg_CursorContinue(
ipc_cursor_id, CurrentWorkerId(), ipc_callbacks_id, key));
}
void IndexedDBDispatcher::RequestIDBCursorPrefetch(
int n,
WebIDBCallbacks* callbacks_ptr,
int32 ipc_cursor_id) {
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
int32 ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
Send(new IndexedDBHostMsg_CursorPrefetch(
ipc_cursor_id, CurrentWorkerId(), ipc_callbacks_id, n));
}
void IndexedDBDispatcher::RequestIDBCursorPrefetchReset(int used_prefetches,
int unused_prefetches,
int32 ipc_cursor_id) {
Send(new IndexedDBHostMsg_CursorPrefetchReset(
ipc_cursor_id, used_prefetches, unused_prefetches));
}
void IndexedDBDispatcher::RequestIDBFactoryOpen(
const string16& name,
int64 version,
int64 transaction_id,
WebIDBCallbacks* callbacks_ptr,
WebIDBDatabaseCallbacks* database_callbacks_ptr,
const std::string& database_identifier) {
ResetCursorPrefetchCaches();
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
scoped_ptr<WebIDBDatabaseCallbacks> database_callbacks(
database_callbacks_ptr);
IndexedDBHostMsg_FactoryOpen_Params params;
params.ipc_thread_id = CurrentWorkerId();
params.ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
params.ipc_database_callbacks_id =
pending_database_callbacks_.Add(database_callbacks.release());
params.database_identifier = database_identifier;
params.name = name;
params.transaction_id = transaction_id;
params.version = version;
Send(new IndexedDBHostMsg_FactoryOpen(params));
}
void IndexedDBDispatcher::RequestIDBFactoryGetDatabaseNames(
WebIDBCallbacks* callbacks_ptr,
const std::string& database_identifier) {
ResetCursorPrefetchCaches();
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
IndexedDBHostMsg_FactoryGetDatabaseNames_Params params;
params.ipc_thread_id = CurrentWorkerId();
params.ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
params.database_identifier = database_identifier;
Send(new IndexedDBHostMsg_FactoryGetDatabaseNames(params));
}
void IndexedDBDispatcher::RequestIDBFactoryDeleteDatabase(
const string16& name,
WebIDBCallbacks* callbacks_ptr,
const std::string& database_identifier) {
ResetCursorPrefetchCaches();
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
IndexedDBHostMsg_FactoryDeleteDatabase_Params params;
params.ipc_thread_id = CurrentWorkerId();
params.ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
params.database_identifier = database_identifier;
params.name = name;
Send(new IndexedDBHostMsg_FactoryDeleteDatabase(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseClose(
int32 ipc_database_id,
int32 ipc_database_callbacks_id) {
ResetCursorPrefetchCaches();
Send(new IndexedDBHostMsg_DatabaseClose(ipc_database_id));
// There won't be pending database callbacks if the transaction was aborted in
// the initial upgradeneeded event handler.
if (pending_database_callbacks_.Lookup(ipc_database_callbacks_id))
pending_database_callbacks_.Remove(ipc_database_callbacks_id);
}
void IndexedDBDispatcher::RequestIDBDatabaseCreateTransaction(
int32 ipc_database_id,
int64 transaction_id,
WebIDBDatabaseCallbacks* database_callbacks_ptr,
WebVector<long long> object_store_ids,
unsigned short mode) {
scoped_ptr<WebIDBDatabaseCallbacks> database_callbacks(
database_callbacks_ptr);
IndexedDBHostMsg_DatabaseCreateTransaction_Params params;
params.ipc_thread_id = CurrentWorkerId();
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.ipc_database_callbacks_id =
pending_database_callbacks_.Add(database_callbacks.release());
params.object_store_ids
.assign(object_store_ids.data(),
object_store_ids.data() + object_store_ids.size());
params.mode = mode;
Send(new IndexedDBHostMsg_DatabaseCreateTransaction(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseGet(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
int64 index_id,
const IndexedDBKeyRange& key_range,
bool key_only,
WebIDBCallbacks* callbacks) {
ResetCursorPrefetchCaches();
IndexedDBHostMsg_DatabaseGet_Params params;
init_params(params, callbacks);
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.object_store_id = object_store_id;
params.index_id = index_id;
params.key_range = key_range;
params.key_only = key_only;
Send(new IndexedDBHostMsg_DatabaseGet(params));
}
void IndexedDBDispatcher::RequestIDBDatabasePut(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
const WebData& value,
const IndexedDBKey& key,
WebIDBDatabase::PutMode put_mode,
WebIDBCallbacks* callbacks,
const WebVector<long long>& index_ids,
const WebVector<WebVector<WebIDBKey> >& index_keys) {
if (value.size() > kMaxIDBValueSizeInBytes) {
callbacks->onError(WebIDBDatabaseError(
WebKit::WebIDBDatabaseExceptionUnknownError,
WebString::fromUTF8(base::StringPrintf(
"The serialized value is too large"
" (size=%" PRIuS " bytes, max=%" PRIuS " bytes).",
value.size(),
kMaxIDBValueSizeInBytes).c_str())));
return;
}
ResetCursorPrefetchCaches();
IndexedDBHostMsg_DatabasePut_Params params;
init_params(params, callbacks);
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.object_store_id = object_store_id;
params.value.assign(value.data(), value.data() + value.size());
params.key = key;
params.put_mode = put_mode;
COMPILE_ASSERT(sizeof(params.index_ids[0]) == sizeof(index_ids[0]),
Cant_copy);
params.index_ids
.assign(index_ids.data(), index_ids.data() + index_ids.size());
params.index_keys.resize(index_keys.size());
for (size_t i = 0; i < index_keys.size(); ++i) {
params.index_keys[i].resize(index_keys[i].size());
for (size_t j = 0; j < index_keys[i].size(); ++j) {
params.index_keys[i][j] =
IndexedDBKey(IndexedDBKeyBuilder::Build(index_keys[i][j]));
}
}
Send(new IndexedDBHostMsg_DatabasePut(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseOpenCursor(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
int64 index_id,
const IndexedDBKeyRange& key_range,
unsigned short direction,
bool key_only,
WebIDBDatabase::TaskType task_type,
WebIDBCallbacks* callbacks) {
ResetCursorPrefetchCaches();
IndexedDBHostMsg_DatabaseOpenCursor_Params params;
init_params(params, callbacks);
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.object_store_id = object_store_id;
params.index_id = index_id;
params.key_range = key_range;
params.direction = direction;
params.key_only = key_only;
params.task_type = task_type;
Send(new IndexedDBHostMsg_DatabaseOpenCursor(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseCount(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
int64 index_id,
const IndexedDBKeyRange& key_range,
WebIDBCallbacks* callbacks) {
ResetCursorPrefetchCaches();
IndexedDBHostMsg_DatabaseCount_Params params;
init_params(params, callbacks);
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.object_store_id = object_store_id;
params.index_id = index_id;
params.key_range = key_range;
Send(new IndexedDBHostMsg_DatabaseCount(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseDeleteRange(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
const IndexedDBKeyRange& key_range,
WebIDBCallbacks* callbacks) {
ResetCursorPrefetchCaches();
IndexedDBHostMsg_DatabaseDeleteRange_Params params;
init_params(params, callbacks);
params.ipc_database_id = ipc_database_id;
params.transaction_id = transaction_id;
params.object_store_id = object_store_id;
params.key_range = key_range;
Send(new IndexedDBHostMsg_DatabaseDeleteRange(params));
}
void IndexedDBDispatcher::RequestIDBDatabaseClear(
int32 ipc_database_id,
int64 transaction_id,
int64 object_store_id,
WebIDBCallbacks* callbacks_ptr) {
scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
int32 ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
Send(new IndexedDBHostMsg_DatabaseClear(CurrentWorkerId(),
ipc_callbacks_id,
ipc_database_id,
transaction_id,
object_store_id));
}
void IndexedDBDispatcher::CursorDestroyed(int32 ipc_cursor_id) {
cursors_.erase(ipc_cursor_id);
}
void IndexedDBDispatcher::DatabaseDestroyed(int32 ipc_database_id) {
DCHECK_EQ(databases_.count(ipc_database_id), 1u);
databases_.erase(ipc_database_id);
}
void IndexedDBDispatcher::OnSuccessIDBDatabase(
int32 ipc_thread_id,
int32 ipc_callbacks_id,
int32 ipc_database_callbacks_id,
int32 ipc_object_id,
const IndexedDBDatabaseMetadata& idb_metadata) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
WebIDBMetadata metadata(ConvertMetadata(idb_metadata));
// If an upgrade was performed, count will be non-zero.
if (!databases_.count(ipc_object_id))
databases_[ipc_object_id] = new RendererWebIDBDatabaseImpl(
ipc_object_id, ipc_database_callbacks_id, thread_safe_sender_.get());
DCHECK_EQ(databases_.count(ipc_object_id), 1u);
callbacks->onSuccess(databases_[ipc_object_id], metadata);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessIndexedDBKey(int32 ipc_thread_id,
int32 ipc_callbacks_id,
const IndexedDBKey& key) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
callbacks->onSuccess(WebIDBKeyBuilder::Build(key));
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessStringList(
int32 ipc_thread_id,
int32 ipc_callbacks_id,
const std::vector<string16>& value) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
callbacks->onSuccess(WebVector<WebString>(value));
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessValue(int32 ipc_thread_id,
int32 ipc_callbacks_id,
const std::string& value) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
WebData web_value;
if (value.size())
web_value.assign(&*value.begin(), value.size());
callbacks->onSuccess(web_value);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessValueWithKey(
int32 ipc_thread_id,
int32 ipc_callbacks_id,
const std::string& value,
const IndexedDBKey& primary_key,
const IndexedDBKeyPath& key_path) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
WebData web_value;
if (value.size())
web_value.assign(&*value.begin(), value.size());
callbacks->onSuccess(web_value,
WebIDBKeyBuilder::Build(primary_key),
WebIDBKeyPathBuilder::Build(key_path));
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessInteger(int32 ipc_thread_id,
int32 ipc_callbacks_id,
int64 value) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
callbacks->onSuccess(value);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessUndefined(int32 ipc_thread_id,
int32 ipc_callbacks_id) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
callbacks->onSuccess();
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessOpenCursor(
const IndexedDBMsg_CallbacksSuccessIDBCursor_Params& p) {
DCHECK_EQ(p.ipc_thread_id, CurrentWorkerId());
int32 ipc_callbacks_id = p.ipc_callbacks_id;
int32 ipc_object_id = p.ipc_cursor_id;
const IndexedDBKey& key = p.key;
const IndexedDBKey& primary_key = p.primary_key;
WebData web_value;
if (p.value.size())
web_value.assign(&*p.value.begin(), p.value.size());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
RendererWebIDBCursorImpl* cursor =
new RendererWebIDBCursorImpl(ipc_object_id, thread_safe_sender_.get());
cursors_[ipc_object_id] = cursor;
callbacks->onSuccess(cursor, WebIDBKeyBuilder::Build(key),
WebIDBKeyBuilder::Build(primary_key), web_value);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessCursorContinue(
const IndexedDBMsg_CallbacksSuccessCursorContinue_Params& p) {
DCHECK_EQ(p.ipc_thread_id, CurrentWorkerId());
int32 ipc_callbacks_id = p.ipc_callbacks_id;
int32 ipc_cursor_id = p.ipc_cursor_id;
const IndexedDBKey& key = p.key;
const IndexedDBKey& primary_key = p.primary_key;
const std::string& value = p.value;
RendererWebIDBCursorImpl* cursor = cursors_[ipc_cursor_id];
DCHECK(cursor);
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
WebData web_value;
if (value.size())
web_value.assign(&*value.begin(), value.size());
callbacks->onSuccess(WebIDBKeyBuilder::Build(key),
WebIDBKeyBuilder::Build(primary_key), web_value);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnSuccessCursorPrefetch(
const IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params& p) {
DCHECK_EQ(p.ipc_thread_id, CurrentWorkerId());
int32 ipc_callbacks_id = p.ipc_callbacks_id;
int32 ipc_cursor_id = p.ipc_cursor_id;
const std::vector<IndexedDBKey>& keys = p.keys;
const std::vector<IndexedDBKey>& primary_keys = p.primary_keys;
std::vector<WebData> values(p.values.size());
for (size_t i = 0; i < p.values.size(); ++i) {
if (p.values[i].size())
values[i].assign(&*p.values[i].begin(), p.values[i].size());
}
RendererWebIDBCursorImpl* cursor = cursors_[ipc_cursor_id];
DCHECK(cursor);
cursor->SetPrefetchData(keys, primary_keys, values);
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
DCHECK(callbacks);
cursor->CachedContinue(callbacks);
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnIntBlocked(int32 ipc_thread_id,
int32 ipc_callbacks_id,
int64 existing_version) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
DCHECK(callbacks);
callbacks->onBlocked(existing_version);
}
void IndexedDBDispatcher::OnUpgradeNeeded(
const IndexedDBMsg_CallbacksUpgradeNeeded_Params& p) {
DCHECK_EQ(p.ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(p.ipc_callbacks_id);
DCHECK(callbacks);
WebIDBMetadata metadata(ConvertMetadata(p.idb_metadata));
DCHECK(!databases_.count(p.ipc_database_id));
databases_[p.ipc_database_id] =
new RendererWebIDBDatabaseImpl(p.ipc_database_id,
p.ipc_database_callbacks_id,
thread_safe_sender_.get());
callbacks->onUpgradeNeeded(
p.old_version,
databases_[p.ipc_database_id],
metadata,
static_cast<WebIDBCallbacks::DataLoss>(p.data_loss),
WebString::fromUTF8(p.data_loss_message));
}
void IndexedDBDispatcher::OnError(int32 ipc_thread_id,
int32 ipc_callbacks_id,
int code,
const string16& message) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBCallbacks* callbacks = pending_callbacks_.Lookup(ipc_callbacks_id);
if (!callbacks)
return;
if (message.empty())
callbacks->onError(WebIDBDatabaseError(code));
else
callbacks->onError(WebIDBDatabaseError(code, message));
pending_callbacks_.Remove(ipc_callbacks_id);
}
void IndexedDBDispatcher::OnAbort(int32 ipc_thread_id,
int32 ipc_database_callbacks_id,
int64 transaction_id,
int code,
const string16& message) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBDatabaseCallbacks* callbacks =
pending_database_callbacks_.Lookup(ipc_database_callbacks_id);
if (!callbacks)
return;
if (message.empty())
callbacks->onAbort(transaction_id, WebIDBDatabaseError(code));
else
callbacks->onAbort(transaction_id, WebIDBDatabaseError(code, message));
}
void IndexedDBDispatcher::OnComplete(int32 ipc_thread_id,
int32 ipc_database_callbacks_id,
int64 transaction_id) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBDatabaseCallbacks* callbacks =
pending_database_callbacks_.Lookup(ipc_database_callbacks_id);
if (!callbacks)
return;
callbacks->onComplete(transaction_id);
}
void IndexedDBDispatcher::OnForcedClose(int32 ipc_thread_id,
int32 ipc_database_callbacks_id) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBDatabaseCallbacks* callbacks =
pending_database_callbacks_.Lookup(ipc_database_callbacks_id);
if (!callbacks)
return;
callbacks->onForcedClose();
}
void IndexedDBDispatcher::OnIntVersionChange(int32 ipc_thread_id,
int32 ipc_database_callbacks_id,
int64 old_version,
int64 new_version) {
DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
WebIDBDatabaseCallbacks* callbacks =
pending_database_callbacks_.Lookup(ipc_database_callbacks_id);
// callbacks would be NULL if a versionchange event is received after close
// has been called.
if (!callbacks)
return;
callbacks->onVersionChange(old_version, new_version);
}
void IndexedDBDispatcher::ResetCursorPrefetchCaches(
int32 ipc_exception_cursor_id) {
typedef std::map<int32, RendererWebIDBCursorImpl*>::iterator Iterator;
for (Iterator i = cursors_.begin(); i != cursors_.end(); ++i) {
if (i->first == ipc_exception_cursor_id)
continue;
i->second->ResetPrefetchCache();
}
}
} // namespace content