Port IndexedDB open() and database callbacks to Mojo.

content/browser/indexed_db/indexed_db_callbacks.cc

 // Copyright (c) 2012 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/browser/indexed_db/indexed_db_callbacks.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
 
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/fileapi/fileapi_message_filter.h"
 #include "content/browser/indexed_db/indexed_db_blob_info.h"
 #include "content/browser/indexed_db/indexed_db_connection.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/browser/indexed_db/indexed_db_cursor.h"
 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
-#include "content/browser/indexed_db/indexed_db_database_error.h"
 #include "content/browser/indexed_db/indexed_db_metadata.h"
 #include "content/browser/indexed_db/indexed_db_return_value.h"
 #include "content/browser/indexed_db/indexed_db_tracing.h"
 #include "content/browser/indexed_db/indexed_db_value.h"
 #include "content/common/indexed_db/indexed_db_constants.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
 #include "storage/browser/blob/blob_storage_context.h"
 #include "storage/browser/blob/shareable_file_reference.h"
 #include "storage/browser/quota/quota_manager.h"
 
 using storage::ShareableFileReference;
 
 namespace content {
 
 namespace {
 const int32_t kNoCursor = -1;
-const int32_t kNoDatabaseCallbacks = -1;
 const int64_t kNoTransaction = -1;
 }
 
 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
                                        int32_t ipc_thread_id,
                                        int32_t ipc_callbacks_id)
     : dispatcher_host_(dispatcher_host),
       ipc_callbacks_id_(ipc_callbacks_id),
       ipc_thread_id_(ipc_thread_id),
       ipc_cursor_id_(kNoCursor),
       host_transaction_id_(kNoTransaction),
       ipc_database_id_(kNoDatabase),
-      ipc_database_callbacks_id_(kNoDatabaseCallbacks),
       data_loss_(blink::WebIDBDataLossNone),
       sent_blocked_(false) {}
 
 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
                                        int32_t ipc_thread_id,
                                        int32_t ipc_callbacks_id,
                                        int32_t ipc_cursor_id)
     : dispatcher_host_(dispatcher_host),
       ipc_callbacks_id_(ipc_callbacks_id),
       ipc_thread_id_(ipc_thread_id),
       ipc_cursor_id_(ipc_cursor_id),
       host_transaction_id_(kNoTransaction),
       ipc_database_id_(kNoDatabase),
-      ipc_database_callbacks_id_(kNoDatabaseCallbacks),
       data_loss_(blink::WebIDBDataLossNone),
       sent_blocked_(false) {}
 
 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
                                        int32_t ipc_thread_id,
                                        int32_t ipc_callbacks_id,
-                                       int32_t ipc_database_callbacks_id,
                                        int64_t host_transaction_id,
                                        const url::Origin& origin)
     : dispatcher_host_(dispatcher_host),
       ipc_callbacks_id_(ipc_callbacks_id),
       ipc_thread_id_(ipc_thread_id),
       ipc_cursor_id_(kNoCursor),
       host_transaction_id_(host_transaction_id),
       origin_(origin),
       ipc_database_id_(kNoDatabase),
-      ipc_database_callbacks_id_(ipc_database_callbacks_id),
       data_loss_(blink::WebIDBDataLossNone),
       sent_blocked_(false) {}
 
 IndexedDBCallbacks::~IndexedDBCallbacks() {}
 
 void IndexedDBCallbacks::OnError(const IndexedDBDatabaseError& error) {
   DCHECK(dispatcher_host_.get());
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksError(
       ipc_thread_id_, ipc_callbacks_id_, error.code(), error.message()));
   dispatcher_host_ = NULL;
 
   if (!connection_open_start_time_.is_null()) {
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "WebCore.IndexedDB.OpenTime.Error",
         base::TimeTicks::Now() - connection_open_start_time_);
     connection_open_start_time_ = base::TimeTicks();
   }
 }
 
 void IndexedDBCallbacks::OnSuccess(const std::vector<base::string16>& value) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   std::vector<base::string16> list;
   for (unsigned i = 0; i < value.size(); ++i)
     list.push_back(value[i]);
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessStringList(
       ipc_thread_id_, ipc_callbacks_id_, list));
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::OnBlocked(int64_t existing_version) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
-  // No transaction/db callbacks for DeleteDatabase.
-  DCHECK_EQ(kNoTransaction == host_transaction_id_,
-            kNoDatabaseCallbacks == ipc_database_callbacks_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 
   if (sent_blocked_)
     return;
 
   sent_blocked_ = true;
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksIntBlocked(
       ipc_thread_id_, ipc_callbacks_id_, existing_version));
 
   if (!connection_open_start_time_.is_null()) {
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "WebCore.IndexedDB.OpenTime.Blocked",
         base::TimeTicks::Now() - connection_open_start_time_);
     connection_open_start_time_ = base::TimeTicks();
   }
 }
 
 void IndexedDBCallbacks::OnUpgradeNeeded(
     int64_t old_version,
     std::unique_ptr<IndexedDBConnection> connection,
     const IndexedDBDatabaseMetadata& metadata,
     const IndexedDBDataLossInfo& data_loss_info) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_NE(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 
   data_loss_ = data_loss_info.status;
   dispatcher_host_->RegisterTransactionId(host_transaction_id_, origin_);
   int32_t ipc_database_id =
       dispatcher_host_->Add(connection.release(), ipc_thread_id_, origin_);
   if (ipc_database_id < 0)
     return;
   ipc_database_id_ = ipc_database_id;
   IndexedDBMsg_CallbacksUpgradeNeeded_Params params;
   params.ipc_thread_id = ipc_thread_id_;
   params.ipc_callbacks_id = ipc_callbacks_id_;
   params.ipc_database_id = ipc_database_id;
-  params.ipc_database_callbacks_id = ipc_database_callbacks_id_;
   params.old_version = old_version;
   params.idb_metadata = IndexedDBDispatcherHost::ConvertMetadata(metadata);
   params.data_loss = data_loss_info.status;
   params.data_loss_message = data_loss_info.message;
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksUpgradeNeeded(params));
 
   if (!connection_open_start_time_.is_null()) {
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "WebCore.IndexedDB.OpenTime.UpgradeNeeded",
         base::TimeTicks::Now() - connection_open_start_time_);
     connection_open_start_time_ = base::TimeTicks();
   }
 }
 
 void IndexedDBCallbacks::OnSuccess(
     std::unique_ptr<IndexedDBConnection> connection,
     const IndexedDBDatabaseMetadata& metadata) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_NE(kNoTransaction, host_transaction_id_);
   DCHECK_NE(ipc_database_id_ == kNoDatabase, !connection);
-  DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 
   scoped_refptr<IndexedDBCallbacks> self(this);
 
   int32_t ipc_object_id = kNoDatabase;
   // Only register if the connection was not previously sent in OnUpgradeNeeded.
   if (ipc_database_id_ == kNoDatabase) {
     ipc_object_id =
         dispatcher_host_->Add(connection.release(), ipc_thread_id_, origin_);
   }
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIDBDatabase(
       ipc_thread_id_,
       ipc_callbacks_id_,
-      ipc_database_callbacks_id_,
       ipc_object_id,
       IndexedDBDispatcherHost::ConvertMetadata(metadata)));
   dispatcher_host_ = NULL;
 
   if (!connection_open_start_time_.is_null()) {
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "WebCore.IndexedDB.OpenTime.Success",
         base::TimeTicks::Now() - connection_open_start_time_);
     connection_open_start_time_ = base::TimeTicks();
   }
@@ skipping 116 matching lines @@
 
 void IndexedDBCallbacks::OnSuccess(scoped_refptr<IndexedDBCursor> cursor,
                                    const IndexedDBKey& key,
                                    const IndexedDBKey& primary_key,
                                    IndexedDBValue* value) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   int32_t ipc_object_id = dispatcher_host_->Add(cursor.get());
   std::unique_ptr<IndexedDBMsg_CallbacksSuccessIDBCursor_Params> params(
       new IndexedDBMsg_CallbacksSuccessIDBCursor_Params());
   params->ipc_thread_id = ipc_thread_id_;
   params->ipc_callbacks_id = ipc_callbacks_id_;
   params->ipc_cursor_id = ipc_object_id;
   params->key = key;
   params->primary_key = primary_key;
@@ skipping 18 matching lines @@
 }
 
 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& key,
                                    const IndexedDBKey& primary_key,
                                    IndexedDBValue* value) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_NE(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   IndexedDBCursor* idb_cursor =
       dispatcher_host_->GetCursorFromId(ipc_cursor_id_);
 
   DCHECK(idb_cursor);
   if (!idb_cursor)
     return;
 
   std::unique_ptr<IndexedDBMsg_CallbacksSuccessCursorContinue_Params> params(
@@ skipping 30 matching lines @@
     const std::vector<IndexedDBKey>& primary_keys,
     std::vector<IndexedDBValue>* values) {
   DCHECK_EQ(keys.size(), primary_keys.size());
   DCHECK_EQ(keys.size(), values->size());
 
   DCHECK(dispatcher_host_.get());
 
   DCHECK_NE(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   std::vector<IndexedDBKey> msg_keys;
   std::vector<IndexedDBKey> msg_primary_keys;
 
   for (size_t i = 0; i < keys.size(); ++i) {
     msg_keys.push_back(keys[i]);
     msg_primary_keys.push_back(primary_keys[i]);
   }
 
@@ skipping 37 matching lines @@
 void IndexedDBCallbacks::OnSuccess(IndexedDBReturnValue* value) {
   DCHECK(dispatcher_host_.get());
 
   if (value && value->primary_key.IsValid()) {
     DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   } else {
     DCHECK(kNoCursor == ipc_cursor_id_ || value == NULL);
   }
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   std::unique_ptr<IndexedDBMsg_CallbacksSuccessValue_Params> params(
       new IndexedDBMsg_CallbacksSuccessValue_Params());
   params->ipc_thread_id = ipc_thread_id_;
   params->ipc_callbacks_id = ipc_callbacks_id_;
   if (value && value->primary_key.IsValid()) {
     params->value.primary_key = value->primary_key;
     params->value.key_path = value->key_path;
   }
@@ skipping 15 matching lines @@
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::OnSuccessArray(
     std::vector<IndexedDBReturnValue>* values,
     const IndexedDBKeyPath& key_path) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   std::unique_ptr<IndexedDBMsg_CallbacksSuccessArray_Params> params(
       new IndexedDBMsg_CallbacksSuccessArray_Params());
   params->ipc_thread_id = ipc_thread_id_;
   params->ipc_callbacks_id = ipc_callbacks_id_;
   params->values.resize(values->size());
 
   bool found_blob_info = false;
   for (size_t i = 0; i < values->size(); ++i) {
@@ skipping 23 matching lines @@
   }
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& value) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIndexedDBKey(
       ipc_thread_id_, ipc_callbacks_id_, value));
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::OnSuccess(int64_t value) {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessInteger(
       ipc_thread_id_, ipc_callbacks_id_, value));
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::OnSuccess() {
   DCHECK(dispatcher_host_.get());
 
   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
   DCHECK_EQ(kNoTransaction, host_transaction_id_);
   DCHECK_EQ(kNoDatabase, ipc_database_id_);
-  DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 
   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessUndefined(
       ipc_thread_id_, ipc_callbacks_id_));
   dispatcher_host_ = NULL;
 }
 
 void IndexedDBCallbacks::SetConnectionOpenStartTime(
     const base::TimeTicks& start_time) {
   connection_open_start_time_ = start_time;
 }
 
 }  // namespace content