IndexedDB: Added IDBObjectStore.getAll() implementation.

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 <algorithm>
 
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 267 matching lines @@
   for (size_t i = 0; i < values.size(); ++i) {
     if (!CreateAllBlobs(values[i].blob_info,
                         &params->values[i].blob_or_file_info, dispatcher_host))
       return;
   }
 
   dispatcher_host->Send(
       new IndexedDBMsg_CallbacksSuccessCursorPrefetch(*params));
 }
 
+static void BlobLookupForGetAll(
+    IndexedDBMsg_CallbacksSuccessArray_Params* params,
+    scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
+    const std::vector<IndexedDBReturnValue>& values) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  DCHECK_EQ(values.size(), params->values.size());
+
+  for (size_t i = 0; i < values.size(); ++i) {
+    if (!CreateAllBlobs(values[i].blob_info,
+                        &params->values.at(i).blob_or_file_info,

[jsbell, 2015/04/28 00:06:53]

Why at() rather than [] ?

[cmumford, 2015/04/29 23:17:46]

I usually only use at() when it's a pointer. I prefer values->at(i) instead
(*values)[i] - it's just easier for me to read. However, in this case, I'm not
sure that member was ever a pointer.

+                        dispatcher_host))
+      return;
+  }
+
+  dispatcher_host->Send(new IndexedDBMsg_CallbacksSuccessArray(*params));
+}
+
 static void FillInBlobData(
     const std::vector<IndexedDBBlobInfo>& blob_info,
     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info) {
   for (const auto& iter : blob_info) {
     if (iter.is_file()) {
       IndexedDBMsg_BlobOrFileInfo info;
       info.is_file = true;
       info.mime_type = iter.type();
       info.file_name = iter.file_name();
       info.file_path = iter.file_path().AsUTF16Unsafe();
@@ skipping 199 matching lines @@
         value->blob_info,
         base::Bind(CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessValue_Params,
                                       IndexedDBMsg_CallbacksSuccessValue>,
                    base::Owned(params.release()), dispatcher_host_,
                    value->blob_info,
                    base::Unretained(&p->value.blob_or_file_info)));
   }
   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_);
+
+  scoped_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) {
+    IndexedDBMsg_ReturnValue& pvalue = params->values[i];
+    IndexedDBReturnValue& value = (*values)[i];
+    pvalue.bits.swap(value.bits);
+    if (!value.blob_info.empty()) {
+      found_blob_info = true;
+      FillInBlobData(value.blob_info, &pvalue.blob_or_file_info);
+      for (const auto& blob_info : value.blob_info) {
+        if (!blob_info.mark_used_callback().is_null())
+          blob_info.mark_used_callback().Run();
+      }
+    }
+    pvalue.primary_key = value.primary_key;
+    pvalue.key_path = key_path;
+  }
+
+  if (found_blob_info) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(BlobLookupForGetAll, base::Owned(params.release()),
+                   dispatcher_host_, *values));
+  } else {
+    dispatcher_host_->Send(
+        new IndexedDBMsg_CallbacksSuccessArray(*params.get()));
+  }
+  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(
@@ skipping 28 matching lines @@
       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