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Unified Diff: webkit/browser/fileapi/quota/quota_backend_impl.cc

Issue 539143002: Migrate webkit/browser/ to storage/browser/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 3 months ago
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Index: webkit/browser/fileapi/quota/quota_backend_impl.cc
diff --git a/webkit/browser/fileapi/quota/quota_backend_impl.cc b/webkit/browser/fileapi/quota/quota_backend_impl.cc
deleted file mode 100644
index deb100eecf38328e8609659cd179f0c1263a119b..0000000000000000000000000000000000000000
--- a/webkit/browser/fileapi/quota/quota_backend_impl.cc
+++ /dev/null
@@ -1,172 +0,0 @@
-// 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 "webkit/browser/fileapi/quota/quota_backend_impl.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/sequenced_task_runner.h"
-#include "webkit/browser/fileapi/file_system_usage_cache.h"
-#include "webkit/browser/quota/quota_client.h"
-#include "webkit/browser/quota/quota_manager_proxy.h"
-#include "webkit/common/fileapi/file_system_util.h"
-
-namespace storage {
-
-QuotaBackendImpl::QuotaBackendImpl(
- base::SequencedTaskRunner* file_task_runner,
- ObfuscatedFileUtil* obfuscated_file_util,
- FileSystemUsageCache* file_system_usage_cache,
- storage::QuotaManagerProxy* quota_manager_proxy)
- : file_task_runner_(file_task_runner),
- obfuscated_file_util_(obfuscated_file_util),
- file_system_usage_cache_(file_system_usage_cache),
- quota_manager_proxy_(quota_manager_proxy),
- weak_ptr_factory_(this) {
-}
-
-QuotaBackendImpl::~QuotaBackendImpl() {
-}
-
-void QuotaBackendImpl::ReserveQuota(const GURL& origin,
- FileSystemType type,
- int64 delta,
- const ReserveQuotaCallback& callback) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- if (!delta) {
- callback.Run(base::File::FILE_OK, 0);
- return;
- }
- DCHECK(quota_manager_proxy_.get());
- quota_manager_proxy_->GetUsageAndQuota(
- file_task_runner_.get(),
- origin,
- FileSystemTypeToQuotaStorageType(type),
- base::Bind(&QuotaBackendImpl::DidGetUsageAndQuotaForReserveQuota,
- weak_ptr_factory_.GetWeakPtr(),
- QuotaReservationInfo(origin, type, delta),
- callback));
-}
-
-void QuotaBackendImpl::ReleaseReservedQuota(const GURL& origin,
- FileSystemType type,
- int64 size) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- DCHECK_LE(0, size);
- if (!size)
- return;
- ReserveQuotaInternal(QuotaReservationInfo(origin, type, -size));
-}
-
-void QuotaBackendImpl::CommitQuotaUsage(const GURL& origin,
- FileSystemType type,
- int64 delta) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- if (!delta)
- return;
- ReserveQuotaInternal(QuotaReservationInfo(origin, type, delta));
- base::FilePath path;
- if (GetUsageCachePath(origin, type, &path) != base::File::FILE_OK)
- return;
- bool result = file_system_usage_cache_->AtomicUpdateUsageByDelta(path, delta);
- DCHECK(result);
-}
-
-void QuotaBackendImpl::IncrementDirtyCount(const GURL& origin,
- FileSystemType type) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- base::FilePath path;
- if (GetUsageCachePath(origin, type, &path) != base::File::FILE_OK)
- return;
- DCHECK(file_system_usage_cache_);
- file_system_usage_cache_->IncrementDirty(path);
-}
-
-void QuotaBackendImpl::DecrementDirtyCount(const GURL& origin,
- FileSystemType type) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- base::FilePath path;
- if (GetUsageCachePath(origin, type, &path) != base::File::FILE_OK)
- return;
- DCHECK(file_system_usage_cache_);
- file_system_usage_cache_->DecrementDirty(path);
-}
-
-void QuotaBackendImpl::DidGetUsageAndQuotaForReserveQuota(
- const QuotaReservationInfo& info,
- const ReserveQuotaCallback& callback,
- storage::QuotaStatusCode status,
- int64 usage,
- int64 quota) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(info.origin.is_valid());
- DCHECK_LE(0, usage);
- DCHECK_LE(0, quota);
- if (status != storage::kQuotaStatusOk) {
- callback.Run(base::File::FILE_ERROR_FAILED, 0);
- return;
- }
-
- QuotaReservationInfo normalized_info = info;
- if (info.delta > 0) {
- int64 new_usage =
- base::saturated_cast<int64>(usage + static_cast<uint64>(info.delta));
- if (quota < new_usage)
- new_usage = quota;
- normalized_info.delta = std::max(static_cast<int64>(0), new_usage - usage);
- }
-
- ReserveQuotaInternal(normalized_info);
- if (callback.Run(base::File::FILE_OK, normalized_info.delta))
- return;
- // The requester could not accept the reserved quota. Revert it.
- ReserveQuotaInternal(
- QuotaReservationInfo(normalized_info.origin,
- normalized_info.type,
- -normalized_info.delta));
-}
-
-void QuotaBackendImpl::ReserveQuotaInternal(const QuotaReservationInfo& info) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(info.origin.is_valid());
- DCHECK(quota_manager_proxy_.get());
- quota_manager_proxy_->NotifyStorageModified(
- storage::QuotaClient::kFileSystem,
- info.origin,
- FileSystemTypeToQuotaStorageType(info.type),
- info.delta);
-}
-
-base::File::Error QuotaBackendImpl::GetUsageCachePath(
- const GURL& origin,
- FileSystemType type,
- base::FilePath* usage_file_path) {
- DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
- DCHECK(origin.is_valid());
- DCHECK(usage_file_path);
- base::File::Error error = base::File::FILE_OK;
- *usage_file_path =
- SandboxFileSystemBackendDelegate::GetUsageCachePathForOriginAndType(
- obfuscated_file_util_, origin, type, &error);
- return error;
-}
-
-QuotaBackendImpl::QuotaReservationInfo::QuotaReservationInfo(
- const GURL& origin, FileSystemType type, int64 delta)
- : origin(origin), type(type), delta(delta) {
-}
-
-QuotaBackendImpl::QuotaReservationInfo::~QuotaReservationInfo() {
-}
-
-} // namespace storage

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