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// Copyright (c) 2011 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/in_process_webkit/indexed_db_quota_client.h"
#include <vector>
#include "base/file_util.h"
#include "base/message_loop_proxy.h"
#include "content/browser/in_process_webkit/indexed_db_context.h"
#include "net/base/net_util.h"
#include "webkit/database/database_util.h"
using quota::QuotaClient;
using webkit_database::DatabaseUtil;
// Helper tasks ---------------------------------------------------------------
class IndexedDBQuotaClient::HelperTask : public quota::QuotaThreadTask {
protected:
HelperTask(
IndexedDBQuotaClient* client,
base::MessageLoopProxy* webkit_thread_message_loop)
: QuotaThreadTask(client, webkit_thread_message_loop),
client_(client), indexed_db_context_(client->indexed_db_context_) {
}
IndexedDBQuotaClient* client_;
scoped_refptr<IndexedDBContext> indexed_db_context_;
};
class IndexedDBQuotaClient::GetOriginUsageTask : public HelperTask {
public:
GetOriginUsageTask(
IndexedDBQuotaClient* client,
base::MessageLoopProxy* webkit_thread_message_loop,
const GURL& origin_url)
: HelperTask(client, webkit_thread_message_loop),
origin_url_(origin_url), usage_(0) {
}
private:
virtual void RunOnTargetThread() OVERRIDE {
string16 origin_id = DatabaseUtil::GetOriginIdentifier(origin_url_);
FilePath file_path = indexed_db_context_->GetIndexedDBFilePath(origin_id);
usage_ = 0;
usage_ = file_util::ComputeDirectorySize(file_path);
}
virtual void Completed() OVERRIDE {
client_->DidGetOriginUsage(origin_url_, usage_);
}
GURL origin_url_;
int64 usage_;
};
class IndexedDBQuotaClient::GetOriginsTaskBase : public HelperTask {
protected:
GetOriginsTaskBase(
IndexedDBQuotaClient* client,
base::MessageLoopProxy* webkit_thread_message_loop)
: HelperTask(client, webkit_thread_message_loop) {
}
virtual bool ShouldAddOrigin(const GURL& origin) = 0;
virtual void RunOnTargetThread() OVERRIDE {
std::vector<string16> origin_identifiers;
indexed_db_context_->GetAllOriginIdentifiers(&origin_identifiers);
for (std::vector<string16>::const_iterator iter =
origin_identifiers.begin();
iter != origin_identifiers.end(); ++iter) {
GURL origin = DatabaseUtil::GetOriginFromIdentifier(*iter);
if (ShouldAddOrigin(origin))
origins_.insert(origin);
}
}
std::set<GURL> origins_;
};
class IndexedDBQuotaClient::GetAllOriginsTask : public GetOriginsTaskBase {
public:
GetAllOriginsTask(
IndexedDBQuotaClient* client,
base::MessageLoopProxy* webkit_thread_message_loop)
: GetOriginsTaskBase(client, webkit_thread_message_loop) {
}
protected:
virtual bool ShouldAddOrigin(const GURL& origin) OVERRIDE {
return true;
}
virtual void Completed() OVERRIDE {
client_->DidGetAllOrigins(origins_);
}
};
class IndexedDBQuotaClient::GetOriginsForHostTask : public GetOriginsTaskBase {
public:
GetOriginsForHostTask(
IndexedDBQuotaClient* client,
base::MessageLoopProxy* webkit_thread_message_loop,
const std::string& host)
: GetOriginsTaskBase(client, webkit_thread_message_loop),
host_(host) {
}
private:
virtual bool ShouldAddOrigin(const GURL& origin) OVERRIDE {
return host_ == net::GetHostOrSpecFromURL(origin);
}
virtual void Completed() OVERRIDE {
client_->DidGetOriginsForHost(host_, origins_);
}
std::string host_;
};
// IndexedDBQuotaClient --------------------------------------------------------
IndexedDBQuotaClient::IndexedDBQuotaClient(
base::MessageLoopProxy* webkit_thread_message_loop,
IndexedDBContext* indexed_db_context)
: webkit_thread_message_loop_(webkit_thread_message_loop),
indexed_db_context_(indexed_db_context) {
}
IndexedDBQuotaClient::~IndexedDBQuotaClient() {
}
QuotaClient::ID IndexedDBQuotaClient::id() const {
return kIndexedDatabase;
}
void IndexedDBQuotaClient::OnQuotaManagerDestroyed() {
delete this;
}
void IndexedDBQuotaClient::GetOriginUsage(
const GURL& origin_url,
quota::StorageType type,
GetUsageCallback* callback_ptr) {
DCHECK(callback_ptr);
DCHECK(indexed_db_context_.get());
scoped_ptr<GetUsageCallback> callback(callback_ptr);
// IndexedDB is in the temp namespace for now.
if (type != quota::kStorageTypeTemporary) {
callback->Run(0);
return;
}
if (usage_for_origin_callbacks_.Add(origin_url, callback.release())) {
scoped_refptr<GetOriginUsageTask> task(
new GetOriginUsageTask(this, webkit_thread_message_loop_, origin_url));
task->Start();
}
}
void IndexedDBQuotaClient::GetOriginsForType(
quota::StorageType type,
GetOriginsCallback* callback_ptr) {
DCHECK(callback_ptr);
DCHECK(indexed_db_context_.get());
scoped_ptr<GetOriginsCallback> callback(callback_ptr);
// All databases are in the temp namespace for now.
if (type != quota::kStorageTypeTemporary) {
callback->Run(std::set<GURL>());
return;
}
if (origins_for_type_callbacks_.Add(callback.release())) {
scoped_refptr<GetAllOriginsTask> task(
new GetAllOriginsTask(this, webkit_thread_message_loop_));
task->Start();
}
}
void IndexedDBQuotaClient::GetOriginsForHost(
quota::StorageType type,
const std::string& host,
GetOriginsCallback* callback_ptr) {
DCHECK(callback_ptr);
DCHECK(indexed_db_context_.get());
scoped_ptr<GetOriginsCallback> callback(callback_ptr);
// All databases are in the temp namespace for now.
if (type != quota::kStorageTypeTemporary) {
callback->Run(std::set<GURL>());
return;
}
if (origins_for_host_callbacks_.Add(host, callback.release())) {
scoped_refptr<GetOriginsForHostTask> task(
new GetOriginsForHostTask(this, webkit_thread_message_loop_, host));
task->Start();
}
}
void IndexedDBQuotaClient::DeleteOriginData(const GURL& origin,
quota::StorageType type,
DeletionCallback* callback) {
// TODO(tzik): implement me
callback->Run(quota::kQuotaErrorNotSupported);
delete callback;
}
void IndexedDBQuotaClient::DidGetOriginUsage(
const GURL& origin_url, int64 usage) {
DCHECK(usage_for_origin_callbacks_.HasCallbacks(origin_url));
usage_for_origin_callbacks_.Run(origin_url, usage);
}
void IndexedDBQuotaClient::DidGetAllOrigins(const std::set<GURL>& origins) {
DCHECK(origins_for_type_callbacks_.HasCallbacks());
origins_for_type_callbacks_.Run(origins);
}
void IndexedDBQuotaClient::DidGetOriginsForHost(
const std::string& host, const std::set<GURL>& origins) {
DCHECK(origins_for_host_callbacks_.HasCallbacks(host));
origins_for_host_callbacks_.Run(host, origins);
}
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