309 lines
9.9 KiB
C++
309 lines
9.9 KiB
C++
// 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 "libcef/browser_dom_storage_system.h"
|
|
#include "libcef/cef_context.h"
|
|
#include "libcef/cef_thread.h"
|
|
|
|
#include "base/auto_reset.h"
|
|
#include "base/path_service.h"
|
|
#include "googleurl/src/gurl.h"
|
|
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
|
|
#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
|
|
#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageEventDispatcher.h"
|
|
#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageNamespace.h"
|
|
#include "webkit/database/database_util.h"
|
|
#include "webkit/dom_storage/dom_storage_area.h"
|
|
#include "webkit/dom_storage/dom_storage_host.h"
|
|
#include "webkit/dom_storage/dom_storage_task_runner.h"
|
|
|
|
using dom_storage::DomStorageContext;
|
|
using dom_storage::DomStorageHost;
|
|
using dom_storage::DomStorageSession;
|
|
using dom_storage::DomStorageWorkerPoolTaskRunner;
|
|
using webkit_database::DatabaseUtil;
|
|
using WebKit::WebStorageArea;
|
|
using WebKit::WebStorageNamespace;
|
|
using WebKit::WebStorageEventDispatcher;
|
|
using WebKit::WebString;
|
|
using WebKit::WebURL;
|
|
|
|
namespace {
|
|
const int kInvalidNamespaceId = -1;
|
|
}
|
|
|
|
class BrowserDomStorageSystem::NamespaceImpl : public WebStorageNamespace {
|
|
public:
|
|
explicit NamespaceImpl(const base::WeakPtr<BrowserDomStorageSystem>& parent);
|
|
NamespaceImpl(const base::WeakPtr<BrowserDomStorageSystem>& parent,
|
|
int session_namespace_id);
|
|
virtual ~NamespaceImpl();
|
|
virtual WebStorageArea* createStorageArea(const WebString& origin) OVERRIDE;
|
|
virtual WebStorageNamespace* copy() OVERRIDE;
|
|
virtual bool isSameNamespace(const WebStorageNamespace&) const OVERRIDE;
|
|
|
|
private:
|
|
DomStorageContext* Context() {
|
|
if (!parent_.get())
|
|
return NULL;
|
|
return parent_->context_.get();
|
|
}
|
|
|
|
base::WeakPtr<BrowserDomStorageSystem> parent_;
|
|
int namespace_id_;
|
|
};
|
|
|
|
class BrowserDomStorageSystem::AreaImpl : public WebStorageArea {
|
|
public:
|
|
AreaImpl(const base::WeakPtr<BrowserDomStorageSystem>& parent,
|
|
int namespace_id, const GURL& origin);
|
|
virtual ~AreaImpl();
|
|
virtual unsigned length() OVERRIDE;
|
|
virtual WebString key(unsigned index) OVERRIDE;
|
|
virtual WebString getItem(const WebString& key) OVERRIDE;
|
|
virtual void setItem(const WebString& key, const WebString& newValue,
|
|
const WebURL& pageUrl, Result&) OVERRIDE;
|
|
virtual void removeItem(const WebString& key,
|
|
const WebURL& pageUrl) OVERRIDE;
|
|
virtual void clear(const WebURL& pageUrl) OVERRIDE;
|
|
|
|
private:
|
|
DomStorageHost* Host() {
|
|
if (!parent_.get())
|
|
return NULL;
|
|
return parent_->host_.get();
|
|
}
|
|
|
|
base::WeakPtr<BrowserDomStorageSystem> parent_;
|
|
int connection_id_;
|
|
};
|
|
|
|
// NamespaceImpl -----------------------------
|
|
|
|
BrowserDomStorageSystem::NamespaceImpl::NamespaceImpl(
|
|
const base::WeakPtr<BrowserDomStorageSystem>& parent)
|
|
: parent_(parent),
|
|
namespace_id_(dom_storage::kLocalStorageNamespaceId) {
|
|
}
|
|
|
|
BrowserDomStorageSystem::NamespaceImpl::NamespaceImpl(
|
|
const base::WeakPtr<BrowserDomStorageSystem>& parent,
|
|
int session_namespace_id)
|
|
: parent_(parent),
|
|
namespace_id_(session_namespace_id) {
|
|
}
|
|
|
|
BrowserDomStorageSystem::NamespaceImpl::~NamespaceImpl() {
|
|
if (namespace_id_ == dom_storage::kLocalStorageNamespaceId ||
|
|
namespace_id_ == kInvalidNamespaceId || !Context()) {
|
|
return;
|
|
}
|
|
Context()->DeleteSessionNamespace(namespace_id_, false);
|
|
}
|
|
|
|
WebStorageArea* BrowserDomStorageSystem::NamespaceImpl::createStorageArea(
|
|
const WebString& origin) {
|
|
return new AreaImpl(parent_, namespace_id_, GURL(origin));
|
|
}
|
|
|
|
WebStorageNamespace* BrowserDomStorageSystem::NamespaceImpl::copy() {
|
|
DCHECK_NE(dom_storage::kLocalStorageNamespaceId, namespace_id_);
|
|
int new_id = kInvalidNamespaceId;
|
|
if (Context()) {
|
|
new_id = Context()->AllocateSessionId();
|
|
Context()->CloneSessionNamespace(namespace_id_, new_id, std::string());
|
|
}
|
|
return new NamespaceImpl(parent_, new_id);
|
|
}
|
|
|
|
bool BrowserDomStorageSystem::NamespaceImpl::isSameNamespace(
|
|
const WebStorageNamespace& other) const {
|
|
const NamespaceImpl* other_impl = static_cast<const NamespaceImpl*>(&other);
|
|
return namespace_id_ == other_impl->namespace_id_;
|
|
}
|
|
|
|
// AreaImpl -----------------------------
|
|
|
|
BrowserDomStorageSystem::AreaImpl::AreaImpl(
|
|
const base::WeakPtr<BrowserDomStorageSystem>& parent,
|
|
int namespace_id, const GURL& origin)
|
|
: parent_(parent),
|
|
connection_id_(0) {
|
|
if (Host()) {
|
|
connection_id_ = (parent_->next_connection_id_)++;
|
|
Host()->OpenStorageArea(connection_id_, namespace_id, origin);
|
|
}
|
|
}
|
|
|
|
BrowserDomStorageSystem::AreaImpl::~AreaImpl() {
|
|
if (Host())
|
|
Host()->CloseStorageArea(connection_id_);
|
|
}
|
|
|
|
unsigned BrowserDomStorageSystem::AreaImpl::length() {
|
|
if (Host())
|
|
return Host()->GetAreaLength(connection_id_);
|
|
return 0;
|
|
}
|
|
|
|
WebString BrowserDomStorageSystem::AreaImpl::key(unsigned index) {
|
|
if (Host())
|
|
return Host()->GetAreaKey(connection_id_, index);
|
|
return NullableString16(true);
|
|
}
|
|
|
|
WebString BrowserDomStorageSystem::AreaImpl::getItem(const WebString& key) {
|
|
if (Host())
|
|
return Host()->GetAreaItem(connection_id_, key);
|
|
return NullableString16(true);
|
|
}
|
|
|
|
void BrowserDomStorageSystem::AreaImpl::setItem(
|
|
const WebString& key, const WebString& newValue,
|
|
const WebURL& pageUrl, Result& result) {
|
|
result = ResultBlockedByQuota;
|
|
if (!Host())
|
|
return;
|
|
|
|
AutoReset<AreaImpl*> auto_reset(&parent_->area_being_processed_, this);
|
|
NullableString16 unused;
|
|
if (!Host()->SetAreaItem(connection_id_, key, newValue, pageUrl,
|
|
&unused))
|
|
return;
|
|
|
|
result = ResultOK;
|
|
}
|
|
|
|
void BrowserDomStorageSystem::AreaImpl::removeItem(
|
|
const WebString& key, const WebURL& pageUrl) {
|
|
if (!Host())
|
|
return;
|
|
|
|
AutoReset<AreaImpl*> auto_reset(&parent_->area_being_processed_, this);
|
|
string16 notused;
|
|
Host()->RemoveAreaItem(connection_id_, key, pageUrl, ¬used);
|
|
}
|
|
|
|
void BrowserDomStorageSystem::AreaImpl::clear(const WebURL& pageUrl) {
|
|
if (!Host())
|
|
return;
|
|
|
|
AutoReset<AreaImpl*> auto_reset(&parent_->area_being_processed_, this);
|
|
Host()->ClearArea(connection_id_, pageUrl);
|
|
}
|
|
|
|
// BrowserDomStorageSystem -----------------------------
|
|
|
|
BrowserDomStorageSystem* BrowserDomStorageSystem::g_instance_;
|
|
|
|
BrowserDomStorageSystem::BrowserDomStorageSystem()
|
|
: weak_factory_(this),
|
|
area_being_processed_(NULL),
|
|
next_connection_id_(1) {
|
|
FilePath local_storage_path;
|
|
FilePath cache_path(_Context->cache_path());
|
|
if (!cache_path.empty()) {
|
|
local_storage_path = cache_path.Append(FILE_PATH_LITERAL("Local Storage"));
|
|
if (!file_util::PathExists(local_storage_path) &&
|
|
!file_util::CreateDirectory(local_storage_path)) {
|
|
LOG(WARNING) << "Failed to create Local Storage directory";
|
|
local_storage_path.clear();
|
|
}
|
|
}
|
|
|
|
base::SequencedWorkerPool* worker_pool = _Context->blocking_pool();
|
|
|
|
context_ = new DomStorageContext(local_storage_path, FilePath(), NULL,
|
|
new DomStorageWorkerPoolTaskRunner(
|
|
worker_pool,
|
|
worker_pool->GetNamedSequenceToken("dom_storage_primary"),
|
|
worker_pool->GetNamedSequenceToken("dom_storage_commit"),
|
|
CefThread::GetMessageLoopProxyForThread(CefThread::FILE)));
|
|
|
|
host_.reset(new DomStorageHost(context_));
|
|
|
|
DCHECK(!g_instance_);
|
|
g_instance_ = this;
|
|
context_->AddEventObserver(this);
|
|
}
|
|
|
|
BrowserDomStorageSystem::~BrowserDomStorageSystem() {
|
|
g_instance_ = NULL;
|
|
host_.reset();
|
|
context_->RemoveEventObserver(this);
|
|
}
|
|
|
|
WebStorageNamespace* BrowserDomStorageSystem::CreateLocalStorageNamespace() {
|
|
return new NamespaceImpl(weak_factory_.GetWeakPtr());
|
|
}
|
|
|
|
WebStorageNamespace* BrowserDomStorageSystem::CreateSessionStorageNamespace() {
|
|
int id = context_->AllocateSessionId();
|
|
context_->CreateSessionNamespace(id, std::string());
|
|
return new NamespaceImpl(weak_factory_.GetWeakPtr(), id);
|
|
}
|
|
|
|
void BrowserDomStorageSystem::OnDomStorageItemSet(
|
|
const dom_storage::DomStorageArea* area,
|
|
const string16& key,
|
|
const string16& new_value,
|
|
const NullableString16& old_value,
|
|
const GURL& page_url) {
|
|
DispatchDomStorageEvent(area, page_url,
|
|
NullableString16(key, false),
|
|
NullableString16(new_value, false),
|
|
old_value);
|
|
}
|
|
|
|
void BrowserDomStorageSystem::OnDomStorageItemRemoved(
|
|
const dom_storage::DomStorageArea* area,
|
|
const string16& key,
|
|
const string16& old_value,
|
|
const GURL& page_url) {
|
|
DispatchDomStorageEvent(area, page_url,
|
|
NullableString16(key, false),
|
|
NullableString16(true),
|
|
NullableString16(old_value, false));
|
|
}
|
|
|
|
void BrowserDomStorageSystem::OnDomStorageAreaCleared(
|
|
const dom_storage::DomStorageArea* area,
|
|
const GURL& page_url) {
|
|
DispatchDomStorageEvent(area, page_url,
|
|
NullableString16(true),
|
|
NullableString16(true),
|
|
NullableString16(true));
|
|
}
|
|
|
|
void BrowserDomStorageSystem::DispatchDomStorageEvent(
|
|
const dom_storage::DomStorageArea* area,
|
|
const GURL& page_url,
|
|
const NullableString16& key,
|
|
const NullableString16& new_value,
|
|
const NullableString16& old_value) {
|
|
DCHECK(area_being_processed_);
|
|
if (area->namespace_id() == dom_storage::kLocalStorageNamespaceId) {
|
|
WebStorageEventDispatcher::dispatchLocalStorageEvent(
|
|
key,
|
|
old_value,
|
|
new_value,
|
|
area->origin(),
|
|
page_url,
|
|
area_being_processed_,
|
|
true /* originatedInProcess */);
|
|
} else {
|
|
NamespaceImpl session_namespace_for_event_dispatch(
|
|
base::WeakPtr<BrowserDomStorageSystem>(), area->namespace_id());
|
|
WebStorageEventDispatcher::dispatchSessionStorageEvent(
|
|
key,
|
|
old_value,
|
|
new_value,
|
|
area->origin(),
|
|
page_url,
|
|
session_namespace_for_event_dispatch,
|
|
area_being_processed_,
|
|
true /* originatedInProcess */);
|
|
}
|
|
}
|