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// 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 "chrome/browser/chrome_quota_permission_context.h"
#include <string>
#include "base/bind.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/infobars/infobar_tab_helper.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_details.h"
#include "googleurl/src/gurl.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "net/base/net_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "webkit/quota/quota_types.h"
using content::BrowserThread;
using content::QuotaPermissionContext;
using content::WebContents;
namespace {
// If we requested larger quota than this threshold, show a different
// message to the user.
const int64 kRequestLargeQuotaThreshold = 5 * 1024 * 1024;
class RequestQuotaInfoBarDelegate : public ConfirmInfoBarDelegate {
public:
typedef QuotaPermissionContext::PermissionCallback PermissionCallback;
RequestQuotaInfoBarDelegate(
InfoBarTabHelper* infobar_helper,
ChromeQuotaPermissionContext* context,
const GURL& origin_url,
int64 requested_quota,
const std::string& display_languages,
const PermissionCallback& callback)
: ConfirmInfoBarDelegate(infobar_helper),
context_(context),
origin_url_(origin_url),
display_languages_(display_languages),
requested_quota_(requested_quota),
callback_(callback) {}
private:
virtual ~RequestQuotaInfoBarDelegate() {
if (!callback_.is_null())
context_->DispatchCallbackOnIOThread(
callback_,
QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
}
virtual bool ShouldExpire(
const content::LoadCommittedDetails& details)
const OVERRIDE {
return false;
}
virtual string16 GetMessageText() const OVERRIDE;
virtual void InfoBarDismissed() OVERRIDE;
virtual bool Accept() OVERRIDE;
virtual bool Cancel() OVERRIDE;
scoped_refptr<ChromeQuotaPermissionContext> context_;
GURL origin_url_;
std::string display_languages_;
int64 requested_quota_;
PermissionCallback callback_;
DISALLOW_COPY_AND_ASSIGN(RequestQuotaInfoBarDelegate);
};
void RequestQuotaInfoBarDelegate::InfoBarDismissed() {
context_->DispatchCallbackOnIOThread(
callback_,
QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
}
string16 RequestQuotaInfoBarDelegate::GetMessageText() const {
return l10n_util::GetStringFUTF16(
(requested_quota_ > kRequestLargeQuotaThreshold ?
IDS_REQUEST_LARGE_QUOTA_INFOBAR_QUESTION :
IDS_REQUEST_QUOTA_INFOBAR_QUESTION),
net::FormatUrl(origin_url_, display_languages_));
}
bool RequestQuotaInfoBarDelegate::Accept() {
context_->DispatchCallbackOnIOThread(
callback_,
QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_ALLOW);
return true;
}
bool RequestQuotaInfoBarDelegate::Cancel() {
context_->DispatchCallbackOnIOThread(
callback_,
QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
return true;
}
} // anonymous namespace
ChromeQuotaPermissionContext::ChromeQuotaPermissionContext() {}
void ChromeQuotaPermissionContext::RequestQuotaPermission(
const GURL& origin_url,
quota::StorageType type,
int64 requested_quota,
int render_process_id,
int render_view_id,
const PermissionCallback& callback) {
if (type != quota::kStorageTypePersistent) {
// For now we only support requesting quota with this interface
// for Persistent storage type.
callback.Run(QUOTA_PERMISSION_RESPONSE_DISALLOW);
return;
}
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&ChromeQuotaPermissionContext::RequestQuotaPermission, this,
origin_url, type, requested_quota, render_process_id,
render_view_id, callback));
return;
}
WebContents* web_contents =
tab_util::GetWebContentsByID(render_process_id, render_view_id);
if (!web_contents) {
// The tab may have gone away or the request may not be from a tab.
LOG(WARNING) << "Attempt to request quota tabless renderer: "
<< render_process_id << "," << render_view_id;
DispatchCallbackOnIOThread(callback, QUOTA_PERMISSION_RESPONSE_CANCELLED);
return;
}
TabContentsWrapper* wrapper =
TabContentsWrapper::GetCurrentWrapperForContents(web_contents);
InfoBarTabHelper* infobar_helper = wrapper->infobar_tab_helper();
infobar_helper->AddInfoBar(new RequestQuotaInfoBarDelegate(
infobar_helper, this, origin_url, requested_quota,
wrapper->profile()->GetPrefs()->GetString(prefs::kAcceptLanguages),
callback));
}
void ChromeQuotaPermissionContext::DispatchCallbackOnIOThread(
const PermissionCallback& callback,
QuotaPermissionResponse response) {
DCHECK_EQ(false, callback.is_null());
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&ChromeQuotaPermissionContext::DispatchCallbackOnIOThread,
this, callback, response));
return;
}
callback.Run(response);
}
ChromeQuotaPermissionContext::~ChromeQuotaPermissionContext() {}
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