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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/pepper_broker_observer.h"
#include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
#include "chrome/browser/content_settings/host_content_settings_map.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/ui/tab_contents/tab_contents.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/referrer.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "net/base/net_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "webkit/plugins/npapi/plugin_group.h"
#include "webkit/plugins/npapi/plugin_list.h"
#include "webkit/plugins/webplugininfo.h"
using content::OpenURLParams;
using content::Referrer;
using content::WebContents;
namespace {
// The URL for the "learn more" article about the PPAPI broker.
const char kPpapiBrokerLearnMoreUrl[] =
"https://support.google.com/chrome/?p=ib_pepper_broker";
class PepperBrokerInfoBarDelegate : public ConfirmInfoBarDelegate {
public:
static void Show(
content::WebContents* web_contents,
const GURL& url,
const FilePath& plugin_path,
const base::Callback<void(bool)>& callback);
PepperBrokerInfoBarDelegate(
InfoBarTabHelper* helper,
const GURL& url,
const FilePath& plugin_path,
const std::string& languages,
HostContentSettingsMap* content_settings,
const base::Callback<void(bool)>& callback);
virtual ~PepperBrokerInfoBarDelegate();
// ConfirmInfoBarDelegate:
virtual string16 GetMessageText() const OVERRIDE;
virtual int GetButtons() const OVERRIDE;
virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
virtual bool Accept() OVERRIDE;
virtual bool Cancel() OVERRIDE;
virtual string16 GetLinkText() const OVERRIDE;
virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
virtual gfx::Image* GetIcon() const OVERRIDE;
private:
const GURL url_;
const FilePath plugin_path_;
const std::string languages_;
HostContentSettingsMap* content_settings_;
base::Callback<void(bool)> callback_;
DISALLOW_COPY_AND_ASSIGN(PepperBrokerInfoBarDelegate);
};
PepperBrokerInfoBarDelegate::PepperBrokerInfoBarDelegate(
InfoBarTabHelper* helper,
const GURL& url,
const FilePath& plugin_path,
const std::string& languages,
HostContentSettingsMap* content_settings,
const base::Callback<void(bool)>& callback)
: ConfirmInfoBarDelegate(helper),
url_(url),
plugin_path_(plugin_path),
languages_(languages),
content_settings_(content_settings),
callback_(callback) {
}
PepperBrokerInfoBarDelegate::~PepperBrokerInfoBarDelegate() {
if (!callback_.is_null())
callback_.Run(false);
}
string16 PepperBrokerInfoBarDelegate::GetMessageText() const {
content::PluginService* plugin_service =
content::PluginService::GetInstance();
webkit::WebPluginInfo plugin;
bool success = plugin_service->GetPluginInfoByPath(plugin_path_, &plugin);
DCHECK(success);
scoped_ptr<webkit::npapi::PluginGroup> plugin_group(
plugin_service->GetPluginList()->GetPluginGroup(plugin));
return l10n_util::GetStringFUTF16(IDS_PEPPER_BROKER_MESSAGE,
plugin_group->GetGroupName(),
net::FormatUrl(url_.GetOrigin(),
languages_));
}
int PepperBrokerInfoBarDelegate::GetButtons() const {
return BUTTON_OK | BUTTON_CANCEL;
}
string16 PepperBrokerInfoBarDelegate::GetButtonLabel(
InfoBarButton button) const {
switch (button) {
case BUTTON_OK:
return l10n_util::GetStringUTF16(IDS_PEPPER_BROKER_ALLOW_BUTTON);
case BUTTON_CANCEL:
return l10n_util::GetStringUTF16(IDS_PEPPER_BROKER_DENY_BUTTON);
default:
NOTREACHED();
return string16();
}
}
bool PepperBrokerInfoBarDelegate::Accept() {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow"));
callback_.Run(true);
callback_ = base::Callback<void(bool)>();
content_settings_->SetContentSetting(
ContentSettingsPattern::FromURLNoWildcard(url_),
ContentSettingsPattern::Wildcard(),
CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
std::string(), CONTENT_SETTING_ALLOW);
return true;
}
bool PepperBrokerInfoBarDelegate::Cancel() {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
callback_.Run(false);
callback_ = base::Callback<void(bool)>();
return true;
}
string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
}
bool PepperBrokerInfoBarDelegate::LinkClicked(
WindowOpenDisposition disposition) {
OpenURLParams params(
GURL(kPpapiBrokerLearnMoreUrl), Referrer(),
(disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
content::PAGE_TRANSITION_LINK,
false);
owner()->GetWebContents()->OpenURL(params);
return false;
}
gfx::Image* PepperBrokerInfoBarDelegate::GetIcon() const {
return &ResourceBundle::GetSharedInstance().GetNativeImageNamed(
IDR_INFOBAR_PLUGIN_INSTALL);
}
} // namespace
PepperBrokerObserver::PepperBrokerObserver(WebContents* web_contents)
: WebContentsObserver(web_contents) {}
PepperBrokerObserver::~PepperBrokerObserver() {}
bool PepperBrokerObserver::RequestPpapiBrokerPermission(
WebContents* web_contents,
const GURL& url,
const FilePath& plugin_path,
const base::Callback<void(bool)>& callback) {
TabContents* tab = TabContents::FromWebContents(web_contents);
if (!tab) {
callback.Run(false);
return true;
}
Profile* profile = tab->profile();
// TODO(wad): Add ephemeral device ID support for broker in guest mode.
if (Profile::IsGuestSession()) {
callback.Run(false);
return true;
}
HostContentSettingsMap* content_settings =
profile->GetHostContentSettingsMap();
ContentSetting setting =
content_settings->GetContentSetting(url, url,
CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
std::string());
switch (setting) {
case CONTENT_SETTING_ALLOW: {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerSettingAllow"));
callback.Run(true);
break;
}
case CONTENT_SETTING_BLOCK: {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerSettingDeny"));
callback.Run(false);
break;
}
case CONTENT_SETTING_ASK: {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
InfoBarTabHelper* infobar_helper = tab->infobar_tab_helper();
std::string languages =
profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
infobar_helper->AddInfoBar(
new PepperBrokerInfoBarDelegate(
infobar_helper, url, plugin_path, languages, content_settings,
callback));
break;
}
default:
NOTREACHED();
}
return true;
}
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