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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/ui/webui/uber/uber_ui.h"
#include "base/stl_util.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "chrome/browser/ui/webui/extensions/extensions_ui.h"
#include "chrome/browser/ui/webui/options/options_ui.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/chrome_manifest_url_handlers.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension_set.h"
#include "grit/browser_resources.h"
using content::NavigationController;
using content::NavigationEntry;
using content::RenderViewHost;
using content::WebContents;
namespace {
content::WebUIDataSource* CreateUberHTMLSource() {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUIUberHost);
source->SetJsonPath("strings.js");
source->AddResourcePath("uber.js", IDR_UBER_JS);
source->AddResourcePath("uber_utils.js", IDR_UBER_UTILS_JS);
source->SetDefaultResource(IDR_UBER_HTML);
source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome:;");
// Hack alert: continue showing "Loading..." until a real title is set.
source->AddLocalizedString("pageTitle", IDS_TAB_LOADING_TITLE);
source->AddString("extensionsFrameURL", chrome::kChromeUIExtensionsFrameURL);
source->AddString("extensionsHost", chrome::kChromeUIExtensionsHost);
source->AddString("helpFrameURL", chrome::kChromeUIHelpFrameURL);
source->AddString("helpHost", chrome::kChromeUIHelpHost);
source->AddString("historyFrameURL", chrome::kChromeUIHistoryFrameURL);
source->AddString("historyHost", chrome::kChromeUIHistoryHost);
source->AddString("settingsFrameURL", chrome::kChromeUISettingsFrameURL);
source->AddString("settingsHost", chrome::kChromeUISettingsHost);
return source;
}
// Determines whether the user has an active extension of the given type.
bool HasExtensionType(Profile* profile, const std::string& extension_type) {
const extensions::ExtensionSet& extension_set =
extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
for (extensions::ExtensionSet::const_iterator iter = extension_set.begin();
iter != extension_set.end(); ++iter) {
const extensions::URLOverrides::URLOverrideMap& map =
extensions::URLOverrides::GetChromeURLOverrides(iter->get());
if (ContainsKey(map, extension_type))
return true;
}
return false;
}
content::WebUIDataSource* CreateUberFrameHTMLSource(Profile* profile) {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUIUberFrameHost);
source->SetJsonPath("strings.js");
source->AddResourcePath("uber_frame.js", IDR_UBER_FRAME_JS);
source->SetDefaultResource(IDR_UBER_FRAME_HTML);
// TODO(jhawkins): Attempt to get rid of IDS_SHORT_PRODUCT_OS_NAME.
#if defined(OS_CHROMEOS)
source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_OS_NAME);
#else
source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME);
#endif // defined(OS_CHROMEOS)
// Group settings and help separately if settings in a window is enabled.
std::string settings_group("settings_group");
std::string other_group(
::switches::SettingsWindowEnabled() ? "other_group" : "settings_group");
source->AddString("extensionsHost", chrome::kChromeUIExtensionsHost);
source->AddLocalizedString("extensionsDisplayName",
IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE);
source->AddString("extensionsGroup", other_group);
source->AddString("helpHost", chrome::kChromeUIHelpHost);
source->AddLocalizedString("helpDisplayName", IDS_ABOUT_TITLE);
source->AddString("helpGroup", settings_group);
source->AddString("historyHost", chrome::kChromeUIHistoryHost);
source->AddLocalizedString("historyDisplayName", IDS_HISTORY_TITLE);
source->AddString("historyGroup", other_group);
source->AddString("settingsHost", chrome::kChromeUISettingsHost);
source->AddLocalizedString("settingsDisplayName", IDS_SETTINGS_TITLE);
source->AddString("settingsGroup", settings_group);
bool overridesHistory =
HasExtensionType(profile, chrome::kChromeUIHistoryHost);
source->AddString("overridesHistory", overridesHistory ? "yes" : "no");
source->DisableDenyXFrameOptions();
source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome:;");
return source;
}
} // namespace
UberUI::UberUI(content::WebUI* web_ui) : WebUIController(web_ui) {
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateUberHTMLSource());
RegisterSubpage(chrome::kChromeUIExtensionsFrameURL,
chrome::kChromeUIExtensionsHost);
RegisterSubpage(chrome::kChromeUIHelpFrameURL,
chrome::kChromeUIHelpHost);
RegisterSubpage(chrome::kChromeUIHistoryFrameURL,
chrome::kChromeUIHistoryHost);
RegisterSubpage(chrome::kChromeUISettingsFrameURL,
chrome::kChromeUISettingsHost);
RegisterSubpage(chrome::kChromeUIUberFrameURL,
chrome::kChromeUIUberHost);
}
UberUI::~UberUI() {
STLDeleteValues(&sub_uis_);
}
void UberUI::RegisterSubpage(const std::string& page_url,
const std::string& page_host) {
GURL page_gurl(page_url);
content::WebUI* webui = web_ui()->GetWebContents()->CreateWebUI(page_gurl);
webui->OverrideJavaScriptFrame(page_host);
sub_uis_[page_url] = webui;
}
content::WebUI* UberUI::GetSubpage(const std::string& page_url) {
if (!ContainsKey(sub_uis_, page_url))
return NULL;
return sub_uis_[page_url];
}
void UberUI::RenderViewCreated(RenderViewHost* render_view_host) {
for (SubpageMap::iterator iter = sub_uis_.begin(); iter != sub_uis_.end();
++iter) {
iter->second->GetController()->RenderViewCreated(render_view_host);
}
}
void UberUI::RenderViewReused(RenderViewHost* render_view_host) {
for (SubpageMap::iterator iter = sub_uis_.begin(); iter != sub_uis_.end();
++iter) {
iter->second->GetController()->RenderViewReused(render_view_host);
}
}
bool UberUI::OverrideHandleWebUIMessage(const GURL& source_url,
const std::string& message,
const base::ListValue& args) {
// Find the appropriate subpage and forward the message.
SubpageMap::iterator subpage = sub_uis_.find(source_url.GetOrigin().spec());
if (subpage == sub_uis_.end()) {
// The message was sent from the uber page itself.
DCHECK_EQ(std::string(chrome::kChromeUIUberHost), source_url.host());
return false;
}
// The message was sent from a subpage.
// TODO(jam) fix this to use interface
// return subpage->second->GetController()->OverrideHandleWebUIMessage(
// source_url, message, args);
subpage->second->ProcessWebUIMessage(source_url, message, args);
return true;
}
// UberFrameUI
UberFrameUI::UberFrameUI(content::WebUI* web_ui) : WebUIController(web_ui) {
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateUberFrameHTMLSource(profile));
// Register as an observer for when extensions are loaded and unloaded.
registrar_.Add(this,
extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
content::Source<Profile>(profile));
registrar_.Add(this,
extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
content::Source<Profile>(profile));
}
UberFrameUI::~UberFrameUI() {
}
void UberFrameUI::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
// We listen for notifications that indicate an extension has been loaded
// (i.e., has been installed and/or enabled) or unloaded (i.e., has been
// uninstalled and/or disabled). If one of these events has occurred, then
// we must update the behavior of the History navigation element so that
// it opens the history extension if one is installed and enabled or
// opens the default history page if one is uninstalled or disabled.
case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
case extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: {
Profile* profile = Profile::FromWebUI(web_ui());
bool overrides_history =
HasExtensionType(profile, chrome::kChromeUIHistoryHost);
web_ui()->CallJavascriptFunction(
"uber_frame.setNavigationOverride",
base::StringValue(chrome::kChromeUIHistoryHost),
base::StringValue(overrides_history ? "yes" : "no"));
break;
}
default:
NOTREACHED();
}
}
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