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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 "base/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
#include "chrome/browser/ui/webui/chrome_web_ui_data_source.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/options2/options_ui2.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_set.h"
#include "chrome/common/url_constants.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 "grit/browser_resources.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
using content::NavigationController;
using content::NavigationEntry;
using content::RenderViewHost;
using content::WebContents;
namespace {
ChromeWebUIDataSource* CreateUberHTMLSource() {
ChromeWebUIDataSource* source =
new ChromeWebUIDataSource(chrome::kChromeUIUberHost);
source->set_json_path("strings.js");
source->add_resource_path("uber.js", IDR_UBER_JS);
source->add_resource_path("uber_utils.js", IDR_UBER_UTILS_JS);
source->set_default_resource(IDR_UBER_HTML);
// Hack alert: continue showing "Loading..." until a real title is set.
source->AddLocalizedString("pageTitle", IDS_TAB_LOADING_TITLE);
source->AddString("extensionsFrameURL",
ASCIIToUTF16(chrome::kChromeUIExtensionsFrameURL));
source->AddString("extensionsHost",
ASCIIToUTF16(chrome::kChromeUIExtensionsHost));
source->AddString("helpFrameURL",
ASCIIToUTF16(chrome::kChromeUIHelpFrameURL));
source->AddString("helpHost",
ASCIIToUTF16(chrome::kChromeUIHelpHost));
source->AddString("historyFrameURL",
ASCIIToUTF16(chrome::kChromeUIHistoryFrameURL));
source->AddString("historyHost",
ASCIIToUTF16(chrome::kChromeUIHistoryHost));
source->AddString("settingsFrameURL",
ASCIIToUTF16(chrome::kChromeUISettingsFrameURL));
source->AddString("settingsHost",
ASCIIToUTF16(chrome::kChromeUISettingsHost));
return source;
}
// Determines whether the user has an active extension of the given type.
bool HasExtensionType(Profile* profile, const char* extensionType) {
const ExtensionSet* extensionSet =
profile->GetExtensionService()->extensions();
for (ExtensionSet::const_iterator iter = extensionSet->begin();
iter != extensionSet->end(); ++iter) {
Extension::URLOverrideMap map = (*iter)->GetChromeURLOverrides();
Extension::URLOverrideMap::const_iterator result =
map.find(std::string(extensionType));
if (result != map.end())
return true;
}
return false;
}
ChromeWebUIDataSource* CreateUberFrameHTMLSource(Profile* profile) {
ChromeWebUIDataSource* source =
new ChromeWebUIDataSource(chrome::kChromeUIUberFrameHost);
source->set_json_path("strings.js");
source->add_resource_path("uber_frame.js", IDR_UBER_FRAME_JS);
source->set_default_resource(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)
source->AddString("extensionsHost",
ASCIIToUTF16(chrome::kChromeUIExtensionsHost));
source->AddLocalizedString("extensionsDisplayName",
IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE);
source->AddString("helpHost",
ASCIIToUTF16(chrome::kChromeUIHelpHost));
source->AddLocalizedString("helpDisplayName", IDS_HELP_TITLE);
source->AddString("historyHost",
ASCIIToUTF16(chrome::kChromeUIHistoryHost));
source->AddLocalizedString("historyDisplayName", IDS_HISTORY_TITLE);
source->AddString("settingsHost",
ASCIIToUTF16(chrome::kChromeUISettingsHost));
source->AddLocalizedString("settingsDisplayName", IDS_SETTINGS_TITLE);
bool overridesHistory = HasExtensionType(profile,
chrome::kChromeUIHistoryHost);
source->AddString("overridesHistory",
ASCIIToUTF16(overridesHistory ? "yes" : "no"));
return source;
}
} // namespace
UberUI::UberUI(content::WebUI* web_ui) : WebUIController(web_ui) {
Profile* profile = Profile::FromWebUI(web_ui);
ChromeURLDataManager::AddDataSource(profile, CreateUberHTMLSource());
// The user may use a virtual (short) URL to get to the page. To avoid
// duplicate uber tabs, clear the virtual URL so that the omnibox will show
// the real URL. http://crbug.com/111878.
NavigationController* controller = &web_ui->GetWebContents()->GetController();
NavigationEntry* pending_entry = controller->GetPendingEntry();
if (pending_entry && !pending_entry->IsViewSourceMode())
pending_entry->SetVirtualURL(GURL());
RegisterSubpage(chrome::kChromeUIExtensionsFrameURL);
RegisterSubpage(chrome::kChromeUIHelpFrameURL);
RegisterSubpage(chrome::kChromeUIHistoryFrameURL);
RegisterSubpage(chrome::kChromeUISettingsFrameURL);
RegisterSubpage(chrome::kChromeUIUberFrameURL);
}
UberUI::~UberUI() {
STLDeleteValues(&sub_uis_);
}
void UberUI::RegisterSubpage(const std::string& page_url) {
content::WebUI* webui =
web_ui()->GetWebContents()->CreateWebUI(GURL(page_url));
webui->SetFrameXPath("//iframe[starts-with(@src,'" + page_url + "')]");
sub_uis_[page_url] = webui;
}
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);
}
}
bool UberUI::OverrideHandleWebUIMessage(const GURL& source_url,
const std::string& message,
const 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);
ChromeURLDataManager::AddDataSource(profile,
CreateUberFrameHTMLSource(profile));
// Register as an observer for when extensions are loaded and unloaded.
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
content::Source<Profile>(profile));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
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 chrome::NOTIFICATION_EXTENSION_LOADED:
case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
Profile* profile = Profile::FromWebUI(web_ui());
bool overridesHistory = HasExtensionType(profile,
chrome::kChromeUIHistoryHost);
scoped_ptr<Value> controlsValue(
Value::CreateStringValue(chrome::kChromeUIHistoryHost));
scoped_ptr<Value> overrideValue(
Value::CreateStringValue(overridesHistory ? "yes" : "no"));
web_ui()->CallJavascriptFunction(
"uber_frame.setNavigationOverride", *controlsValue, *overrideValue);
break;
}
default:
NOTREACHED();
}
}
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