| // 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/browser_about_handler.h" |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "base/strings/string_util.h" |
| #include "chrome/browser/lifetime/application_lifetime.h" |
| #include "chrome/browser/ui/browser_dialogs.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/url_constants.h" |
| #include "components/url_fixer/url_fixer.h" |
| |
| bool WillHandleBrowserAboutURL(GURL* url, |
| content::BrowserContext* browser_context) { |
| // TODO(msw): Eliminate "about:*" constants and literals from code and tests, |
| // then hopefully we can remove this forced fixup. |
| *url = url_fixer::FixupURL(url->possibly_invalid_spec(), std::string()); |
| |
| // Check that about: URLs are fixed up to chrome: by url_fixer::FixupURL. |
| DCHECK((*url == GURL(url::kAboutBlankURL)) || |
| !url->SchemeIs(url::kAboutScheme)); |
| |
| // Only handle chrome://foo/, url_fixer::FixupURL translates about:foo. |
| if (!url->SchemeIs(content::kChromeUIScheme)) |
| return false; |
| |
| std::string host(url->host()); |
| std::string path; |
| // Replace about with chrome-urls. |
| if (host == chrome::kChromeUIAboutHost) |
| host = chrome::kChromeUIChromeURLsHost; |
| // Replace cache with view-http-cache. |
| if (host == chrome::kChromeUICacheHost) { |
| host = content::kChromeUINetworkViewCacheHost; |
| // Replace sync with sync-internals (for legacy reasons). |
| } else if (host == chrome::kChromeUISyncHost) { |
| host = chrome::kChromeUISyncInternalsHost; |
| // Redirect chrome://extensions. |
| } else if (host == chrome::kChromeUIExtensionsHost) { |
| host = chrome::kChromeUIUberHost; |
| path = chrome::kChromeUIExtensionsHost + url->path(); |
| // Redirect chrome://settings/extensions (legacy URL). |
| } else if (host == chrome::kChromeUISettingsHost && |
| url->path() == std::string("/") + chrome::kExtensionsSubPage) { |
| host = chrome::kChromeUIUberHost; |
| path = chrome::kChromeUIExtensionsHost; |
| // Redirect chrome://history. |
| } else if (host == chrome::kChromeUIHistoryHost) { |
| #if defined(OS_ANDROID) |
| // On Android, redirect directly to chrome://history-frame since |
| // uber page is unsupported. |
| host = chrome::kChromeUIHistoryFrameHost; |
| #else |
| host = chrome::kChromeUIUberHost; |
| path = chrome::kChromeUIHistoryHost + url->path(); |
| #endif |
| // Redirect chrome://settings |
| } else if (host == chrome::kChromeUISettingsHost) { |
| if (::switches::AboutInSettingsEnabled()) { |
| host = chrome::kChromeUISettingsFrameHost; |
| } else { |
| host = chrome::kChromeUIUberHost; |
| path = chrome::kChromeUISettingsHost + url->path(); |
| } |
| // Redirect chrome://help |
| } else if (host == chrome::kChromeUIHelpHost) { |
| if (::switches::AboutInSettingsEnabled()) { |
| host = chrome::kChromeUISettingsFrameHost; |
| if (url->path().empty() || url->path() == "/") |
| path = chrome::kChromeUIHelpHost; |
| } else { |
| host = chrome::kChromeUIUberHost; |
| path = chrome::kChromeUIHelpHost + url->path(); |
| } |
| } |
| |
| GURL::Replacements replacements; |
| replacements.SetHostStr(host); |
| if (!path.empty()) |
| replacements.SetPathStr(path); |
| *url = url->ReplaceComponents(replacements); |
| |
| // Having re-written the URL, make the chrome: handler process it. |
| return false; |
| } |
| |
| bool HandleNonNavigationAboutURL(const GURL& url) { |
| const std::string spec(url.spec()); |
| |
| if (LowerCaseEqualsASCII(spec, chrome::kChromeUIRestartURL)) { |
| // Call AttemptRestart after chrome::Navigate() completes to avoid access of |
| // gtk objects after they are destroyed by BrowserWindowGtk::Close(). |
| base::MessageLoop::current()->PostTask(FROM_HERE, |
| base::Bind(&chrome::AttemptRestart)); |
| return true; |
| } else if (LowerCaseEqualsASCII(spec, chrome::kChromeUIQuitURL)) { |
| base::MessageLoop::current()->PostTask(FROM_HERE, |
| base::Bind(&chrome::AttemptExit)); |
| return true; |
| } |
| |
| // chrome://ipc/ is currently buggy, so we disable it for official builds. |
| #if !defined(OFFICIAL_BUILD) |
| |
| #if (defined(OS_MACOSX) || defined(OS_WIN)) && defined(IPC_MESSAGE_LOG_ENABLED) |
| if (LowerCaseEqualsASCII(spec, chrome::kChromeUIIPCURL)) { |
| // Run the dialog. This will re-use the existing one if it's already up. |
| chrome::ShowAboutIPCDialog(); |
| return true; |
| } |
| #endif |
| |
| #endif // OFFICIAL_BUILD |
| |
| return false; |
| } |