chrome/browser/chromeos/file_manager/open_with_browser.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/file_manager/open_with_browser.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/logging.h"
  10 #include "base/path_service.h"
  11 #include "base/threading/sequenced_worker_pool.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
  14 #include "chrome/browser/chromeos/fileapi/external_file_url_util.h"
  15 #include "chrome/browser/plugins/plugin_prefs.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
  18 #include "chrome/browser/ui/browser.h"
  19 #include "chrome/browser/ui/browser_tabstrip.h"
  20 #include "chrome/browser/ui/browser_window.h"
  21 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
  22 #include "chrome/common/chrome_content_client.h"
  23 #include "chrome/common/chrome_paths.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "components/drive/drive_api_util.h"
  26 #include "components/drive/file_system_core_util.h"
  27 #include "content/public/browser/browser_thread.h"
  28 #include "content/public/browser/plugin_service.h"
  29 #include "content/public/common/pepper_plugin_info.h"
  30 #include "net/base/filename_util.h"
  31
  32 using content::BrowserThread;
  33 using content::PluginService;
  34
  35 namespace file_manager {
  36 namespace util {
  37 namespace {
  38
  39 const base::FilePath::CharType kPdfExtension[] = FILE_PATH_LITERAL(".pdf");
  40 const base::FilePath::CharType kSwfExtension[] = FILE_PATH_LITERAL(".swf");
  41
  42 // List of file extensions viewable in the browser.
  43 const base::FilePath::CharType* kFileExtensionsViewableInBrowser[] = {
  44   FILE_PATH_LITERAL(".bmp"),
  45   FILE_PATH_LITERAL(".ico"),
  46   FILE_PATH_LITERAL(".jpg"),
  47   FILE_PATH_LITERAL(".jpeg"),
  48   FILE_PATH_LITERAL(".png"),
  49   FILE_PATH_LITERAL(".webp"),
  50   FILE_PATH_LITERAL(".gif"),
  51   FILE_PATH_LITERAL(".txt"),
  52   FILE_PATH_LITERAL(".html"),
  53   FILE_PATH_LITERAL(".htm"),
  54   FILE_PATH_LITERAL(".mhtml"),
  55   FILE_PATH_LITERAL(".mht"),
  56   FILE_PATH_LITERAL(".xhtml"),
  57   FILE_PATH_LITERAL(".xht"),
  58   FILE_PATH_LITERAL(".shtml"),
  59   FILE_PATH_LITERAL(".svg"),
  60 };
  61
  62 // Returns true if |file_path| is viewable in the browser (ex. HTML file).
  63 bool IsViewableInBrowser(const base::FilePath& file_path) {
  64   for (size_t i = 0; i < arraysize(kFileExtensionsViewableInBrowser); i++) {
  65     if (file_path.MatchesExtension(kFileExtensionsViewableInBrowser[i]))
  66       return true;
  67   }
  68   return false;
  69 }
  70
  71 bool IsPepperPluginEnabled(Profile* profile,
  72                            const base::FilePath& plugin_path) {
  73   DCHECK(profile);
  74
  75   content::PepperPluginInfo* pepper_info =
  76       PluginService::GetInstance()->GetRegisteredPpapiPluginInfo(plugin_path);
  77   if (!pepper_info)
  78     return false;
  79
  80   scoped_refptr<PluginPrefs> plugin_prefs = PluginPrefs::GetForProfile(profile);
  81   if (!plugin_prefs.get())
  82     return false;
  83
  84   return plugin_prefs->IsPluginEnabled(pepper_info->ToWebPluginInfo());
  85 }
  86
  87 bool IsPdfPluginEnabled(Profile* profile) {
  88   DCHECK(profile);
  89
  90   base::FilePath plugin_path = base::FilePath::FromUTF8Unsafe(
  91       ChromeContentClient::kPDFPluginPath);
  92   return IsPepperPluginEnabled(profile, plugin_path);
  93 }
  94
  95 bool IsFlashPluginEnabled(Profile* profile) {
  96   DCHECK(profile);
  97
  98   base::FilePath plugin_path(
  99       base::CommandLine::ForCurrentProcess()->GetSwitchValueNative(
 100           switches::kPpapiFlashPath));
 101   if (plugin_path.empty())
 102     PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &plugin_path);
 103   return IsPepperPluginEnabled(profile, plugin_path);
 104 }
 105
 106 void OpenNewTab(Profile* profile, const GURL& url) {
 107   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 108
 109   // Check the validity of the pointer so that the closure from
 110   // base::Bind(&OpenNewTab, profile) can be passed between threads.
 111   if (!g_browser_process->profile_manager()->IsValidProfile(profile))
 112     return;
 113
 114   chrome::ScopedTabbedBrowserDisplayer displayer(
 115       profile, chrome::HOST_DESKTOP_TYPE_ASH);
 116   chrome::AddSelectedTabWithURL(displayer.browser(), url,
 117       ui::PAGE_TRANSITION_LINK);
 118
 119   // Since the ScopedTabbedBrowserDisplayer does not guarantee that the
 120   // browser will be shown on the active desktop, we ensure the visibility.
 121   multi_user_util::MoveWindowToCurrentDesktop(
 122       displayer.browser()->window()->GetNativeWindow());
 123 }
 124
 125 // Reads the alternate URL from a GDoc file. When it fails, returns a file URL
 126 // for |file_path| as fallback.
 127 // Note that an alternate url is a URL to open a hosted document.
 128 GURL ReadUrlFromGDocOnBlockingPool(const base::FilePath& file_path) {
 129   GURL url = drive::util::ReadUrlFromGDocFile(file_path);
 130   if (url.is_empty())
 131     url = net::FilePathToFileURL(file_path);
 132   return url;
 133 }
 134
 135 }  // namespace
 136
 137 bool OpenFileWithBrowser(Profile* profile,
 138                          const storage::FileSystemURL& file_system_url) {
 139   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 140   DCHECK(profile);
 141
 142   const base::FilePath file_path = file_system_url.path();
 143
 144   // For things supported natively by the browser, we should open it
 145   // in a tab.
 146   if (IsViewableInBrowser(file_path) ||
 147       ShouldBeOpenedWithPlugin(profile, file_path.Extension())) {
 148     // Use external file URL if it is provided for the file system.
 149     GURL page_url = chromeos::FileSystemURLToExternalFileURL(file_system_url);
 150     if (page_url.is_empty())
 151       page_url = net::FilePathToFileURL(file_path);
 152
 153     OpenNewTab(profile, page_url);
 154     return true;
 155   }
 156
 157   if (drive::util::HasHostedDocumentExtension(file_path)) {
 158     if (file_manager::util::IsUnderNonNativeLocalPath(profile, file_path)) {
 159       // The file is on a non-native volume. Use external file URL. If the file
 160       // is on the drive volume, ExternalFileURLRequestJob redirects the URL to
 161       // drive's web interface. Otherwise (e.g. MTP, FSP), the file is just
 162       // downloaded in a browser tab.
 163       const GURL url =
 164           chromeos::FileSystemURLToExternalFileURL(file_system_url);
 165       DCHECK(!url.is_empty());
 166       OpenNewTab(profile, url);
 167     } else {
 168       // The file is local (downloaded from an attachment or otherwise copied).
 169       // Parse the file to extract the Docs url and open this url.
 170       base::PostTaskAndReplyWithResult(
 171           BrowserThread::GetBlockingPool(),
 172           FROM_HERE,
 173           base::Bind(&ReadUrlFromGDocOnBlockingPool, file_path),
 174           base::Bind(&OpenNewTab, profile));
 175     }
 176     return true;
 177   }
 178
 179   // Failed to open the file of unknown type.
 180   LOG(WARNING) << "Unknown file type: " << file_path.value();
 181   return false;
 182 }
 183
 184 // If a bundled plugin is enabled, we should open pdf/swf files in a tab.
 185 bool ShouldBeOpenedWithPlugin(
 186     Profile* profile,
 187     const base::FilePath::StringType& file_extension) {
 188   DCHECK(profile);
 189
 190   const base::FilePath file_path =
 191       base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
 192   if (file_path.MatchesExtension(kPdfExtension))
 193     return IsPdfPluginEnabled(profile);
 194   if (file_path.MatchesExtension(kSwfExtension))
 195     return IsFlashPluginEnabled(profile);
 196   return false;
 197 }
 198
 199 }  // namespace util
 200 }  // namespace file_manager