src/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/drive/file_system_util.h"
  14 #include "chrome/browser/extensions/api/file_handlers/app_file_handler_util.h"
  15 #include "chrome/browser/plugins/plugin_prefs.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/profiles/profile_manager.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/browser/ui/simple_message_box.h"
  23 #include "chrome/common/chrome_paths.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "chromeos/chromeos_switches.h"
  26 #include "content/public/browser/browser_thread.h"
  27 #include "content/public/browser/plugin_service.h"
  28 #include "content/public/common/pepper_plugin_info.h"
  29 #include "content/public/common/webplugininfo.h"
  30 #include "net/base/net_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 #if defined(GOOGLE_CHROME_BUILD)
  45   FILE_PATH_LITERAL(".pdf"),
  46   FILE_PATH_LITERAL(".swf"),
  47 #endif
  48   FILE_PATH_LITERAL(".bmp"),
  49   FILE_PATH_LITERAL(".jpg"),
  50   FILE_PATH_LITERAL(".jpeg"),
  51   FILE_PATH_LITERAL(".png"),
  52   FILE_PATH_LITERAL(".webp"),
  53   FILE_PATH_LITERAL(".gif"),
  54   FILE_PATH_LITERAL(".txt"),
  55   FILE_PATH_LITERAL(".html"),
  56   FILE_PATH_LITERAL(".htm"),
  57   FILE_PATH_LITERAL(".mhtml"),
  58   FILE_PATH_LITERAL(".mht"),
  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;
  91   PathService::Get(chrome::FILE_PDF_PLUGIN, &plugin_path);
  92   return IsPepperPluginEnabled(profile, plugin_path);
  93 }
  94
  95 bool IsFlashPluginEnabled(Profile* profile) {
  96   DCHECK(profile);
  97
  98   base::FilePath plugin_path(
  99       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(BrowserThread::CurrentlyOn(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       content::PAGE_TRANSITION_LINK);
 118 }
 119
 120 // Reads the alternate URL from a GDoc file. When it fails, returns a file URL
 121 // for |file_path| as fallback.
 122 // Note that an alternate url is a URL to open a hosted document.
 123 GURL ReadUrlFromGDocOnBlockingPool(const base::FilePath& file_path) {
 124   GURL url = drive::util::ReadUrlFromGDocFile(file_path);
 125   if (url.is_empty())
 126     url = net::FilePathToFileURL(file_path);
 127   return url;
 128 }
 129
 130 }  // namespace
 131
 132 bool OpenFileWithBrowser(Profile* profile, const base::FilePath& file_path) {
 133   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 134   DCHECK(profile);
 135
 136   // For things supported natively by the browser, we should open it
 137   // in a tab.
 138   if (IsViewableInBrowser(file_path) ||
 139       ShouldBeOpenedWithPlugin(profile, file_path.Extension())) {
 140     GURL page_url = net::FilePathToFileURL(file_path);
 141     // Override drive resource to point to internal handler instead of file URL.
 142     if (drive::util::IsUnderDriveMountPoint(file_path)) {
 143       page_url = drive::util::FilePathToDriveURL(
 144           drive::util::ExtractDrivePath(file_path));
 145     }
 146     OpenNewTab(profile, page_url);
 147     return true;
 148   }
 149
 150   if (drive::util::HasGDocFileExtension(file_path)) {
 151     if (drive::util::IsUnderDriveMountPoint(file_path)) {
 152       // The file is on Google Docs. Open with drive URL.
 153       GURL url = drive::util::FilePathToDriveURL(
 154           drive::util::ExtractDrivePath(file_path));
 155       OpenNewTab(profile, url);
 156     } else {
 157       // The file is local (downloaded from an attachment or otherwise copied).
 158       // Parse the file to extract the Docs url and open this url.
 159       base::PostTaskAndReplyWithResult(
 160           BrowserThread::GetBlockingPool(),
 161           FROM_HERE,
 162           base::Bind(&ReadUrlFromGDocOnBlockingPool, file_path),
 163           base::Bind(&OpenNewTab, profile));
 164     }
 165     return true;
 166   }
 167
 168   // Failed to open the file of unknown type.
 169   LOG(WARNING) << "Unknown file type: " << file_path.value();
 170   return false;
 171 }
 172
 173 // If a bundled plugin is enabled, we should open pdf/swf files in a tab.
 174 bool ShouldBeOpenedWithPlugin(
 175     Profile* profile,
 176     const base::FilePath::StringType& file_extension) {
 177   DCHECK(profile);
 178
 179   const base::FilePath file_path =
 180       base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
 181   if (file_path.MatchesExtension(kPdfExtension))
 182     return IsPdfPluginEnabled(profile);
 183   if (file_path.MatchesExtension(kSwfExtension))
 184     return IsFlashPluginEnabled(profile);
 185   return false;
 186 }
 187
 188 }  // namespace util
 189 }  // namespace file_manager