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/plugins/plugin_prefs.h"
  15 #include "chrome/browser/profiles/profile_manager.h"
  16 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
  17 #include "chrome/browser/ui/browser.h"
  18 #include "chrome/browser/ui/browser_tabstrip.h"
  19 #include "chrome/browser/ui/browser_window.h"
  20 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
  21 #include "chrome/common/chrome_paths.h"
  22 #include "chrome/common/chrome_switches.h"
  23 #include "content/public/browser/browser_thread.h"
  24 #include "content/public/browser/plugin_service.h"
  25 #include "content/public/common/pepper_plugin_info.h"
  26 #include "net/base/net_util.h"
  27
  28 using content::BrowserThread;
  29 using content::PluginService;
  30
  31 namespace file_manager {
  32 namespace util {
  33 namespace {
  34
  35 const base::FilePath::CharType kPdfExtension[] = FILE_PATH_LITERAL(".pdf");
  36 const base::FilePath::CharType kSwfExtension[] = FILE_PATH_LITERAL(".swf");
  37
  38 // List of file extensions viewable in the browser.
  39 const base::FilePath::CharType* kFileExtensionsViewableInBrowser[] = {
  40   FILE_PATH_LITERAL(".bmp"),
  41   FILE_PATH_LITERAL(".ico"),
  42   FILE_PATH_LITERAL(".jpg"),
  43   FILE_PATH_LITERAL(".jpeg"),
  44   FILE_PATH_LITERAL(".png"),
  45   FILE_PATH_LITERAL(".webp"),
  46   FILE_PATH_LITERAL(".gif"),
  47   FILE_PATH_LITERAL(".txt"),
  48   FILE_PATH_LITERAL(".html"),
  49   FILE_PATH_LITERAL(".htm"),
  50   FILE_PATH_LITERAL(".mhtml"),
  51   FILE_PATH_LITERAL(".mht"),
  52   FILE_PATH_LITERAL(".svg"),
  53 };
  54
  55 // Returns true if |file_path| is viewable in the browser (ex. HTML file).
  56 bool IsViewableInBrowser(const base::FilePath& file_path) {
  57   for (size_t i = 0; i < arraysize(kFileExtensionsViewableInBrowser); i++) {
  58     if (file_path.MatchesExtension(kFileExtensionsViewableInBrowser[i]))
  59       return true;
  60   }
  61   return false;
  62 }
  63
  64 bool IsPepperPluginEnabled(Profile* profile,
  65                            const base::FilePath& plugin_path) {
  66   DCHECK(profile);
  67
  68   content::PepperPluginInfo* pepper_info =
  69       PluginService::GetInstance()->GetRegisteredPpapiPluginInfo(plugin_path);
  70   if (!pepper_info)
  71     return false;
  72
  73   scoped_refptr<PluginPrefs> plugin_prefs = PluginPrefs::GetForProfile(profile);
  74   if (!plugin_prefs.get())
  75     return false;
  76
  77   return plugin_prefs->IsPluginEnabled(pepper_info->ToWebPluginInfo());
  78 }
  79
  80 bool IsPdfPluginEnabled(Profile* profile) {
  81   DCHECK(profile);
  82
  83   base::FilePath plugin_path;
  84   PathService::Get(chrome::FILE_PDF_PLUGIN, &plugin_path);
  85   return IsPepperPluginEnabled(profile, plugin_path);
  86 }
  87
  88 bool IsFlashPluginEnabled(Profile* profile) {
  89   DCHECK(profile);
  90
  91   base::FilePath plugin_path(
  92       CommandLine::ForCurrentProcess()->GetSwitchValueNative(
  93           switches::kPpapiFlashPath));
  94   if (plugin_path.empty())
  95     PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &plugin_path);
  96   return IsPepperPluginEnabled(profile, plugin_path);
  97 }
  98
  99 void OpenNewTab(Profile* profile, const GURL& url) {
 100   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 101
 102   // Check the validity of the pointer so that the closure from
 103   // base::Bind(&OpenNewTab, profile) can be passed between threads.
 104   if (!g_browser_process->profile_manager()->IsValidProfile(profile))
 105     return;
 106
 107   chrome::ScopedTabbedBrowserDisplayer displayer(
 108       profile, chrome::HOST_DESKTOP_TYPE_ASH);
 109   chrome::AddSelectedTabWithURL(displayer.browser(), url,
 110       content::PAGE_TRANSITION_LINK);
 111
 112   // Since the ScopedTabbedBrowserDisplayer does not guarantee that the
 113   // browser will be shown on the active desktop, we ensure the visibility.
 114   multi_user_util::MoveWindowToCurrentDesktop(
 115       displayer.browser()->window()->GetNativeWindow());
 116 }
 117
 118 // Reads the alternate URL from a GDoc file. When it fails, returns a file URL
 119 // for |file_path| as fallback.
 120 // Note that an alternate url is a URL to open a hosted document.
 121 GURL ReadUrlFromGDocOnBlockingPool(const base::FilePath& file_path) {
 122   GURL url = drive::util::ReadUrlFromGDocFile(file_path);
 123   if (url.is_empty())
 124     url = net::FilePathToFileURL(file_path);
 125   return url;
 126 }
 127
 128 }  // namespace
 129
 130 bool OpenFileWithBrowser(Profile* profile, const base::FilePath& file_path) {
 131   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 132   DCHECK(profile);
 133
 134   // For things supported natively by the browser, we should open it
 135   // in a tab.
 136   if (IsViewableInBrowser(file_path) ||
 137       ShouldBeOpenedWithPlugin(profile, file_path.Extension())) {
 138     GURL page_url = net::FilePathToFileURL(file_path);
 139     // Override drive resource to point to internal handler instead of file URL.
 140     if (drive::util::IsUnderDriveMountPoint(file_path)) {
 141       page_url = drive::util::FilePathToDriveURL(
 142           drive::util::ExtractDrivePath(file_path));
 143     }
 144     OpenNewTab(profile, page_url);
 145     return true;
 146   }
 147
 148   if (drive::util::HasGDocFileExtension(file_path)) {
 149     if (drive::util::IsUnderDriveMountPoint(file_path)) {
 150       // The file is on Google Docs. Open with drive URL.
 151       GURL url = drive::util::FilePathToDriveURL(
 152           drive::util::ExtractDrivePath(file_path));
 153       OpenNewTab(profile, url);
 154     } else {
 155       // The file is local (downloaded from an attachment or otherwise copied).
 156       // Parse the file to extract the Docs url and open this url.
 157       base::PostTaskAndReplyWithResult(
 158           BrowserThread::GetBlockingPool(),
 159           FROM_HERE,
 160           base::Bind(&ReadUrlFromGDocOnBlockingPool, file_path),
 161           base::Bind(&OpenNewTab, profile));
 162     }
 163     return true;
 164   }
 165
 166   // Failed to open the file of unknown type.
 167   LOG(WARNING) << "Unknown file type: " << file_path.value();
 168   return false;
 169 }
 170
 171 // If a bundled plugin is enabled, we should open pdf/swf files in a tab.
 172 bool ShouldBeOpenedWithPlugin(
 173     Profile* profile,
 174     const base::FilePath::StringType& file_extension) {
 175   DCHECK(profile);
 176
 177   const base::FilePath file_path =
 178       base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
 179   if (file_path.MatchesExtension(kPdfExtension))
 180     return IsPdfPluginEnabled(profile);
 181   if (file_path.MatchesExtension(kSwfExtension))
 182     return IsFlashPluginEnabled(profile);
 183   return false;
 184 }
 185
 186 }  // namespace util
 187 }  // namespace file_manager