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