Linux: call xdg-open on downloaded files to open them.

chrome/common/win_safe_util.cc

 // Copyright (c) 2006-2008 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 <shlobj.h>
 #include <shobjidl.h>
 #include <atlcomcli.h>
 
 #include "chrome/common/win_safe_util.h"
 
 #include "app/win_util.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 
 namespace win_util {
 
 // This function implementation is based on the attachment execution
 // services functionally deployed with IE6 or Service pack 2. This
 // functionality is exposed in the IAttachmentExecute COM interface.
 // more information at:
 // http://msdn2.microsoft.com/en-us/library/ms647048.aspx
 bool SaferOpenItemViaShell(HWND hwnd, const std::wstring& window_title,
                            const FilePath& full_path,
-                           const std::wstring& source_url,
-                           bool ask_for_app) {
+                           const std::wstring& source_url) {
   ATL::CComPtr<IAttachmentExecute> attachment_services;
   HRESULT hr = attachment_services.CoCreateInstance(CLSID_AttachmentServices);
   if (FAILED(hr)) {
     // We don't have Attachment Execution Services, it must be a pre-XP.SP2
     // Windows installation, or the thread does not have COM initialized.
     if (hr == CO_E_NOTINITIALIZED) {
       NOTREACHED();
       return false;
     }
-    return OpenItemViaShell(full_path, ask_for_app);
+    return OpenItemViaShell(full_path);
   }
 
   // This GUID is associated with any 'don't ask me again' settings that the
   // user can select for different file types.
   // {2676A9A2-D919-4fee-9187-152100393AB2}
   static const GUID kClientID = { 0x2676a9a2, 0xd919, 0x4fee,
     { 0x91, 0x87, 0x15, 0x21, 0x0, 0x39, 0x3a, 0xb2 } };
 
   attachment_services->SetClientGuid(kClientID);
 
@@ skipping 37 matching lines @@
     // We cannot control what the prompt says or does directly but it
     // is a pretty decent dialog; for example, if an excutable is signed it can
     // decode and show the publisher and the certificate.
     hr = attachment_services->Prompt(hwnd, ATTACHMENT_PROMPT_EXEC, &action);
     if (FAILED(hr) || (ATTACHMENT_ACTION_CANCEL == action))
     {
       // The user has declined opening the item.
       return false;
     }
   }
-  return OpenItemViaShellNoZoneCheck(full_path, ask_for_app);
+  return OpenItemViaShellNoZoneCheck(full_path);
 }
 
 bool SetInternetZoneIdentifier(const FilePath& full_path) {
   const DWORD kShare = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
   std::wstring path = full_path.value() + L":Zone.Identifier";
   HANDLE file = CreateFile(path.c_str(), GENERIC_WRITE, kShare, NULL,
                            OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
   if (INVALID_HANDLE_VALUE == file)
     return false;
 
   const char kIdentifier[] = "[ZoneTransfer]\nZoneId=3";
   DWORD written = 0;
   BOOL result = WriteFile(file, kIdentifier, arraysize(kIdentifier), &written,
                           NULL);
   CloseHandle(file);
 
   if (!result || written != arraysize(kIdentifier)) {
     DCHECK(FALSE);
     return false;
   }
 
   return true;
 }
 
 }  // namespace win_util