chrome/utility/shell_handler_win.cc

   1 // Copyright 2014 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/utility/shell_handler_win.h"
   6
   7 #include <commdlg.h>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/common/chrome_utility_messages.h"
  12 #include "content/public/utility/utility_thread.h"
  13 #include "ui/base/win/open_file_name_win.h"
  14 #include "ui/base/win/shell.h"
  15
  16 ShellHandler::ShellHandler() {}
  17 ShellHandler::~ShellHandler() {}
  18
  19 bool ShellHandler::OnMessageReceived(const IPC::Message& message) {
  20   bool handled = true;
  21   IPC_BEGIN_MESSAGE_MAP(ShellHandler, message)
  22     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_OpenItemViaShell,
  23                         OnOpenItemViaShell)
  24     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_GetOpenFileName,
  25                         OnGetOpenFileName)
  26     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_GetSaveFileName,
  27                         OnGetSaveFileName)
  28     IPC_MESSAGE_UNHANDLED(handled = false)
  29   IPC_END_MESSAGE_MAP()
  30   return handled;
  31 }
  32
  33 void ShellHandler::OnOpenItemViaShell(const base::FilePath& full_path) {
  34   ui::win::OpenItemViaShell(full_path);
  35 }
  36
  37 void ShellHandler::OnGetOpenFileName(
  38     HWND owner,
  39     DWORD flags,
  40     const GetOpenFileNameFilter& filter,
  41     const base::FilePath& initial_directory,
  42     const base::FilePath& filename) {
  43   ui::win::OpenFileName open_file_name(owner, flags);
  44   open_file_name.SetInitialSelection(initial_directory, filename);
  45   open_file_name.SetFilters(filter);
  46
  47   base::FilePath directory;
  48   std::vector<base::FilePath> filenames;
  49
  50   if (::GetOpenFileName(open_file_name.GetOPENFILENAME()))
  51     open_file_name.GetResult(&directory, &filenames);
  52
  53   if (filenames.size()) {
  54     content::UtilityThread::Get()->Send(
  55         new ChromeUtilityHostMsg_GetOpenFileName_Result(directory, filenames));
  56   } else {
  57     content::UtilityThread::Get()->Send(
  58         new ChromeUtilityHostMsg_GetOpenFileName_Failed());
  59   }
  60 }
  61
  62 void ShellHandler::OnGetSaveFileName(
  63     const ChromeUtilityMsg_GetSaveFileName_Params& params) {
  64   ui::win::OpenFileName open_file_name(params.owner, params.flags);
  65   open_file_name.SetInitialSelection(params.initial_directory,
  66                                      params.suggested_filename);
  67   open_file_name.SetFilters(params.filters);
  68   open_file_name.GetOPENFILENAME()->nFilterIndex =
  69       params.one_based_filter_index;
  70   open_file_name.GetOPENFILENAME()->lpstrDefExt =
  71       params.default_extension.c_str();
  72
  73   open_file_name.MaybeInstallWindowPositionHookForSaveAsOnXP();
  74
  75   if (::GetSaveFileName(open_file_name.GetOPENFILENAME())) {
  76     content::UtilityThread::Get()->Send(
  77         new ChromeUtilityHostMsg_GetSaveFileName_Result(
  78             base::FilePath(open_file_name.GetOPENFILENAME()->lpstrFile),
  79             open_file_name.GetOPENFILENAME()->nFilterIndex));
  80     return;
  81   }
  82
  83   // Zero means the dialog was closed, otherwise we had an error.
  84   DWORD error_code = ::CommDlgExtendedError();
  85   if (error_code != 0)
  86     NOTREACHED() << "GetSaveFileName failed with code: " << error_code;
  87
  88   content::UtilityThread::Get()->Send(
  89       new ChromeUtilityHostMsg_GetSaveFileName_Failed());
  90 }