content/shell/browser/shell_download_manager_delegate.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 "content/shell/browser/shell_download_manager_delegate.h"
   6
   7 #if defined(TOOLKIT_GTK)
   8 #include <gtk/gtk.h>
   9 #endif
  10
  11 #if defined(OS_WIN)
  12 #include <windows.h>
  13 #include <commdlg.h>
  14 #endif
  15
  16 #include "base/bind.h"
  17 #include "base/command_line.h"
  18 #include "base/file_util.h"
  19 #include "base/logging.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "content/public/browser/browser_context.h"
  23 #include "content/public/browser/browser_thread.h"
  24 #include "content/public/browser/download_manager.h"
  25 #include "content/public/browser/web_contents.h"
  26 #include "content/public/browser/web_contents_view.h"
  27 #include "content/shell/browser/webkit_test_controller.h"
  28 #include "content/shell/common/shell_switches.h"
  29 #include "net/base/net_util.h"
  30
  31 namespace content {
  32
  33 ShellDownloadManagerDelegate::ShellDownloadManagerDelegate()
  34     : download_manager_(NULL),
  35       suppress_prompting_(false) {
  36   // Balanced in Shutdown();
  37   AddRef();
  38 }
  39
  40 ShellDownloadManagerDelegate::~ShellDownloadManagerDelegate(){
  41 }
  42
  43
  44 void ShellDownloadManagerDelegate::SetDownloadManager(
  45     DownloadManager* download_manager) {
  46   download_manager_ = download_manager;
  47 }
  48
  49 void ShellDownloadManagerDelegate::Shutdown() {
  50   Release();
  51 }
  52
  53 bool ShellDownloadManagerDelegate::DetermineDownloadTarget(
  54     DownloadItem* download,
  55     const DownloadTargetCallback& callback) {
  56   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  57   // This assignment needs to be here because even at the call to
  58   // SetDownloadManager, the system is not fully initialized.
  59   if (default_download_path_.empty()) {
  60     default_download_path_ = download_manager_->GetBrowserContext()->GetPath().
  61         Append(FILE_PATH_LITERAL("Downloads"));
  62   }
  63
  64   if (!download->GetForcedFilePath().empty()) {
  65     callback.Run(download->GetForcedFilePath(),
  66                  DownloadItem::TARGET_DISPOSITION_OVERWRITE,
  67                  DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
  68                  download->GetForcedFilePath());
  69     return true;
  70   }
  71
  72   base::FilePath generated_name = net::GenerateFileName(
  73       download->GetURL(),
  74       download->GetContentDisposition(),
  75       EmptyString(),
  76       download->GetSuggestedFilename(),
  77       download->GetMimeType(),
  78       "download");
  79
  80   BrowserThread::PostTask(
  81       BrowserThread::FILE,
  82       FROM_HERE,
  83       base::Bind(
  84           &ShellDownloadManagerDelegate::GenerateFilename,
  85           this, download->GetId(), callback, generated_name,
  86           default_download_path_));
  87   return true;
  88 }
  89
  90 bool ShellDownloadManagerDelegate::ShouldOpenDownload(
  91       DownloadItem* item,
  92       const DownloadOpenDelayedCallback& callback) {
  93   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree) &&
  94       WebKitTestController::Get()->IsMainWindow(item->GetWebContents()) &&
  95       item->GetMimeType() == "text/html") {
  96     WebKitTestController::Get()->OpenURL(
  97         net::FilePathToFileURL(item->GetFullPath()));
  98   }
  99   return true;
 100 }
 101
 102 void ShellDownloadManagerDelegate::GetNextId(
 103     const DownloadIdCallback& callback) {
 104   static uint32 next_id = DownloadItem::kInvalidId + 1;
 105   callback.Run(next_id++);
 106 }
 107
 108 void ShellDownloadManagerDelegate::GenerateFilename(
 109     uint32 download_id,
 110     const DownloadTargetCallback& callback,
 111     const base::FilePath& generated_name,
 112     const base::FilePath& suggested_directory) {
 113   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 114   if (!base::PathExists(suggested_directory))
 115     file_util::CreateDirectory(suggested_directory);
 116
 117   base::FilePath suggested_path(suggested_directory.Append(generated_name));
 118   BrowserThread::PostTask(
 119       BrowserThread::UI,
 120       FROM_HERE,
 121       base::Bind(
 122           &ShellDownloadManagerDelegate::OnDownloadPathGenerated,
 123           this, download_id, callback, suggested_path));
 124 }
 125
 126 void ShellDownloadManagerDelegate::OnDownloadPathGenerated(
 127     uint32 download_id,
 128     const DownloadTargetCallback& callback,
 129     const base::FilePath& suggested_path) {
 130   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 131   if (suppress_prompting_) {
 132     // Testing exit.
 133     callback.Run(suggested_path, DownloadItem::TARGET_DISPOSITION_OVERWRITE,
 134                  DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
 135                  suggested_path.AddExtension(FILE_PATH_LITERAL(".crdownload")));
 136     return;
 137   }
 138
 139   ChooseDownloadPath(download_id, callback, suggested_path);
 140 }
 141
 142 void ShellDownloadManagerDelegate::ChooseDownloadPath(
 143     uint32 download_id,
 144     const DownloadTargetCallback& callback,
 145     const base::FilePath& suggested_path) {
 146   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 147   DownloadItem* item = download_manager_->GetDownload(download_id);
 148   if (!item || (item->GetState() != DownloadItem::IN_PROGRESS))
 149     return;
 150
 151   base::FilePath result;
 152 #if defined(OS_WIN) && !defined(USE_AURA)
 153   std::wstring file_part = base::FilePath(suggested_path).BaseName().value();
 154   wchar_t file_name[MAX_PATH];
 155   base::wcslcpy(file_name, file_part.c_str(), arraysize(file_name));
 156   OPENFILENAME save_as;
 157   ZeroMemory(&save_as, sizeof(save_as));
 158   save_as.lStructSize = sizeof(OPENFILENAME);
 159   save_as.hwndOwner = item->GetWebContents()->GetView()->GetNativeView();
 160   save_as.lpstrFile = file_name;
 161   save_as.nMaxFile = arraysize(file_name);
 162
 163   std::wstring directory;
 164   if (!suggested_path.empty())
 165     directory = suggested_path.DirName().value();
 166
 167   save_as.lpstrInitialDir = directory.c_str();
 168   save_as.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER | OFN_ENABLESIZING |
 169                   OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST;
 170
 171   if (GetSaveFileName(&save_as))
 172     result = base::FilePath(std::wstring(save_as.lpstrFile));
 173 #elif defined(TOOLKIT_GTK)
 174   GtkWidget *dialog;
 175   gfx::NativeWindow parent_window;
 176   std::string base_name = base::FilePath(suggested_path).BaseName().value();
 177
 178   parent_window = item->GetWebContents()->GetView()->GetTopLevelNativeWindow();
 179   dialog = gtk_file_chooser_dialog_new("Save File",
 180                                        parent_window,
 181                                        GTK_FILE_CHOOSER_ACTION_SAVE,
 182                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 183                                        GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 184                                        NULL);
 185   gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog),
 186                                                  TRUE);
 187   gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog),
 188                                     base_name.c_str());
 189
 190   if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 191     char *filename;
 192     filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 193     result = base::FilePath(filename);
 194     g_free(filename);
 195   }
 196   gtk_widget_destroy(dialog);
 197 #else
 198   NOTIMPLEMENTED();
 199 #endif
 200
 201   callback.Run(result, DownloadItem::TARGET_DISPOSITION_PROMPT,
 202                DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, result);
 203 }
 204
 205 void ShellDownloadManagerDelegate::SetDownloadBehaviorForTesting(
 206     const base::FilePath& default_download_path) {
 207   default_download_path_ = default_download_path;
 208   suppress_prompting_ = true;
 209 }
 210
 211 }  // namespace content