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// Copyright (c) 2011 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 "content/shell/shell_download_manager_delegate.h"
#if defined(OS_WIN)
#include <windows.h>
#include <commdlg.h>
#endif
#include "base/bind.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "content/browser/download/download_state_info.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/download_manager.h"
#include "net/base/net_util.h"
namespace content {
ShellDownloadManagerDelegate::ShellDownloadManagerDelegate()
: download_manager_(NULL) {
}
ShellDownloadManagerDelegate::~ShellDownloadManagerDelegate(){
}
void ShellDownloadManagerDelegate::SetDownloadManager(
DownloadManager* download_manager) {
download_manager_ = download_manager;
}
DownloadId ShellDownloadManagerDelegate::GetNextId() {
static int next_id;
return DownloadId(this, ++next_id);
}
bool ShellDownloadManagerDelegate::ShouldStartDownload(int32 download_id) {
DownloadItem* download =
download_manager_->GetActiveDownloadItem(download_id);
DownloadStateInfo state = download->GetStateInfo();
if (!state.force_file_name.empty())
return true;
FilePath generated_name = net::GenerateFileName(
download->GetURL(),
download->GetContentDisposition(),
download->GetReferrerCharset(),
download->GetSuggestedFilename(),
download->GetMimeType(),
"download");
// Since we have no download UI, show the user a dialog always.
state.prompt_user_for_save_location = true;
BrowserThread::PostTask(
BrowserThread::FILE,
FROM_HERE,
base::Bind(
&ShellDownloadManagerDelegate::GenerateFilename,
this, download_id, state, generated_name));
return false;
}
void ShellDownloadManagerDelegate::GenerateFilename(
int32 download_id,
DownloadStateInfo state,
const FilePath& generated_name) {
if (state.suggested_path.empty()) {
state.suggested_path = download_manager_->GetBrowserContext()->GetPath().
Append(FILE_PATH_LITERAL("Downloads"));
if (!file_util::PathExists(state.suggested_path))
file_util::CreateDirectory(state.suggested_path);
}
state.suggested_path = state.suggested_path.Append(generated_name);
BrowserThread::PostTask(
BrowserThread::UI,
FROM_HERE,
base::Bind(
&ShellDownloadManagerDelegate::RestartDownload,
this, download_id, state));
}
void ShellDownloadManagerDelegate::RestartDownload(
int32 download_id,
DownloadStateInfo state) {
DownloadItem* download =
download_manager_->GetActiveDownloadItem(download_id);
if (!download)
return;
download->SetFileCheckResults(state);
download_manager_->RestartDownload(download_id);
}
void ShellDownloadManagerDelegate::ChooseDownloadPath(
WebContents* web_contents,
const FilePath& suggested_path,
void* data) {
FilePath result;
#if defined(OS_WIN)
std::wstring file_part = FilePath(suggested_path).BaseName().value();
wchar_t file_name[MAX_PATH];
base::wcslcpy(file_name, file_part.c_str(), arraysize(file_name));
OPENFILENAME save_as;
ZeroMemory(&save_as, sizeof(save_as));
save_as.lStructSize = sizeof(OPENFILENAME);
save_as.hwndOwner = web_contents->GetNativeView();
save_as.lpstrFile = file_name;
save_as.nMaxFile = arraysize(file_name);
std::wstring directory;
if (!suggested_path.empty())
directory = suggested_path.DirName().value();
save_as.lpstrInitialDir = directory.c_str();
save_as.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER | OFN_ENABLESIZING |
OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST;
if (GetSaveFileName(&save_as))
result = FilePath(std::wstring(save_as.lpstrFile));
#else
NOTIMPLEMENTED();
#endif
if (result.empty()) {
download_manager_->FileSelectionCanceled(data);
} else {
download_manager_->FileSelected(result, data);
}
}
} // namespace content
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