253 lines
9.1 KiB
C++
253 lines
9.1 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "shell/browser/electron_download_manager_delegate.h"
|
|
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include "base/bind.h"
|
|
#include "base/files/file_util.h"
|
|
#include "base/task/post_task.h"
|
|
#include "chrome/common/pref_names.h"
|
|
#include "components/download/public/common/download_danger_type.h"
|
|
#include "components/prefs/pref_service.h"
|
|
#include "content/public/browser/browser_context.h"
|
|
#include "content/public/browser/browser_thread.h"
|
|
#include "content/public/browser/download_item_utils.h"
|
|
#include "content/public/browser/download_manager.h"
|
|
#include "net/base/filename_util.h"
|
|
#include "shell/browser/api/electron_api_download_item.h"
|
|
#include "shell/browser/electron_browser_context.h"
|
|
#include "shell/browser/javascript_environment.h"
|
|
#include "shell/browser/native_window.h"
|
|
#include "shell/browser/ui/file_dialog.h"
|
|
#include "shell/browser/web_contents_preferences.h"
|
|
#include "shell/common/gin_converters/callback_converter.h"
|
|
#include "shell/common/gin_converters/file_path_converter.h"
|
|
#include "shell/common/options_switches.h"
|
|
|
|
namespace electron {
|
|
|
|
namespace {
|
|
|
|
// Generate default file path to save the download.
|
|
base::FilePath CreateDownloadPath(const GURL& url,
|
|
const std::string& content_disposition,
|
|
const std::string& suggested_filename,
|
|
const std::string& mime_type,
|
|
const base::FilePath& last_saved_directory,
|
|
const base::FilePath& default_download_path) {
|
|
auto generated_name =
|
|
net::GenerateFileName(url, content_disposition, std::string(),
|
|
suggested_filename, mime_type, "download");
|
|
|
|
base::FilePath download_path;
|
|
|
|
// If the last saved directory is a non-empty existent path, use it as the
|
|
// default.
|
|
if (last_saved_directory.empty() || !base::PathExists(last_saved_directory)) {
|
|
download_path = default_download_path;
|
|
|
|
if (!base::PathExists(download_path))
|
|
base::CreateDirectory(download_path);
|
|
} else {
|
|
// Otherwise use the global default.
|
|
download_path = last_saved_directory;
|
|
}
|
|
|
|
return download_path.Append(generated_name);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
ElectronDownloadManagerDelegate::ElectronDownloadManagerDelegate(
|
|
content::DownloadManager* manager)
|
|
: download_manager_(manager) {}
|
|
|
|
ElectronDownloadManagerDelegate::~ElectronDownloadManagerDelegate() {
|
|
if (download_manager_) {
|
|
DCHECK_EQ(static_cast<content::DownloadManagerDelegate*>(this),
|
|
download_manager_->GetDelegate());
|
|
download_manager_->SetDelegate(nullptr);
|
|
download_manager_ = nullptr;
|
|
}
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::GetItemSavePath(
|
|
download::DownloadItem* item,
|
|
base::FilePath* path) {
|
|
api::DownloadItem* download = api::DownloadItem::FromDownloadItem(item);
|
|
if (download)
|
|
*path = download->GetSavePath();
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::GetItemSaveDialogOptions(
|
|
download::DownloadItem* item,
|
|
file_dialog::DialogSettings* options) {
|
|
api::DownloadItem* download = api::DownloadItem::FromDownloadItem(item);
|
|
if (download)
|
|
*options = download->GetSaveDialogOptions();
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::OnDownloadPathGenerated(
|
|
uint32_t download_id,
|
|
content::DownloadTargetCallback callback,
|
|
const base::FilePath& default_path) {
|
|
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
|
|
base::ThreadRestrictions::ScopedAllowIO allow_io;
|
|
|
|
auto* item = download_manager_->GetDownload(download_id);
|
|
if (!item)
|
|
return;
|
|
|
|
NativeWindow* window = nullptr;
|
|
content::WebContents* web_contents =
|
|
content::DownloadItemUtils::GetWebContents(item);
|
|
auto* relay =
|
|
web_contents ? NativeWindowRelay::FromWebContents(web_contents) : nullptr;
|
|
if (relay)
|
|
window = relay->GetNativeWindow();
|
|
|
|
// Show save dialog if save path was not set already on item
|
|
base::FilePath path;
|
|
GetItemSavePath(item, &path);
|
|
if (path.empty()) {
|
|
file_dialog::DialogSettings settings;
|
|
GetItemSaveDialogOptions(item, &settings);
|
|
|
|
if (!settings.parent_window)
|
|
settings.parent_window = window;
|
|
if (settings.title.empty())
|
|
settings.title = item->GetURL().spec();
|
|
if (settings.default_path.empty())
|
|
settings.default_path = default_path;
|
|
|
|
auto* web_preferences = WebContentsPreferences::From(web_contents);
|
|
const bool offscreen =
|
|
!web_preferences || web_preferences->IsEnabled(options::kOffscreen);
|
|
settings.force_detached = offscreen;
|
|
|
|
v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
|
|
v8::HandleScope scope(isolate);
|
|
gin_helper::Promise<gin_helper::Dictionary> dialog_promise(isolate);
|
|
auto dialog_callback = base::BindOnce(
|
|
&ElectronDownloadManagerDelegate::OnDownloadSaveDialogDone,
|
|
base::Unretained(this), download_id, std::move(callback));
|
|
|
|
ignore_result(dialog_promise.Then(std::move(dialog_callback)));
|
|
file_dialog::ShowSaveDialog(settings, std::move(dialog_promise));
|
|
} else {
|
|
std::move(callback).Run(path,
|
|
download::DownloadItem::TARGET_DISPOSITION_PROMPT,
|
|
download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
|
|
item->GetMixedContentStatus(), path, base::nullopt,
|
|
download::DOWNLOAD_INTERRUPT_REASON_NONE);
|
|
}
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::OnDownloadSaveDialogDone(
|
|
uint32_t download_id,
|
|
content::DownloadTargetCallback download_callback,
|
|
gin_helper::Dictionary result) {
|
|
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
|
|
|
|
auto* item = download_manager_->GetDownload(download_id);
|
|
if (!item)
|
|
return;
|
|
|
|
bool canceled = true;
|
|
result.Get("canceled", &canceled);
|
|
|
|
base::FilePath path;
|
|
|
|
if (!canceled) {
|
|
if (result.Get("filePath", &path)) {
|
|
// Remember the last selected download directory.
|
|
last_saved_directory_ = path.DirName();
|
|
|
|
api::DownloadItem* download = api::DownloadItem::FromDownloadItem(item);
|
|
if (download)
|
|
download->SetSavePath(path);
|
|
}
|
|
}
|
|
|
|
// Running the DownloadTargetCallback with an empty FilePath signals that the
|
|
// download should be cancelled. If user cancels the file save dialog, run
|
|
// the callback with empty FilePath.
|
|
const auto interrupt_reason =
|
|
path.empty() ? download::DOWNLOAD_INTERRUPT_REASON_USER_CANCELED
|
|
: download::DOWNLOAD_INTERRUPT_REASON_NONE;
|
|
std::move(download_callback)
|
|
.Run(path, download::DownloadItem::TARGET_DISPOSITION_PROMPT,
|
|
download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
|
|
item->GetMixedContentStatus(), path, base::nullopt,
|
|
interrupt_reason);
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::Shutdown() {
|
|
weak_ptr_factory_.InvalidateWeakPtrs();
|
|
download_manager_ = nullptr;
|
|
}
|
|
|
|
bool ElectronDownloadManagerDelegate::DetermineDownloadTarget(
|
|
download::DownloadItem* download,
|
|
content::DownloadTargetCallback* callback) {
|
|
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
|
|
|
|
if (!download->GetForcedFilePath().empty()) {
|
|
std::move(*callback).Run(
|
|
download->GetForcedFilePath(),
|
|
download::DownloadItem::TARGET_DISPOSITION_OVERWRITE,
|
|
download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
|
|
download::DownloadItem::MixedContentStatus::UNKNOWN,
|
|
download->GetForcedFilePath(), base::nullopt,
|
|
download::DOWNLOAD_INTERRUPT_REASON_NONE);
|
|
return true;
|
|
}
|
|
|
|
// Try to get the save path from JS wrapper.
|
|
base::FilePath save_path;
|
|
GetItemSavePath(download, &save_path);
|
|
if (!save_path.empty()) {
|
|
std::move(*callback).Run(
|
|
save_path, download::DownloadItem::TARGET_DISPOSITION_OVERWRITE,
|
|
download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
|
|
download::DownloadItem::MixedContentStatus::UNKNOWN, save_path,
|
|
base::nullopt, download::DOWNLOAD_INTERRUPT_REASON_NONE);
|
|
return true;
|
|
}
|
|
|
|
auto* browser_context = static_cast<ElectronBrowserContext*>(
|
|
download_manager_->GetBrowserContext());
|
|
base::FilePath default_download_path =
|
|
browser_context->prefs()->GetFilePath(prefs::kDownloadDefaultDirectory);
|
|
|
|
base::ThreadPool::PostTaskAndReplyWithResult(
|
|
FROM_HERE,
|
|
{base::MayBlock(), base::TaskPriority::BEST_EFFORT,
|
|
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN},
|
|
base::BindOnce(&CreateDownloadPath, download->GetURL(),
|
|
download->GetContentDisposition(),
|
|
download->GetSuggestedFilename(), download->GetMimeType(),
|
|
last_saved_directory_, default_download_path),
|
|
base::BindOnce(&ElectronDownloadManagerDelegate::OnDownloadPathGenerated,
|
|
weak_ptr_factory_.GetWeakPtr(), download->GetId(),
|
|
std::move(*callback)));
|
|
return true;
|
|
}
|
|
|
|
bool ElectronDownloadManagerDelegate::ShouldOpenDownload(
|
|
download::DownloadItem* download,
|
|
content::DownloadOpenDelayedCallback callback) {
|
|
return true;
|
|
}
|
|
|
|
void ElectronDownloadManagerDelegate::GetNextId(
|
|
content::DownloadIdCallback callback) {
|
|
static uint32_t next_id = download::DownloadItem::kInvalidId + 1;
|
|
std::move(callback).Run(next_id++);
|
|
}
|
|
|
|
} // namespace electron
|