electron/atom/browser/api/save_page_handler.cc

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2015-10-14 04:41:31 +00:00
// 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 "atom/browser/api/save_page_handler.h"
#include <string>
#include "atom/browser/atom_browser_context.h"
#include "base/callback.h"
#include "base/files/file_path.h"
#include "content/public/browser/web_contents.h"
namespace atom {
namespace api {
SavePageHandler::SavePageHandler(content::WebContents* web_contents,
const SavePageCallback& callback)
: web_contents_(web_contents),
callback_(callback) {
}
SavePageHandler::~SavePageHandler() {
}
void SavePageHandler::OnDownloadCreated(content::DownloadManager* manager,
content::DownloadItem* item) {
// OnDownloadCreated is invoked during WebContents::SavePage, so the |item|
// here is the one stated by WebContents::SavePage.
item->AddObserver(this);
}
bool SavePageHandler::Handle(const base::FilePath& full_path,
const content::SavePageType& save_type) {
auto download_manager = content::BrowserContext::GetDownloadManager(
web_contents_->GetBrowserContext());
download_manager->AddObserver(this);
bool result = web_contents_->SavePage(full_path,
full_path.DirName(),
save_type);
download_manager->RemoveObserver(this);
// If initialization fails which means fail to create |DownloadItem|, we need
// to delete the |SavePageHandler| instance to avoid memory-leak.
if (!result)
delete this;
return result;
}
void SavePageHandler::OnDownloadUpdated(content::DownloadItem* item) {
if (item->IsDone()) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
v8::Locker locker(isolate);
v8::HandleScope handle_scope(isolate);
if (item->GetState() == content::DownloadItem::COMPLETE) {
callback_.Run(v8::Null(isolate));
} else {
v8::Local<v8::String> error_message = v8::String::NewFromUtf8(
isolate, "Fail to save page");
callback_.Run(v8::Exception::Error(error_message));
}
Destroy(item);
}
}
void SavePageHandler::Destroy(content::DownloadItem* item) {
item->RemoveObserver(this);
delete this;
}
// static
bool SavePageHandler::IsSavePageTypes(const std::string& type) {
return type == "multipart/related" || type == "text/html";
}
} // namespace api
} // namespace atom