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// Copyright 2013 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 "chrome/browser/chromeos/file_manager/open_with_browser.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/threading/sequenced_worker_pool.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chromeos/drive/file_system_util.h"
#include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
#include "chrome/browser/chromeos/fileapi/external_file_url_util.h"
#include "chrome/browser/drive/drive_api_util.h"
#include "chrome/browser/plugins/plugin_prefs.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/common/pepper_plugin_info.h"
#include "net/base/filename_util.h"
using content::BrowserThread;
using content::PluginService;
namespace file_manager {
namespace util {
namespace {
const base::FilePath::CharType kPdfExtension[] = FILE_PATH_LITERAL(".pdf");
const base::FilePath::CharType kSwfExtension[] = FILE_PATH_LITERAL(".swf");
// List of file extensions viewable in the browser.
const base::FilePath::CharType* kFileExtensionsViewableInBrowser[] = {
FILE_PATH_LITERAL(".bmp"),
FILE_PATH_LITERAL(".ico"),
FILE_PATH_LITERAL(".jpg"),
FILE_PATH_LITERAL(".jpeg"),
FILE_PATH_LITERAL(".png"),
FILE_PATH_LITERAL(".webp"),
FILE_PATH_LITERAL(".gif"),
FILE_PATH_LITERAL(".txt"),
FILE_PATH_LITERAL(".html"),
FILE_PATH_LITERAL(".htm"),
FILE_PATH_LITERAL(".mhtml"),
FILE_PATH_LITERAL(".mht"),
FILE_PATH_LITERAL(".xhtml"),
FILE_PATH_LITERAL(".xht"),
FILE_PATH_LITERAL(".shtml"),
FILE_PATH_LITERAL(".svg"),
};
// Returns true if |file_path| is viewable in the browser (ex. HTML file).
bool IsViewableInBrowser(const base::FilePath& file_path) {
for (size_t i = 0; i < arraysize(kFileExtensionsViewableInBrowser); i++) {
if (file_path.MatchesExtension(kFileExtensionsViewableInBrowser[i]))
return true;
}
return false;
}
bool IsPepperPluginEnabled(Profile* profile,
const base::FilePath& plugin_path) {
DCHECK(profile);
content::PepperPluginInfo* pepper_info =
PluginService::GetInstance()->GetRegisteredPpapiPluginInfo(plugin_path);
if (!pepper_info)
return false;
scoped_refptr<PluginPrefs> plugin_prefs = PluginPrefs::GetForProfile(profile);
if (!plugin_prefs.get())
return false;
return plugin_prefs->IsPluginEnabled(pepper_info->ToWebPluginInfo());
}
bool IsPdfPluginEnabled(Profile* profile) {
DCHECK(profile);
base::FilePath plugin_path = base::FilePath::FromUTF8Unsafe(
ChromeContentClient::kPDFPluginPath);
return IsPepperPluginEnabled(profile, plugin_path);
}
bool IsFlashPluginEnabled(Profile* profile) {
DCHECK(profile);
base::FilePath plugin_path(
base::CommandLine::ForCurrentProcess()->GetSwitchValueNative(
switches::kPpapiFlashPath));
if (plugin_path.empty())
PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &plugin_path);
return IsPepperPluginEnabled(profile, plugin_path);
}
void OpenNewTab(Profile* profile, const GURL& url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Check the validity of the pointer so that the closure from
// base::Bind(&OpenNewTab, profile) can be passed between threads.
if (!g_browser_process->profile_manager()->IsValidProfile(profile))
return;
chrome::ScopedTabbedBrowserDisplayer displayer(
profile, chrome::HOST_DESKTOP_TYPE_ASH);
chrome::AddSelectedTabWithURL(displayer.browser(), url,
ui::PAGE_TRANSITION_LINK);
// Since the ScopedTabbedBrowserDisplayer does not guarantee that the
// browser will be shown on the active desktop, we ensure the visibility.
multi_user_util::MoveWindowToCurrentDesktop(
displayer.browser()->window()->GetNativeWindow());
}
// Reads the alternate URL from a GDoc file. When it fails, returns a file URL
// for |file_path| as fallback.
// Note that an alternate url is a URL to open a hosted document.
GURL ReadUrlFromGDocOnBlockingPool(const base::FilePath& file_path) {
GURL url = drive::util::ReadUrlFromGDocFile(file_path);
if (url.is_empty())
url = net::FilePathToFileURL(file_path);
return url;
}
} // namespace
bool OpenFileWithBrowser(Profile* profile,
const storage::FileSystemURL& file_system_url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(profile);
const base::FilePath file_path = file_system_url.path();
// For things supported natively by the browser, we should open it
// in a tab.
if (IsViewableInBrowser(file_path) ||
ShouldBeOpenedWithPlugin(profile, file_path.Extension())) {
// Use external file URL if it is provided for the file system.
GURL page_url = chromeos::FileSystemURLToExternalFileURL(file_system_url);
if (page_url.is_empty())
page_url = net::FilePathToFileURL(file_path);
OpenNewTab(profile, page_url);
return true;
}
if (drive::util::HasHostedDocumentExtension(file_path)) {
if (file_manager::util::IsUnderNonNativeLocalPath(profile, file_path)) {
// The file is on a non-native volume. Use external file URL. If the file
// is on the drive volume, ExternalFileURLRequestJob redirects the URL to
// drive's web interface. Otherwise (e.g. MTP, FSP), the file is just
// downloaded in a browser tab.
const GURL url =
chromeos::FileSystemURLToExternalFileURL(file_system_url);
DCHECK(!url.is_empty());
OpenNewTab(profile, url);
} else {
// The file is local (downloaded from an attachment or otherwise copied).
// Parse the file to extract the Docs url and open this url.
base::PostTaskAndReplyWithResult(
BrowserThread::GetBlockingPool(),
FROM_HERE,
base::Bind(&ReadUrlFromGDocOnBlockingPool, file_path),
base::Bind(&OpenNewTab, profile));
}
return true;
}
// Failed to open the file of unknown type.
LOG(WARNING) << "Unknown file type: " << file_path.value();
return false;
}
// If a bundled plugin is enabled, we should open pdf/swf files in a tab.
bool ShouldBeOpenedWithPlugin(
Profile* profile,
const base::FilePath::StringType& file_extension) {
DCHECK(profile);
const base::FilePath file_path =
base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
if (file_path.MatchesExtension(kPdfExtension))
return IsPdfPluginEnabled(profile);
if (file_path.MatchesExtension(kSwfExtension))
return IsFlashPluginEnabled(profile);
return false;
}
} // namespace util
} // namespace file_manager
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