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// Copyright (c) 2012 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.
#ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_PREFS_H_
#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_PREFS_H_
#include <memory>
#include <set>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "components/prefs/pref_member.h"
class Profile;
class TrustedSourcesManager;
namespace content {
class BrowserContext;
class DownloadItem;
class DownloadManager;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
// Stores all download-related preferences.
class DownloadPrefs {
public:
enum class DownloadRestriction {
NONE = 0,
DANGEROUS_FILES = 1,
POTENTIALLY_DANGEROUS_FILES = 2,
ALL_FILES = 3,
};
explicit DownloadPrefs(Profile* profile);
~DownloadPrefs();
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// Returns the default download directory.
static const base::FilePath& GetDefaultDownloadDirectory();
// Returns the default download directory for the current profile.
base::FilePath GetDefaultDownloadDirectoryForProfile() const;
// Returns the DownloadPrefs corresponding to the given DownloadManager
// or BrowserContext.
static DownloadPrefs* FromDownloadManager(
content::DownloadManager* download_manager);
static DownloadPrefs* FromBrowserContext(
content::BrowserContext* browser_context);
// Identify whether the downloaded item was downloaded from a trusted source.
bool IsFromTrustedSource(const content::DownloadItem& item);
base::FilePath DownloadPath() const;
void SetDownloadPath(const base::FilePath& path);
base::FilePath SaveFilePath() const;
void SetSaveFilePath(const base::FilePath& path);
int save_file_type() const { return *save_file_type_; }
void SetSaveFileType(int type);
DownloadRestriction download_restriction() const {
return static_cast<DownloadRestriction>(*download_restriction_);
}
bool safebrowsing_for_trusted_sources_enabled() const {
return *safebrowsing_for_trusted_sources_enabled_;
}
// Returns true if the prompt_for_download preference has been set and the
// download location is not managed (which means the user shouldn't be able
// to choose another download location).
bool PromptForDownload() const;
// Returns true if the download path preference is managed.
bool IsDownloadPathManaged() const;
// Returns true if there is at least one file extension registered
// for auto-open.
bool IsAutoOpenUsed() const;
// Returns true if |path| should be opened automatically based on
// |path.Extension()|.
bool IsAutoOpenEnabledBasedOnExtension(const base::FilePath& path) const;
// Enables automatically opening all downloads with the same file type as
// |file_name|. Returns true on success. The call may fail if |file_name|
// either doesn't have an extension (hence the file type cannot be
// determined), or if the file type is one that is disallowed from being
// opened automatically. See IsAllowedToOpenAutomatically() for details on the
// latter.
bool EnableAutoOpenBasedOnExtension(const base::FilePath& file_name);
// Disables auto-open based on file extension.
void DisableAutoOpenBasedOnExtension(const base::FilePath& file_name);
#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX)
// Store the user preference to disk. If |should_open| is true, also disable
// the built-in PDF plugin. If |should_open| is false, enable the PDF plugin.
void SetShouldOpenPdfInSystemReader(bool should_open);
// Return whether the user prefers to open PDF downloads in the platform's
// default reader.
bool ShouldOpenPdfInSystemReader() const;
#endif
void ResetAutoOpen();
private:
void SaveAutoOpenState();
Profile* profile_;
BooleanPrefMember prompt_for_download_;
FilePathPrefMember download_path_;
FilePathPrefMember save_file_path_;
IntegerPrefMember save_file_type_;
IntegerPrefMember download_restriction_;
BooleanPrefMember safebrowsing_for_trusted_sources_enabled_;
// To identify if a download URL is from a trusted source.
std::unique_ptr<TrustedSourcesManager> trusted_sources_manager_;
// Set of file extensions to open at download completion.
struct AutoOpenCompareFunctor {
bool operator()(const base::FilePath::StringType& a,
const base::FilePath::StringType& b) const;
};
typedef std::set<base::FilePath::StringType,
AutoOpenCompareFunctor> AutoOpenSet;
AutoOpenSet auto_open_;
#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX)
bool should_open_pdf_in_system_reader_;
#endif
DISALLOW_COPY_AND_ASSIGN(DownloadPrefs);
};
#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_PREFS_H_