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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_
#define COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_
#include <string>
#include "base/functional/callback_forward.h"
#include "content/public/browser/browser_ppapi_host.h"
class GURL;
namespace base {
class FilePath;
}
namespace ppapi {
namespace host {
class HostFactory;
}
}
// Encapsulates the dependencies of NaCl code on chrome/, to avoid a direct
// dependency on chrome/. All methods should be called on the IO thread unless
// otherwise noted.
class NaClBrowserDelegate {
public:
virtual ~NaClBrowserDelegate() = default;
// Show an infobar to the user to indicate the client architecture was not
// covered by the manifest.
virtual void ShowMissingArchInfobar(int render_process_id,
int render_frame_id) = 0;
// Returns whether dialogs are allowed. This is used to decide if to add the
// command line switch kNoErrorDialogs.
virtual bool DialogsAreSuppressed() = 0;
// Returns true on success, false otherwise. On success |cache_dir| contains
// the cache directory. On failure, it is not changed.
virtual bool GetCacheDirectory(base::FilePath* cache_dir) = 0;
// Returns true on success, false otherwise. On success |plugin_dir| contains
// the directory where the plugins are located. On failure, it is not
// changed.
virtual bool GetPluginDirectory(base::FilePath* plugin_dir) = 0;
// Returns true on success, false otherwise. On success |pnacl_dir| contains
// the directory where the PNaCl files are located. On failure, it is not
// changed.
virtual bool GetPnaclDirectory(base::FilePath* pnacl_dir) = 0;
// Returns true on success, false otherwise. On success |user_dir| contains
// the user data directory. On failure, it is not changed.
virtual bool GetUserDirectory(base::FilePath* user_dir) = 0;
// Returns the version as a string. This string is used to invalidate
// validator cache entries when Chromium is upgraded
virtual std::string GetVersionString() const = 0;
// Returns a HostFactory that hides the details of its embedder.
virtual ppapi::host::HostFactory* CreatePpapiHostFactory(
content::BrowserPpapiHost* ppapi_host) = 0;
// Returns true on success, false otherwise. On success, map |url| to a
// full pathname of a file in the local filesystem. |file_path| should not be
// changed on failure. This mapping should be a best effort, for example,
// "chrome-extension:" could be mapped to the location of unpacked
// extensions. If this method is called in a blocking thread you should set
// |use_blocking_api| to true, so calling blocking file API is allowed
// otherwise non blocking API will be used (which only handles a subset of the
// urls checking only the url scheme against kExtensionScheme).
using MapUrlToLocalFilePathCallback = base::RepeatingCallback<
bool(const GURL& url, bool use_blocking_api, base::FilePath* file_path)>;
// Returns a MapUrlToLocalFilePathCallback that can be called on any thread.
// Must be called on the UI thread.
virtual MapUrlToLocalFilePathCallback GetMapUrlToLocalFilePathCallback(
const base::FilePath& profile_directory) = 0;
// Set match patterns which will be checked before enabling debug stub.
virtual void SetDebugPatterns(const std::string& debug_patterns) = 0;
// Returns whether NaCl application with this manifest URL should be debugged.
virtual bool URLMatchesDebugPatterns(const GURL& manifest_url) = 0;
};
#endif // COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_
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