1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
content / public / browser / xr_install_helper.h [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_XR_INSTALL_HELPER_H_
#define CONTENT_PUBLIC_BROWSER_XR_INSTALL_HELPER_H_
#include "base/functional/callback_forward.h"
#include "content/common/content_export.h"
namespace content {
// Interface class to provide the opportunity for runtimes to ensure that any
// necessary installation steps that need to occur from within the browser
// process are kicked off. This is acquired via the |XrInstallHelperFactory|.
// Generally, these steps are specific per runtime, so likely this should be
// implemented for each runtime that has browser-specific installation steps.
// This should be implemented by embedders.
class CONTENT_EXPORT XrInstallHelper {
public:
virtual ~XrInstallHelper() = default;
XrInstallHelper(const XrInstallHelper&) = delete;
XrInstallHelper& operator=(const XrInstallHelper&) = delete;
// Triggers checks and appropriate installation requests for any runtime
// dependencies that need to be installed from the browser process.
// render_process_id and render_frame_id are passed in case any tab specific
// UI needs to be shown.
// The callback should be guaranteed to run in the event that that the object
// is destroyed, and should return whether or not the runtime was able to be
// successfully installed (or verified to already be installed).
virtual void EnsureInstalled(
int render_process_id,
int render_frame_id,
base::OnceCallback<void(bool installed)> install_callback) = 0;
protected:
XrInstallHelper() = default;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_XR_INSTALL_HELPER_H_