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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// Copyright 2015 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_LOCATION_ANDROID_LOCATION_SETTINGS_H_
#define COMPONENTS_LOCATION_ANDROID_LOCATION_SETTINGS_H_
#include "base/functional/callback.h"
#include "components/location/android/location_settings_dialog_context.h"
#include "components/location/android/location_settings_dialog_outcome.h"
namespace ui {
class WindowAndroid;
}
// This class determines whether Chrome can access the device's location,
// i.e. whether location is enabled system-wide on the device.
class LocationSettings {
public:
virtual ~LocationSettings() = default;
// Returns true if Chrome has any permission to access location.
virtual bool HasAndroidLocationPermission() = 0;
// Returns true if Chrome has permission to access precise location.
virtual bool HasAndroidFineLocationPermission() = 0;
// Returns true if Chrome can prompt to get location permission.
virtual bool CanPromptForAndroidLocationPermission(
ui::WindowAndroid* window) = 0;
// Returns true if the system location is enabled.
virtual bool IsSystemLocationSettingEnabled() = 0;
// Returns true iff a prompt can be triggered to ask the user to turn on the
// system location setting on their device.
// In particular, returns false if the system location setting is already
// enabled or if some of the features required to trigger a system location
// setting prompt are not available.
virtual bool CanPromptToEnableSystemLocationSetting() = 0;
typedef base::OnceCallback<void(LocationSettingsDialogOutcome)>
LocationSettingsDialogOutcomeCallback;
// Triggers a prompt to ask the user to turn on the system location setting on
// their device, and returns the outcome of the prompt via a callback.
//
// The prompt will be triggered in the activity of the web contents.
//
// The callback is guaranteed to be called unless the user never replies to
// the prompt dialog, which in practice happens very infrequently since the
// dialog is modal.
//
// The callback may be invoked a long time after this method has returned.
// If you need to access in the callback an object that is not owned by the
// callback, you should ensure that the object has not been destroyed before
// accessing it to prevent crashes, e.g. by using weak pointer semantics.
virtual void PromptToEnableSystemLocationSetting(
const LocationSettingsDialogContext prompt_context,
ui::WindowAndroid* window,
LocationSettingsDialogOutcomeCallback callback) = 0;
};
#endif // COMPONENTS_LOCATION_ANDROID_LOCATION_SETTINGS_H_
|
