blob: 6ff35095bc1e3b9c36c4bd25af1d942d5a8151df (
plain)
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright 2014 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 CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_
#define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/optional.h"
#include "content/common/content_export.h"
#include "content/public/browser/web_contents_binding_set.h"
#include "content/public/browser/web_contents_observer.h"
#include "services/device/public/mojom/screen_orientation.mojom.h"
#include "services/device/public/mojom/screen_orientation_lock_types.mojom.h"
#include "third_party/blink/public/platform/modules/screen_orientation/web_screen_orientation_lock_type.h"
namespace content {
class ScreenOrientationDelegate;
class WebContents;
// Handles screen orientation lock/unlock. Platforms which wish to provide
// custom implementations can provide a factory for ScreenOrientationDelegate.
class CONTENT_EXPORT ScreenOrientationProvider
: public device::mojom::ScreenOrientation,
public WebContentsObserver {
public:
ScreenOrientationProvider(WebContents* web_contents);
~ScreenOrientationProvider() override;
// device::mojom::ScreenOrientation:
void LockOrientation(blink::WebScreenOrientationLockType orientation,
LockOrientationCallback callback) override;
void UnlockOrientation() override;
// Inform about a screen orientation update. It is called to let the provider
// know if a lock has been resolved.
void OnOrientationChange();
// Provide a delegate which creates delegates for platform implementations.
// The delegate is not owned by ScreenOrientationProvider.
static void SetDelegate(ScreenOrientationDelegate* delegate_);
// WebContentsObserver
void DidToggleFullscreenModeForTab(bool entered_fullscreen,
bool will_cause_resize) override;
void DidFinishNavigation(NavigationHandle* navigation_handle) override;
private:
// Calls on |on_result_callback_| with |result|, followed by resetting
// |on_result_callback_| and |pending_lock_orientation_|.
void NotifyLockResult(device::mojom::ScreenOrientationLockResult result);
// Returns the lock type that should be associated with 'natural' lock.
// Returns WebScreenOrientationLockDefault if the natural lock type can't be
// found.
blink::WebScreenOrientationLockType GetNaturalLockType() const;
// Whether the passed |lock| matches the current orientation. In other words,
// whether the orientation will need to change to match the |lock|.
bool LockMatchesCurrentOrientation(blink::WebScreenOrientationLockType lock);
// Not owned, responsible for platform implementations.
static ScreenOrientationDelegate* delegate_;
// Whether the ScreenOrientationProvider currently has a lock applied.
bool lock_applied_;
// Lock that require orientation changes are not completed until
// OnOrientationChange.
base::Optional<blink::WebScreenOrientationLockType> pending_lock_orientation_;
LockOrientationCallback pending_callback_;
WebContentsFrameBindingSet<device::mojom::ScreenOrientation> bindings_;
DISALLOW_COPY_AND_ASSIGN(ScreenOrientationProvider);
};
} // namespace content
#endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_
|
