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
86
87
88
89
90
91
92
93
94
95
96
97
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_BrowserElementAudioChannels_h
#define mozilla_dom_BrowserElementAudioChannels_h
#include "mozilla/dom/AudioChannelBinding.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIObserver.h"
#include "nsIFrameLoader.h"
#include "nsWeakReference.h"
#include "nsWrapperCache.h"
class nsIBrowserElementAPI;
class nsITabParent;
class nsPIDOMWindowOuter;
namespace mozilla {
namespace dom {
class DOMRequest;
class BrowserElementAudioChannel final : public DOMEventTargetHelper
, public nsSupportsWeakReference
, public nsIObserver
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BrowserElementAudioChannel,
DOMEventTargetHelper)
static already_AddRefed<BrowserElementAudioChannel>
Create(nsPIDOMWindowInner* aWindow,
nsIFrameLoader* aFrameLoader,
nsIBrowserElementAPI* aAPI,
AudioChannel aAudioChannel,
ErrorResult& aRv);
// WebIDL methods
virtual JSObject* WrapObject(JSContext *aCx,
JS::Handle<JSObject*> aGivenProto) override;
AudioChannel Name() const;
already_AddRefed<dom::DOMRequest> GetVolume(ErrorResult& aRv);
already_AddRefed<dom::DOMRequest> SetVolume(float aVolume, ErrorResult& aRv);
already_AddRefed<dom::DOMRequest> GetMuted(ErrorResult& aRv);
already_AddRefed<dom::DOMRequest> SetMuted(bool aMuted, ErrorResult& aRv);
already_AddRefed<dom::DOMRequest> IsActive(ErrorResult& aRv);
IMPL_EVENT_HANDLER(activestatechanged);
private:
BrowserElementAudioChannel(nsPIDOMWindowInner* aWindow,
nsIFrameLoader* aFrameLoader,
nsIBrowserElementAPI* aAPI,
AudioChannel aAudioChannel);
bool IsSystemAppWindow(nsPIDOMWindowOuter* aWindow) const;
// This method is used to check whether we're in the nested-mozbrower-frame
// situation, see bug1214148.
nsresult IsFromNestedFrame(nsISupports* aSubject,
bool& aIsNested) const;
~BrowserElementAudioChannel();
nsresult Initialize();
void ProcessStateChanged(const char16_t* aData);
nsCOMPtr<nsIFrameLoader> mFrameLoader;
nsCOMPtr<nsIBrowserElementAPI> mBrowserElementAPI;
nsCOMPtr<nsITabParent> mTabParent;
nsCOMPtr<nsPIDOMWindowOuter> mFrameWindow;
AudioChannel mAudioChannel;
enum {
eStateActive,
eStateInactive,
eStateUnknown
} mState;
};
} // dom namespace
} // mozilla namespace
#endif // mozilla_dom_BrowserElementAudioChannels_h
|
