forked from mozilla/gecko-dev
-
Notifications
You must be signed in to change notification settings - Fork 2
/
DynamicImage.h
77 lines (60 loc) · 2.55 KB
/
DynamicImage.h
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
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_IMAGELIB_DYNAMICIMAGE_H_
#define MOZILLA_IMAGELIB_DYNAMICIMAGE_H_
#include "mozilla/MemoryReporting.h"
#include "gfxDrawable.h"
#include "Image.h"
namespace mozilla {
namespace image {
/**
* An Image that is dynamically created. The content of the image is provided by
* a gfxDrawable. It's anticipated that most uses of DynamicImage will be
* ephemeral.
*/
class DynamicImage : public Image
{
public:
NS_DECL_ISUPPORTS
NS_DECL_IMGICONTAINER
explicit DynamicImage(gfxDrawable* aDrawable)
: mDrawable(aDrawable)
{
MOZ_ASSERT(aDrawable, "Must have a gfxDrawable to wrap");
}
// Inherited methods from Image.
virtual nsresult Init(const char* aMimeType, uint32_t aFlags) MOZ_OVERRIDE;
virtual already_AddRefed<ProgressTracker> GetProgressTracker() MOZ_OVERRIDE;
virtual size_t SizeOfSourceWithComputedFallback(
MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
virtual size_t SizeOfDecoded(gfxMemoryLocation aLocation,
MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
virtual void IncrementAnimationConsumers() MOZ_OVERRIDE;
virtual void DecrementAnimationConsumers() MOZ_OVERRIDE;
#ifdef DEBUG
virtual uint32_t GetAnimationConsumers() MOZ_OVERRIDE;
#endif
virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
nsISupports* aContext,
nsIInputStream* aInStr,
uint64_t aSourceOffset,
uint32_t aCount) MOZ_OVERRIDE;
virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
nsISupports* aContext,
nsresult aStatus,
bool aLastPart) MOZ_OVERRIDE;
virtual void OnSurfaceDiscarded() MOZ_OVERRIDE;
virtual void SetInnerWindowID(uint64_t aInnerWindowId) MOZ_OVERRIDE;
virtual uint64_t InnerWindowID() const MOZ_OVERRIDE;
virtual bool HasError() MOZ_OVERRIDE;
virtual void SetHasError() MOZ_OVERRIDE;
virtual ImageURL* GetURI() MOZ_OVERRIDE;
private:
virtual ~DynamicImage() { }
nsRefPtr<gfxDrawable> mDrawable;
};
} // namespace image
} // namespace mozilla
#endif // MOZILLA_IMAGELIB_DYNAMICIMAGE_H_