summaryrefslogtreecommitdiff
path: root/dom/animation/KeyframeEffect.cpp
blob: 32f6bd1a10a28edaa7f7d7745cd94268a8673fa9 (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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#include "mozilla/dom/KeyframeEffect.h"

#include "mozilla/dom/KeyframeAnimationOptionsBinding.h"
  // For UnrestrictedDoubleOrKeyframeAnimationOptions
#include "mozilla/dom/AnimationEffectTiming.h"
#include "mozilla/dom/KeyframeEffectBinding.h"
#include "mozilla/KeyframeUtils.h"
#include "nsContentUtils.h"
#include "nsDOMMutationObserver.h" // For nsAutoAnimationMutationBatch
#include "nsIScriptError.h"

namespace mozilla {
namespace dom {

KeyframeEffect::KeyframeEffect(nsIDocument* aDocument,
                               const Maybe<OwningAnimationTarget>& aTarget,
                               const TimingParams& aTiming,
                               const KeyframeEffectParams& aOptions)
  : KeyframeEffectReadOnly(aDocument, aTarget,
                           new AnimationEffectTiming(aDocument, aTiming, this),
                           aOptions)
{
}

JSObject*
KeyframeEffect::WrapObject(JSContext* aCx,
                           JS::Handle<JSObject*> aGivenProto)
{
  return KeyframeEffectBinding::Wrap(aCx, this, aGivenProto);
}

/* static */ already_AddRefed<KeyframeEffect>
KeyframeEffect::Constructor(
    const GlobalObject& aGlobal,
    const Nullable<ElementOrCSSPseudoElement>& aTarget,
    JS::Handle<JSObject*> aKeyframes,
    const UnrestrictedDoubleOrKeyframeEffectOptions& aOptions,
    ErrorResult& aRv)
{
  return ConstructKeyframeEffect<KeyframeEffect>(aGlobal, aTarget, aKeyframes,
                                                 aOptions, aRv);
}

/* static */ already_AddRefed<KeyframeEffect>
KeyframeEffect::Constructor(const GlobalObject& aGlobal,
                            KeyframeEffectReadOnly& aSource,
                            ErrorResult& aRv)
{
  return ConstructKeyframeEffect<KeyframeEffect>(aGlobal, aSource, aRv);
}

/* static */ already_AddRefed<KeyframeEffect>
KeyframeEffect::Constructor(
    const GlobalObject& aGlobal,
    const Nullable<ElementOrCSSPseudoElement>& aTarget,
    JS::Handle<JSObject*> aKeyframes,
    const UnrestrictedDoubleOrKeyframeAnimationOptions& aOptions,
    ErrorResult& aRv)
{
  return ConstructKeyframeEffect<KeyframeEffect>(aGlobal, aTarget, aKeyframes,
                                                 aOptions, aRv);
}

void
KeyframeEffect::NotifySpecifiedTimingUpdated()
{
  // Use the same document for a pseudo element and its parent element.
  // Use nullptr if we don't have mTarget, so disable the mutation batch.
  nsAutoAnimationMutationBatch mb(mTarget ? mTarget->mElement->OwnerDoc()
                                          : nullptr);

  if (mAnimation) {
    mAnimation->NotifyEffectTimingUpdated();

    if (mAnimation->IsRelevant()) {
      nsNodeUtils::AnimationChanged(mAnimation);
    }

    RequestRestyle(EffectCompositor::RestyleType::Layer);
  }
}

void
KeyframeEffect::SetTarget(const Nullable<ElementOrCSSPseudoElement>& aTarget)
{
  Maybe<OwningAnimationTarget> newTarget = ConvertTarget(aTarget);
  if (mTarget == newTarget) {
    // Assign the same target, skip it.
    return;
  }

  if (mTarget) {
    UnregisterTarget();
    ResetIsRunningOnCompositor();

    RequestRestyle(EffectCompositor::RestyleType::Layer);

    nsAutoAnimationMutationBatch mb(mTarget->mElement->OwnerDoc());
    if (mAnimation) {
      nsNodeUtils::AnimationRemoved(mAnimation);
    }
  }

  mTarget = newTarget;

  if (mTarget) {
    UpdateTargetRegistration();
    RefPtr<nsStyleContext> styleContext = GetTargetStyleContext();
    if (styleContext) {
      UpdateProperties(styleContext);
    } else if (mEffectOptions.mSpacingMode == SpacingMode::paced) {
      KeyframeUtils::ApplyDistributeSpacing(mKeyframes);
    }

    MaybeUpdateFrameForCompositor();

    RequestRestyle(EffectCompositor::RestyleType::Layer);

    nsAutoAnimationMutationBatch mb(mTarget->mElement->OwnerDoc());
    if (mAnimation) {
      nsNodeUtils::AnimationAdded(mAnimation);
    }
  } else if (mEffectOptions.mSpacingMode == SpacingMode::paced) {
    // New target is null, so fall back to distribute spacing.
    KeyframeUtils::ApplyDistributeSpacing(mKeyframes);
  }
}

void
KeyframeEffect::SetIterationComposite(
  const IterationCompositeOperation& aIterationComposite)
{
  // Ignore iterationComposite if the Web Animations API is not enabled,
  // then the default value 'Replace' will be used.
  if (!AnimationUtils::IsCoreAPIEnabledForCaller()) {
    return;
  }

  if (mEffectOptions.mIterationComposite == aIterationComposite) {
    return;
  }

  if (mAnimation && mAnimation->IsRelevant()) {
    nsNodeUtils::AnimationChanged(mAnimation);
  }

  mEffectOptions.mIterationComposite = aIterationComposite;
  RequestRestyle(EffectCompositor::RestyleType::Layer);
}

void
KeyframeEffect::SetSpacing(JSContext* aCx,
                           const nsAString& aSpacing,
                           ErrorResult& aRv)
{
  SpacingMode spacingMode = SpacingMode::distribute;
  nsCSSPropertyID pacedProperty = eCSSProperty_UNKNOWN;
  nsAutoString invalidPacedProperty;
  KeyframeEffectParams::ParseSpacing(aSpacing,
                                     spacingMode,
                                     pacedProperty,
                                     invalidPacedProperty,
                                     aRv);
  if (aRv.Failed()) {
    return;
  }

  if (!invalidPacedProperty.IsEmpty()) {
    const char16_t* params[] = { invalidPacedProperty.get() };
    nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aCx);
    nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
                                    NS_LITERAL_CSTRING("Animation"),
                                    doc,
                                    nsContentUtils::eDOM_PROPERTIES,
                                    "UnanimatablePacedProperty",
                                    params, ArrayLength(params));
  }

  if (mEffectOptions.mSpacingMode == spacingMode &&
      mEffectOptions.mPacedProperty == pacedProperty) {
    return;
  }

  mEffectOptions.mSpacingMode = spacingMode;
  mEffectOptions.mPacedProperty = pacedProperty;

  // Apply spacing. We apply distribute here. If the new spacing is paced,
  // UpdateProperties() will apply it.
  if (mEffectOptions.mSpacingMode == SpacingMode::distribute) {
    KeyframeUtils::ApplyDistributeSpacing(mKeyframes);
  }

  if (mAnimation && mAnimation->IsRelevant()) {
    nsNodeUtils::AnimationChanged(mAnimation);
  }

  if (mTarget) {
    RefPtr<nsStyleContext> styleContext = GetTargetStyleContext();
    if (styleContext) {
      UpdateProperties(styleContext);
    }
  }
}

} // namespace dom
} // namespace mozilla