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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/animation/animatable.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_get_animations_options.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_keyframe_animation_options.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_timeline_range.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_timeline_range_offset.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_union_keyframeanimationoptions_unrestricteddouble.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_union_keyframeeffectoptions_unrestricteddouble.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_union_string_timelinerangeoffset.h"
#include "third_party/blink/renderer/core/animation/animation.h"
#include "third_party/blink/renderer/core/animation/document_animations.h"
#include "third_party/blink/renderer/core/animation/document_timeline.h"
#include "third_party/blink/renderer/core/animation/effect_input.h"
#include "third_party/blink/renderer/core/animation/effect_model.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect_model.h"
#include "third_party/blink/renderer/core/animation/timing.h"
#include "third_party/blink/renderer/core/animation/timing_input.h"
#include "third_party/blink/renderer/core/css/parser/css_parser.h"
#include "third_party/blink/renderer/core/css/resolver/css_to_style_map.h"
#include "third_party/blink/renderer/core/css/resolver/style_resolver_state.h"
#include "third_party/blink/renderer/core/css/style_sheet_contents.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/geometry/calculation_value.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
namespace blink {
namespace {
V8UnionKeyframeEffectOptionsOrUnrestrictedDouble* CoerceEffectOptions(
const V8UnionKeyframeAnimationOptionsOrUnrestrictedDouble* options) {
switch (options->GetContentType()) {
case V8UnionKeyframeAnimationOptionsOrUnrestrictedDouble::ContentType::
kKeyframeAnimationOptions:
return MakeGarbageCollected<
V8UnionKeyframeEffectOptionsOrUnrestrictedDouble>(
options->GetAsKeyframeAnimationOptions());
case V8UnionKeyframeAnimationOptionsOrUnrestrictedDouble::ContentType::
kUnrestrictedDouble:
return MakeGarbageCollected<
V8UnionKeyframeEffectOptionsOrUnrestrictedDouble>(
options->GetAsUnrestrictedDouble());
}
NOTREACHED();
}
} // namespace
// https://w3.org/TR/web-animations-1/#dom-animatable-animate
Animation* Animatable::animate(
ScriptState* script_state,
const ScriptValue& keyframes,
const V8UnionKeyframeAnimationOptionsOrUnrestrictedDouble* options,
ExceptionState& exception_state) {
if (!script_state->ContextIsValid())
return nullptr;
Element* element = GetAnimationTarget();
if (!element->GetExecutionContext())
return nullptr;
KeyframeEffect* effect =
KeyframeEffect::Create(script_state, element, keyframes,
CoerceEffectOptions(options), exception_state);
if (exception_state.HadException())
return nullptr;
// Creation of the keyframe effect parses JavaScript, which could result
// in destruction of the execution context. Recheck that it is still valid.
if (!element->GetExecutionContext())
return nullptr;
if (!options->IsKeyframeAnimationOptions())
return element->GetDocument().Timeline().Play(effect, exception_state);
Animation* animation;
const KeyframeAnimationOptions* options_dict =
options->GetAsKeyframeAnimationOptions();
if (!options_dict->hasTimeline()) {
animation = element->GetDocument().Timeline().Play(effect, exception_state);
} else if (AnimationTimeline* timeline = options_dict->timeline()) {
animation = timeline->Play(effect, exception_state);
} else {
animation = Animation::Create(element->GetExecutionContext(), effect,
nullptr, exception_state);
}
if (!animation)
return nullptr;
animation->setId(options_dict->id());
// ViewTimeline options.
if (options_dict->hasRangeStart()) {
animation->SetRangeStartInternal(TimelineOffset::Create(
element, options_dict->rangeStart(), 0, exception_state));
}
if (options_dict->hasRangeEnd()) {
animation->SetRangeEndInternal(TimelineOffset::Create(
element, options_dict->rangeEnd(), 100, exception_state));
}
return animation;
}
// https://w3.org/TR/web-animations-1/#dom-animatable-animate
Animation* Animatable::animate(ScriptState* script_state,
const ScriptValue& keyframes,
ExceptionState& exception_state) {
if (!script_state->ContextIsValid())
return nullptr;
Element* element = GetAnimationTarget();
if (!element->GetExecutionContext())
return nullptr;
KeyframeEffect* effect =
KeyframeEffect::Create(script_state, element, keyframes, exception_state);
if (exception_state.HadException())
return nullptr;
// Creation of the keyframe effect parses JavaScript, which could result
// in destruction of the execution context. Recheck that it is still valid.
if (!element->GetExecutionContext())
return nullptr;
return element->GetDocument().Timeline().Play(effect, exception_state);
}
// https://w3.org/TR/web-animations-1/#dom-animatable-getanimations
HeapVector<Member<Animation>> Animatable::getAnimations(
GetAnimationsOptions* options) {
bool use_subtree = options && options->subtree();
return GetAnimationsInternal(
GetAnimationsOptionsResolved{.use_subtree = use_subtree});
}
HeapVector<Member<Animation>> Animatable::GetAnimationsInternal(
GetAnimationsOptionsResolved options) {
Element* element = GetAnimationTarget();
if (options.use_subtree) {
element->GetDocument().UpdateStyleAndLayoutTreeForSubtree(
element, DocumentUpdateReason::kWebAnimation);
} else {
element->GetDocument().UpdateStyleAndLayoutTreeForElement(
element, DocumentUpdateReason::kWebAnimation);
}
HeapVector<Member<Animation>> animations;
if (!options.use_subtree && !element->HasAnimations())
return animations;
for (const auto& animation :
element->GetDocument().GetDocumentAnimations().getAnimations(
element->GetTreeScope())) {
DCHECK(animation->effect());
// TODO(gtsteel) make this use the idl properties
Element* target = To<KeyframeEffect>(animation->effect())->EffectTarget();
if (element == target ||
(options.use_subtree && element->contains(target))) {
// DocumentAnimations::getAnimations should only give us animations that
// are either current or in effect.
DCHECK(animation->effect()->IsCurrent() ||
animation->effect()->IsInEffect() || animation->CanBeTriggered());
animations.push_back(animation);
}
}
return animations;
}
} // namespace blink
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