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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/animation/keyframe_model.h"
#include <algorithm>
#include <cmath>
#include <limits>
#include <string>
#include <utility>
#include "base/memory/ptr_util.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/span_printf.h"
#include "base/strings/stringprintf.h"
#include "base/trace_event/trace_event.h"
#include "cc/trees/target_property.h"
#include "ui/gfx/animation/keyframe/animation_curve.h"
namespace cc {
namespace {
#if DCHECK_IS_ON()
int GetNextDebugId() {
static int g_nextDebugId = 0;
g_nextDebugId++;
return g_nextDebugId;
}
#endif
} // namespace
// static
const KeyframeModel* KeyframeModel::ToCcKeyframeModel(
const gfx::KeyframeModel* keyframe_model) {
return static_cast<const KeyframeModel*>(keyframe_model);
}
// static
KeyframeModel* KeyframeModel::ToCcKeyframeModel(
gfx::KeyframeModel* keyframe_model) {
return static_cast<KeyframeModel*>(keyframe_model);
}
KeyframeModel::TargetPropertyId::TargetPropertyId(int target_property_type)
: target_property_type_(target_property_type),
custom_property_name_(""),
native_property_type_(PaintWorkletInput::NativePropertyType::kInvalid) {}
KeyframeModel::TargetPropertyId::TargetPropertyId(
int target_property_type,
const std::string& custom_property_name)
: target_property_type_(target_property_type),
custom_property_name_(custom_property_name),
native_property_type_(PaintWorkletInput::NativePropertyType::kInvalid) {}
KeyframeModel::TargetPropertyId::TargetPropertyId(
int target_property_type,
PaintWorkletInput::NativePropertyType native_property_type)
: target_property_type_(target_property_type),
custom_property_name_(""),
native_property_type_(native_property_type) {}
KeyframeModel::TargetPropertyId::TargetPropertyId(
const TargetPropertyId& other) = default;
KeyframeModel::TargetPropertyId::TargetPropertyId(TargetPropertyId&& other) =
default;
KeyframeModel::TargetPropertyId::~TargetPropertyId() = default;
KeyframeModel::TargetPropertyId& KeyframeModel::TargetPropertyId::operator=(
TargetPropertyId&& other) = default;
std::unique_ptr<KeyframeModel> KeyframeModel::Create(
std::unique_ptr<gfx::AnimationCurve> curve,
int keyframe_model_id,
int group_id,
TargetPropertyId target_property_id) {
return base::WrapUnique(new KeyframeModel(std::move(curve), keyframe_model_id,
group_id,
std::move(target_property_id)));
}
std::unique_ptr<KeyframeModel> KeyframeModel::CreateImplInstance(
RunState initial_run_state) const {
// Should never clone a model that is the controlling instance as it ends up
// creating multiple controlling instances.
DCHECK(!is_controlling_instance_);
std::unique_ptr<KeyframeModel> to_return(
new KeyframeModel(curve()->Clone(), id(), group_, target_property_id_));
to_return->element_id_ = element_id_;
to_return->ForceRunState(initial_run_state);
to_return->set_iterations(iterations());
to_return->set_iteration_start(iteration_start());
if (has_set_start_time()) {
to_return->set_start_time(start_time());
}
to_return->set_pause_time(pause_time());
to_return->set_total_paused_duration(total_paused_duration());
to_return->set_time_offset(time_offset());
to_return->set_direction(direction());
to_return->set_playback_rate(playback_rate());
to_return->set_fill_mode(fill_mode());
DCHECK(!to_return->is_controlling_instance_);
to_return->is_controlling_instance_ = true;
#if DCHECK_IS_ON()
to_return->debug_id_ = debug_id_;
#endif
return to_return;
}
KeyframeModel::KeyframeModel(std::unique_ptr<gfx::AnimationCurve> curve,
int keyframe_model_id,
int group_id,
TargetPropertyId target_property_id)
: gfx::KeyframeModel(std::move(curve),
keyframe_model_id,
target_property_id.target_property_type()),
group_(group_id),
target_property_id_(std::move(target_property_id)),
#if DCHECK_IS_ON()
debug_id_(GetNextDebugId()),
#endif
needs_synchronized_start_time_(false),
received_finished_event_(false),
is_controlling_instance_(false),
is_impl_only_(false),
affects_active_elements_(true),
affects_pending_elements_(true) {
CHECK_NE(group_, kInvalidGroup);
}
KeyframeModel::~KeyframeModel() = default;
int KeyframeModel::TargetProperty() const {
return target_property_id_.target_property_type();
}
void KeyframeModel::SetRunState(RunState new_run_state,
base::TimeTicks monotonic_time) {
char name_buffer[256];
base::SpanPrintf(name_buffer, "%s-%d-%d", curve()->TypeName(),
TargetProperty(), group_);
bool is_waiting_to_start =
run_state() == WAITING_FOR_TARGET_AVAILABILITY || run_state() == STARTING;
if (is_controlling_instance_ && is_waiting_to_start &&
new_run_state == RUNNING) {
TRACE_EVENT_NESTABLE_ASYNC_BEGIN1("cc", "KeyframeModel",
TRACE_ID_LOCAL(this), "Name",
TRACE_STR_COPY(name_buffer));
}
bool was_finished = is_finished();
auto old_run_state_name = gfx::KeyframeModel::ToString(run_state());
gfx::KeyframeModel::SetRunState(new_run_state, monotonic_time);
auto new_run_state_name = gfx::KeyframeModel::ToString(new_run_state);
if (is_controlling_instance_ && !was_finished && is_finished()) {
TRACE_EVENT_NESTABLE_ASYNC_END0("cc", "KeyframeModel",
TRACE_ID_LOCAL(this));
}
char state_buffer[256];
base::SpanPrintf(state_buffer, "%s->%s", old_run_state_name.c_str(),
new_run_state_name.c_str());
TRACE_EVENT_INSTANT2(
"cc", "ElementAnimations::SetRunState", TRACE_EVENT_SCOPE_THREAD, "Name",
TRACE_STR_COPY(name_buffer), "State", TRACE_STR_COPY(state_buffer));
}
bool KeyframeModel::InEffect(base::TimeTicks monotonic_time) const {
return CalculateActiveTime(monotonic_time).has_value();
}
void KeyframeModel::PushPropertiesTo(KeyframeModel* other) const {
#if DCHECK_IS_ON()
DCHECK_EQ(debug_id_, other->debug_id_)
<< "Attempted to push properties to a model with a mismatched debug id "
"(i.e., different keyframe models). This can happen when keyframe "
"model ids are reused.";
#endif
other->element_id_ = element_id_;
if (run_state() == KeyframeModel::PAUSED ||
other->run_state() == KeyframeModel::PAUSED) {
other->ForceRunState(run_state());
other->set_pause_time(pause_time());
other->set_total_paused_duration(total_paused_duration());
}
}
std::string KeyframeModel::ToString() const {
return base::StringPrintf(
"KeyframeModel{id=%d, group=%d, target_property_type=%d, "
"custom_property_name=%s, native_property_type=%d, run_state=%s, "
"element_id=%s}",
id(), group_, TargetProperty(),
target_property_id_.custom_property_name().c_str(),
static_cast<int>(target_property_id_.native_property_type()),
gfx::KeyframeModel::ToString(run_state()).c_str(),
element_id_.ToString().c_str());
}
void KeyframeModel::SetIsImplOnly() {
is_impl_only_ = true;
// Impl only animations have a single instance which by definition is the
// controlling instance.
is_controlling_instance_ = true;
}
bool KeyframeModel::StartShouldBeDeferred() const {
return needs_synchronized_start_time_;
}
} // namespace cc
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