blob: 0068b6bad6908faaffb462adab6465bbed2adae8 [file] [log] [blame]
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/animation/animation_delegate_views.h"
#include "ui/gfx/animation/animation_container.h"
#include "ui/views/animation/compositor_animation_runner.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace views {
AnimationDelegateViews::AnimationDelegateViews(View* view) : view_(view) {
scoped_observer_.Add(view);
}
AnimationDelegateViews::~AnimationDelegateViews() {
// Reset the delegate so that we don't attempt to notify our observer from
// the destructor.
if (container_)
container_->set_observer(nullptr);
}
void AnimationDelegateViews::AnimationContainerWasSet(
gfx::AnimationContainer* container) {
if (container_ == container)
return;
if (container_)
container_->set_observer(nullptr);
container_ = container;
container_->set_observer(this);
UpdateAnimationRunner();
}
void AnimationDelegateViews::OnViewAddedToWidget(View* observed_view) {
UpdateAnimationRunner();
}
void AnimationDelegateViews::OnViewRemovedFromWidget(View* observed_view) {
UpdateAnimationRunner();
}
void AnimationDelegateViews::OnViewIsDeleting(View* observed_view) {
scoped_observer_.Remove(view_);
view_ = nullptr;
UpdateAnimationRunner();
}
void AnimationDelegateViews::AnimationContainerShuttingDown(
gfx::AnimationContainer* container) {
container_ = nullptr;
}
void AnimationDelegateViews::UpdateAnimationRunner() {
if (!container_)
return;
if (!view_ || !view_->GetWidget() || !view_->GetWidget()->GetCompositor()) {
// TODO(https://crbug.com/960621): make sure the container has a correct
// compositor-assisted runner.
container_->SetAnimationRunner(nullptr);
return;
}
if (container_->has_custom_animation_runner())
return;
container_->SetAnimationRunner(std::make_unique<CompositorAnimationRunner>(
view_->GetWidget()->GetCompositor()));
}
} // namespace views