chromium/ui/views/animation/slide_out_controller.cc

// 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 "ui/views/animation/slide_out_controller.h"

#include <algorithm>

#include "base/functional/bind.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "ui/base/ui_base_features.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/events/event.h"
#include "ui/events/types/event_type.h"
#include "ui/gfx/geometry/transform.h"
#include "ui/views/animation/animation_builder.h"
#include "ui/views/animation/slide_out_controller_delegate.h"

namespace views {

namespace {

constexpr base::TimeDelta kSwipeRestoreDuration = …;
constexpr int kSwipeOutTotalDurationMs = …;
gfx::Tween::Type kSwipeTweenType = …;

// When we have a swipe control, we will close the target if it is slid more
// than this amount plus the width of the swipe control.
constexpr int kSwipeCloseMargin = …;

}  // anonymous namespace

SlideOutController::SlideOutController(ui::EventTarget* target,
                                       SlideOutControllerDelegate* delegate)
    : … { … }

SlideOutController::~SlideOutController() = default;

void SlideOutController::CaptureControlOpenState() { … }

void SlideOutController::OnGestureEvent(ui::GestureEvent* event) { … }

void SlideOutController::OnScrollEvent(ui::ScrollEvent* event) { … }

void SlideOutController::RestoreVisualState() { … }

void SlideOutController::SlideOutAndClose(int direction) { … }

void SlideOutController::SetOpacityIfNecessary(float opacity) { … }

void SlideOutController::SetTransformWithAnimationIfNecessary(
    const gfx::Transform& transform,
    base::TimeDelta animation_duration) { … }

void SlideOutController::OnAnimationsCompleted() { … }

void SlideOutController::OnSlideOut() { … }

void SlideOutController::SetSwipeControlWidth(int swipe_control_width) { … }

void SlideOutController::CloseSwipeControl() { … }

}  // namespace views