ui/views/animation/ink_drop_animation_controller_impl.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/animation/ink_drop_animation_controller_impl.h"
   6
   7 #include "ui/views/animation/ink_drop_animation.h"
   8 #include "ui/views/animation/ink_drop_host.h"
   9
  10 namespace views {
  11
  12 InkDropAnimationControllerImpl::InkDropAnimationControllerImpl(
  13     InkDropHost* ink_drop_host)
  14     : ink_drop_host_(ink_drop_host) {}
  15
  16 InkDropAnimationControllerImpl::~InkDropAnimationControllerImpl() {
  17   if (ink_drop_animation_) {
  18     // TODO(bruthig): Change this to be called when the ink drop becomes hidden.
  19     // See www.crbug.com/522175.
  20     ink_drop_host_->RemoveInkDropLayer(ink_drop_animation_->root_layer());
  21   }
  22 }
  23
  24 InkDropState InkDropAnimationControllerImpl::GetInkDropState() const {
  25   if (!ink_drop_animation_)
  26     return InkDropState::HIDDEN;
  27   return ink_drop_animation_->ink_drop_state();
  28 }
  29
  30 void InkDropAnimationControllerImpl::AnimateToState(InkDropState state) {
  31   if (!ink_drop_animation_)
  32     CreateInkDropAnimation();
  33   ink_drop_animation_->AnimateToState(state);
  34 }
  35
  36 gfx::Size InkDropAnimationControllerImpl::GetInkDropLargeSize() const {
  37   return ink_drop_large_size_;
  38 }
  39
  40 void InkDropAnimationControllerImpl::SetInkDropSize(const gfx::Size& large_size,
  41                                                     int large_corner_radius,
  42                                                     const gfx::Size& small_size,
  43                                                     int small_corner_radius) {
  44   // TODO(bruthig): Fix the ink drop animations to work for non-square sizes.
  45   DCHECK_EQ(large_size.width(), large_size.height())
  46       << "The ink drop animation does not currently support non-square sizes.";
  47   DCHECK_EQ(small_size.width(), small_size.height())
  48       << "The ink drop animation does not currently support non-square sizes.";
  49   ink_drop_large_size_ = large_size;
  50   ink_drop_large_corner_radius_ = large_corner_radius;
  51   ink_drop_small_size_ = small_size;
  52   ink_drop_small_corner_radius_ = small_corner_radius;
  53   ink_drop_animation_.reset();
  54 }
  55
  56 void InkDropAnimationControllerImpl::SetInkDropCenter(
  57     const gfx::Point& center_point) {
  58   ink_drop_center_ = center_point;
  59   if (ink_drop_animation_)
  60     ink_drop_animation_->SetCenterPoint(ink_drop_center_);
  61 }
  62
  63 void InkDropAnimationControllerImpl::CreateInkDropAnimation() {
  64   if (ink_drop_animation_)
  65     ink_drop_host_->RemoveInkDropLayer(ink_drop_animation_->root_layer());
  66
  67   // TODO(bruthig): It will be expensive to maintain InkDropAnimation instances
  68   // when they are not actually being used. Consider creating InkDropAnimations
  69   // on an as-needed basis and if construction is also expensive then consider
  70   // creating an InkDropAnimationPool. See www.crbug.com/522175.
  71   ink_drop_animation_.reset(new InkDropAnimation(
  72       ink_drop_large_size_, ink_drop_large_corner_radius_, ink_drop_small_size_,
  73       ink_drop_small_corner_radius_));
  74
  75   ink_drop_animation_->SetCenterPoint(ink_drop_center_);
  76   ink_drop_host_->AddInkDropLayer(ink_drop_animation_->root_layer());
  77 }
  78
  79 }  // namespace views