15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ash/shelf/background_animator.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Duration of the background animation. 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kBackgroundDurationMS = 1000; 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BackgroundAnimator::BackgroundAnimator(BackgroundAnimatorDelegate* delegate, 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int min_alpha, 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_alpha) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : delegate_(delegate), 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) min_alpha_(min_alpha), 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_alpha_(max_alpha), 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) animation_(this), 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) paints_background_(false), 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) alpha_(min_alpha) { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) animation_.SetSlideDuration(kBackgroundDurationMS); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BackgroundAnimator::~BackgroundAnimator() { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 31c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void BackgroundAnimator::SetDuration(int time_in_ms) { 32c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) animation_.SetSlideDuration(time_in_ms); 33c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 34c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 35a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void BackgroundAnimator::SetPaintsBackground( 36a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) bool value, BackgroundAnimatorChangeType type) { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (paints_background_ == value) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) paints_background_ = value; 40a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (type == BACKGROUND_CHANGE_IMMEDIATE && !animation_.is_animating()) { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) animation_.Reset(value ? 1.0f : 0.0f); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AnimationProgressed(&animation_); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (paints_background_) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) animation_.Show(); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) animation_.Hide(); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 51d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)void BackgroundAnimator::AnimationProgressed(const gfx::Animation* animation) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int alpha = animation->CurrentValueBetween(min_alpha_, max_alpha_); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (alpha_ == alpha) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) alpha_ = alpha; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->UpdateBackground(alpha_); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 60