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1597.2.2
by Marco Trevisan (Treviño)
FadeController: new class for handling the fading of FadableObjects |
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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
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/*
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* Copyright (C) 2011 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authored by: Marco Trevisan (Treviño) <mail@3v1n0.net>
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*/
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1597.2.7
by Marco Trevisan (Treviño)
Remove FadeController, add a more generic Animator class |
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#include "Animator.h" |
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1597.2.2
by Marco Trevisan (Treviño)
FadeController: new class for handling the fading of FadableObjects |
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namespace unity |
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{
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1597.2.7
by Marco Trevisan (Treviño)
Remove FadeController, add a more generic Animator class |
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Animator::Animator(unsigned int rate, unsigned int duration) |
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{
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_start_time = 0; |
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_timeout_id = 0; |
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_progress = 0.0f; |
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_start_progress = 0.0f; |
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_rate = 1; |
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_duration = 0; |
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SetDuration(duration); |
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SetRate(rate); |
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}
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Animator::~Animator() |
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{
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if (_timeout_id != 0) |
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g_source_remove (_timeout_id); |
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}
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void
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Animator::SetRate(unsigned int rate) |
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{
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if (rate != 0) |
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_rate = 1000 / rate; |
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}
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void
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Animator::SetDuration(unsigned int duration) |
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{
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if (duration != 0) |
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_duration = duration * 1000; |
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}
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unsigned int |
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Animator::GetRate() |
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{
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return _rate; |
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}
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unsigned int |
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Animator::GetDuration() |
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{
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return _duration; |
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}
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bool
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Animator::IsRunning() |
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{
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return (_timeout_id != 0); |
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1597.2.2
by Marco Trevisan (Treviño)
FadeController: new class for handling the fading of FadableObjects |
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}
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double
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1597.2.7
by Marco Trevisan (Treviño)
Remove FadeController, add a more generic Animator class |
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Animator::GetProgress() |
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{
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return _progress; |
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}
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void
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Animator::Start(double start_progress) |
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{
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if (_timeout_id == 0 && start_progress < 1.0f) |
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{
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if (start_progress < 0.0f) |
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start_progress = 0.0f; |
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_start_progress = start_progress; |
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_progress = _start_progress; |
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_start_time = g_get_monotonic_time(); |
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_timeout_id = g_timeout_add(_rate, (GSourceFunc) &Animator::TimerTimeOut, this); |
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}
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}
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void
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Animator::Stop() |
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{
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if (_timeout_id != 0) |
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{
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g_source_remove(_timeout_id); |
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animation_updated.emit(_progress); |
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animation_ended.emit(); |
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animation_stopped.emit(_progress); |
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_timeout_id = 0; |
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}
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}
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gboolean
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Animator::TimerTimeOut(Animator *self) |
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{
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const gint64 current_time = g_get_monotonic_time(); |
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const gint64 end_time = self->_start_time + self->_duration; |
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if (current_time < end_time && self->_progress < 1.0f) |
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{
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const double diff_time = current_time - self->_start_time; |
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self->_progress = self->_start_progress + (diff_time / self->_duration); |
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self->animation_updated.emit(self->_progress); |
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return TRUE; |
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} else { |
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self->_progress = 1.0f; |
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self->animation_updated.emit(1.0f); |
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self->animation_ended.emit(); |
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self->_timeout_id = 0; |
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return FALSE; |
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}
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1597.2.2
by Marco Trevisan (Treviño)
FadeController: new class for handling the fading of FadableObjects |
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}
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} //namespace |