diff options
Diffstat (limited to 'sd/source/ui/slidesorter/view/SlsInsertAnimator.cxx')
| -rw-r--r-- | sd/source/ui/slidesorter/view/SlsInsertAnimator.cxx | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/view/SlsInsertAnimator.cxx b/sd/source/ui/slidesorter/view/SlsInsertAnimator.cxx new file mode 100644 index 000000000..361c55f05 --- /dev/null +++ b/sd/source/ui/slidesorter/view/SlsInsertAnimator.cxx @@ -0,0 +1,428 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <view/SlsInsertAnimator.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsAnimationFunction.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <model/SlideSorterModel.hxx> +#include <SlideSorter.hxx> +#include <Window.hxx> +#include <osl/diagnose.h> + +#include <memory> +#include <set> + +namespace sd::slidesorter::view { + +namespace { + +class PageObjectRun; + +class AnimatorAccess +{ +public: + virtual void AddRun (const std::shared_ptr<PageObjectRun>& rRun) = 0; + virtual void RemoveRun (const std::shared_ptr<PageObjectRun>& rRun) = 0; + virtual model::SlideSorterModel& GetModel () const = 0; + virtual view::SlideSorterView& GetView () const = 0; + virtual std::shared_ptr<controller::Animator> GetAnimator () = 0; + virtual VclPtr<sd::Window> GetContentWindow () = 0; + +protected: + ~AnimatorAccess() COVERITY_NOEXCEPT_FALSE {} +}; + +/** Controller of the position offsets of all page objects in one row or one + column. +*/ +class PageObjectRun : public std::enable_shared_from_this<PageObjectRun> +{ +public: + PageObjectRun ( + AnimatorAccess& rAnimatorAccess, + const sal_Int32 nRunIndex, + const sal_Int32 nStartIndex, + const sal_Int32 nEndIndex); + + void operator () (const double nTime); + + void UpdateOffsets( + const InsertPosition& rInsertPosition, + const view::Layouter& GetLayouter); + void ResetOffsets (const controller::Animator::AnimationMode eMode); + + /// Index of the row or column that this run represents. + sal_Int32 mnRunIndex; + /// The index at which to make place for the insertion indicator (-1 for + /// no indicator). + sal_Int32 mnLocalInsertIndex; + /// Index of the first page in the run. + sal_Int32 mnStartIndex; + /// Index of the last page in the run. + sal_Int32 mnEndIndex; + /// Offset of each item in the run at the start of the current animation. + ::std::vector<Point> maStartOffset; + /// Target offset of each item in the run at the end of the current animation. + ::std::vector<Point> maEndOffset; + /// Time at which the current animation started. + double mnStartTime; + + class Comparator + { + public: bool operator() ( + const std::shared_ptr<PageObjectRun>& rpRunA, + const std::shared_ptr<PageObjectRun>& rpRunB) const + { + return rpRunA->mnRunIndex < rpRunB->mnRunIndex; + } + }; +private: + controller::Animator::AnimationId mnAnimationId; + AnimatorAccess& mrAnimatorAccess; + ::std::function<double (double)> maAccelerationFunction; + + void RestartAnimation(); +}; +typedef std::shared_ptr<PageObjectRun> SharedPageObjectRun; + +Point Blend (const Point& rPointA, const Point& rPointB, const double nT) +{ + return Point( + sal_Int32(rPointA.X() * (1-nT) + rPointB.X() * nT), + sal_Int32(rPointA.Y() * (1-nT) + rPointB.Y() * nT)); +} + +} // end of anonymous namespace + +class InsertAnimator::Implementation : public AnimatorAccess +{ +public: + explicit Implementation (SlideSorter& rSlideSorter); + virtual ~Implementation(); + + void SetInsertPosition ( + const InsertPosition& rInsertPosition, + const controller::Animator::AnimationMode eAnimationMode); + + virtual void AddRun (const std::shared_ptr<PageObjectRun>& rRun) override; + virtual void RemoveRun (const std::shared_ptr<PageObjectRun>& rRun) override; + + virtual model::SlideSorterModel& GetModel() const override { return mrModel; } + virtual view::SlideSorterView& GetView() const override { return mrView; } + virtual std::shared_ptr<controller::Animator> GetAnimator() override { return mpAnimator; } + virtual VclPtr<sd::Window> GetContentWindow() override { return mrSlideSorter.GetContentWindow(); } + +private: + model::SlideSorterModel& mrModel; + view::SlideSorterView& mrView; + SlideSorter& mrSlideSorter; + std::shared_ptr<controller::Animator> mpAnimator; + typedef ::std::set<SharedPageObjectRun, PageObjectRun::Comparator> RunContainer; + RunContainer maRuns; + InsertPosition maInsertPosition; + + SharedPageObjectRun GetRun ( + view::Layouter const & rLayouter, + const InsertPosition& rInsertPosition); + RunContainer::const_iterator FindRun (const sal_Int32 nRunIndex) const; +}; + +//===== InsertAnimator ======================================================== + +InsertAnimator::InsertAnimator (SlideSorter& rSlideSorter) + : mpImplementation(std::make_shared<Implementation>(rSlideSorter)) +{ +} + +void InsertAnimator::SetInsertPosition (const InsertPosition& rInsertPosition) +{ + mpImplementation->SetInsertPosition(rInsertPosition, controller::Animator::AM_Animated); +} + +void InsertAnimator::Reset (const controller::Animator::AnimationMode eMode) +{ + mpImplementation->SetInsertPosition(InsertPosition(), eMode); +} + +//===== InsertAnimator::Implementation ======================================== + +InsertAnimator::Implementation::Implementation (SlideSorter& rSlideSorter) + : mrModel(rSlideSorter.GetModel()), + mrView(rSlideSorter.GetView()), + mrSlideSorter(rSlideSorter), + mpAnimator(rSlideSorter.GetController().GetAnimator()) +{ +} + +InsertAnimator::Implementation::~Implementation() +{ + SetInsertPosition(InsertPosition(), controller::Animator::AM_Immediate); +} + +void InsertAnimator::Implementation::SetInsertPosition ( + const InsertPosition& rInsertPosition, + const controller::Animator::AnimationMode eMode) +{ + if (maInsertPosition == rInsertPosition) + return; + + SharedPageObjectRun pOldRun (GetRun(mrView.GetLayouter(), maInsertPosition)); + SharedPageObjectRun pCurrentRun (GetRun(mrView.GetLayouter(), rInsertPosition)); + maInsertPosition = rInsertPosition; + + // When the new insert position is in a different run then move the page + // objects in the old run to their default positions. + if (pOldRun != pCurrentRun && pOldRun) + pOldRun->ResetOffsets(eMode); + + if (pCurrentRun) + { + pCurrentRun->UpdateOffsets(rInsertPosition, mrView.GetLayouter()); + } +} + +SharedPageObjectRun InsertAnimator::Implementation::GetRun ( + view::Layouter const & rLayouter, + const InsertPosition& rInsertPosition) +{ + const sal_Int32 nRow (rInsertPosition.GetRow()); + if (nRow < 0) + return SharedPageObjectRun(); + + RunContainer::const_iterator iRun (maRuns.end()); + if (rLayouter.GetColumnCount() == 1) + { + // There is only one run that contains all slides. + if (maRuns.empty()) + maRuns.insert(std::make_shared<PageObjectRun>( + *this, + 0, + 0, + mrModel.GetPageCount()-1)); + iRun = maRuns.begin(); + } + else + { + iRun = FindRun(nRow); + if (iRun == maRuns.end()) + { + // Create a new run. + const sal_Int32 nStartIndex (rLayouter.GetIndex(nRow, 0)); + const sal_Int32 nEndIndex (rLayouter.GetIndex(nRow, rLayouter.GetColumnCount()-1)); + if (nStartIndex <= nEndIndex) + { + iRun = maRuns.insert(std::make_shared<PageObjectRun>( + *this, + nRow, + nStartIndex, + nEndIndex)).first; + OSL_ASSERT(iRun != maRuns.end()); + } + } + } + + if (iRun != maRuns.end()) + return *iRun; + else + return SharedPageObjectRun(); +} + +InsertAnimator::Implementation::RunContainer::const_iterator + InsertAnimator::Implementation::FindRun (const sal_Int32 nRunIndex) const +{ + return std::find_if( + maRuns.begin(), + maRuns.end(), + [nRunIndex] (std::shared_ptr<PageObjectRun> const& rRun) + { return rRun->mnRunIndex == nRunIndex; }); +} + +void InsertAnimator::Implementation::AddRun (const std::shared_ptr<PageObjectRun>& rRun) +{ + if (rRun) + { + maRuns.insert(rRun); + } + else + { + OSL_ASSERT(rRun); + } +} + +void InsertAnimator::Implementation::RemoveRun (const std::shared_ptr<PageObjectRun>& rRun) +{ + if (rRun) + { + // Do not remove runs that show the space for the insertion indicator. + if (rRun->mnLocalInsertIndex == -1) + { + InsertAnimator::Implementation::RunContainer::const_iterator iRun (FindRun(rRun->mnRunIndex)); + if (iRun != maRuns.end()) + { + OSL_ASSERT(*iRun == rRun); + maRuns.erase(iRun); + } + } + } + else + { + OSL_ASSERT(rRun); + } +} + +//===== PageObjectRun ========================================================= + +PageObjectRun::PageObjectRun ( + AnimatorAccess& rAnimatorAccess, + const sal_Int32 nRunIndex, + const sal_Int32 nStartIndex, + const sal_Int32 nEndIndex) + : mnRunIndex(nRunIndex), + mnLocalInsertIndex(-1), + mnStartIndex(nStartIndex), + mnEndIndex(nEndIndex), + mnStartTime(-1), + mnAnimationId(controller::Animator::NotAnAnimationId), + mrAnimatorAccess(rAnimatorAccess), + maAccelerationFunction( + controller::AnimationParametricFunction( + controller::AnimationBezierFunction (0.1,0.7))) +{ + maStartOffset.resize(nEndIndex - nStartIndex + 1); + maEndOffset.resize(nEndIndex - nStartIndex + 1); +} + +void PageObjectRun::UpdateOffsets( + const InsertPosition& rInsertPosition, + const view::Layouter& rLayouter) +{ + const bool bIsVertical (rLayouter.GetColumnCount()==1); + const sal_Int32 nLocalInsertIndex(bIsVertical + ? rInsertPosition.GetRow() + : rInsertPosition.GetColumn()); + if (nLocalInsertIndex == mnLocalInsertIndex) + return; + + mnLocalInsertIndex = nLocalInsertIndex; + + model::SlideSorterModel& rModel (mrAnimatorAccess.GetModel()); + const sal_Int32 nRunLength (mnEndIndex - mnStartIndex + 1); + for (sal_Int32 nIndex=0; nIndex<nRunLength; ++nIndex) + { + model::SharedPageDescriptor pDescriptor(rModel.GetPageDescriptor(nIndex+mnStartIndex)); + if (pDescriptor) + maStartOffset[nIndex] = pDescriptor->GetVisualState().GetLocationOffset(); + maEndOffset[nIndex] = nIndex < mnLocalInsertIndex + ? rInsertPosition.GetLeadingOffset() + : rInsertPosition.GetTrailingOffset(); + if (bIsVertical) + maEndOffset[nIndex].setX( 0 ); + else + maEndOffset[nIndex].setY( 0 ); + } + RestartAnimation(); +} + +void PageObjectRun::ResetOffsets (const controller::Animator::AnimationMode eMode) +{ + mnLocalInsertIndex = -1; + const sal_Int32 nRunLength (mnEndIndex - mnStartIndex + 1); + model::SlideSorterModel& rModel (mrAnimatorAccess.GetModel()); + view::SlideSorterView& rView (mrAnimatorAccess.GetView()); + for (sal_Int32 nIndex=0; nIndex<nRunLength; ++nIndex) + { + model::SharedPageDescriptor pDescriptor(rModel.GetPageDescriptor(nIndex+mnStartIndex)); + if (pDescriptor) + { + if (eMode == controller::Animator::AM_Animated) + maStartOffset[nIndex] = pDescriptor->GetVisualState().GetLocationOffset(); + else + { + const ::tools::Rectangle aOldBoundingBox (pDescriptor->GetBoundingBox()); + pDescriptor->GetVisualState().SetLocationOffset(Point(0,0)); + rView.RequestRepaint(aOldBoundingBox); + rView.RequestRepaint(pDescriptor); + } + } + maEndOffset[nIndex] = Point(0,0); + } + if (eMode == controller::Animator::AM_Animated) + RestartAnimation(); + else + mrAnimatorAccess.RemoveRun(shared_from_this()); +} + +void PageObjectRun::RestartAnimation() +{ + // Stop the current animation. + if (mnAnimationId != controller::Animator::NotAnAnimationId) + { + mrAnimatorAccess.GetAnimator()->RemoveAnimation(mnAnimationId); + } + + // Restart the animation. + mrAnimatorAccess.AddRun(shared_from_this()); + auto sharedThis(shared_from_this()); + mnAnimationId = mrAnimatorAccess.GetAnimator()->AddAnimation( + [this] (double const val) { (*this)(val); }, + [sharedThis] () { sharedThis->mrAnimatorAccess.RemoveRun(sharedThis); } + ); +} + +void PageObjectRun::operator () (const double nGlobalTime) +{ + if (mnStartTime < 0) + mnStartTime = nGlobalTime; + + double nLocalTime (nGlobalTime - mnStartTime); + if (nLocalTime > 1.0) + nLocalTime = 1.0; + nLocalTime = maAccelerationFunction(nLocalTime); + + model::SlideSorterModel& rModel (mrAnimatorAccess.GetModel()); + view::SlideSorterView& rView (mrAnimatorAccess.GetView()); + for (sal_Int32 nIndex=mnStartIndex; nIndex<=mnEndIndex; ++nIndex) + { + model::SharedPageDescriptor pDescriptor (rModel.GetPageDescriptor(nIndex)); + if ( ! pDescriptor) + continue; + const ::tools::Rectangle aOldBoundingBox (pDescriptor->GetBoundingBox()); + pDescriptor->GetVisualState().SetLocationOffset( + Blend( + maStartOffset[nIndex-mnStartIndex], + maEndOffset[nIndex-mnStartIndex], + nLocalTime)); + + // Request a repaint of the old and new bounding box (which largely overlap.) + rView.RequestRepaint(aOldBoundingBox); + rView.RequestRepaint(pDescriptor); + } + + // Call Flush to make + // a) animations a bit more smooth and + // b) on Mac without the Flush a Reset of the page locations is not properly + // visualized when the mouse leaves the window during drag-and-drop. + mrAnimatorAccess.GetContentWindow()->GetOutDev()->Flush(); +} + +} // end of namespace ::sd::slidesorter::view + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |