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/* -*- 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/.
*/
#include <test/lokcallback.hxx>
#include <LibreOfficeKit/LibreOfficeKitEnums.h>
#include <rtl/strbuf.hxx>
#include <tools/gen.hxx>
#include <comphelper/lok.hxx>
#include <sfx2/viewsh.hxx>
TestLokCallbackWrapper::TestLokCallbackWrapper(LibreOfficeKitCallback callback, void* data)
: Idle("TestLokCallbackWrapper flush timer")
, m_callback(callback)
, m_data(data)
{
// Flushing timer needs to run with the lowest priority, so that all pending tasks
// such as invalidations are processed before it.
SetPriority(TaskPriority::LOWEST);
}
void TestLokCallbackWrapper::clear()
{
m_viewId = -1;
m_updatedTypes.clear();
m_updatedTypesPerViewId.clear();
}
inline void TestLokCallbackWrapper::startTimer()
{
if (!IsActive())
Start();
}
constexpr int NO_VIEWID = -1;
inline void TestLokCallbackWrapper::callCallback(int nType, const char* pPayload, int nViewId)
{
discardUpdatedTypes(nType, nViewId);
m_callback(nType, pPayload, m_data);
startTimer();
}
void TestLokCallbackWrapper::libreOfficeKitViewCallback(int nType, const char* pPayload)
{
callCallback(nType, pPayload, NO_VIEWID);
}
void TestLokCallbackWrapper::libreOfficeKitViewCallbackWithViewId(int nType, const char* pPayload,
int nViewId)
{
callCallback(nType, pPayload, nViewId);
}
void TestLokCallbackWrapper::libreOfficeKitViewInvalidateTilesCallback(
const tools::Rectangle* pRect, int nPart)
{
OStringBuffer buf(64);
if (pRect)
buf.append(pRect->toString());
else
buf.append("EMPTY");
if (comphelper::LibreOfficeKit::isPartInInvalidation())
{
buf.append(", ");
buf.append(static_cast<sal_Int32>(nPart));
}
callCallback(LOK_CALLBACK_INVALIDATE_TILES, buf.makeStringAndClear().getStr(), NO_VIEWID);
}
// TODO This is probably a pointless code duplication with CallbackFlushHandler,
// and using this in unittests also means that CallbackFlushHandler does not get
// tested as thoroughly as it could. On the other hand, this class is simpler,
// so debugging those unittests should also be simpler. The proper solution
// is presumably this class using CallbackFlushHandler internally by default,
// but having an option to use this simpler code when needed.
void TestLokCallbackWrapper::libreOfficeKitViewUpdatedCallback(int nType)
{
if (std::find(m_updatedTypes.begin(), m_updatedTypes.end(), nType) == m_updatedTypes.end())
{
m_updatedTypes.push_back(nType);
startTimer();
}
}
void TestLokCallbackWrapper::libreOfficeKitViewUpdatedCallbackPerViewId(int nType, int nViewId,
int nSourceViewId)
{
const PerViewIdData data{ nType, nViewId, nSourceViewId };
auto& l = m_updatedTypesPerViewId;
// The source view doesn't matter for uniqueness, just keep the latest one.
auto it = std::find_if(l.begin(), l.end(), [data](const PerViewIdData& other) {
return data.type == other.type && data.viewId == other.viewId;
});
if (it != l.end())
*it = data;
else
l.push_back(data);
startTimer();
}
void TestLokCallbackWrapper::discardUpdatedTypes(int nType, int nViewId)
{
// If a callback is called directly with an event, drop the updated flag for it, since
// the direct event replaces it.
for (auto it = m_updatedTypes.begin(); it != m_updatedTypes.end();)
{
if (*it == nType)
it = m_updatedTypes.erase(it);
else
++it;
}
// If we do not have a specific view id, drop flag for all views.
bool allViewIds = false;
if (nViewId < 0)
allViewIds = true;
if (nType == LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR
&& !comphelper::LibreOfficeKit::isViewIdForVisCursorInvalidation())
allViewIds = true;
for (auto it = m_updatedTypesPerViewId.begin(); it != m_updatedTypesPerViewId.end();)
{
if (it->type == nType && (allViewIds || it->viewId == nViewId))
it = m_updatedTypesPerViewId.erase(it);
else
++it;
}
}
void TestLokCallbackWrapper::flushLOKData()
{
if (m_updatedTypes.empty() && m_updatedTypesPerViewId.empty())
return;
// Ask for payloads of all the pending types that need updating, and call the generic callback with that data.
assert(m_viewId >= 0);
SfxViewShell* viewShell = SfxViewShell::GetFirst(false, [this](const SfxViewShell* shell) {
return shell->GetViewShellId().get() == m_viewId;
});
assert(viewShell != nullptr);
// First move data to local structures, so that callbacks don't possibly modify it.
std::vector<int> updatedTypes;
std::swap(updatedTypes, m_updatedTypes);
std::vector<PerViewIdData> updatedTypesPerViewId;
std::swap(updatedTypesPerViewId, m_updatedTypesPerViewId);
for (int type : updatedTypes)
{
bool ignore = false;
OString payload = viewShell->getLOKPayload(type, m_viewId, &ignore);
if (!ignore)
libreOfficeKitViewCallback(type, payload.getStr());
}
for (const PerViewIdData& data : updatedTypesPerViewId)
{
viewShell = SfxViewShell::GetFirst(false, [data](const SfxViewShell* shell) {
return shell->GetViewShellId().get() == data.sourceViewId;
});
assert(viewShell != nullptr);
bool ignore = false;
OString payload = viewShell->getLOKPayload(data.type, data.viewId, &ignore);
if (!ignore)
libreOfficeKitViewCallbackWithViewId(data.type, payload.getStr(), data.viewId);
}
}
void TestLokCallbackWrapper::Invoke()
{
// Timer timeout, flush any possibly pending data.
for (SfxViewShell* viewShell = SfxViewShell::GetFirst(false); viewShell != nullptr;
viewShell = SfxViewShell::GetNext(*viewShell, false))
{
viewShell->flushPendingLOKInvalidateTiles();
}
flushLOKData();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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