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Some more improvements for the startup time.

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After this change and the change we did to 4.7, we are down to ~100ms
time in extensionsInitialized on Windows, should be even more on Linux.
This commit is contained in:
kh1
2010-03-04 18:46:16 +01:00
parent 9aaf2ec84c
commit 23a876c5c0
2 changed files with 64 additions and 56 deletions
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118
src/plugins/help/helpplugin.cpp
View File

@@ -86,6 +86,12 @@
using namespace Help;
using namespace Help::Internal;
#if defined(Q_OS_MAC)
# define DOCPATH "/../Resources/doc/"
#else
# define DOCPATH "../../share/doc/qtcreator/"
#endif
HelpPlugin::HelpPlugin()
: m_core(0),
m_helpEngine(0),
@@ -100,7 +106,8 @@ HelpPlugin::HelpPlugin()
m_indexItem(0),
m_searchItem(0),
m_bookmarkItem(0),
m_rightPaneSideBar(0)
m_rightPaneSideBar(0),
isInitialised(false)
{
}
@@ -147,6 +154,7 @@ bool HelpPlugin::initialize(const QStringList &arguments, QString *error)
directory.mkpath(directory.absolutePath());
m_helpEngine = new QHelpEngine(directory.absolutePath() +
QLatin1String("/helpcollection.qhc"), this);
m_helpEngine->setAutoSaveFilter(false);
helpManager = new HelpManager(this);
addAutoReleasedObject(helpManager);
@@ -411,49 +419,42 @@ void HelpPlugin::setFilesToRegister(const QStringList &files)
void HelpPlugin::pluginUpdateDocumentation()
{
updateDocumentation();
if (isInitialised)
updateDocumentation();
}
bool HelpPlugin::updateDocumentation()
{
bool needsSetup = false;
{
QHelpEngineCore hc(m_helpEngine->collectionFile());
if (hc.setupData()) {
const QStringList &registeredDocs = hc.registeredDocumentations();
foreach (const QString &nameSpace, registeredDocs) {
const QString &file = hc.documentationFileName(nameSpace);
if (QFileInfo(file).exists())
continue;
const QStringList &registeredDocs = m_helpEngine->registeredDocumentations();
foreach (const QString &nameSpace, registeredDocs) {
const QString &file = m_helpEngine->documentationFileName(nameSpace);
if (QFileInfo(file).exists())
continue;
if (!hc.unregisterDocumentation(nameSpace)) {
qWarning() << "Error unregistering namespace '"
<< nameSpace << "' from file '" << file << "': "
<< hc.error();
} else {
needsSetup = true;
}
}
while (!filesToRegister.isEmpty()) {
const QString &file = filesToRegister.takeFirst();
if (!QFileInfo(file).exists())
continue;
const QString &nameSpace = hc.namespaceName(file);
if (nameSpace.isEmpty())
continue;
if (!hc.registeredDocumentations().contains(nameSpace)) {
if (hc.registerDocumentation(file)) {
needsSetup = true;
} else {
qWarning() << "error registering" << file << hc.error();
}
}
}
if (!m_helpEngine->unregisterDocumentation(nameSpace)) {
qWarning() << "Error unregistering namespace '"
<< nameSpace << "' from file '" << file << "': "
<< m_helpEngine->error();
} else {
qWarning() << "Could not initialize help engine:" << hc.error();
needsSetup = true;
}
}
foreach (const QString &file, filesToRegister) {
const QString &nameSpace = m_helpEngine->namespaceName(file);
if (nameSpace.isEmpty())
continue;
if (!m_helpEngine->registeredDocumentations().contains(nameSpace)) {
if (m_helpEngine->registerDocumentation(file)) {
needsSetup = true;
} else {
qWarning() << "error registering" << file << m_helpEngine->error();
}
}
}
filesToRegister.clear();
if (needsSetup)
m_helpEngine->setupData();
return needsSetup;
@@ -611,16 +612,6 @@ void HelpPlugin::extensionsInitialized()
m_helpEngine->removeCustomFilter(filter);
}
if (!assistantInternalDocRegistered) {
const QString &internalDoc = QCoreApplication::applicationDirPath()
#if defined(Q_OS_MAC)
+ QLatin1String("/../Resources/doc/qtcreator.qch");
#else
+ QLatin1String("../../share/doc/qtcreator/qtcreator.qch");
#endif
filesToRegister.append(QDir::cleanPath(internalDoc));
}
const QLatin1String weAddedFilterKey("UnfilteredFilterInserted");
const QLatin1String previousFilterNameKey("UnfilteredFilterName");
if (m_helpEngine->customValue(weAddedFilterKey).toInt() == 1) {
@@ -639,8 +630,31 @@ void HelpPlugin::extensionsInitialized()
m_helpEngine->setCustomValue(previousFilterNameKey, filterName);
m_helpEngine->setCurrentFilter(filterName);
m_bookmarkManager->setupBookmarkModels();
m_helpEngine->blockSignals(blocked);
connect(m_helpEngine, SIGNAL(setupFinished()), this,
SLOT(updateFilterComboBox()));
connect(m_helpEngine->searchEngine(), SIGNAL(indexingStarted()), this,
SLOT(indexingStarted()));
connect(m_helpEngine->searchEngine(), SIGNAL(indexingFinished()), this,
SLOT(indexingFinished()));
// Explicitly register qml.qch if located in creator directory. This is only
// needed for the creator-qml package, were we want to ship the documentation
// without a qt development version.
const QString &appPath = QCoreApplication::applicationDirPath();
filesToRegister.append(QDir::cleanPath(QDir::cleanPath(appPath
+ QLatin1String(DOCPATH "qml.qch"))));
// we might need to register creators inbuild help
if (!assistantInternalDocRegistered) {
filesToRegister.append(QDir::cleanPath(appPath
+ QLatin1String(DOCPATH "qtcreator.qch")));
}
// this comes from the installer
const QLatin1String key("AddedDocs");
const QString &addedDocs = m_helpEngine->customValue(key).toString();
if (!addedDocs.isEmpty()) {
@@ -648,20 +662,12 @@ void HelpPlugin::extensionsInitialized()
filesToRegister += addedDocs.split(QLatin1Char(';'));
}
connect(m_helpEngine->searchEngine(), SIGNAL(indexingStarted()), this,
SLOT(indexingStarted()));
connect(m_helpEngine->searchEngine(), SIGNAL(indexingFinished()), this,
SLOT(indexingFinished()));
if (!updateDocumentation()) {
// if no documentation has been added, we need to force a setup data,
// otherwise it has already been run in updateDocumentation
m_helpEngine->setupData();
}
updateFilterComboBox();
m_bookmarkManager->setupBookmarkModels();
#if !defined(QT_NO_WEBKIT)
QWebSettings* webSettings = QWebSettings::globalSettings();
QFont font(webSettings->fontFamily(QWebSettings::StandardFont),
@@ -689,10 +695,10 @@ void HelpPlugin::extensionsInitialized()
connect(m_centralWidget, SIGNAL(viewerAboutToBeRemoved(int)), this,
SLOT(removeViewerFromComboBox(int)));
connect(m_helpEngine, SIGNAL(setupFinished()), this,
SLOT(updateFilterComboBox()));
connect(helpManager, SIGNAL(helpPluginUpdateDocumentation()), this,
SLOT(pluginUpdateDocumentation()));
isInitialised = true;
}
void HelpPlugin::shutdown()
@@ -821,7 +827,7 @@ HelpViewer* HelpPlugin::viewerForContextMode()
// side by side
showSideBySide = true;
} break;
default: // help mode
break;
}