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PluginManager: Behave more like a package manager

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Instead of implicitly disabling plugins if their dependencies are
disabled, implicitly enable plugins if some enabled plugin needs it.
That will avoid issues if people disable plugins (e.g. QmlJSTools et al)
and we later add one of these as a dependency to another plugin (e.g.
make QmakeProjectManager depend on QmlJSTools), which resulted in the
previously enabled plugin being implicitly disabled.

Enabling a plugin in About Plugins now asks for all required
dependencies to be enabled as well.
Disabling a plugin in About Plugins now asks for disabling all plugins
that require it.
Using the -noload command line option now disables all plugins that
require it in addition.
Using the -load command line option now implicitly enables all plugins
that are required.
Multiple -noload and -load options are handled in the order given on the
command line.

Task-number: QTCREATORBUG-9131
Change-Id: I0956106105060a7898a8992e0629009d5ec3ea4d
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>
This commit is contained in:
Eike Ziller
2015-03-31 17:42:14 +02:00
parent ed9104bad6
commit 33a5e7d804
10 changed files with 176 additions and 74 deletions
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38
src/libs/extensionsystem/pluginspec.cpp
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@@ -284,8 +284,9 @@ bool PluginSpec::isEnabledByDefault() const
Returns whether the plugin should be loaded at startup,
taking into account the default enabled state, and the user's settings.
\note This function returns true even if a plugin is disabled because its
dependencies were not loaded, or an error occurred during loading it.
\note This function might return false even if the plugin is loaded as a requirement of another
enabled plugin.
\sa PluginSpec::isEffectivelyEnabled
*/
bool PluginSpec::isEnabledBySettings() const
{
@@ -294,24 +295,25 @@ bool PluginSpec::isEnabledBySettings() const
/*!
Returns whether the plugin is loaded at startup.
\see PluginSpec::isEnabled
\see PluginSpec::isEnabledBySettings
*/
bool PluginSpec::isEffectivelyEnabled() const
{
if (d->disabledIndirectly
|| (!d->enabledBySettings && !d->forceEnabled)
|| d->forceDisabled) {
if (!isAvailableForHostPlatform())
return false;
}
return isAvailableForHostPlatform();
if (isForceEnabled() || isEnabledIndirectly())
return true;
if (isForceDisabled())
return false;
return isEnabledBySettings();
}
/*!
Returns true if loading was not done due to user unselecting this plugin or its dependencies.
*/
bool PluginSpec::isDisabledIndirectly() const
bool PluginSpec::isEnabledIndirectly() const
{
return d->disabledIndirectly;
return d->enabledIndirectly;
}
/*!
@@ -486,7 +488,7 @@ PluginSpecPrivate::PluginSpecPrivate(PluginSpec *spec)
experimental(false),
enabledByDefault(true),
enabledBySettings(true),
disabledIndirectly(false),
enabledIndirectly(false),
forceEnabled(false),
forceDisabled(false),
plugin(0),
@@ -910,24 +912,18 @@ bool PluginSpecPrivate::resolveDependencies(const QList<PluginSpec *> &specs)
return true;
}
void PluginSpecPrivate::disableIndirectlyIfDependencyDisabled()
void PluginSpecPrivate::enableDependenciesIndirectly()
{
if (!enabledBySettings)
if (!q->isEffectivelyEnabled()) // plugin not enabled, nothing to do
return;
if (disabledIndirectly)
return;
QHashIterator<PluginDependency, PluginSpec *> it(dependencySpecs);
while (it.hasNext()) {
it.next();
if (it.key().type != PluginDependency::Required)
continue;
PluginSpec *dependencySpec = it.value();
if (!dependencySpec->isEffectivelyEnabled()) {
disabledIndirectly = true;
break;
}
if (!dependencySpec->isEffectivelyEnabled())
dependencySpec->d->enabledIndirectly = true;
}
}