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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* Licensed 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.execution;
import com.intellij.execution.impl.RunManagerImpl;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.*;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.openapi.project.Project;
import com.intellij.util.containers.ContainerUtil;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@State(name = "ExecutionTargetManager", storages = {@Storage(file = StoragePathMacros.WORKSPACE_FILE, scheme = StorageScheme.DEFAULT)})
public class ExecutionTargetManagerImpl extends ExecutionTargetManager implements ProjectComponent, PersistentStateComponent<Element> {
@NotNull private final Project myProject;
@NotNull private final Object myActiveTargetLock = new Object();
@Nullable private ExecutionTarget myActiveTarget;
@Nullable private String mySavedActiveTargetId;
public ExecutionTargetManagerImpl(@NotNull Project project) {
myProject = project;
}
@Override
public void projectOpened() {
}
@Override
public void projectClosed() {
}
@Override
public Element getState() {
synchronized (myActiveTargetLock) {
Element state = new Element("state");
String id = myActiveTarget == null ? mySavedActiveTargetId : myActiveTarget.getId();
if (id != null) state.setAttribute("SELECTED_TARGET", id);
return state;
}
}
@Override
public void loadState(Element state) {
synchronized (myActiveTargetLock) {
if (myActiveTarget == null && mySavedActiveTargetId == null) {
mySavedActiveTargetId = state.getAttributeValue("SELECTED_TARGET");
}
}
}
@Override
public void initComponent() {
RunManagerImpl.getInstanceImpl(myProject).addRunManagerListener(new RunManagerAdapter() {
@Override
public void runConfigurationChanged(@NotNull RunnerAndConfigurationSettings settings) {
if (settings == RunManager.getInstance(myProject).getSelectedConfiguration()) {
updateActiveTarget(settings);
}
}
@Override
public void runConfigurationSelected() {
updateActiveTarget();
}
});
}
@Override
public void disposeComponent() {
}
@NotNull
@Override
public String getComponentName() {
return ExecutionTargetManager.class.getName();
}
@NotNull
@Override
public ExecutionTarget getActiveTarget() {
ApplicationManager.getApplication().assertReadAccessAllowed();
synchronized (myActiveTargetLock) {
if (myActiveTarget == null) {
updateActiveTarget();
}
return myActiveTarget;
}
}
@Override
public void setActiveTarget(@NotNull ExecutionTarget target) {
ApplicationManager.getApplication().assertIsDispatchThread();
synchronized (myActiveTargetLock) {
updateActiveTarget(RunManager.getInstance(myProject).getSelectedConfiguration(), target);
}
}
private void updateActiveTarget() {
updateActiveTarget(RunManager.getInstance(myProject).getSelectedConfiguration());
}
private void updateActiveTarget(@Nullable RunnerAndConfigurationSettings settings) {
updateActiveTarget(settings, null);
}
private void updateActiveTarget(@Nullable RunnerAndConfigurationSettings settings, @Nullable ExecutionTarget toSelect) {
List<ExecutionTarget> suitable = settings == null ? Collections.singletonList(DefaultExecutionTarget.INSTANCE)
: getTargetsFor(settings);
ExecutionTarget toNotify = null;
synchronized (myActiveTargetLock) {
if (toSelect == null) toSelect = myActiveTarget;
int index = -1;
if (toSelect != null) {
index = suitable.indexOf(toSelect);
}
else if (mySavedActiveTargetId != null) {
for (int i = 0, size = suitable.size(); i < size; i++) {
if (suitable.get(i).getId().equals(mySavedActiveTargetId)) {
index = i;
break;
}
}
}
toNotify =
doSetActiveTarget(index >= 0 ? suitable.get(index) : ContainerUtil.getFirstItem(suitable, DefaultExecutionTarget.INSTANCE));
}
if (toNotify != null) {
myProject.getMessageBus().syncPublisher(TOPIC).activeTargetChanged(toNotify);
}
}
@Nullable
private ExecutionTarget doSetActiveTarget(@NotNull ExecutionTarget newTarget) {
mySavedActiveTargetId = null;
ExecutionTarget prev = myActiveTarget;
myActiveTarget = newTarget;
if (prev != null && !prev.equals(myActiveTarget)) {
return myActiveTarget;
}
return null;
}
@NotNull
@Override
public List<ExecutionTarget> getTargetsFor(@Nullable RunnerAndConfigurationSettings settings) {
ApplicationManager.getApplication().assertReadAccessAllowed();
if (settings == null) return Collections.emptyList();
List<ExecutionTarget> result = new ArrayList<ExecutionTarget>();
for (ExecutionTargetProvider eachTargetProvider : Extensions.getExtensions(ExecutionTargetProvider.EXTENSION_NAME)) {
for (ExecutionTarget eachTarget : eachTargetProvider.getTargets(myProject, settings)) {
if (canRun(settings, eachTarget)) result.add(eachTarget);
}
}
return Collections.unmodifiableList(result);
}
@Override
public void update() {
ApplicationManager.getApplication().assertIsDispatchThread();
updateActiveTarget();
}
}
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