/*
* Copyright 2000-2014 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.openapi.vcs.changes;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.ModalityState;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.EmptyRunnable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.function.Consumer;
class CallbackData {
private final static Logger LOG = Logger.getInstance(CallbackData.class);
@NotNull private final Runnable myCallback;
@NotNull private final Runnable myWrapperStarter;
CallbackData(@NotNull Runnable callback, @NotNull Runnable wrapperStarter) {
myCallback = callback;
myWrapperStarter = wrapperStarter;
}
@NotNull
public Runnable getCallback() {
return myCallback;
}
@NotNull
public Runnable getWrapperStarter() {
return myWrapperStarter;
}
@NotNull
public static CallbackData create(@NotNull Project project,
@NotNull InvokeAfterUpdateMode mode,
@NotNull Runnable afterUpdate,
@Nullable String title,
@Nullable ModalityState state) {
return mode.isSilent() ? createSilent(project, mode, afterUpdate) : createInteractive(project, mode, afterUpdate, title, state);
}
@NotNull
private static CallbackData createSilent(@NotNull Project project, @NotNull InvokeAfterUpdateMode mode, @NotNull Runnable afterUpdate) {
Consumer<Runnable> callbackCaller = mode.isCallbackOnAwt()
? ApplicationManager.getApplication()::invokeLater
: ApplicationManager.getApplication()::executeOnPooledThread;
Runnable callback = () -> {
logUpdateFinished(project, mode);
if (!project.isDisposed()) afterUpdate.run();
};
return new CallbackData(() -> callbackCaller.accept(callback), EmptyRunnable.INSTANCE);
}
@NotNull
private static CallbackData createInteractive(@NotNull Project project,
@NotNull InvokeAfterUpdateMode mode,
@NotNull Runnable afterUpdate,
String title,
@Nullable ModalityState state) {
Task task = mode.isSynchronous()
? new Waiter(project, afterUpdate, title, mode.isCancellable())
: new FictiveBackgroundable(project, afterUpdate, title, mode.isCancellable(), state);
Runnable callback = () -> {
logUpdateFinished(project, mode);
setDone(task);
};
return new CallbackData(callback, () -> ProgressManager.getInstance().run(task));
}
private static void setDone(@NotNull Task task) {
if (task instanceof Waiter) {
((Waiter)task).done();
}
else if (task instanceof FictiveBackgroundable) {
((FictiveBackgroundable)task).done();
}
else {
throw new IllegalArgumentException("Unknown task type " + task.getClass());
}
}
private static void logUpdateFinished(@NotNull Project project, @NotNull InvokeAfterUpdateMode mode) {
LOG.debug(mode + " changes update finished for project " + project.getName());
}
}