java/debugger/impl/src/com/intellij/debugger/ui/DebuggerPanelsManager.java

/*
 * Copyright 2000-2009 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.debugger.ui;

import com.intellij.debugger.DebugEnvironment;
import com.intellij.debugger.DebugUIEnvironment;
import com.intellij.debugger.DebuggerManagerEx;
import com.intellij.debugger.DefaultDebugUIEnvironment;
import com.intellij.debugger.engine.DebugProcessImpl;
import com.intellij.debugger.engine.JavaDebugProcess;
import com.intellij.debugger.impl.DebuggerContextImpl;
import com.intellij.debugger.impl.DebuggerSession;
import com.intellij.debugger.impl.DebuggerStateManager;
import com.intellij.debugger.ui.impl.MainWatchPanel;
import com.intellij.debugger.ui.tree.render.BatchEvaluator;
import com.intellij.execution.ExecutionException;
import com.intellij.execution.ExecutionManager;
import com.intellij.execution.Executor;
import com.intellij.execution.configurations.RemoteConnection;
import com.intellij.execution.configurations.RunProfileState;
import com.intellij.execution.executors.DefaultDebugExecutor;
import com.intellij.execution.runners.ExecutionEnvironment;
import com.intellij.execution.runners.ExecutionEnvironmentBuilder;
import com.intellij.execution.runners.ProgramRunner;
import com.intellij.execution.ui.*;
import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.colors.EditorColorsManager;
import com.intellij.openapi.project.Project;
import com.intellij.xdebugger.XDebugProcess;
import com.intellij.xdebugger.XDebugProcessStarter;
import com.intellij.xdebugger.XDebugSession;
import com.intellij.xdebugger.XDebuggerManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class DebuggerPanelsManager implements ProjectComponent {
  private static final Logger LOG = Logger.getInstance("#com.intellij.debugger.ui.DebuggerPanelsManager");

  private final Project myProject;
  private final ExecutionManager myExecutionManager;

  //private final PositionHighlighter myEditorManager;
  //private final HashMap<ProcessHandler, DebuggerSessionTab> mySessionTabs = new HashMap<ProcessHandler, DebuggerSessionTab>();

  public DebuggerPanelsManager(Project project, final EditorColorsManager colorsManager, ExecutionManager executionManager) {
    myProject = project;
    myExecutionManager = executionManager;

    //myEditorManager = new PositionHighlighter(myProject, getContextManager());
    //
    //final EditorColorsListener myColorsListener = new EditorColorsListener() {
    //  public void globalSchemeChange(EditorColorsScheme scheme) {
    //    myEditorManager.updateContextPointDescription();
    //  }
    //};
    //colorsManager.addEditorColorsListener(myColorsListener);
    //Disposer.register(project, new Disposable() {
    //  public void dispose() {
    //    colorsManager.removeEditorColorsListener(myColorsListener);
    //  }
    //});
    //
    //getContextManager().addListener(new DebuggerContextListener() {
    //  public void changeEvent(final DebuggerContextImpl newContext, int event) {
    //    if (event == DebuggerSession.EVENT_PAUSE) {
    //      DebuggerInvocationUtil.invokeLater(myProject, new Runnable() {
    //        public void run() {
    //          toFront(newContext.getDebuggerSession());
    //        }
    //      });
    //    }
    //  }
    //});
  }

  private DebuggerStateManager getContextManager() {
    return DebuggerManagerEx.getInstanceEx(myProject).getContextManager();
  }

  @Nullable
  @Deprecated
  /**
   * @deprecated to remove in IDEA 15
   */
  public RunContentDescriptor attachVirtualMachine(Executor executor,
                                                   @NotNull ProgramRunner runner,
                                                   @NotNull ExecutionEnvironment environment,
                                                   RunProfileState state,
                                                   RunContentDescriptor reuseContent,
                                                   RemoteConnection remoteConnection,
                                                   boolean pollConnection) throws ExecutionException {
    return attachVirtualMachine(new ExecutionEnvironmentBuilder(environment)
                                  .executor(executor)
                                  .runner(runner)
                                  .contentToReuse(reuseContent)
                                  .build(), state, remoteConnection, pollConnection);
  }

  @Nullable
  public RunContentDescriptor attachVirtualMachine(@NotNull ExecutionEnvironment environment,
                                                   RunProfileState state,
                                                   RemoteConnection remoteConnection,
                                                   boolean pollConnection) throws ExecutionException {
    return attachVirtualMachine(new DefaultDebugUIEnvironment(environment, state, remoteConnection, pollConnection));
  }

  @Nullable
  public RunContentDescriptor attachVirtualMachine(DebugUIEnvironment environment) throws ExecutionException {
    final DebugEnvironment modelEnvironment = environment.getEnvironment();
    final DebuggerSession debuggerSession = DebuggerManagerEx.getInstanceEx(myProject).attachVirtualMachine(modelEnvironment);
    if (debuggerSession == null) {
      return null;
    }

    final DebugProcessImpl debugProcess = debuggerSession.getProcess();
    if (debugProcess.isDetached() || debugProcess.isDetaching()) {
      debuggerSession.dispose();
      return null;
    }
    if (modelEnvironment.isRemote()) {
      // optimization: that way BatchEvaluator will not try to lookup the class file in remote VM
      // which is an expensive operation when executed first time
      debugProcess.putUserData(BatchEvaluator.REMOTE_SESSION_KEY, Boolean.TRUE);
    }

    XDebugSession debugSession =
      XDebuggerManager.getInstance(myProject).startSessionAndShowTab(modelEnvironment.getSessionName(), environment.getReuseContent(), new XDebugProcessStarter() {
        @Override
        @NotNull
        public XDebugProcess start(@NotNull XDebugSession session) {
          return new JavaDebugProcess(session, debuggerSession);
        }
      });
    return debugSession.getRunContentDescriptor();
  }


  @Override
  public void projectOpened() {
    myProject.getMessageBus().connect(myProject).subscribe(RunContentManager.TOPIC, new RunContentWithExecutorListener() {
      @Override
      public void contentSelected(@Nullable RunContentDescriptor descriptor, @NotNull Executor executor) {
        if (executor == DefaultDebugExecutor.getDebugExecutorInstance()) {
          DebuggerSession session = descriptor == null ? null : getSession(myProject, descriptor.getExecutionConsole());
          if (session != null) {
            getContextManager().setState(session.getContextManager().getContext(), session.getState(), DebuggerSession.EVENT_CONTEXT, null);
          }
          else {
            getContextManager().setState(DebuggerContextImpl.EMPTY_CONTEXT, DebuggerSession.STATE_DISPOSED, DebuggerSession.EVENT_CONTEXT, null);
          }
        }
      }

      @Override
      public void contentRemoved(@Nullable RunContentDescriptor descriptor, @NotNull Executor executor) {
      }
    });
  }

  @Override
  public void projectClosed() {
  }

  @Override
  @NotNull
  public String getComponentName() {
    return "DebuggerPanelsManager";
  }

  @Override
  public void initComponent() {
  }

  @Override
  public void disposeComponent() {
  }

  public static DebuggerPanelsManager getInstance(Project project) {
    return project.getComponent(DebuggerPanelsManager.class);
  }

  @Nullable
  public MainWatchPanel getWatchPanel() {
    DebuggerSessionTab sessionTab = getSessionTab();
    return sessionTab != null ? sessionTab.getWatchPanel() : null;
  }

  @Nullable
  public DebuggerSessionTab getSessionTab() {
    DebuggerContextImpl context = DebuggerManagerEx.getInstanceEx(myProject).getContext();
    return getSessionTab(context.getDebuggerSession());
  }

  public void showFramePanel() {
    DebuggerSessionTab sessionTab = getSessionTab();
    if (sessionTab != null) {
      sessionTab.showFramePanel();
    }
  }

  public void toFront(DebuggerSession session) {
    DebuggerSessionTab sessionTab = getSessionTab(session);
    if (sessionTab != null) {
      sessionTab.toFront(true);
    }
  }

  private static DebuggerSession getSession(Project project, ExecutionConsole console) {
    XDebugSession session = XDebuggerManager.getInstance(project).getDebugSession(console);
    if (session != null) {
      XDebugProcess process = session.getDebugProcess();
      if (process instanceof JavaDebugProcess) {
        return ((JavaDebugProcess)process).getDebuggerSession();
      }
    }
    return null;
  }

  @Nullable
  private DebuggerSessionTab getSessionTab(DebuggerSession session) {
    //return session != null ? getSessionTab(session.getProcess().getExecutionResult().getProcessHandler()) : null;
    return null;
  }

}