drop old backends

plugins/org.chromium.sdk.wipbackend.wk120709/src/org/chromium/sdk/internal/wip/WipBreakpointManager.java

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.sdk.internal.wip;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.chromium.sdk.Breakpoint;
-import org.chromium.sdk.Breakpoint.Target;
-import org.chromium.sdk.JavascriptVm.BreakpointCallback;
-import org.chromium.sdk.RelayOk;
-import org.chromium.sdk.SyncCallback;
-import org.chromium.sdk.TextStreamPosition;
-import org.chromium.sdk.internal.wip.protocol.input.debugger.BreakpointResolvedEventData;
-import org.chromium.sdk.util.RelaySyncCallback;
-
-/**
- * A manager that works as factory for breakpoints.
- */
-public class WipBreakpointManager {
-  private final WipTabImpl tabImpl;
-  private final AtomicInteger breakpointUniqueId = new AtomicInteger(0);
-  private final Db db = new Db();
-
-  WipBreakpointManager(WipTabImpl tabImpl) {
-    this.tabImpl = tabImpl;
-  }
-
-  RelayOk setBreakpoint(Breakpoint.Target target, final int line, final int column,
-      final boolean enabled, String condition,
-      final BreakpointCallback callback, SyncCallback syncCallback) {
-
-    int sdkId = breakpointUniqueId.getAndAdd(1);
-
-    final WipBreakpointImpl breakpointImpl = new WipBreakpointImpl(this, sdkId,
-        target, line, column, condition, enabled);
-
-    db.addBreakpoint(breakpointImpl);
-
-    if (enabled) {
-      if (condition == null) {
-        condition = "";
-      }
-
-      WipBreakpointImpl.SetBreakpointCallback wrappedCallback =
-          new WipBreakpointImpl.SetBreakpointCallback() {
-        @Override
-        public void onSuccess(String protocolId,
-            Collection<WipBreakpointImpl.ActualLocation> actualLocations) {
-          breakpointImpl.setRemoteData(protocolId, actualLocations);
-          if (callback != null) {
-            callback.success(breakpointImpl);
-          }
-        }
-
-        @Override
-        public void onFailure(Exception exception) {
-          if (callback != null) {
-            callback.failure(exception.getMessage());
-          }
-        }
-      };
-
-      return WipBreakpointImpl.sendSetBreakpointRequest(target, line, column, condition,
-          wrappedCallback, syncCallback, tabImpl.getCommandProcessor());
-    } else {
-      callback.success(breakpointImpl);
-      return RelaySyncCallback.finish(syncCallback);
-    }
-  }
-
-  Db getDb() {
-    return db;
-  }
-
-  void clearNonProvisionalBreakpoints() {
-    db.visitAllBreakpoints(new Db.Visitor<Void>() {
-      @Override
-      public Void visitAllBreakpoints(Set<WipBreakpointImpl> breakpoints) {
-        List<WipBreakpointImpl> deleteList = new ArrayList<WipBreakpointImpl>();
-        for (WipBreakpointImpl breakpoint : breakpoints) {
-          if (breakpoint.getTarget().accept(IS_SCRIPT_ID_VISITOR)) {
-            deleteList.add(breakpoint);
-          } else {
-            breakpoint.clearActualLocations();
-          }
-        }
-        for (WipBreakpointImpl breakpoint : deleteList) {
-          breakpoint.deleteSelfFromDb();
-        }
-        return null;
-      }
-    });
-  }
-
-  private static final Breakpoint.Target.Visitor<Boolean> IS_SCRIPT_ID_VISITOR =
-      new Breakpoint.Target.Visitor<Boolean>() {
-    @Override
-    public Boolean visitScriptName(String scriptName) {
-      return Boolean.FALSE;
-    }
-
-    @Override
-    public Boolean visitScriptId(Object scriptId) {
-      return Boolean.TRUE;
-    }
-
-    @Override
-    public Boolean visitUnknown(Target target) {
-      return Boolean.FALSE;
-    }
-  };
-
-  WipCommandProcessor getCommandProcessor() {
-    return tabImpl.getCommandProcessor();
-  }
-
-  Collection<WipBreakpointImpl> getAllBreakpoints() {
-    return db.visitAllBreakpoints(new Db.Visitor<Collection<WipBreakpointImpl>>() {
-      @Override
-      public Collection<WipBreakpointImpl> visitAllBreakpoints(
-          Set<WipBreakpointImpl> breakpoints) {
-        return new ArrayList<WipBreakpointImpl>(breakpoints);
-      }
-    });
-  }
-
-  void breakpointReportedResolved(BreakpointResolvedEventData eventData) {
-    String breakpointId = eventData.breakpointId();
-    WipBreakpointImpl breakpoint = db.getBreakpoint(breakpointId);
-    if (breakpoint == null) {
-      throw new RuntimeException("Failed to find breakpoint by id: " + breakpointId);
-    }
-    breakpoint.addResolvedLocation(eventData.location());
-  }
-
-  // Accessed from Dispatch thread.
-  public Collection<? extends Breakpoint> findRelatedBreakpoints(
-      WipContextBuilder.WipDebugContextImpl.CallFrameImpl topFrame) {
-    TextStreamPosition position = topFrame.getStatementStartPosition();
-    int line = position.getLine();
-    int column = position.getColumn();
-
-    String scriptId = topFrame.getSourceId();
-    final WipBreakpointImpl.ActualLocation location =
-        new WipBreakpointImpl.ActualLocation(scriptId, line, Long.valueOf(column));
-
-    return db.visitAllBreakpoints(new Db.Visitor<List<Breakpoint>>() {
-      @Override
-      public List<Breakpoint> visitAllBreakpoints(Set<WipBreakpointImpl> breakpoints) {
-        List<Breakpoint> result = new ArrayList<Breakpoint>(1);
-        for (WipBreakpointImpl breakpoint : breakpoints) {
-          if (breakpoint.getActualLocations().contains(location)) {
-            result.add(breakpoint);
-          }
-        }
-        return result;
-      }
-    });
-  }
-
-  /**
-   * Breakpoint data-base. Keeps track of all instances and their protocol-id -> instance mapping.
-   * The name implies that it doesn't manage anything, only stores data.
-   */
-  static class Db {
-    // Accessed from any thread.
-    private final Set<WipBreakpointImpl> breakpoints = new HashSet<WipBreakpointImpl>();
-
-    // Access from Dispatch thread only.
-    private final Map<String, WipBreakpointImpl> idToBreakpoint =
-        new HashMap<String, WipBreakpointImpl>();
-
-    void addBreakpoint(WipBreakpointImpl breakpoint) {
-      synchronized (breakpoints) {
-        breakpoints.add(breakpoint);
-      }
-    }
-
-    void removeBreakpoint(WipBreakpointImpl breakpoint) {
-      synchronized (breakpoints) {
-        breakpoints.remove(breakpoint);
-      }
-    }
-
-    void setIdMapping(WipBreakpointImpl breakpoint,
-        String protocolId) {
-      if (protocolId == null) {
-        idToBreakpoint.remove(protocolId);
-      } else {
-        idToBreakpoint.put(protocolId, breakpoint);
-      }
-    }
-
-    WipBreakpointImpl getBreakpoint(String breakpointId) {
-      return idToBreakpoint.get(breakpointId);
-    }
-
-    /**
-     * Gives a synchronized access to all breakpoints.
-     */
-    <R> R visitAllBreakpoints(Visitor<R> visitor) {
-      synchronized (breakpoints) {
-        return visitor.visitAllBreakpoints(breakpoints);
-      }
-    }
-
-    interface Visitor<R> {
-      R visitAllBreakpoints(Set<WipBreakpointImpl> breakpoints);
-    }
-  }
-}