1 files changed, 198 insertions, 0 deletions
diff --git a/telecomm/java/android/telecom/RemoteConference.java b/telecomm/java/android/telecom/RemoteConference.java
new file mode 100644
index 0000000..996e091
--- /dev/null
+++ b/telecomm/java/android/telecom/RemoteConference.java
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 android.telecom;
+
+import com.android.internal.telecom.IConnectionService;
+
+import android.os.RemoteException;
+import android.telephony.DisconnectCause;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.CopyOnWriteArraySet;
+
+/**
+ * Represents a conference call which can contain any number of {@link Connection} objects.
+ */
+public final class RemoteConference {
+
+    public abstract static class Callback {
+        public void onStateChanged(RemoteConference conference, int oldState, int newState) {}
+        public void onDisconnected(RemoteConference conference, int cause, String message) {}
+        public void onConnectionAdded(RemoteConference conference, RemoteConnection connection) {}
+        public void onConnectionRemoved(RemoteConference conference, RemoteConnection connection) {}
+        public void onCapabilitiesChanged(RemoteConference conference, int capabilities) {}
+        public void onDestroyed(RemoteConference conference) {}
+    }
+
+    private final String mId;
+    private final IConnectionService mConnectionService;
+
+    private final Set<Callback> mCallbacks = new CopyOnWriteArraySet<>();
+    private final List<RemoteConnection> mChildConnections = new CopyOnWriteArrayList<>();
+    private final List<RemoteConnection> mUnmodifiableChildConnections =
+            Collections.unmodifiableList(mChildConnections);
+
+    private int mState = Connection.STATE_NEW;
+    private int mDisconnectCause = DisconnectCause.NOT_VALID;
+    private int mCallCapabilities;
+    private String mDisconnectMessage;
+
+    /** {@hide} */
+    RemoteConference(String id, IConnectionService connectionService) {
+        mId = id;
+        mConnectionService = connectionService;
+    }
+
+    /** {@hide} */
+    String getId() {
+        return mId;
+    }
+
+    /** {@hide} */
+    void setDestroyed() {
+        for (RemoteConnection connection : mChildConnections) {
+            connection.setConference(null);
+        }
+        for (Callback c : mCallbacks) {
+            c.onDestroyed(this);
+        }
+    }
+
+    /** {@hide} */
+    void setState(int newState) {
+        if (newState != Connection.STATE_ACTIVE &&
+                newState != Connection.STATE_HOLDING &&
+                newState != Connection.STATE_DISCONNECTED) {
+            Log.w(this, "Unsupported state transition for Conference call.",
+                    Connection.stateToString(newState));
+            return;
+        }
+
+        if (mState != newState) {
+            int oldState = mState;
+            mState = newState;
+            for (Callback c : mCallbacks) {
+                c.onStateChanged(this, oldState, newState);
+            }
+        }
+    }
+
+    /** {@hide} */
+    void addConnection(RemoteConnection connection) {
+        if (!mChildConnections.contains(connection)) {
+            mChildConnections.add(connection);
+            connection.setConference(this);
+            for (Callback c : mCallbacks) {
+                c.onConnectionAdded(this, connection);
+            }
+        }
+    }
+
+    /** {@hide} */
+    void removeConnection(RemoteConnection connection) {
+        if (mChildConnections.contains(connection)) {
+            mChildConnections.remove(connection);
+            connection.setConference(null);
+            for (Callback c : mCallbacks) {
+                c.onConnectionRemoved(this, connection);
+            }
+        }
+    }
+
+    /** {@hide} */
+    void setCallCapabilities(int capabilities) {
+        if (mCallCapabilities != capabilities) {
+            mCallCapabilities = capabilities;
+            for (Callback c : mCallbacks) {
+                c.onCapabilitiesChanged(this, mCallCapabilities);
+            }
+        }
+    }
+
+    /** {@hide} */
+    void setDisconnected(int cause, String message) {
+        if (mState != Connection.STATE_DISCONNECTED) {
+            mDisconnectCause = cause;
+            mDisconnectMessage = message;
+            setState(Connection.STATE_DISCONNECTED);
+            for (Callback c : mCallbacks) {
+                c.onDisconnected(this, cause, message);
+            }
+        }
+    }
+
+    public final List<RemoteConnection> getConnections() {
+        return mUnmodifiableChildConnections;
+    }
+
+    public final int getState() {
+        return mState;
+    }
+
+    public final int getCallCapabilities() {
+        return mCallCapabilities;
+    }
+
+    public void disconnect() {
+        try {
+            mConnectionService.disconnect(mId);
+        } catch (RemoteException e) {
+        }
+    }
+
+    public void separate(RemoteConnection connection) {
+        if (mChildConnections.contains(connection)) {
+            try {
+                mConnectionService.splitFromConference(connection.getId());
+            } catch (RemoteException e) {
+            }
+        }
+    }
+
+    public void hold() {
+        try {
+            mConnectionService.hold(mId);
+        } catch (RemoteException e) {
+        }
+    }
+
+    public void unhold() {
+        try {
+            mConnectionService.unhold(mId);
+        } catch (RemoteException e) {
+        }
+    }
+
+    public int getDisconnectCause() {
+        return mDisconnectCause;
+    }
+
+    public String getDisconnectMessage() {
+        return mDisconnectMessage;
+    }
+
+    public final void registerCallback(Callback callback) {
+        mCallbacks.add(callback);
+    }
+
+    public final void unregisterCallback(Callback callback) {
+        mCallbacks.remove(callback);
+    }
+}