| /* |
| * Copyright (C) 2007 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.webkit; |
| |
| |
| public class JsResult { |
| // This prevents a user from interacting with the result before WebCore is |
| // ready to handle it. |
| private boolean mReady; |
| // Tells us if the user tried to confirm or cancel the result before WebCore |
| // is ready. |
| private boolean mTriedToNotifyBeforeReady; |
| // This is a basic result of a confirm or prompt dialog. |
| protected boolean mResult; |
| // This is the caller of the prompt and is the object that is waiting. |
| protected final CallbackProxy mProxy; |
| // This is the default value of the result. |
| private final boolean mDefaultValue; |
| |
| /** |
| * Handle the result if the user cancelled the dialog. |
| */ |
| public final void cancel() { |
| mResult = false; |
| wakeUp(); |
| } |
| |
| /** |
| * Handle a confirmation response from the user. |
| */ |
| public final void confirm() { |
| mResult = true; |
| wakeUp(); |
| } |
| |
| /*package*/ JsResult(CallbackProxy proxy, boolean defaultVal) { |
| mProxy = proxy; |
| mDefaultValue = defaultVal; |
| } |
| |
| /*package*/ final boolean getResult() { |
| return mResult; |
| } |
| |
| /*package*/ final void setReady() { |
| mReady = true; |
| if (mTriedToNotifyBeforeReady) { |
| wakeUp(); |
| } |
| } |
| |
| /*package*/ void handleDefault() { |
| setReady(); |
| mResult = mDefaultValue; |
| wakeUp(); |
| } |
| |
| /* Wake up the WebCore thread. */ |
| protected final void wakeUp() { |
| if (mReady) { |
| synchronized (mProxy) { |
| mProxy.notify(); |
| } |
| } else { |
| mTriedToNotifyBeforeReady = true; |
| } |
| } |
| } |