01: // Copyright 2006 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.runtime;
16:
17: /**
18: * A set of methods that allow components to know about page-level operations.
19: */
20: public interface PageLifecycleListener {
21: /**
22: * Invoked when the page finishes loading. This occurs once all components are loaded and all
23: * parameters have been set.
24: */
25: void containingPageDidLoad();
26:
27: /**
28: * Invoked when the page is detached, allowing components a chance to clear out any temporary or
29: * client specific state.
30: */
31: void containingPageDidDetach();
32:
33: /**
34: * Invoked when a page is first attached to the current request, giving components a chance to
35: * initialize for the current request.
36: */
37:
38: void containingPageDidAttach();
39: }
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