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Diffstat (limited to 'src/com/android/camera/ui/LayoutChangeHelper.java')
-rw-r--r-- | src/com/android/camera/ui/LayoutChangeHelper.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/LayoutChangeHelper.java b/src/com/android/camera/ui/LayoutChangeHelper.java new file mode 100644 index 000000000..ef4eb6a7a --- /dev/null +++ b/src/com/android/camera/ui/LayoutChangeHelper.java @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2012 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 com.android.camera.ui; + +import android.view.View; + +public class LayoutChangeHelper implements LayoutChangeNotifier { + private LayoutChangeNotifier.Listener mListener; + private boolean mFirstTimeLayout; + private View mView; + + public LayoutChangeHelper(View v) { + mView = v; + mFirstTimeLayout = true; + } + + @Override + public void setOnLayoutChangeListener(LayoutChangeNotifier.Listener listener) { + mListener = listener; + } + + public void onLayout(boolean changed, int l, int t, int r, int b) { + if (mListener == null) return; + if (mFirstTimeLayout || changed) { + mFirstTimeLayout = false; + mListener.onLayoutChange(mView, l, t, r, b); + } + } +} |