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author | Nick Chalko <nchalko@google.com> | 2017-05-04 14:37:34 -0700 |
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committer | Nick Chalko <nchalko@google.com> | 2017-05-05 06:18:44 -0700 |
commit | 3dfa929b24f38ac7836450176d88ceab41dc6ac5 (patch) | |
tree | 675a324760c582713e2e0080775ea17357f75b65 /src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java | |
parent | fddf3fd148c1fc94c48ee5684e47dbb56512e758 (diff) | |
download | TV-3dfa929b24f38ac7836450176d88ceab41dc6ac5.tar.gz |
Sync to ub-tv-dev at f0024d79653da8c8999a91f995431a645a6ff4a2
Change-Id: I4199ec04cacb4a78be58b85302a39d917658dc28
Diffstat (limited to 'src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java')
-rw-r--r-- | src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java b/src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java new file mode 100644 index 00000000..82fe9ce3 --- /dev/null +++ b/src/com/android/tv/dvr/ui/browse/DetailsViewBackgroundHelper.java @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2016 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.tv.dvr.ui.browse; + +import android.app.Activity; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.ColorDrawable; +import android.graphics.drawable.Drawable; +import android.os.Handler; +import android.support.v17.leanback.app.BackgroundManager; + +/** + * The Background Helper. + */ +class DetailsViewBackgroundHelper { + // Background delay serves to avoid kicking off expensive bitmap loading + // in case multiple backgrounds are set in quick succession. + private static final int SET_BACKGROUND_DELAY_MS = 100; + + private final BackgroundManager mBackgroundManager; + + class LoadBackgroundRunnable implements Runnable { + final Drawable mBackGround; + + LoadBackgroundRunnable(Drawable background) { + mBackGround = background; + } + + @Override + public void run() { + if (!mBackgroundManager.isAttached()) { + return; + } + if (mBackGround instanceof BitmapDrawable) { + mBackgroundManager.setBitmap(((BitmapDrawable) mBackGround).getBitmap()); + } + mRunnable = null; + } + } + + private LoadBackgroundRunnable mRunnable; + + private final Handler mHandler = new Handler(); + + public DetailsViewBackgroundHelper(Activity activity) { + mBackgroundManager = BackgroundManager.getInstance(activity); + mBackgroundManager.attach(activity.getWindow()); + } + + /** + * Sets the given image to background. + */ + public void setBackground(Drawable background) { + if (mRunnable != null) { + mHandler.removeCallbacks(mRunnable); + } + mRunnable = new LoadBackgroundRunnable(background); + mHandler.postDelayed(mRunnable, SET_BACKGROUND_DELAY_MS); + } + + /** + * Sets the background color. + */ + public void setBackgroundColor(int color) { + if (mBackgroundManager.isAttached()) { + mBackgroundManager.setColor(color); + } + } + + /** + * Sets the background scrim. + */ + public void setScrim(int color) { + if (mBackgroundManager.isAttached()) { + mBackgroundManager.setDimLayer(new ColorDrawable(color)); + } + } +} |