diff options
Diffstat (limited to 'src/org/cyanogenmod/themes/provider/util/BootAnimationPreviewGenerator.java')
-rw-r--r-- | src/org/cyanogenmod/themes/provider/util/BootAnimationPreviewGenerator.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/themes/provider/util/BootAnimationPreviewGenerator.java b/src/org/cyanogenmod/themes/provider/util/BootAnimationPreviewGenerator.java new file mode 100644 index 0000000..61771a7 --- /dev/null +++ b/src/org/cyanogenmod/themes/provider/util/BootAnimationPreviewGenerator.java @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2014 The CyanogenMod 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 org.cyanogenmod.themes.provider.util; + +import android.content.Context; +import android.content.pm.PackageManager; +import android.content.res.ThemeConfig; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.view.View; +import android.widget.ImageView; +import org.cyanogenmod.themes.provider.R; + +import java.io.BufferedInputStream; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.zip.ZipEntry; +import java.util.zip.ZipInputStream; + +public class BootAnimationPreviewGenerator { + public static final String SYSTEM_BOOT_ANI_PATH = "/system/media/bootanimation.zip"; + public static final String THEME_BOOT_ANI_PATH = "bootanimation/bootanimation.zip"; + + private Context mContext; + + public BootAnimationPreviewGenerator(Context context) { + mContext = context; + } + + public Bitmap generateBootAnimationPreview(String pkgName) + throws IOException, PackageManager.NameNotFoundException { + ZipInputStream zis; + String previewName; + if (ThemeConfig.SYSTEM_DEFAULT.equals(pkgName)) { + previewName = getPreviewFrameEntryName(new FileInputStream(SYSTEM_BOOT_ANI_PATH)); + zis = new ZipInputStream(new FileInputStream(SYSTEM_BOOT_ANI_PATH)); + } else { + final Context themeCtx = mContext.createPackageContext(pkgName, 0); + previewName = getPreviewFrameEntryName(themeCtx.getAssets().open(THEME_BOOT_ANI_PATH)); + zis = new ZipInputStream(themeCtx.getAssets().open(THEME_BOOT_ANI_PATH)); + } + ZipEntry ze; + Bitmap bmp = null; + while ((ze = zis.getNextEntry()) != null) { + final String entryName = ze.getName(); + if (entryName.equals(previewName)) { + bmp = BitmapFactory.decodeStream(zis); + break; + } + } + zis.close(); + + View v = View.inflate(mContext, R.layout.bootanimation_preview, null); + ImageView iv = (ImageView) v.findViewById(R.id.preview); + iv.setImageBitmap(bmp); + return LayoutRenderUtils.renderViewToBitmap(v); + } + + private String getPreviewFrameEntryName(InputStream is) throws IOException { + ZipInputStream zis = (is instanceof ZipInputStream) ? (ZipInputStream) is + : new ZipInputStream(new BufferedInputStream(is)); + ZipEntry ze; + String previewName = null; + long max = 0; + while ((ze = zis.getNextEntry()) != null) { + final String entryName = ze.getName(); + if (entryName.contains("/") + && (entryName.endsWith(".png") || entryName.endsWith(".jpg"))) { + if(ze.getSize() > max) { + previewName = entryName; + max = ze.getSize(); + } + } + } + zis.close(); + + return previewName; + } +} |