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author | Clark Scheff <clark@cyngn.com> | 2014-06-10 15:01:34 -0700 |
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committer | Michael Bestas <mikeioannina@gmail.com> | 2015-04-23 01:17:46 +0000 |
commit | d9630aa57e6878d146c772453197e837895e0e35 (patch) | |
tree | e965e83e666ea958e67e6a59e8b12a1f37b0b9ff /src/com | |
parent | 468befc381e6b6f1f1d8ed3cf4c6a69ff7d3e6ca (diff) | |
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Handle theme changes
Change-Id: I85208f3d6b572fb7a161db79cd3b74c1102dbba2
(cherry picked from commit 50f78e36b079bbe14bcb50064d28940358d42544)
Diffstat (limited to 'src/com')
-rw-r--r-- | src/com/android/launcher3/ThemeChangedReceiver.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/com/android/launcher3/ThemeChangedReceiver.java b/src/com/android/launcher3/ThemeChangedReceiver.java new file mode 100644 index 000000000..12c9ef755 --- /dev/null +++ b/src/com/android/launcher3/ThemeChangedReceiver.java @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2015 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 com.android.launcher3; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +import static com.android.launcher3.WidgetPreviewLoader.CacheDb.DB_NAME; + +import java.io.File; +import java.util.ArrayList; + +public class ThemeChangedReceiver extends BroadcastReceiver { + private static final String EXTRA_COMPONENTS = "components"; + + public static final String MODIFIES_ICONS = "mods_icons"; + public static final String MODIFIES_FONTS = "mods_fonts"; + public static final String MODIFIES_OVERLAYS = "mods_overlays"; + + public void onReceive(Context context, Intent intent) { + // components is a string array of the components that changed + ArrayList<String> components = intent.getStringArrayListExtra(EXTRA_COMPONENTS); + if (isInterestingThemeChange(components)) { + LauncherAppState app = LauncherAppState.getInstance(); + app.getIconCache().flush(); + clearWidgetPreviewCache(context); + app.recreateWidgetPreviewDb(); + app.getModel().forceReload(); + } + } + + /** + * We consider this an "interesting" theme change if it modifies icons, overlays, or fonts. + * @param components + * @return + */ + private boolean isInterestingThemeChange(ArrayList<String> components) { + if (components != null) { + for (String component : components) { + if (component.equals(MODIFIES_ICONS) || + component.equals(MODIFIES_FONTS) || + component.equals(MODIFIES_OVERLAYS)) { + return true; + } + } + } + return false; + } + + /** + * Normally we could use context.deleteDatabase() but this db is in cache/ so we'll + * manually delete it and the journal ourselves. + * + * @param context + */ + private void clearWidgetPreviewCache(Context context) { + File[] files = context.getCacheDir().listFiles(); + if (files != null) { + for (File f : files) { + if (!f.isDirectory() && f.getName().startsWith(DB_NAME)) f.delete(); + } + } + } +} |