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Diffstat (limited to 'src/com/android/launcher3/ThemeChangedReceiver.java')
-rw-r--r-- | src/com/android/launcher3/ThemeChangedReceiver.java | 70 |
1 files changed, 70 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..9af5da4b7 --- /dev/null +++ b/src/com/android/launcher3/ThemeChangedReceiver.java @@ -0,0 +1,70 @@ +/* + * 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 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(); + clearAppIconCache(context); + clearWidgetPreviewCache(context); + app.recreateWidgetPreviewDb(); + app.getIconCache().flush(); + 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; + } + + private void clearWidgetPreviewCache(Context context) { + context.deleteDatabase(LauncherFiles.WIDGET_PREVIEWS_DB); + } + + private void clearAppIconCache(Context context) { + context.deleteDatabase(LauncherFiles.APP_ICONS_DB); + } +} |