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authorClark Scheff <clark@cyngn.com>2014-06-10 22:01:34 (GMT)
committerd34d <clark@cyngn.com>2015-04-22 16:23:02 (GMT)
commit50f78e36b079bbe14bcb50064d28940358d42544 (patch)
treea7f2bc9f05d740041c9609bc9ba2d6cb5de38711
parent5a581a75b712634423882ed455dd09fbc6d920d2 (diff)
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Handle theme changes
Change-Id: I85208f3d6b572fb7a161db79cd3b74c1102dbba2
-rw-r--r--AndroidManifest.xml6
-rw-r--r--src/com/android/launcher3/ThemeChangedReceiver.java78
2 files changed, 84 insertions, 0 deletions
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e60ae58..7e2a02f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -219,6 +219,12 @@
</intent-filter>
</receiver>
+ <receiver android:name="com.android.launcher3.ThemeChangedReceiver" >
+ <intent-filter>
+ <action android:name="org.cyanogenmod.intent.action.THEME_CHANGED"/>
+ </intent-filter>
+ </receiver>
+
<!-- The settings provider contains Home's data, like the workspace favorites -->
<provider
android:name="com.android.launcher3.LauncherProvider"
diff --git a/src/com/android/launcher3/ThemeChangedReceiver.java b/src/com/android/launcher3/ThemeChangedReceiver.java
new file mode 100644
index 0000000..12c9ef7
--- /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();
+ }
+ }
+ }
+}