Themes: Process applied themes before boot finishes

Because apps on /system can change during a reboot, think OTA, we
need to make sure the currently applied theme(s) are processed
before boot completes, otherwise bad things will happen.

Change-Id: Ib286af2d5578723265b3df3936d9fe5c8665a9da
TICKET: CYNGNOS-1726

1 files changed, 41 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index f69ed7d..8abb9f0 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -15386,6 +15386,9 @@ public class PackageManagerService extends IPackageManager.Stub {
         int[] grantPermissionsUserIds = EMPTY_INT_ARRAY;
 
         synchronized (mPackages) {
+            // process applied themes so their resources are up to date and ready use
+            processAppliedThemes();
+
             // Verify that all of the preferred activity components actually
             // exist.  It is possible for applications to be updated and at
             // that point remove a previously declared activity component that
@@ -17749,6 +17752,44 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    /**
+     * Makes sure resources and idmaps for themes that are applied are up to date.  This should only
+     * impact boots when something on /system has changed.
+     */
+    private void processAppliedThemes() {
+        ThemeConfig themeConfig = ThemeConfig.getBootTheme(mContext.getContentResolver());
+        if (themeConfig == null) return;
+
+        // gather up all the themes applied and then process them
+        Set<String> themesToProcess = new ArraySet<String>();
+        // process theme set for icons
+        if (themeConfig.getIconPackPkgName() != null) {
+            themesToProcess.add(themeConfig.getIconPackPkgName());
+        }
+        // process theme set for non-app specific overlays
+        if (themeConfig.getOverlayPkgName() != null) {
+            themesToProcess.add(themeConfig.getOverlayPkgName());
+        }
+        // process theme set for status bar
+        if (themeConfig.getOverlayForStatusBar() != null) {
+            themesToProcess.add(themeConfig.getOverlayForStatusBar());
+        }
+        // process theme set for navigation bar
+        if (themeConfig.getOverlayForNavBar() != null) {
+            themesToProcess.add(themeConfig.getOverlayForNavBar());
+        }
+        // process themes set for specific apps
+        Map<String, ThemeConfig.AppTheme> appThemesMap = themeConfig.getAppThemes();
+        for (String themePkgName : appThemesMap.keySet()) {
+            themesToProcess.add(themePkgName);
+        }
+
+        // now start the processing
+        for (String themePkgName : themesToProcess) {
+            processThemeResources(themePkgName);
+        }
+    }
+
     private void createAndSetCustomResources() {
         Configuration tempConfiguration = new Configuration();
         String mcc = SystemProperties.get("ro.prebundled.mcc");