Examples with PackageRedirectionMap android.content.res.PackageRedirectionMap used on opensource projects

Example 1 with PackageRedirectionMap

use of android.content.res.PackageRedirectionMap in project android_frameworks_base by ParanoidAndroid.

the class ActivityThread method attachThemeAssets.

/**
     * Attach the necessary theme asset paths and meta information to convert an
     * AssetManager to being globally "theme-aware".
     *
     * @param assets
     * @param theme
     * @return true if the AssetManager is now theme-aware; false otherwise.
     *         This can fail, for example, if the theme package has been been
     *         removed and the theme manager has yet to revert formally back to
     *         the framework default.
     */
private boolean attachThemeAssets(AssetManager assets, CustomTheme theme) {
    IAssetRedirectionManager rm = getAssetRedirectionManager();
    if (rm == null) {
        return false;
    }
    PackageInfo pi = null;
    try {
        pi = getPackageManager().getPackageInfo(theme.getThemePackageName(), 0, UserHandle.myUserId());
    } catch (RemoteException e) {
    }
    if (pi != null && pi.applicationInfo != null && pi.themeInfos != null) {
        String themeResDir = pi.applicationInfo.publicSourceDir;
        int cookie = assets.attachThemePath(themeResDir);
        if (cookie != 0) {
            String themePackageName = theme.getThemePackageName();
            String themeId = theme.getThemeId();
            int N = assets.getBasePackageCount();
            for (int i = 0; i < N; i++) {
                String packageName = assets.getBasePackageName(i);
                int packageId = assets.getBasePackageId(i);
                /*
                     * For now, we only consider redirections coming from the
                     * framework or regular android packages. This excludes
                     * themes and other specialty APKs we are not aware of.
                     */
                if (packageId != 0x01 && packageId != 0x7f) {
                    continue;
                }
                try {
                    PackageRedirectionMap map = rm.getPackageRedirectionMap(themePackageName, themeId, packageName);
                    if (map != null) {
                        assets.addRedirections(map);
                    }
                } catch (RemoteException e) {
                    Log.e(TAG, "Failure accessing package redirection map, removing theme support.");
                    assets.detachThemePath(themePackageName, cookie);
                    return false;
                }
            }
            assets.setThemePackageName(theme.getThemePackageName());
            assets.setThemeCookie(cookie);
            return true;
        } else {
            Log.e(TAG, "Unable to attach theme assets at " + themeResDir);
        }
    }
    return false;
}

Example 2 with PackageRedirectionMap

use of android.content.res.PackageRedirectionMap in project android_frameworks_base by ParanoidAndroid.

the class AssetRedirectionManagerService method generatePackageRedirectionMap.

private PackageRedirectionMap generatePackageRedirectionMap(RedirectionKey key) {
    AssetManager assets = new AssetManager();
    boolean frameworkAssets = key.targetPackageName.equals("android");
    if (!frameworkAssets) {
        PackageInfo pi = getPackageInfo(mContext, key.targetPackageName);
        if (pi == null || pi.applicationInfo == null || assets.addAssetPath(pi.applicationInfo.publicSourceDir) == 0) {
            Log.w(TAG, "Unable to attach target package assets for " + key.targetPackageName);
            return null;
        }
    }
    PackageInfo pi = getPackageInfo(mContext, key.themePackageName);
    if (pi == null || pi.applicationInfo == null || pi.themeInfos == null || assets.addAssetPath(pi.applicationInfo.publicSourceDir) == 0) {
        Log.w(TAG, "Unable to attach theme package assets from " + key.themePackageName);
        return null;
    }
    PackageRedirectionMap resMap = new PackageRedirectionMap();
    /*
         * Apply a special redirection hack for the highest level <style>
         * replacing @android:style/Theme.
         */
    if (frameworkAssets) {
        int themeResourceId = findThemeResourceId(pi.themeInfos, key.themeId);
        assets.generateStyleRedirections(resMap.getNativePointer(), android.R.style.Theme, themeResourceId);
    }
    Resources res = new Resources(assets, null, null);
    generateExplicitRedirections(resMap, res, key.themePackageName, key.targetPackageName);
    return resMap;
}

Example 3 with PackageRedirectionMap

use of android.content.res.PackageRedirectionMap in project android_frameworks_base by ParanoidAndroid.

the class AssetRedirectionManagerService method getPackageRedirectionMap.

@Override
public PackageRedirectionMap getPackageRedirectionMap(String themePackageName, String themeId, String targetPackageName) throws RemoteException {
    synchronized (mRedirections) {
        RedirectionKey key = new RedirectionKey();
        key.themePackageName = themePackageName;
        key.themeId = themeId;
        key.targetPackageName = targetPackageName;
        PackageRedirectionMap map = mRedirections.get(key);
        if (map != null) {
            return map;
        } else {
            map = generatePackageRedirectionMap(key);
            if (map != null) {
                mRedirections.put(key, map);
            }
            return map;
        }
    }
}

Example 4 with PackageRedirectionMap

use of android.content.res.PackageRedirectionMap in project android_frameworks_base by ParanoidAndroid.

the class AssetRedirectionManagerService method dump.

@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
    synchronized (mRedirections) {
        final ArrayList<RedirectionKey> filteredKeySet = new ArrayList<RedirectionKey>();
        for (Map.Entry<RedirectionKey, PackageRedirectionMap> entry : mRedirections.entrySet()) {
            PackageRedirectionMap map = entry.getValue();
            if (map != null && map.getPackageId() != -1) {
                filteredKeySet.add(entry.getKey());
            }
        }
        Collections.sort(filteredKeySet, new Comparator<RedirectionKey>() {

            @Override
            public int compare(RedirectionKey a, RedirectionKey b) {
                int comp = a.themePackageName.compareTo(b.themePackageName);
                if (comp != 0) {
                    return comp;
                }
                comp = a.themeId.compareTo(b.themeId);
                if (comp != 0) {
                    return comp;
                }
                return a.targetPackageName.compareTo(b.targetPackageName);
            }
        });
        pw.println("Theme asset redirections:");
        String lastPackageName = null;
        String lastId = null;
        Resources themeRes = null;
        for (RedirectionKey key : filteredKeySet) {
            if (lastPackageName == null || !lastPackageName.equals(key.themePackageName)) {
                pw.println("* Theme package " + key.themePackageName + ":");
                lastPackageName = key.themePackageName;
                themeRes = getUnredirectedResourcesForPackage(mContext, key.themePackageName);
            }
            if (lastId == null || !lastId.equals(key.themeId)) {
                pw.println("  theme id #" + key.themeId + ":");
                lastId = key.themeId;
            }
            pw.println("    " + key.targetPackageName + ":");
            Resources targetRes = getUnredirectedResourcesForPackage(mContext, key.targetPackageName);
            PackageRedirectionMap resMap = mRedirections.get(key);
            int[] fromIdents = resMap.getRedirectionKeys();
            int N = fromIdents.length;
            for (int i = 0; i < N; i++) {
                int fromIdent = fromIdents[i];
                int toIdent = resMap.lookupRedirection(fromIdent);
                String fromName = targetRes != null ? targetRes.getResourceName(fromIdent) : null;
                String toName = themeRes != null ? themeRes.getResourceName(toIdent) : null;
                pw.println(String.format("      %s (0x%08x) => %s (0x%08x)", fromName, fromIdent, toName, toIdent));
            }
        }
    }
}