diff options
Diffstat (limited to 'core/java/android/app/ResourcesManager.java')
| -rw-r--r-- | core/java/android/app/ResourcesManager.java | 406 |
1 files changed, 401 insertions, 5 deletions
diff --git a/core/java/android/app/ResourcesManager.java b/core/java/android/app/ResourcesManager.java index 2117597..1b3740c 100644 --- a/core/java/android/app/ResourcesManager.java +++ b/core/java/android/app/ResourcesManager.java @@ -18,22 +18,37 @@ package android.app; import static android.app.ActivityThread.DEBUG_CONFIGURATION; +import android.content.Context; import android.content.pm.ActivityInfo; +import android.content.pm.ApplicationInfo; +import android.content.pm.IPackageManager; +import android.content.pm.PackageInfo; +import android.content.pm.PackageItemInfo; +import android.content.pm.PackageManager; +import android.content.pm.ThemeUtils; import android.content.res.AssetManager; import android.content.res.CompatibilityInfo; import android.content.res.Configuration; +import android.content.res.ThemeConfig; import android.content.res.Resources; import android.content.res.ResourcesKey; import android.hardware.display.DisplayManagerGlobal; +import android.os.IBinder; +import android.os.RemoteException; +import android.os.ServiceManager; +import android.os.UserHandle; +import android.text.TextUtils; import android.util.ArrayMap; import android.util.DisplayMetrics; import android.util.Log; import android.util.Pair; import android.util.Slog; +import android.util.SparseArray; import android.view.Display; import android.view.DisplayAdjustments; import java.lang.ref.WeakReference; +import java.util.List; import java.util.Locale; /** @hide */ @@ -48,6 +63,7 @@ public class ResourcesManager { new ArrayMap<>(); CompatibilityInfo mResCompatibilityInfo; + static IPackageManager sPackageManager; Configuration mResConfiguration; @@ -156,12 +172,13 @@ public class ResourcesManager { * @param compatInfo the compatibility info. Must not be null. */ Resources getTopLevelResources(String resDir, String[] splitResDirs, - String[] overlayDirs, String[] libDirs, int displayId, - Configuration overrideConfiguration, CompatibilityInfo compatInfo) { + String[] overlayDirs, String[] libDirs, int displayId, String packageName, + Configuration overrideConfiguration, CompatibilityInfo compatInfo, Context context) { final float scale = compatInfo.applicationScale; + final boolean isThemeable = compatInfo.isThemeable; Configuration overrideConfigCopy = (overrideConfiguration != null) ? new Configuration(overrideConfiguration) : null; - ResourcesKey key = new ResourcesKey(resDir, displayId, overrideConfigCopy, scale); + ResourcesKey key = new ResourcesKey(resDir, displayId, overrideConfigCopy, scale, isThemeable); Resources r; synchronized (this) { // Resources is app scale dependent. @@ -184,6 +201,8 @@ public class ResourcesManager { //} AssetManager assets = new AssetManager(); + assets.setAppName(packageName); + assets.setThemeSupport(compatInfo.isThemeable); // resDir can be null if the 'android' package is creating a new Resources object. // This is fine, since each AssetManager automatically loads the 'android' package // already. @@ -203,7 +222,7 @@ public class ResourcesManager { if (overlayDirs != null) { for (String idmapPath : overlayDirs) { - assets.addOverlayPath(idmapPath); + assets.addOverlayPath(idmapPath, null, null, null); } } @@ -213,7 +232,7 @@ public class ResourcesManager { // Avoid opening files we know do not have resources, // like code-only .jar files. if (assets.addAssetPath(libDir) == 0) { - Log.w(TAG, "Asset path '" + libDir + + Slog.w(TAG, "Asset path '" + libDir + "' does not exist or contains no resources."); } } @@ -237,10 +256,32 @@ public class ResourcesManager { } else { config = getConfiguration(); } + + boolean iconsAttached = false; + /* Attach theme information to the resulting AssetManager when appropriate. */ + if (compatInfo.isThemeable && config != null && !context.getPackageManager().isSafeMode()) { + if (config.themeConfig == null) { + try { + config.themeConfig = ThemeConfig.getBootTheme(context.getContentResolver()); + } catch (Exception e) { + Slog.d(TAG, "ThemeConfig.getBootTheme failed, falling back to system theme", e); + config.themeConfig = ThemeConfig.getSystemTheme(); + } + } + + if (config.themeConfig != null) { + attachThemeAssets(assets, config.themeConfig); + attachCommonAssets(assets, config.themeConfig); + iconsAttached = attachIconAssets(assets, config.themeConfig); + } + } + r = new Resources(assets, dm, config, compatInfo); + if (iconsAttached) setActivityIcons(r); if (DEBUG) Slog.i(TAG, "Created app resources " + resDir + " " + r + ": " + r.getConfiguration() + " appScale=" + r.getCompatibilityInfo().applicationScale); + synchronized (this) { WeakReference<Resources> wr = mActiveResources.get(key); Resources existing = wr != null ? wr.get() : null; @@ -258,6 +299,115 @@ public class ResourcesManager { } } + /** + * Creates the top level Resources for applications with the given compatibility info. + * + * @param resDir the resource directory. + * @param compatInfo the compability info. Must not be null. + * @param token the application token for determining stack bounds. + * + * @hide + */ + public Resources getTopLevelThemedResources(String resDir, int displayId, + String packageName, + String themePackageName, + CompatibilityInfo compatInfo) { + Resources r; + + AssetManager assets = new AssetManager(); + assets.setAppName(packageName); + assets.setThemeSupport(true); + if (assets.addAssetPath(resDir) == 0) { + return null; + } + + //Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics); + DisplayMetrics dm = getDisplayMetricsLocked(displayId); + Configuration config; + boolean isDefaultDisplay = (displayId == Display.DEFAULT_DISPLAY); + if (!isDefaultDisplay) { + config = new Configuration(getConfiguration()); + applyNonDefaultDisplayMetricsToConfigurationLocked(dm, config); + } else { + config = getConfiguration(); + } + + /* Attach theme information to the resulting AssetManager when appropriate. */ + ThemeConfig.Builder builder = new ThemeConfig.Builder(); + builder.defaultOverlay(themePackageName); + builder.defaultIcon(themePackageName); + builder.defaultFont(themePackageName); + + ThemeConfig themeConfig = builder.build(); + attachThemeAssets(assets, themeConfig); + attachCommonAssets(assets, themeConfig); + attachIconAssets(assets, themeConfig); + + r = new Resources(assets, dm, config, compatInfo); + setActivityIcons(r); + + return r; + } + + /** + * Creates a map between an activity & app's icon ids to its component info. This map + * is then stored in the resource object. + * When resource.getDrawable(id) is called it will check this mapping and replace + * the id with the themed resource id if one is available + * @param context + * @param pkgName + * @param r + */ + private void setActivityIcons(Resources r) { + SparseArray<PackageItemInfo> iconResources = new SparseArray<PackageItemInfo>(); + String pkgName = r.getAssets().getAppName(); + PackageInfo pkgInfo = null; + ApplicationInfo appInfo = null; + + try { + pkgInfo = getPackageManager().getPackageInfo(pkgName, PackageManager.GET_ACTIVITIES, + UserHandle.getCallingUserId()); + } catch (RemoteException e1) { + Slog.e(TAG, "Unable to get pkg " + pkgName, e1); + return; + } + + final ThemeConfig themeConfig = r.getConfiguration().themeConfig; + if (pkgName != null && themeConfig != null && + pkgName.equals(themeConfig.getIconPackPkgName())) { + return; + } + + //Map application icon + if (pkgInfo != null && pkgInfo.applicationInfo != null) { + appInfo = pkgInfo.applicationInfo; + if (appInfo.themedIcon != 0 || iconResources.get(appInfo.icon) == null) { + iconResources.put(appInfo.icon, appInfo); + } + } + + //Map activity icons. + if (pkgInfo != null && pkgInfo.activities != null) { + for (ActivityInfo ai : pkgInfo.activities) { + if (ai.icon != 0 && (ai.themedIcon != 0 || iconResources.get(ai.icon) == null)) { + iconResources.put(ai.icon, ai); + } else if (appInfo != null && appInfo.icon != 0 && + (ai.themedIcon != 0 || iconResources.get(appInfo.icon) == null)) { + iconResources.put(appInfo.icon, ai); + } + } + } + + r.setIconResources(iconResources); + final IPackageManager pm = getPackageManager(); + try { + ComposedIconInfo iconInfo = pm.getComposedIconInfo(); + r.setComposedIconInfo(iconInfo); + } catch (Exception e) { + Slog.wtf(TAG, "Failed to retrieve ComposedIconInfo", e); + } + } + final boolean applyConfigurationToResourcesLocked(Configuration config, CompatibilityInfo compat) { if (mResConfiguration == null) { @@ -303,6 +453,22 @@ public class ResourcesManager { boolean isDefaultDisplay = (displayId == Display.DEFAULT_DISPLAY); DisplayMetrics dm = defaultDisplayMetrics; final boolean hasOverrideConfiguration = key.hasOverrideConfiguration(); + boolean themeChanged = (changes & ActivityInfo.CONFIG_THEME_RESOURCE) != 0; + if (themeChanged) { + AssetManager am = r.getAssets(); + if (am.hasThemeSupport()) { + r.setIconResources(null); + r.setComposedIconInfo(null); + detachThemeAssets(am); + if (config.themeConfig != null) { + attachThemeAssets(am, config.themeConfig); + attachCommonAssets(am, config.themeConfig); + if (attachIconAssets(am, config.themeConfig)) { + setActivityIcons(r); + } + } + } + } if (!isDefaultDisplay || hasOverrideConfiguration) { if (tmpConfig == null) { tmpConfig = new Configuration(); @@ -319,6 +485,9 @@ public class ResourcesManager { } else { r.updateConfiguration(config, dm, compat); } + if (themeChanged) { + r.updateStringCache(); + } //Slog.i(TAG, "Updated app resources " + v.getKey() // + " " + r + ": " + r.getConfiguration()); } else { @@ -330,4 +499,231 @@ public class ResourcesManager { return changes != 0; } + public static IPackageManager getPackageManager() { + if (sPackageManager != null) { + return sPackageManager; + } + IBinder b = ServiceManager.getService("package"); + sPackageManager = IPackageManager.Stub.asInterface(b); + return sPackageManager; + } + + + /** + * 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, ThemeConfig theme) { + PackageInfo piTheme = null; + PackageInfo piTarget = null; + PackageInfo piAndroid = null; + + // Some apps run in process of another app (eg keyguard/systemUI) so we must get the + // package name from the res tables. The 0th base package name will be the android group. + // The 1st base package name will be the app group if one is attached. Check if it is there + // first or else the system will crash! + String basePackageName = null; + String resourcePackageName = null; + int count = assets.getBasePackageCount(); + if (count > 1) { + basePackageName = assets.getBasePackageName(1); + resourcePackageName = assets.getBaseResourcePackageName(1); + } else if (count == 1) { + basePackageName = assets.getBasePackageName(0); + } else { + return false; + } + + try { + piTheme = getPackageManager().getPackageInfo( + theme.getOverlayPkgNameForApp(basePackageName), 0, + UserHandle.getCallingUserId()); + piTarget = getPackageManager().getPackageInfo( + basePackageName, 0, UserHandle.getCallingUserId()); + + // Handle special case where a system app (ex trebuchet) may have had its pkg name + // renamed during an upgrade. basePackageName would be the manifest value which will + // fail on getPackageInfo(). resource pkg is assumed to have the original name + if (piTarget == null && resourcePackageName != null) { + piTarget = getPackageManager().getPackageInfo(resourcePackageName, + 0, UserHandle.getCallingUserId()); + } + piAndroid = getPackageManager().getPackageInfo("android", 0, + UserHandle.getCallingUserId()); + } catch (RemoteException e) { + } + + if (piTheme == null || piTheme.applicationInfo == null || + piTarget == null || piTarget.applicationInfo == null || + piAndroid == null || piAndroid.applicationInfo == null || + piTheme.mOverlayTargets == null) { + return false; + } + + String themePackageName = basePackageName; + String themePath = piTheme.applicationInfo.publicSourceDir; + if (!piTarget.isThemeApk && piTheme.mOverlayTargets.contains(basePackageName)) { + String targetPackagePath = piTarget.applicationInfo.sourceDir; + String prefixPath = ThemeUtils.getOverlayPathToTarget(basePackageName); + + String resCachePath = ThemeUtils.getResDir(basePackageName, piTheme); + String resApkPath = resCachePath + "/resources.apk"; + int cookie = assets.addOverlayPath(themePath, resApkPath, + targetPackagePath, prefixPath); + + if (cookie != 0) { + assets.setThemePackageName(basePackageName); + assets.addThemeCookie(cookie); + } + } + + if (!piTarget.isThemeApk && piTheme.mOverlayTargets.contains("android")) { + String resCachePath= ThemeUtils.getResDir(piAndroid.packageName, piTheme); + String prefixPath = ThemeUtils.getOverlayPathToTarget(piAndroid.packageName); + String targetPackagePath = piAndroid.applicationInfo.publicSourceDir; + String resApkPath = resCachePath + "/resources.apk"; + int cookie = assets.addOverlayPath(themePath, + resApkPath, targetPackagePath, prefixPath); + if (cookie != 0) { + assets.setThemePackageName(themePackageName); + assets.addThemeCookie(cookie); + } + } + + return true; + } + + /** + * Attach the necessary icon asset paths. Icon assets should be in a different + * namespace than the standard 0x7F. + * + * @param assets + * @param theme + * @return true if succes, false otherwise + */ + private boolean attachIconAssets(AssetManager assets, ThemeConfig theme) { + PackageInfo piIcon = null; + try { + piIcon = getPackageManager().getPackageInfo(theme.getIconPackPkgName(), 0, + UserHandle.getCallingUserId()); + } catch (RemoteException e) { + } + + if (piIcon == null || piIcon.applicationInfo == null) { + return false; + } + + String iconPkg = theme.getIconPackPkgName(); + if (iconPkg != null && !iconPkg.isEmpty()) { + String themeIconPath = piIcon.applicationInfo.publicSourceDir; + String prefixPath = ThemeUtils.ICONS_PATH; + String iconDir = ThemeUtils.getIconPackDir(iconPkg); + String resTablePath = iconDir + "/resources.arsc"; + String resApkPath = iconDir + "/resources.apk"; + + // Legacy Icon packs have everything in their APK + if (piIcon.isLegacyIconPackApk) { + prefixPath = ""; + resApkPath = ""; + resTablePath = ""; + } + + int cookie = assets.addIconPath(themeIconPath, resApkPath, prefixPath, + Resources.THEME_ICON_PKG_ID); + if (cookie != 0) { + assets.setIconPackCookie(cookie); + assets.setIconPackageName(iconPkg); + } + } + + return true; + } + + /** + * Attach the necessary common asset paths. Common assets should be in a different + * namespace than the standard 0x7F. + * + * @param assets + * @param theme + * @return true if succes, false otherwise + */ + private boolean attachCommonAssets(AssetManager assets, ThemeConfig theme) { + // Some apps run in process of another app (eg keyguard/systemUI) so we must get the + // package name from the res tables. The 0th base package name will be the android group. + // The 1st base package name will be the app group if one is attached. Check if it is there + // first or else the system will crash! + String basePackageName; + int count = assets.getBasePackageCount(); + if (count > 1) { + basePackageName = assets.getBasePackageName(1); + } else if (count == 1) { + basePackageName = assets.getBasePackageName(0); + } else { + return false; + } + + PackageInfo piTheme = null; + try { + piTheme = getPackageManager().getPackageInfo( + theme.getOverlayPkgNameForApp(basePackageName), 0, + UserHandle.getCallingUserId()); + } catch (RemoteException e) { + } + + if (piTheme == null || piTheme.applicationInfo == null) { + return false; + } + + String themePackageName = + ThemeUtils.getCommonPackageName(piTheme.applicationInfo.packageName); + if (themePackageName != null && !themePackageName.isEmpty()) { + String themePath = piTheme.applicationInfo.publicSourceDir; + String prefixPath = ThemeUtils.COMMON_RES_PATH; + String resCachePath = ThemeUtils.getResDir(ThemeUtils.COMMON_RES_TARGET, piTheme); + String resApkPath = resCachePath + "/resources.apk"; + int cookie = assets.addCommonOverlayPath(themePath, resApkPath, + prefixPath); + if (cookie != 0) { + assets.setCommonResCookie(cookie); + assets.setCommonResPackageName(themePackageName); + } + } + + return true; + } + + private void detachThemeAssets(AssetManager assets) { + String themePackageName = assets.getThemePackageName(); + String iconPackageName = assets.getIconPackageName(); + String commonResPackageName = assets.getCommonResPackageName(); + + //Remove Icon pack if it exists + if (!TextUtils.isEmpty(iconPackageName) && assets.getIconPackCookie() > 0) { + assets.removeOverlayPath(iconPackageName, assets.getIconPackCookie()); + assets.setIconPackageName(null); + assets.setIconPackCookie(0); + } + //Remove common resources if it exists + if (!TextUtils.isEmpty(commonResPackageName) && assets.getCommonResCookie() > 0) { + assets.removeOverlayPath(commonResPackageName, assets.getCommonResCookie()); + assets.setCommonResPackageName(null); + assets.setCommonResCookie(0); + } + final List<Integer> themeCookies = assets.getThemeCookies(); + if (!TextUtils.isEmpty(themePackageName) && !themeCookies.isEmpty()) { + // remove overlays in reverse order + for (int i = themeCookies.size() - 1; i >= 0; i--) { + assets.removeOverlayPath(themePackageName, themeCookies.get(i)); + } + } + assets.getThemeCookies().clear(); + assets.setThemePackageName(null); + } } |