diff options
| -rw-r--r-- | services/core/java/com/android/server/wm/DisplayWindowSettings.java | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/services/core/java/com/android/server/wm/DisplayWindowSettings.java b/services/core/java/com/android/server/wm/DisplayWindowSettings.java index a46fa13adf4e..207e8ef728eb 100644 --- a/services/core/java/com/android/server/wm/DisplayWindowSettings.java +++ b/services/core/java/com/android/server/wm/DisplayWindowSettings.java @@ -30,6 +30,7 @@ import android.annotation.IntDef; import android.annotation.Nullable; import android.app.WindowConfiguration; import android.os.Environment; +import android.os.FileUtils; import android.provider.Settings; import android.util.AtomicFile; import android.util.Slog; @@ -64,6 +65,11 @@ import java.util.HashMap; class DisplayWindowSettings { private static final String TAG = TAG_WITH_CLASS_NAME ? "DisplayWindowSettings" : TAG_WM; + private static final String SYSTEM_DIRECTORY = "system"; + private static final String DISPLAY_SETTINGS_FILE_NAME = "display_settings.xml"; + private static final String VENDOR_DISPLAY_SETTINGS_PATH = "etc/" + DISPLAY_SETTINGS_FILE_NAME; + private static final String WM_DISPLAY_COMMIT_TAG = "wm-displays"; + private static final int IDENTIFIER_UNIQUE_ID = 0; private static final int IDENTIFIER_PORT = 1; @IntDef(prefix = { "IDENTIFIER_" }, value = { @@ -688,8 +694,26 @@ class DisplayWindowSettings { private final AtomicFile mAtomicFile; AtomicFileStorage() { - final File folder = new File(Environment.getDataDirectory(), "system"); - mAtomicFile = new AtomicFile(new File(folder, "display_settings.xml"), "wm-displays"); + final File folder = new File(Environment.getDataDirectory(), SYSTEM_DIRECTORY); + final File settingsFile = new File(folder, DISPLAY_SETTINGS_FILE_NAME); + // If display_settings.xml doesn't exist, try to copy the vendor's one instead + // in order to provide the vendor specific initialization. + if (!settingsFile.exists()) { + copyVendorSettings(settingsFile); + } + mAtomicFile = new AtomicFile(settingsFile, WM_DISPLAY_COMMIT_TAG); + } + + private static void copyVendorSettings(File target) { + final File vendorFile = new File(Environment.getVendorDirectory(), + VENDOR_DISPLAY_SETTINGS_PATH); + if (vendorFile.canRead()) { + try { + FileUtils.copy(vendorFile, target); + } catch (IOException e) { + Slog.e(TAG, "Failed to copy vendor display_settings.xml"); + } + } } @Override |