Request connection for window magnification (b0d7008d) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java

+0 −35

Original line number	Diff line number	Diff line
		@@ -21,19 +21,15 @@ import android.annotation.NonNull;
		import android.content.Context;
		import android.content.pm.ActivityInfo;
		import android.content.res.Configuration;
		import android.database.ContentObserver;
		import android.graphics.Rect;
		import android.os.Handler;
		import android.os.RemoteException;
		import android.provider.Settings;
		import android.util.Log;
		import android.view.Display;
		import android.view.accessibility.AccessibilityManager;
		import android.view.accessibility.IWindowMagnificationConnection;
		import android.view.accessibility.IWindowMagnificationConnectionCallback;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.systemui.R;
		import com.android.systemui.SystemUI;
		import com.android.systemui.dagger.qualifiers.Main;
		import com.android.systemui.statusbar.CommandQueue;
		@@ -89,37 +85,6 @@ public class WindowMagnification extends SystemUI implements WindowMagnifierCall
		@Override
		public void start() {
		mCommandQueue.addCallback(this);
		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(Settings.Secure.WINDOW_MAGNIFICATION),
		true, new ContentObserver(mHandler) {
		@Override
		public void onChange(boolean selfChange) {
		updateWindowMagnification();
		}
		});
		}

		private void updateWindowMagnification() {
		try {
		boolean enable = Settings.Secure.getInt(mContext.getContentResolver(),
		Settings.Secure.WINDOW_MAGNIFICATION) != 0;
		if (enable) {
		enableMagnification(
		mContext.getResources().getInteger(R.integer.magnification_default_scale));
		} else {
		disableMagnification();
		}
		} catch (Settings.SettingNotFoundException e) {
		disableMagnification();
		}
		}

		private void enableMagnification(float scale) {
		enableWindowMagnification(Display.DEFAULT_DISPLAY, scale, Float.NaN, Float.NaN);
		}

		private void disableMagnification() {
		disableWindowMagnification(Display.DEFAULT_DISPLAY);
		}

		@MainThread

services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java

+23 −3

Original line number	Diff line number	Diff line
		@@ -108,6 +108,7 @@ import com.android.internal.util.IntPair;
		import com.android.server.LocalServices;
		import com.android.server.SystemService;
		import com.android.server.accessibility.magnification.WindowMagnificationManager;
		import com.android.server.statusbar.StatusBarManagerInternal;
		import com.android.server.wm.ActivityTaskManagerInternal;
		import com.android.server.wm.WindowManagerInternal;

		@@ -1368,7 +1369,26 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
		return relevantEventTypes;
		}

		private void updateMagnificationModeChangeSettingsLocked() {
		private void updateMagnificationModeChangeSettingsLocked(AccessibilityUserState userState) {
		if (userState.mUserId != mCurrentUserId) {
		return;
		}

		final boolean windowMagnificationEnabled = userState.isShortcutMagnificationEnabledLocked()
		&& (userState.getMagnificationModeLocked()
		== Settings.Secure.ACCESSIBILITY_MAGNIFICATION_MODE_WINDOW);

		if (windowMagnificationEnabled == getWindowMagnificationMgr().isConnected()) {
		return;
		}
		final long identity = Binder.clearCallingIdentity();
		try {
		final StatusBarManagerInternal service = LocalServices.getService(
		StatusBarManagerInternal.class);
		service.requestWindowMagnificationConnection(windowMagnificationEnabled);
		} finally {
		Binder.restoreCallingIdentity(identity);
		}
		mMainHandler.sendMessage(obtainMessage(
		AccessibilityManagerService::notifyMagnificationModeChangeToInputFilter,
		this));
		@@ -1766,7 +1786,7 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
		scheduleUpdateClientsIfNeededLocked(userState);
		updateAccessibilityShortcutKeyTargetsLocked(userState);
		updateAccessibilityButtonTargetsLocked(userState);
		updateMagnificationModeChangeSettingsLocked();
		updateMagnificationModeChangeSettingsLocked(userState);
		}

		private void updateWindowsForAccessibilityCallbackLocked(AccessibilityUserState userState) {
		@@ -3097,7 +3117,7 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
		readUserRecommendedUiTimeoutSettingsLocked(userState);
		} else if (mMagnificationModeUri.equals(uri)) {
		if (readMagnificationModeLocked(userState)) {
		updateMagnificationModeChangeSettingsLocked();
		updateMagnificationModeChangeSettingsLocked(userState);
		}
		}
		}

services/accessibility/java/com/android/server/accessibility/magnification/WindowMagnificationManager.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -107,6 +107,13 @@ public final class WindowMagnificationManager implements
		mUserId = userId;
		}

		/**
		*
		* @return {@code true} if {@link IWindowMagnificationConnection} is available
		*/
		public boolean isConnected() {
		return mConnectionWrapper != null;
		}

		private void resetWindowMagnifiers() {
		synchronized (mLock) {

services/tests/servicestests/src/com/android/server/accessibility/magnification/WindowMagnificationManagerTest.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -245,6 +245,15 @@ public class WindowMagnificationManagerTest {
		assertFalse(mWindowMagnificationManager.isWindowMagnifierEnabled(TEST_DISPLAY));
		}

		@Test
		public void isConnected_returnExpectedValue() throws RemoteException {
		assertFalse(mWindowMagnificationManager.isConnected());

		mWindowMagnificationManager.setConnection(mMockConnection.getConnection());

		assertTrue(mWindowMagnificationManager.isConnected());
		}

		private MotionEvent generatePointersDownEvent(PointF[] pointersLocation) {
		final int len = pointersLocation.length;