Stylus gestures features (1/2) (d8ddc09c) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+49 −0

Original line number	Diff line number	Diff line
		@@ -2929,6 +2929,55 @@ public final class Settings {
		*/
		public static final String POWER_MENU_PROFILES_ENABLED = "power_menu_profiles_enabled";

		/**
		* Enable Stylus Gestures
		*
		* @hide
		*/
		public static final String ENABLE_STYLUS_GESTURES = "enable_stylus_gestures";

		/**
		* Left Swipe Action
		*
		* @hide
		*/
		public static final String GESTURES_LEFT_SWIPE = "gestures_left_swipe";

		/**
		* Right Swipe Action
		*
		* @hide
		*/
		public static final String GESTURES_RIGHT_SWIPE = "gestures_right_swipe";

		/**
		* Up Swipe Action
		*
		* @hide
		*/
		public static final String GESTURES_UP_SWIPE = "gestures_up_swipe";

		/**
		* down Swipe Action
		*
		* @hide
		*/
		public static final String GESTURES_DOWN_SWIPE = "gestures_down_swipe";

		/**
		* Long press Action
		*
		* @hide
		*/
		public static final String GESTURES_LONG_PRESS = "gestures_long_press";

		/**
		* double tap Action
		*
		* @hide
		*/
		public static final String GESTURES_DOUBLE_TAP = "gestures_double_tap";

		/**
		* Whether power menu airplane toggle is enabled
		* @hide

core/res/res/values/config.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -1126,4 +1126,7 @@

		<!-- True if the Sym key should open the InputMethodPicker (default) -->
		<bool name="config_symKeyShowsImePicker">true</bool>

		<!-- Boolean to enable Stylus gestures -->
		<bool name="config_stylusGestures">false</bool>
		</resources>

core/res/res/values/strings.xml

+7 −0

Original line number	Diff line number	Diff line
		@@ -4087,4 +4087,11 @@
		<!-- Hardware Rotation lock string -->
		<string name="toast_rotation_unlocked">Display rotation unlocked</string>
		<string name="toast_rotation_locked">Display rotation locked</string>

		<!-- ** CYANOGENMOD ADDITIONS START ** -->

		<!-- stylus gestures support -->
		<string name="stylus_app_not_installed">%s is not installed</string>

		<!-- ** CYANOGENMOD ADDITIONS END ** -->
		</resources>

core/res/res/values/symbols.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -1929,4 +1929,8 @@

		<!-- IME Picker showing upon pressing Sym Key -->
		<java-symbol type="bool" name="config_symKeyShowsImePicker" />

		<!-- Stylus gestures -->
		<java-symbol type="bool" name="config_stylusGestures" />
		<java-symbol type="string" name="stylus_app_not_installed" />
		</resources>

policy/src/com/android/internal/policy/impl/PhoneWindow.java

+263 −1

Original line number	Diff line number	Diff line
		@@ -40,11 +40,20 @@ import com.android.internal.widget.ActionBarContextView;
		import com.android.internal.widget.ActionBarView;

		import android.app.KeyguardManager;
		import android.content.ComponentName;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.content.pm.ActivityInfo;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.res.Configuration;
		import android.content.res.Resources;
		import android.content.res.TypedArray;
		import android.content.ActivityNotFoundException;
		import android.database.ContentObserver;
		import android.graphics.Canvas;
		import android.graphics.PixelFormat;
		import android.graphics.Rect;
		@@ -53,10 +62,14 @@ import android.media.AudioManager;
		import android.net.Uri;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Message;
		import android.os.Messenger;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.provider.Settings;
		import android.util.AndroidRuntimeException;
		import android.util.DisplayMetrics;
		import android.util.EventLog;
		@@ -65,6 +78,8 @@ import android.util.SparseArray;
		import android.util.TypedValue;
		import android.view.ActionMode;
		import android.view.ContextThemeWrapper;
		import android.view.GestureDetector;
		import android.view.GestureDetector.SimpleOnGestureListener;
		import android.view.Gravity;
		import android.view.IRotationWatcher;
		import android.view.IWindowManager;
		@@ -92,10 +107,14 @@ import android.widget.ImageView;
		import android.widget.PopupWindow;
		import android.widget.ProgressBar;
		import android.widget.TextView;
		import android.widget.Toast;

		import java.lang.ref.WeakReference;
		import java.util.ArrayList;

		import com.android.internal.statusbar.IStatusBarService;
		import com.android.internal.R;

		/**
		* Android-specific Window.
		* <p>
		@@ -181,6 +200,9 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {

		private boolean mAlwaysReadCloseOnTouchAttr = false;

		private boolean mEnableGestures;

		private Context mContext;
		private ContextMenuBuilder mContextMenu;
		private MenuDialogHelper mContextMenuHelper;
		private boolean mClosingActionMenu;
		@@ -190,6 +212,36 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		private AudioManager mAudioManager;
		private KeyguardManager mKeyguardManager;

		private final class SettingsObserver extends ContentObserver {
		SettingsObserver(Handler handler) {
		super(handler);
		}

		void observe() {
		ContentResolver resolver = mContext.getContentResolver();
		resolver.registerContentObserver(Settings.System
		.getUriFor(Settings.System.ENABLE_STYLUS_GESTURES), false,
		this);
		checkGestures();
		}

		void unobserve() {
		ContentResolver resolver = mContext.getContentResolver();
		resolver.unregisterContentObserver(this);
		}

		@Override
		public void onChange(boolean selfChange) {
		checkGestures();
		}

		void checkGestures() {
		mEnableGestures = Settings.System.getInt(
		mContext.getContentResolver(),
		Settings.System.ENABLE_STYLUS_GESTURES, 0) == 1;
		}
		}

		private int mUiOptions = 0;

		private boolean mInvalidatePanelMenuPosted;
		@@ -215,6 +267,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {

		public PhoneWindow(Context context) {
		super(context);
		mContext = context;
		mLayoutInflater = LayoutInflater.from(context);
		}

		@@ -1812,9 +1865,12 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		private PopupWindow mActionModePopup;
		private Runnable mShowActionModePopup;

		private SettingsObserver mSettingsObserver;

		public DecorView(Context context, int featureId) {
		super(context);
		mFeatureId = featureId;
		mSettingsObserver = new SettingsObserver(new Handler());
		}

		@Override
		@@ -1895,8 +1951,210 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		return false;
		}

		private final StylusGestureFilter mStylusFilter = new StylusGestureFilter();

		private class StylusGestureFilter extends SimpleOnGestureListener {

		private final static int SWIPE_UP = 1;
		private final static int SWIPE_DOWN = 2;
		private final static int SWIPE_LEFT = 3;
		private final static int SWIPE_RIGHT = 4;
		private final static int PRESS_LONG = 5;
		private final static int TAP_DOUBLE = 6;
		private final static double SWIPE_MIN_DISTANCE = 25.0;
		private final static double SWIPE_MIN_VELOCITY = 50.0;
		private final static int KEY_NO_ACTION = 1000;
		private final static int KEY_HOME = 1001;
		private final static int KEY_BACK = 1002;
		private final static int KEY_MENU = 1003;
		private final static int KEY_SEARCH = 1004;
		private final static int KEY_RECENT = 1005;
		private final static int KEY_APP = 1006;
		private GestureDetector mDetector;
		private final static String TAG = "StylusGestureFilter";

		public StylusGestureFilter() {
		mDetector = new GestureDetector(this);
		}

		public boolean onTouchEvent(MotionEvent event) {
		return mDetector.onTouchEvent(event);
		}

		@Override
		public boolean onFling(MotionEvent e1, MotionEvent e2,
		float velocityX, float velocityY) {

		final float xDistance = Math.abs(e1.getX() - e2.getX());
		final float yDistance = Math.abs(e1.getY() - e2.getY());

		velocityX = Math.abs(velocityX);
		velocityY = Math.abs(velocityY);
		boolean result = false;

		if (velocityX > (SWIPE_MIN_VELOCITY * getResources().getDisplayMetrics().density)
		&& xDistance > (SWIPE_MIN_DISTANCE * getResources().getDisplayMetrics().density)
		&& xDistance > yDistance) {
		if (e1.getX() > e2.getX()) { // right to left
		// Swipe Left
		dispatchStylusAction(SWIPE_LEFT);
		} else {
		// Swipe Right
		dispatchStylusAction(SWIPE_RIGHT);
		}
		result = true;
		} else if (velocityY > (SWIPE_MIN_VELOCITY * getResources().getDisplayMetrics().density)
		&& yDistance > (SWIPE_MIN_DISTANCE * getResources().getDisplayMetrics().density)
		&& yDistance > xDistance) {
		if (e1.getY() > e2.getY()) { // bottom to up
		// Swipe Up
		dispatchStylusAction(SWIPE_UP);
		} else {
		// Swipe Down
		dispatchStylusAction(SWIPE_DOWN);
		}
		result = true;
		}
		return result;
		}

		@Override
		public boolean onDoubleTap(MotionEvent arg0) {
		dispatchStylusAction(TAP_DOUBLE);
		return true;
		}

		public void onLongPress(MotionEvent e) {
		dispatchStylusAction(PRESS_LONG);
		}

		}

		private void menuAction() {
		dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN,
		KeyEvent.KEYCODE_MENU));
		dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_UP,
		KeyEvent.KEYCODE_MENU));

		}

		private void backAction() {
		dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN,
		KeyEvent.KEYCODE_BACK));
		dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_UP,
		KeyEvent.KEYCODE_BACK));
		}

		private void dispatchStylusAction(int gestureAction) {
		final ContentResolver resolver = mContext.getContentResolver();
		boolean isSystemUI = mContext.getPackageName().equals("com.android.systemui");
		String setting = null;
		int dispatchAction = -1;
		switch (gestureAction) {
		case StylusGestureFilter.SWIPE_LEFT:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_LEFT_SWIPE);
		break;
		case StylusGestureFilter.SWIPE_RIGHT:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_RIGHT_SWIPE);
		break;
		case StylusGestureFilter.SWIPE_UP:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_UP_SWIPE);
		break;
		case StylusGestureFilter.SWIPE_DOWN:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_DOWN_SWIPE);
		break;
		case StylusGestureFilter.TAP_DOUBLE:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_DOUBLE_TAP);
		break;
		case StylusGestureFilter.PRESS_LONG:
		setting = Settings.System.getString(resolver,
		Settings.System.GESTURES_LONG_PRESS);
		break;
		default:
		return;
		}

		try {
		int value = Integer.valueOf(setting);
		if (value == StylusGestureFilter.KEY_NO_ACTION) {
		return;
		}
		dispatchAction = value;
		} catch (NumberFormatException e) {
		dispatchAction = StylusGestureFilter.KEY_APP;
		}

		// Dispatching action
		switch (dispatchAction) {
		case StylusGestureFilter.KEY_HOME:
		Intent homeIntent = new Intent(Intent.ACTION_MAIN);
		homeIntent.addCategory(Intent.CATEGORY_HOME);
		homeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		mContext.startActivity(homeIntent);
		break;
		case StylusGestureFilter.KEY_BACK:
		backAction();
		break;
		case StylusGestureFilter.KEY_MENU:
		// Menu action on notificationbar / systemui will be converted
		// to back action
		if (isSystemUI) {
		backAction();
		break;
		}
		menuAction();
		break;
		case StylusGestureFilter.KEY_SEARCH:
		// Search action on notificationbar / systemui will be converted
		// to back action
		if (isSystemUI) {
		backAction();
		break;
		}
		launchDefaultSearch();
		break;
		case StylusGestureFilter.KEY_RECENT:
		IStatusBarService mStatusBarService = IStatusBarService.Stub
		.asInterface(ServiceManager.getService("statusbar"));
		try {
		mStatusBarService.toggleRecentApps();
		} catch (RemoteException e) {
		}
		break;
		case StylusGestureFilter.KEY_APP:
		// Launching app on notificationbar / systemui will be preceded
		// with a back Action
		if (isSystemUI) {
		backAction();
		}
		try {
		final PackageManager pm = mContext.getPackageManager();
		Intent launchIntent = pm.getLaunchIntentForPackage(setting);
		if (launchIntent != null) {
		mContext.startActivity(launchIntent);
		}
		} catch (ActivityNotFoundException e) {
		Toast.makeText(mContext, mContext.getString(R.string.stylus_app_not_installed, setting),
		Toast.LENGTH_LONG).show();
		}
		break;
		}
		}

		@Override
		public boolean dispatchTouchEvent(MotionEvent ev) {
		// Stylus events with side button pressed are filtered and other
		// events are processed normally.
		if (mEnableGestures
		&& MotionEvent.BUTTON_SECONDARY == ev.getButtonState()) {
		mStylusFilter.onTouchEvent(ev);
		return false;
		}
		final Callback cb = getCallback();
		return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchTouchEvent(ev)
		: super.dispatchTouchEvent(ev);
		@@ -2462,6 +2720,8 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		protected void onAttachedToWindow() {
		super.onAttachedToWindow();

		mSettingsObserver.observe();

		updateWindowResizeState();

		final Callback cb = getCallback();
		@@ -2485,6 +2745,8 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();

		mSettingsObserver.unobserve();

		final Callback cb = getCallback();
		if (cb != null && mFeatureId < 0) {
		cb.onDetachedFromWindow();