One-finger notificaiton open: pop the next item too. (3c148f10) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/layout/status_bar_expanded.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -56,7 +56,7 @@
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:fadingEdge="none"
		android:overScrollMode="never"
		android:overScrollMode="ifContentScrolls"
		android:layout_marginTop="@dimen/notification_panel_header_height"
		>
		<com.android.systemui.statusbar.policy.NotificationRowLayout

packages/SystemUI/res/layout/system_bar_notification_panel.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -57,7 +57,7 @@
		android:id="@+id/notification_scroller"
		android:layout_height="wrap_content"
		android:layout_width="match_parent"
		android:overScrollMode="never"
		android:overScrollMode="ifContentScrolls"
		android:layout_weight="1"
		>
		<com.android.systemui.statusbar.policy.NotificationRowLayout

packages/SystemUI/res/values/dimens.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -152,5 +152,5 @@
		<dimen name="carrier_label_height">24dp</dimen>

		<!-- The distance you can pull a notificaiton before it pops open -->
		<dimen name="one_finger_pop_limit">40dp</dimen>
		<dimen name="one_finger_pop_limit">96dp</dimen>
		</resources>

packages/SystemUI/src/com/android/systemui/ExpandHelper.java

+96 −27

Original line number	Diff line number	Diff line
		@@ -32,16 +32,21 @@ import android.view.ViewConfiguration;
		import android.view.ViewGroup;
		import android.view.View.OnClickListener;

		import java.util.Stack;

		public class ExpandHelper implements Gefingerpoken, OnClickListener {
		public interface Callback {
		View getChildAtRawPosition(float x, float y);
		View getChildAtPosition(float x, float y);
		View getPreviousChild(View currentChild);
		boolean canChildBeExpanded(View v);
		boolean setUserExpandedChild(View v, boolean userxpanded);
		}

		private static final String TAG = "ExpandHelper";
		protected static final boolean DEBUG = false;
		protected static final boolean DEBUG = true;
		protected static final boolean DEBUG_SCALE = false;
		protected static final boolean DEBUG_GLOW = true;
		private static final long EXPAND_DURATION = 250;
		private static final long GLOW_DURATION = 150;

		@@ -106,7 +111,7 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		mView = v;
		}
		public void setHeight(float h) {
		if (DEBUG) Slog.v(TAG, "SetHeight: setting to " + h);
		if (DEBUG_SCALE) Slog.v(TAG, "SetHeight: setting to " + h);
		ViewGroup.LayoutParams lp = mView.getLayoutParams();
		lp.height = (int)h;
		mView.setLayoutParams(lp);
		@@ -121,7 +126,8 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		}
		public int getNaturalHeight(int maximum) {
		ViewGroup.LayoutParams lp = mView.getLayoutParams();
		if (DEBUG) Slog.v(TAG, "Inspecting a child of type: " + mView.getClass().getName());
		if (DEBUG_SCALE) Slog.v(TAG, "Inspecting a child of type: " +
		mView.getClass().getName());
		int oldHeight = lp.height;
		lp.height = ViewGroup.LayoutParams.WRAP_CONTENT;
		mView.setLayoutParams(lp);
		@@ -136,6 +142,17 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		}
		}

		class PopState {
		View mCurrView;
		View mCurrViewTopGlow;
		View mCurrViewBottomGlow;
		float mOldHeight;
		float mNaturalHeight;
		float mInitialTouchY;
		}

		private Stack<PopState> popStack;

		/**
		* Handle expansion gestures to expand and contract children of the callback.
		*
		@@ -151,6 +168,7 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		mLargeSize = large;
		mContext = context;
		mCallback = callback;
		popStack = new Stack<PopState>();
		mScaler = new ViewScaler();
		mGravity = Gravity.TOP;
		mScaleAnimation = ObjectAnimator.ofFloat(mScaler, "height", 0f);
		@@ -192,14 +210,14 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		new ScaleGestureDetector.SimpleOnScaleGestureListener() {
		@Override
		public boolean onScaleBegin(ScaleGestureDetector detector) {
		if (DEBUG) Slog.v(TAG, "onscalebegin()");
		if (DEBUG_SCALE) Slog.v(TAG, "onscalebegin()");
		float x = detector.getFocusX();
		float y = detector.getFocusY();

		// your fingers have to be somewhat close to the bounds of the view in question
		mInitialTouchFocusY = detector.getFocusY();
		mInitialTouchSpan = Math.abs(detector.getCurrentSpan());
		if (DEBUG) Slog.d(TAG, "got mInitialTouchSpan: (" + mInitialTouchSpan + ")");
		if (DEBUG_SCALE) Slog.d(TAG, "got mInitialTouchSpan: (" + mInitialTouchSpan + ")");

		mStretching = initScale(findView(x, y));
		return mStretching;
		@@ -207,7 +225,7 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {

		@Override
		public boolean onScale(ScaleGestureDetector detector) {
		if (DEBUG) Slog.v(TAG, "onscale() on " + mCurrView);
		if (DEBUG_SCALE) Slog.v(TAG, "onscale() on " + mCurrView);

		// are we scaling or dragging?
		float span = Math.abs(detector.getCurrentSpan()) - mInitialTouchSpan;
		@@ -227,10 +245,11 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {

		@Override
		public void onScaleEnd(ScaleGestureDetector detector) {
		if (DEBUG) Slog.v(TAG, "onscaleend()");
		if (DEBUG_SCALE) Slog.v(TAG, "onscaleend()");
		// I guess we're alone now
		if (DEBUG) Slog.d(TAG, "scale end");
		if (DEBUG_SCALE) Slog.d(TAG, "scale end");
		finishScale(false);
		clearView();
		mStretching = false;
		}
		});
		@@ -295,16 +314,17 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {

		private float calculateGlow(float target, float actual) {
		// glow if overscale
		if (DEBUG_GLOW) Slog.d(TAG, "target: " + target + " actual: " + actual);
		float stretch = (float) Math.abs((target - actual) / mMaximumStretch);
		float strength = 1f / (1f + (float) Math.pow(Math.E, -1 * ((8f * stretch) - 5f)));
		if (DEBUG) Slog.d(TAG, "stretch: " + stretch + " strength: " + strength);
		if (DEBUG_GLOW) Slog.d(TAG, "stretch: " + stretch + " strength: " + strength);
		return (GLOW_BASE + strength * (1f - GLOW_BASE));
		}

		public void setGlow(float glow) {
		if (!mGlowAnimationSet.isRunning() \|\| glow == 0f) {
		if (mGlowAnimationSet.isRunning()) {
		mGlowAnimationSet.cancel();
		mGlowAnimationSet.end();
		}
		if (mCurrViewTopGlow != null && mCurrViewBottomGlow != null) {
		if (glow == 0f \|\| mCurrViewTopGlow.getAlpha() == 0f) {
		@@ -358,13 +378,10 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		mLastMotionY = y;
		mPullingWithOneFinger = initScale(findView(x, y));
		if (mPullingWithOneFinger) {
		mInitialTouchFocusY = mLastMotionY;
		mInitialTouchY = mLastMotionY;
		mHasPopped = false;
		}
		}
		if (DEBUG) Slog.d(TAG, "examining move: " + yDiff);
		} else {
		if (DEBUG) Slog.d(TAG, "uninteresting move");
		}
		break;
		}
		@@ -372,17 +389,16 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		case MotionEvent.ACTION_DOWN:
		mWatchingForPull = isInside(mScrollView, ev.getX(), ev.getY());
		mLastMotionY = (int) ev.getY();
		if (DEBUG) Slog.d(TAG, "action down: " + mWatchingForPull);
		break;

		case MotionEvent.ACTION_CANCEL:
		case MotionEvent.ACTION_UP:
		if (mPullingWithOneFinger) {
		finishScale(false);
		clearView();
		}
		mPullingWithOneFinger = false;
		mWatchingForPull = false;
		if (DEBUG) Slog.d(TAG, "action up: " + mWatchingForPull);
		break;
		}
		return mPullingWithOneFinger;
		@@ -391,30 +407,54 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {

		public boolean onTouchEvent(MotionEvent ev) {
		final int action = ev.getAction();
		if (DEBUG) Slog.d(TAG, "touch: act=" + (action) +
		if (DEBUG_SCALE) Slog.d(TAG, "touch: act=" + (action) +
		" stretching=" + mStretching +
		" onefinger=" + mPullingWithOneFinger);
		if (mStretching) {
		if (DEBUG) Slog.d(TAG, "detector ontouch");
		mDetector.onTouchEvent(ev);
		}
		switch (action) {
		case MotionEvent.ACTION_MOVE: {
		if (mPullingWithOneFinger) {
		float hand = ev.getY() - mInitialTouchFocusY;
		if (mHasPopped \|\| hand > mPopLimit) {
		float target = ev.getY() - mInitialTouchY + mOldHeight;
		float newHeight = clamp(target);
		if (mHasPopped \|\| target > mPopLimit) {
		if (!mHasPopped) {
		vibrate(mPopDuration);
		mHasPopped = true;
		}
		hand = hand + mOldHeight;
		float target = hand;
		float newHeight = clamp(target);
		mScaler.setHeight(newHeight);
		// glow if overscale
		if (target > mNaturalHeight) {
		View previous = mCallback.getPreviousChild(mCurrView);
		if (previous != null) {
		setGlow(0f);
		pushView(previous);
		initScale(previous);
		mInitialTouchY = ev.getY();
		target = mOldHeight;
		newHeight = clamp(target);
		mHasPopped = false;
		} else {
		setGlow(calculateGlow(target, newHeight));
		}
		} else if (target < mSmallSize && !popStack.empty()) {
		setGlow(0f);
		initScale(popView());
		mInitialTouchY = ev.getY();
		setGlow(GLOW_BASE);
		} else {
		setGlow(calculateGlow(target, newHeight));
		}
		} else {
		if (target < mSmallSize && !popStack.empty()) {
		setGlow(0f);
		initScale(popView());
		mInitialTouchY = ev.getY();
		setGlow(GLOW_BASE);
		} else {
		setGlow(calculateGlow(4f * hand, 0f));
		setGlow(calculateGlow(4f * target, mSmallSize));
		}
		}
		return true;
		}
		@@ -464,7 +504,6 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		} else {
		h = (force \|\| h < mNaturalHeight) ? mSmallSize : mNaturalHeight;
		}
		if (DEBUG && mCurrView != null) mCurrView.setBackgroundColor(0);
		if (mScaleAnimation.isRunning()) {
		mScaleAnimation.cancel();
		}
		@@ -474,10 +513,12 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		setGlow(0f);
		mCallback.setUserExpandedChild(mCurrView, h == mNaturalHeight);
		if (DEBUG) Slog.d(TAG, "scale was finished on view: " + mCurrView);
		clearView();
		}

		private void clearView() {
		while (!popStack.empty()) {
		popStack.pop();
		}
		mCurrView = null;
		mCurrViewTopGlow = null;
		mCurrViewBottomGlow = null;
		@@ -498,10 +539,38 @@ public class ExpandHelper implements Gefingerpoken, OnClickListener {
		}
		}

		private void pushView(View v) {
		PopState state = new PopState();
		state.mCurrView = mCurrView;
		state.mCurrViewTopGlow = mCurrViewTopGlow;
		state.mCurrViewBottomGlow = mCurrViewBottomGlow;
		state.mOldHeight = mOldHeight;
		state.mNaturalHeight = mNaturalHeight;
		state.mInitialTouchY = mInitialTouchY;
		popStack.push(state);
		}

		private View popView() {
		if (popStack.empty()) {
		return null;
		}

		PopState state = popStack.pop();
		mCurrView = state.mCurrView;
		mCurrViewTopGlow = state.mCurrViewTopGlow;
		mCurrViewBottomGlow = state.mCurrViewBottomGlow;
		mOldHeight = state.mOldHeight;
		mNaturalHeight = state.mNaturalHeight;
		mInitialTouchY = state.mInitialTouchY;

		return mCurrView;
		}

		@Override
		public void onClick(View v) {
		initScale(v);
		finishScale(true);
		clearView();
		}

		/**

packages/SystemUI/src/com/android/systemui/statusbar/policy/NotificationRowLayout.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -204,6 +204,20 @@ public class NotificationRowLayout
		return null;
		}

		public View getPreviousChild(View currentChild) {
		final int count = getChildCount();
		for (int childIdx = 0; childIdx < count; childIdx++) {
		if (getChildAt(childIdx) == currentChild) {
		if (childIdx == 0) {
		return null;
		} else {
		return getChildAt(childIdx - 1);
		}
		}
		}
		return null;
		}

		public View getChildContentView(View v) {
		return v;
		}