am 5050813f: Allow the panels to be temporarily dragged past their contents. (9744ad68) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/layout/status_bar_expanded.xml

+3 −1

Original line number	Diff line number	Diff line
		@@ -23,10 +23,11 @@
		xmlns:systemui="http://schemas.android.com/apk/res/com.android.systemui"
		android:id="@+id/notification_panel"
		android:layout_width="0dp"
		android:layout_height="0dp"
		android:layout_height="wrap_content"
		android:background="@drawable/notification_panel_bg"
		android:paddingTop="@dimen/notification_panel_padding_top"
		android:layout_marginLeft="@dimen/notification_panel_margin_left"
		android:animateLayoutChanges="true"
		>

		<TextView
		@@ -45,6 +46,7 @@
		android:layout_height="wrap_content"
		android:layout_marginBottom="@dimen/close_handle_underlap"
		android:orientation="vertical"
		android:animateLayoutChanges="true"
		>

		<include layout="@layout/status_bar_expanded_header"

packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelBar.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -69,14 +69,14 @@ public class PanelBar extends FrameLayout {
		return mPanels.get((int)(N * x / getMeasuredWidth()));
		}

		public boolean isEnabled() {
		public boolean panelsEnabled() {
		return true;
		}

		@Override
		public boolean onTouchEvent(MotionEvent event) {
		// Allow subclasses to implement enable/disable semantics
		if (!isEnabled()) return false;
		if (!panelsEnabled()) return false;

		// figure out which panel needs to be talked to here
		if (event.getAction() == MotionEvent.ACTION_DOWN) {

packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java

+38 −16

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ public class PanelView extends FrameLayout {
		}

		public static final boolean BRAKES = false;
		private static final boolean STRETCH_PAST_CONTENTS = true;

		private float mSelfExpandVelocityPx; // classic value: 2000px/s
		private float mSelfCollapseVelocityPx; // classic value: 2000px/s (will be negated to collapse "up")
		@@ -45,6 +46,9 @@ public class PanelView extends FrameLayout {
		private float mTouchOffset;
		private float mExpandedFraction = 0;
		private float mExpandedHeight = 0;
		private boolean mClosing;
		private boolean mRubberbanding;
		private boolean mTracking;

		private TimeAnimator mTimeAnimator;
		private VelocityTracker mVelocityTracker;
		@@ -61,7 +65,8 @@ public class PanelView extends FrameLayout {

		private final Runnable mStopAnimator = new Runnable() { public void run() {
		if (mTimeAnimator.isStarted()) {
		mTimeAnimator.end(); }
		mTimeAnimator.end();
		}
		}};

		private float mVel, mAccel;
		@@ -75,16 +80,18 @@ public class PanelView extends FrameLayout {
		mTimeAnimator.setTimeListener(mAnimationCallback);

		mTimeAnimator.start();

		mRubberbanding = STRETCH_PAST_CONTENTS && mExpandedHeight > getFullHeight();
		mClosing = (mExpandedHeight > 0 && mVel < 0) \|\| mRubberbanding;
		} else if (dtms > 0) {
		final float dt = dtms * 0.001f; // ms -> s
		LOG("tick: v=%.2fpx/s dt=%.4fs", mVel, dt);
		LOG("tick: before: h=%d", (int) mExpandedHeight);

		final float fh = getFullHeight();
		final boolean closing = mExpandedHeight > 0 && mVel < 0;
		boolean braking = false;
		if (BRAKES) {
		if (closing) {
		if (mClosing) {
		braking = mExpandedHeight <= mCollapseBrakingDistancePx;
		mAccel = braking ? 10*mCollapseAccelPx : -mCollapseAccelPx;
		} else {
		@@ -92,36 +99,40 @@ public class PanelView extends FrameLayout {
		mAccel = braking ? 10*-mExpandAccelPx : mExpandAccelPx;
		}
		} else {
		mAccel = closing ? -mCollapseAccelPx : mExpandAccelPx;
		mAccel = mClosing ? -mCollapseAccelPx : mExpandAccelPx;
		}

		mVel += mAccel * dt;

		if (braking) {
		if (closing && mVel > -mBrakingSpeedPx) {
		if (mClosing && mVel > -mBrakingSpeedPx) {
		mVel = -mBrakingSpeedPx;
		} else if (!closing && mVel < mBrakingSpeedPx) {
		} else if (!mClosing && mVel < mBrakingSpeedPx) {
		mVel = mBrakingSpeedPx;
		}
		} else {
		if (closing && mVel > -mFlingCollapseMinVelocityPx) {
		if (mClosing && mVel > -mFlingCollapseMinVelocityPx) {
		mVel = -mFlingCollapseMinVelocityPx;
		} else if (!closing && mVel > mFlingGestureMaxOutputVelocityPx) {
		} else if (!mClosing && mVel > mFlingGestureMaxOutputVelocityPx) {
		mVel = mFlingGestureMaxOutputVelocityPx;
		}
		}

		float h = mExpandedHeight + mVel * dt;

		LOG("tick: new h=%d closing=%s", (int) h, closing?"true":"false");
		if (mRubberbanding && h < fh) {
		h = fh;
		}

		LOG("tick: new h=%d closing=%s", (int) h, mClosing?"true":"false");

		setExpandedHeightInternal(h);

		mBar.panelExpansionChanged(PanelView.this, mExpandedFraction);

		if (mVel == 0
		\|\| (closing && mExpandedHeight == 0)
		\|\| (!closing && mExpandedHeight == getFullHeight())) {
		\|\| (mClosing && mExpandedHeight == 0)
		\|\| ((mRubberbanding \|\| !mClosing) && mExpandedHeight == fh)) {
		post(mStopAnimator);
		}
		}
		@@ -183,6 +194,7 @@ public class PanelView extends FrameLayout {

		switch (event.getAction()) {
		case MotionEvent.ACTION_DOWN:
		mTracking = true;
		mVelocityTracker = VelocityTracker.obtain();
		trackMovement(event);
		mBar.onTrackingStarted(PanelView.this);
		@@ -190,7 +202,7 @@ public class PanelView extends FrameLayout {
		break;

		case MotionEvent.ACTION_MOVE:
		PanelView.this.setExpandedHeight(rawY - mAbsPos[1] - mTouchOffset);
		PanelView.this.setExpandedHeightInternal(rawY - mAbsPos[1] - mTouchOffset);

		mBar.panelExpansionChanged(PanelView.this, mExpandedFraction);

		@@ -199,6 +211,7 @@ public class PanelView extends FrameLayout {

		case MotionEvent.ACTION_UP:
		case MotionEvent.ACTION_CANCEL:
		mTracking = false;
		mBar.onTrackingStopped(PanelView.this);
		trackMovement(event);
		mVelocityTracker.computeCurrentVelocity(1000);
		@@ -275,6 +288,10 @@ public class PanelView extends FrameLayout {
		LOG("onMeasure(%d, %d) -> (%d, %d)",
		widthMeasureSpec, heightMeasureSpec, getMeasuredWidth(), getMeasuredHeight());
		mFullHeight = getMeasuredHeight();
		// if one of our children is getting smaller, we should track that
		if (!mTracking && !mRubberbanding && !mTimeAnimator.isStarted() && mExpandedHeight > 0 && mExpandedHeight != mFullHeight) {
		mExpandedHeight = mFullHeight;
		}
		heightMeasureSpec = MeasureSpec.makeMeasureSpec(
		(int) mExpandedHeight, MeasureSpec.AT_MOST); // MeasureSpec.getMode(heightMeasureSpec));
		setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
		@@ -286,17 +303,22 @@ public class PanelView extends FrameLayout {
		setExpandedHeightInternal(height);
		}

		@Override
		protected void onLayout (boolean changed, int left, int top, int right, int bottom) {
		LOG("onLayout: changed=%s, bottom=%d eh=%d fh=%d", changed?"T":"f", bottom, (int)mExpandedHeight, (int)mFullHeight);
		super.onLayout(changed, left, top, right, bottom);
		}

		public void setExpandedHeightInternal(float h) {
		float fh = getFullHeight();
		if (fh == 0) {
		// Hmm, full height hasn't been computed yet
		}

		LOG("setExpansion: height=%.1f fh=%.1f", h, fh);
		LOG("setExpansion: height=%.1f fh=%.1f tracking=%s rubber=%s", h, fh, mTracking?"T":"f", mRubberbanding?"T":"f");

		if (h < 0) h = 0;
		else if (h > fh) h = fh;

		if (!(STRETCH_PAST_CONTENTS && (mTracking \|\| mRubberbanding)) && h > fh) h = fh;
		mExpandedHeight = h;

		requestLayout();

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -109,7 +109,7 @@ public class PhoneStatusBar extends BaseStatusBar {
		public static final String ACTION_STATUSBAR_START
		= "com.android.internal.policy.statusbar.START";

		private static final boolean SHOW_CARRIER_LABEL = true;
		private static final boolean SHOW_CARRIER_LABEL = false; // XXX: doesn't work with rubberband panels right now

		private static final int MSG_OPEN_NOTIFICATION_PANEL = 1000;
		private static final int MSG_CLOSE_NOTIFICATION_PANEL = 1001;

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -71,7 +71,7 @@ public class PhoneStatusBarView extends PanelBar {
		}

		@Override
		public boolean isEnabled() {
		public boolean panelsEnabled() {
		return ((mBar.mDisabled & StatusBarManager.DISABLE_EXPAND) == 0);
		}