Merge "One-finger notificaiton open: pop the next item too."

This commit is contained in:
Chris Wren
2012-06-20 09:28:38 -07:00
committed by Android (Google) Code Review
5 changed files with 113 additions and 30 deletions

View File

@@ -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

View File

@@ -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

View File

@@ -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>

View File

@@ -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
setGlow(calculateGlow(target, newHeight));
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 {
setGlow(calculateGlow(4f * hand, 0f));
if (target < mSmallSize && !popStack.empty()) {
setGlow(0f);
initScale(popView());
mInitialTouchY = ev.getY();
setGlow(GLOW_BASE);
} else {
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();
}
/**

View File

@@ -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;
}