Merge "Fade back button in and out tied with the overview/shelf (1/2)" into pi-dev

This commit is contained in:
Winson Chung
2018-05-19 04:36:16 +00:00
committed by Android (Google) Code Review
6 changed files with 53 additions and 29 deletions

View File

@@ -54,4 +54,10 @@ interface ISystemUiProxy {
* Get the secondary split screen app's rectangle when not minimized.
*/
Rect getNonMinimizedSplitScreenSecondaryBounds() = 7;
/**
* Control the {@param alpha} of the back button in the navigation bar and {@param animate} if
* needed from current value
*/
void setBackButtonAlpha(float alpha, boolean animate) = 8;
}

View File

@@ -62,8 +62,7 @@ public class NavigationBarCompat {
@Retention(RetentionPolicy.SOURCE)
@IntDef({FLAG_DISABLE_SWIPE_UP,
FLAG_DISABLE_QUICK_SCRUB,
FLAG_SHOW_OVERVIEW_BUTTON,
FLAG_HIDE_BACK_BUTTON
FLAG_SHOW_OVERVIEW_BUTTON
})
public @interface InteractionType {}
@@ -82,11 +81,6 @@ public class NavigationBarCompat {
*/
public static final int FLAG_SHOW_OVERVIEW_BUTTON = 0x4;
/**
* Interaction type: show/hide the back button while this service is connected to launcher
*/
public static final int FLAG_HIDE_BACK_BUTTON = 0x8;
private static int convertDpToPixel(float dp){
return (int) (dp * Resources.getSystem().getDisplayMetrics().density);
}

View File

@@ -161,6 +161,19 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
Binder.restoreCallingIdentity(token);
}
}
public void setBackButtonAlpha(float alpha, boolean animate) {
long token = Binder.clearCallingIdentity();
try {
mHandler.post(() -> {
for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) {
mConnectionCallbacks.get(i).onBackButtonAlphaChanged(alpha, animate);
}
});
} finally {
Binder.restoreCallingIdentity(token);
}
}
};
private final Runnable mDeferredConnectionCallback = () -> {
@@ -389,5 +402,6 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
default void onInteractionFlagsChanged(@InteractionType int flags) {}
default void onOverviewShown(boolean fromHome) {}
default void onQuickScrubStarted() {}
default void onBackButtonAlphaChanged(float alpha, boolean animate) {}
}
}

View File

@@ -14,13 +14,15 @@
package com.android.systemui.statusbar.phone;
import static com.android.systemui.Interpolators.ALPHA_IN;
import static com.android.systemui.Interpolators.ALPHA_OUT;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.view.View;
import android.view.View.AccessibilityDelegate;
import com.android.systemui.Interpolators;
import com.android.systemui.plugins.statusbar.phone.NavBarButtonProvider.ButtonInterface;
import com.android.systemui.statusbar.policy.KeyButtonDrawable;
@@ -150,10 +152,27 @@ public class ButtonDispatcher {
}
public void setAlpha(float alpha) {
mAlpha = alpha;
final int N = mViews.size();
for (int i = 0; i < N; i++) {
mViews.get(i).setAlpha(alpha);
setAlpha(alpha, false /* animate */);
}
public void setAlpha(float alpha, boolean animate) {
if (animate) {
if (mFadeAnimator != null) {
mFadeAnimator.cancel();
}
mFadeAnimator = ValueAnimator.ofFloat(getAlpha(), alpha);
mFadeAnimator.setDuration(getAlpha() < alpha? FADE_DURATION_IN : FADE_DURATION_OUT);
mFadeAnimator.setInterpolator(getAlpha() < alpha ? ALPHA_IN : ALPHA_OUT);
mFadeAnimator.addListener(mFadeListener);
mFadeAnimator.addUpdateListener(mAlphaListener);
mFadeAnimator.start();
setVisibility(View.VISIBLE);
} else {
mAlpha = alpha;
final int N = mViews.size();
for (int i = 0; i < N; i++) {
mViews.get(i).setAlpha(alpha);
}
}
}
@@ -233,19 +252,6 @@ public class ButtonDispatcher {
}
}
public void animateFade(boolean in) {
if (mFadeAnimator != null) {
mFadeAnimator.cancel();
}
mFadeAnimator = ValueAnimator.ofFloat(getAlpha(), in ? 1 : 0);
mFadeAnimator.setDuration(in? FADE_DURATION_IN : FADE_DURATION_OUT);
mFadeAnimator.setInterpolator(in ? Interpolators.ALPHA_IN : Interpolators.ALPHA_OUT);
mFadeAnimator.addListener(mFadeListener);
mFadeAnimator.addUpdateListener(mAlphaListener);
mFadeAnimator.start();
setVisibility(View.VISIBLE);
}
public ArrayList<View> getViews() {
return mViews;
}

View File

@@ -186,6 +186,13 @@ public class NavigationBarFragment extends Fragment implements Callbacks {
mNavigationBarView.updateStates();
updateScreenPinningGestures();
}
@Override
public void onBackButtonAlphaChanged(float alpha, boolean animate) {
final ButtonDispatcher backButton = mNavigationBarView.getBackButton();
backButton.setVisibility(alpha > 0 ? View.VISIBLE : View.INVISIBLE);
backButton.setAlpha(alpha, animate);
}
};
// ----- Fragment Lifecycle Callbacks -----

View File

@@ -85,7 +85,6 @@ import java.io.PrintWriter;
import java.util.function.Consumer;
import static com.android.systemui.shared.system.NavigationBarCompat.FLAG_DISABLE_QUICK_SCRUB;
import static com.android.systemui.shared.system.NavigationBarCompat.FLAG_HIDE_BACK_BUTTON;
import static com.android.systemui.shared.system.NavigationBarCompat.FLAG_SHOW_OVERVIEW_BUTTON;
import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_OVERVIEW;
import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_ROTATION;
@@ -655,8 +654,6 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
disableRecent |= (flags & FLAG_SHOW_OVERVIEW_BUTTON) == 0;
if (pinningActive) {
disableBack = disableHome = false;
} else {
disableBack |= (flags & FLAG_HIDE_BACK_BUTTON) != 0;
}
} else if (pinningActive) {
disableBack = disableRecent = false;
@@ -863,7 +860,7 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
public boolean isRotateButtonVisible() { return mShowRotateButton; }
public void setMenuContainerVisibility(boolean visible) {
getMenuContainer().animateFade(visible);
getMenuContainer().setAlpha(visible ? 1 : 0, true /* animate */);
}
@Override