mirror of https://github.com/kurisufriend/Clover
Controllers now have addChildController and removeChildController methods that manage adding and removing child controllers to the controller. This way the methods like onBack are propagated correctly. Reworked the toolbar setNavigation methods to allow the animation fraction to be set manually and to make it possible to cancel a transition.multisite
Floens
10 years ago
parent
81adc3cb0d
commit
444277ddbd
@ -1,99 +0,0 @@ |
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.controller; |
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import android.view.ViewGroup; |
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import org.floens.chan.utils.AndroidUtils; |
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public class ControllerLogic { |
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public static void attach(Controller controller, ViewGroup view, boolean over) { |
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ViewGroup.LayoutParams params = controller.view.getLayoutParams(); |
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if (params == null) { |
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params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); |
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} else { |
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params.width = ViewGroup.LayoutParams.MATCH_PARENT; |
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params.height = ViewGroup.LayoutParams.MATCH_PARENT; |
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} |
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controller.view.setLayoutParams(params); |
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if (over) { |
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view.addView(controller.view, controller.view.getLayoutParams()); |
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} else { |
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view.addView(controller.view, 0, controller.view.getLayoutParams()); |
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} |
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} |
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public static void detach(Controller controller) { |
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AndroidUtils.removeFromParentView(controller.view); |
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} |
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public static void transition(Controller from, Controller to, boolean pushing, ViewGroup toView) { |
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transition(from, to, pushing, !pushing, toView); |
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} |
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public static void transition(Controller from, Controller to, boolean createTo, boolean destroyFrom, ViewGroup toView) { |
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if (to != null) { |
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if (createTo) { |
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to.onCreate(); |
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} |
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attach(to, toView, true); |
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to.onShow(); |
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} |
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if (from != null) { |
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from.onHide(); |
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detach(from); |
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if (destroyFrom) { |
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from.onDestroy(); |
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} |
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} |
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} |
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public static void startTransition(Controller from, Controller to, boolean pushing, ViewGroup toView, ControllerTransition transition) { |
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transition.destroyFrom = !pushing; |
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transition.from = from; |
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transition.to = to; |
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if (to != null) { |
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if (pushing) { |
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to.onCreate(); |
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} |
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attach(to, toView, transition.viewOver); |
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to.onShow(); |
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} |
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transition.perform(); |
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} |
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public static void finishTransition(ControllerTransition transition) { |
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if (transition.from != null) { |
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transition.from.onHide(); |
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detach(transition.from); |
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if (transition.destroyFrom) { |
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transition.from.onDestroy(); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,310 @@ |
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.controller.ui; |
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import android.content.Context; |
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import android.graphics.Canvas; |
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import android.graphics.Color; |
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import android.graphics.Paint; |
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import android.graphics.Rect; |
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import android.support.v4.view.ViewCompat; |
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import android.util.AttributeSet; |
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import android.view.MotionEvent; |
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import android.view.VelocityTracker; |
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import android.view.ViewConfiguration; |
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import android.widget.FrameLayout; |
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import android.widget.Scroller; |
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import org.floens.chan.controller.Controller; |
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import org.floens.chan.controller.NavigationController; |
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public class NavigationControllerContainerLayout extends FrameLayout { |
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private NavigationController navigationController; |
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private int slopPixels; |
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private int flingPixels; |
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private int maxFlingPixels; |
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private boolean swipeEnabled = true; |
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private MotionEvent downEvent; |
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private boolean dontStartSwiping = false; |
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private MotionEvent swipeStartEvent; |
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private VelocityTracker velocityTracker; |
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private Scroller scroller; |
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private boolean popAfterSwipe = false; |
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private Paint shadowPaint; |
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private Rect shadowRect = new Rect(); |
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private boolean drawShadow; |
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private int swipePosition; |
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private boolean swiping = false; |
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private Controller swipingController; |
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public NavigationControllerContainerLayout(Context context) { |
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super(context); |
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init(); |
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} |
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public NavigationControllerContainerLayout(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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init(); |
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} |
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public NavigationControllerContainerLayout(Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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init(); |
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} |
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private void init() { |
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ViewConfiguration viewConfiguration = ViewConfiguration.get(getContext()); |
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slopPixels = (int) (viewConfiguration.getScaledTouchSlop() * 0.5f); |
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flingPixels = viewConfiguration.getScaledMinimumFlingVelocity(); |
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maxFlingPixels = viewConfiguration.getScaledMaximumFlingVelocity(); |
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scroller = new Scroller(getContext()); |
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shadowPaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
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} |
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public void setSwipeEnabled(boolean swipeEnabled) { |
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this.swipeEnabled = swipeEnabled; |
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} |
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public void setNavigationController(NavigationController navigationController) { |
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this.navigationController = navigationController; |
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} |
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@Override |
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public boolean onInterceptTouchEvent(MotionEvent event) { |
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if (!swipeEnabled || swiping) { |
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return false; |
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} |
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int actionMasked = event.getActionMasked(); |
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if (actionMasked != MotionEvent.ACTION_DOWN && downEvent == null) { |
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// Action down wasn't called here, ignore
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return false; |
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} |
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if (!navigationController.getTop().navigationItem.swipeable) { |
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return false; |
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} |
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if (getBelowTop() == null) { |
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// Cannot swipe now
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return false; |
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} |
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switch (actionMasked) { |
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case MotionEvent.ACTION_DOWN: |
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// Logger.test("onInterceptTouchEvent down");
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downEvent = MotionEvent.obtain(event); |
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break; |
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case MotionEvent.ACTION_MOVE: { |
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// Logger.test("onInterceptTouchEvent move");
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float x = (event.getX() - downEvent.getX()); |
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float y = (event.getY() - downEvent.getY()); |
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if (Math.abs(y) >= slopPixels) { |
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// Logger.test("dontStartSwiping = true");
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dontStartSwiping = true; |
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} |
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if (!dontStartSwiping && Math.abs(x) > Math.abs(y) && x >= slopPixels && !navigationController.isBlockingInput()) { |
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// Logger.test("Start tracking swipe");
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downEvent.recycle(); |
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downEvent = null; |
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swipeStartEvent = MotionEvent.obtain(event); |
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velocityTracker = VelocityTracker.obtain(); |
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velocityTracker.addMovement(event); |
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swiping = true; |
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return true; |
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} |
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break; |
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} |
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case MotionEvent.ACTION_CANCEL: |
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case MotionEvent.ACTION_UP: { |
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// Logger.test("onInterceptTouchEvent cancel/up");
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downEvent.recycle(); |
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downEvent = null; |
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dontStartSwiping = false; |
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break; |
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} |
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} |
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return false; |
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} |
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@Override |
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public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { |
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if (disallowIntercept) { |
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if (downEvent != null) { |
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downEvent.recycle(); |
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downEvent = null; |
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} |
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dontStartSwiping = false; |
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} |
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super.requestDisallowInterceptTouchEvent(disallowIntercept); |
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} |
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@Override |
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public boolean onTouchEvent(MotionEvent event) { |
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// This touch wasn't initiated with onInterceptTouchEvent
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if (swipeStartEvent == null) { |
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return false; |
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} |
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if (swipingController == null) { |
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// Start of swipe
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// Logger.test("Start of swipe");
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swipingController = navigationController.getTop(); |
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drawShadow = true; |
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// long start = Time.startTiming();
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Controller below = getBelowTop(); |
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navigationController.beginSwipeTransition(swipingController, below); |
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// Time.endTiming("attach", start);
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} |
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float translationX = Math.max(0, event.getX() - swipeStartEvent.getX()); |
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setTopControllerTranslation((int) translationX); |
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velocityTracker.addMovement(event); |
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switch (event.getActionMasked()) { |
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case MotionEvent.ACTION_CANCEL: |
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case MotionEvent.ACTION_UP: { |
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// Logger.test("onTouchEvent cancel or up");
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scroller.forceFinished(true); |
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velocityTracker.addMovement(event); |
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velocityTracker.computeCurrentVelocity(1000); |
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float velocity = velocityTracker.getXVelocity(); |
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if (translationX > 0f) { |
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boolean isFling = false; |
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if (velocity > 0f && Math.abs(velocity) > flingPixels && Math.abs(velocity) < maxFlingPixels) { |
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scroller.fling((int) translationX, 0, (int) velocity, 0, 0, Integer.MAX_VALUE, 0, 0); |
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if (scroller.getFinalX() >= getWidth()) { |
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isFling = true; |
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} |
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} |
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if (isFling) { |
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// Logger.test("Flinging with velocity = " + velocity);
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popAfterSwipe = true; |
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ViewCompat.postOnAnimation(this, flingRunnable); |
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} else { |
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// Logger.test("Snapping back!");
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scroller.forceFinished(true); |
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scroller.startScroll((int) translationX, 0, -((int) translationX), 0, 300); |
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popAfterSwipe = false; |
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ViewCompat.postOnAnimation(this, flingRunnable); |
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} |
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} else { |
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finishSwipe(); |
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} |
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swipeStartEvent.recycle(); |
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swipeStartEvent = null; |
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velocityTracker.recycle(); |
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velocityTracker = null; |
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break; |
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} |
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} |
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return true; |
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} |
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@Override |
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protected void dispatchDraw(Canvas canvas) { |
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super.dispatchDraw(canvas); |
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if (drawShadow) { |
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float alpha = Math.min(1f, Math.max(0f, 0.5f - (swipePosition / (float) getWidth()) * 0.5f)); |
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shadowPaint.setColor(Color.argb((int) (alpha * 255f), 0, 0, 0)); |
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shadowRect.set(0, 0, swipePosition, getHeight()); |
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canvas.drawRect(shadowRect, shadowPaint); |
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} |
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} |
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private void finishSwipe() { |
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Controller below = getBelowTop(); |
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navigationController.endSwipeTransition(swipingController, below, popAfterSwipe); |
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swipingController = null; |
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drawShadow = false; |
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swiping = false; |
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} |
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private Runnable flingRunnable = new Runnable() { |
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@Override |
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public void run() { |
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boolean finished = false; |
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if (scroller.computeScrollOffset()) { |
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float translationX = scroller.getCurrX(); |
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setTopControllerTranslation((int) translationX); |
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// The view is not visible anymore. End it before the fling completely finishes.
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if (translationX >= getWidth()) { |
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finished = true; |
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} |
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} else { |
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finished = true; |
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} |
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if (!finished) { |
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ViewCompat.postOnAnimation(NavigationControllerContainerLayout.this, flingRunnable); |
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} else { |
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finishSwipe(); |
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} |
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} |
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}; |
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private void setTopControllerTranslation(int translationX) { |
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swipePosition = translationX; |
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swipingController.view.setTranslationX(swipePosition); |
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navigationController.swipeTransitionProgress(swipePosition / (float) getWidth()); |
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invalidate(); |
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} |
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private Controller getBelowTop() { |
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if (navigationController.childControllers.size() >= 2) { |
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return navigationController.childControllers.get(navigationController.childControllers.size() - 2); |
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} else { |
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return null; |
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} |
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} |
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} |
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