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/******************************************************************************* * Copyright 2011, 2012 Chris Banes./*from w ww . j a v a2 s .co m*/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package com.raweng.built.userInterface.pulltorefresh; import android.view.View; import android.view.animation.Interpolator; import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.Mode; import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.OnPullEventListener; import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.OnRefreshListener; import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.OnRefreshListener2; import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.State; public interface IPullToRefresh<T extends View> { /** * Demos the Pull-to-Refresh functionality to the user so that they are * aware it is there. This could be useful when the user first opens your * app, etc. The animation will only happen if the Refresh View (ListView, * ScrollView, etc) is in a state where a Pull-to-Refresh could occur by a * user's touch gesture (i.e. scrolled to the top/bottom). * * @return true - if the Demo has been started, false if not. */ public boolean demo(); /** * Get the mode that this view is currently in. This is only really useful * when using <code>Mode.BOTH</code>. * * @return Mode that the view is currently in */ public Mode getCurrentMode(); /** * Returns whether the Touch Events are filtered or not. If true is * returned, then the View will only use touch events where the difference * in the Y-axis is greater than the difference in the X-axis. This means * that the View will not interfere when it is used in a horizontal * scrolling View (such as a ViewPager). * * @return boolean - true if the View is filtering Touch Events */ public boolean getFilterTouchEvents(); /** * Returns a proxy object which allows you to call methods on all of the * LoadingLayouts (the Views which show when Pulling/Refreshing). * <p /> * You should not keep the result of this method any longer than you need * it. * * @return Object which will proxy any calls you make on it, to all of the * LoadingLayouts. */ public ILoadingLayout getLoadingLayoutProxy(); /** * Returns a proxy object which allows you to call methods on the * LoadingLayouts (the Views which show when Pulling/Refreshing). The actual * LoadingLayout(s) which will be affected, are chosen by the parameters you * give. * <p /> * You should not keep the result of this method any longer than you need * it. * * @param includeStart - Whether to include the Start/Header Views * @param includeEnd - Whether to include the End/Footer Views * @return Object which will proxy any calls you make on it, to the * LoadingLayouts included. */ public ILoadingLayout getLoadingLayoutProxy(boolean includeStart, boolean includeEnd); /** * Get the mode that this view has been set to. If this returns * <code>Mode.BOTH</code>, you can use <code>getCurrentMode()</code> to * check which mode the view is currently in * * @return Mode that the view has been set to */ public Mode getMode(); /** * Get the Wrapped Refreshable View. Anything returned here has already been * added to the content view. * * @return The View which is currently wrapped */ public T getRefreshableView(); /** * Get whether the 'Refreshing' View should be automatically shown when * refreshing. Returns true by default. * * @return - true if the Refreshing View will be show */ public boolean getShowViewWhileRefreshing(); /** * @return - The state that the View is currently in. */ public State getState(); /** * Whether Pull-to-Refresh is enabled * * @return enabled */ public boolean isPullToRefreshEnabled(); /** * Gets whether Overscroll support is enabled. This is different to * Android's standard Overscroll support (the edge-glow) which is available * from GINGERBREAD onwards * * @return true - if both PullToRefresh-OverScroll and Android's inbuilt * OverScroll are enabled */ public boolean isPullToRefreshOverScrollEnabled(); /** * Returns whether the Widget is currently in the Refreshing mState * * @return true if the Widget is currently refreshing */ public boolean isRefreshing(); /** * Returns whether the widget has enabled scrolling on the Refreshable View * while refreshing. * * @return true if the widget has enabled scrolling while refreshing */ public boolean isScrollingWhileRefreshingEnabled(); /** * Mark the current Refresh as complete. Will Reset the UI and hide the * Refreshing View */ public void onRefreshComplete(); /** * Set the Touch Events to be filtered or not. If set to true, then the View * will only use touch events where the difference in the Y-axis is greater * than the difference in the X-axis. This means that the View will not * interfere when it is used in a horizontal scrolling View (such as a * ViewPager), but will restrict which types of finger scrolls will trigger * the View. * * @param filterEvents - true if you want to filter Touch Events. Default is * true. */ public void setFilterTouchEvents(boolean filterEvents); /** * Set the mode of Pull-to-Refresh that this view will use. * * @param mode - Mode to set the View to */ public void setMode(Mode mode); /** * Set OnPullEventListener for the Widget * * @param listener - Listener to be used when the Widget has a pull event to * propogate. */ public void setOnPullEventListener(OnPullEventListener<T> listener); /** * Set OnRefreshListener for the Widget * * @param listener - Listener to be used when the Widget is set to Refresh */ public void setOnRefreshListener(OnRefreshListener<T> listener); /** * Set OnRefreshListener for the Widget * * @param listener - Listener to be used when the Widget is set to Refresh */ public void setOnRefreshListener(OnRefreshListener2<T> listener); /** * Sets whether Overscroll support is enabled. This is different to * Android's standard Overscroll support (the edge-glow). This setting only * takes effect when running on device with Android v2.3 or greater. * * @param enabled - true if you want Overscroll enabled */ public void setPullToRefreshOverScrollEnabled(boolean enabled); /** * Sets the Widget to be in the refresh state. The UI will be updated to * show the 'Refreshing' view, and be scrolled to show such. */ public void setRefreshing(); /** * Sets the Widget to be in the refresh state. The UI will be updated to * show the 'Refreshing' view. * * @param doScroll - true if you want to force a scroll to the Refreshing * view. */ public void setRefreshing(boolean doScroll); /** * Sets the Animation Interpolator that is used for animated scrolling. * Defaults to a DecelerateInterpolator * * @param interpolator - Interpolator to use */ public void setScrollAnimationInterpolator(Interpolator interpolator); /** * By default the Widget disables scrolling on the Refreshable View while * refreshing. This method can change this behaviour. * * @param scrollingWhileRefreshingEnabled - true if you want to enable * scrolling while refreshing */ public void setScrollingWhileRefreshingEnabled(boolean scrollingWhileRefreshingEnabled); /** * A mutator to enable/disable whether the 'Refreshing' View should be * automatically shown when refreshing. * * @param showView */ public void setShowViewWhileRefreshing(boolean showView); }