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/* * Copyright (C) 2012 The Android Open Source Project *// w w w . j ava 2 s . c o 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.android.deskclock.widget; import android.animation.Animator; import android.animation.AnimatorInflater; import android.content.Context; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import com.android.deskclock.R; /** * A custom {@link View} that exposes an action to the user. * <p> * This is a copy of packages/apps/UnifiedEmail/src/com/android/mail/ui/ActionableToastBar.java * with minor modifications. */ public class ActionableToastBar extends LinearLayout { private boolean mHidden = false; private Animator mShowAnimation; private Animator mHideAnimation; private final int mBottomMarginSizeInConversation; /** Icon for the description. */ private ImageView mActionDescriptionIcon; /** The clickable view */ private View mActionButton; /** Icon for the action button. */ private View mActionIcon; /** The view that contains the description. */ private TextView mActionDescriptionView; /** The view that contains the text for the action button. */ private TextView mActionText; //private ToastBarOperation mOperation; public ActionableToastBar(Context context) { this(context, null); } public ActionableToastBar(Context context, AttributeSet attrs) { this(context, attrs, 0); } public ActionableToastBar(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); mBottomMarginSizeInConversation = context.getResources().getDimensionPixelSize( R.dimen.toast_bar_bottom_margin_in_conversation); LayoutInflater.from(context).inflate(R.layout.actionable_toast_row, this, true); } @Override protected void onFinishInflate() { super.onFinishInflate(); mActionDescriptionIcon = (ImageView) findViewById(R.id.description_icon); mActionDescriptionView = (TextView) findViewById(R.id.description_text); mActionButton = findViewById(R.id.action_button); mActionIcon = findViewById(R.id.action_icon); mActionText = (TextView) findViewById(R.id.action_text); } /** * Tells the view that it will be appearing in the conversation pane * and should adjust its layout parameters accordingly. * @param isInConversationMode true if the view will be shown in the conversation view */ public void setConversationMode(boolean isInConversationMode) { final FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) getLayoutParams(); params.bottomMargin = isInConversationMode ? mBottomMarginSizeInConversation : 0; setLayoutParams(params); } /** * Displays the toast bar and makes it visible. Allows the setting of * parameters to customize the display. * @param listener performs some action when the action button is clicked * @param descriptionIconResourceId resource ID for the description icon or * 0 if no icon should be shown * @param descriptionText a description text to show in the toast bar * @param showActionIcon if true, the action button icon should be shown * @param actionTextResource resource ID for the text to show in the action button * @param replaceVisibleToast if true, this toast should replace any currently visible toast. * Otherwise, skip showing this toast. */ public void show(final ActionClickedListener listener, int descriptionIconResourceId, CharSequence descriptionText, boolean showActionIcon, int actionTextResource, boolean replaceVisibleToast) { if (!mHidden && !replaceVisibleToast) { return; } mActionButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View widget) { if (listener != null) { listener.onActionClicked(); } hide(true); } }); // Set description icon. if (descriptionIconResourceId == 0) { mActionDescriptionIcon.setVisibility(GONE); } else { mActionDescriptionIcon.setVisibility(VISIBLE); mActionDescriptionIcon.setImageResource(descriptionIconResourceId); } mActionDescriptionView.setText(descriptionText); mActionIcon.setVisibility(showActionIcon ? VISIBLE : GONE); mActionText.setText(actionTextResource); mHidden = false; getShowAnimation().start(); } /** * Hides the view and resets the state. */ public void hide(boolean animate) { // Prevent multiple call to hide. // Also prevent hiding if show animation is going on. if (!mHidden && !getShowAnimation().isRunning()) { mHidden = true; if (getVisibility() == View.VISIBLE) { mActionDescriptionView.setText(""); mActionButton.setOnClickListener(null); // Hide view once it's clicked. if (animate) { getHideAnimation().start(); } else { setAlpha(0); setVisibility(View.GONE); } } } } private Animator getShowAnimation() { if (mShowAnimation == null) { mShowAnimation = AnimatorInflater.loadAnimator(getContext(), R.anim.fade_in); mShowAnimation.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { setVisibility(View.VISIBLE); } @Override public void onAnimationEnd(Animator animation) { // There is a tiny change that and hide animation could have finished right // before the show animation finished. In that case, the hide will mark the // view as GONE. We need to make sure the last one wins. setVisibility(View.VISIBLE); } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); mShowAnimation.setTarget(this); } return mShowAnimation; } private Animator getHideAnimation() { if (mHideAnimation == null) { mHideAnimation = AnimatorInflater.loadAnimator(getContext(), R.anim.fade_out); mHideAnimation.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { setVisibility(View.GONE); } @Override public void onAnimationCancel(Animator animation) { } }); mHideAnimation.setTarget(this); } return mHideAnimation; } public boolean isEventInToastBar(MotionEvent event) { if (!isShown()) { return false; } int[] xy = new int[2]; float x = event.getX(); float y = event.getY(); getLocationOnScreen(xy); return (x > xy[0] && x < (xy[0] + getWidth()) && y > xy[1] && y < xy[1] + getHeight()); } /** * Classes that wish to perform some action when the action button is clicked * should implement this interface. */ public interface ActionClickedListener { public void onActionClicked(); } }