| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * 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.launcher2; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.animation.AccelerateInterpolator; |
| import android.view.animation.DecelerateInterpolator; |
| import android.widget.FrameLayout; |
| |
| import com.android.launcher.R; |
| |
| /* |
| * Ths bar will manage the transition between the QSB search bar and the delete drop |
| * targets so that each of the individual IconDropTargets don't have to. |
| */ |
| public class SearchDropTargetBar extends FrameLayout implements DragController.DragListener { |
| |
| private static final int sTransitionInDuration = 200; |
| private static final int sTransitionOutDuration = 175; |
| |
| private AnimatorSet mDropTargetBarFadeInAnim; |
| private AnimatorSet mDropTargetBarFadeOutAnim; |
| private ObjectAnimator mQSBSearchBarFadeInAnim; |
| private ObjectAnimator mQSBSearchBarFadeOutAnim; |
| |
| private boolean mIsSearchBarHidden; |
| private View mQSBSearchBar; |
| private View mDropTargetBar; |
| private ButtonDropTarget mInfoDropTarget; |
| private ButtonDropTarget mDeleteDropTarget; |
| private int mBarHeight; |
| |
| public SearchDropTargetBar(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public SearchDropTargetBar(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| public void setup(Launcher launcher, DragController dragController) { |
| dragController.addDragListener(this); |
| dragController.addDragListener(mInfoDropTarget); |
| dragController.addDragListener(mDeleteDropTarget); |
| dragController.addDropTarget(mInfoDropTarget); |
| dragController.addDropTarget(mDeleteDropTarget); |
| mInfoDropTarget.setLauncher(launcher); |
| mDeleteDropTarget.setLauncher(launcher); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| // Get the individual components |
| mQSBSearchBar = findViewById(R.id.qsb_search_bar); |
| mDropTargetBar = findViewById(R.id.drag_target_bar); |
| mInfoDropTarget = (ButtonDropTarget) mDropTargetBar.findViewById(R.id.info_target); |
| mDeleteDropTarget = (ButtonDropTarget) mDropTargetBar.findViewById(R.id.delete_target); |
| mBarHeight = getResources().getDimensionPixelSize(R.dimen.qsb_bar_height); |
| |
| boolean enableDropDownDropTargets = |
| getResources().getBoolean(R.bool.config_useDropTargetDownTransition); |
| |
| // Create the various fade animations |
| mDropTargetBar.setAlpha(0f); |
| ObjectAnimator fadeInAlphaAnim = ObjectAnimator.ofFloat(mDropTargetBar, "alpha", 1f); |
| fadeInAlphaAnim.setInterpolator(new DecelerateInterpolator()); |
| mDropTargetBarFadeInAnim = new AnimatorSet(); |
| AnimatorSet.Builder fadeInAnimators = mDropTargetBarFadeInAnim.play(fadeInAlphaAnim); |
| if (enableDropDownDropTargets) { |
| mDropTargetBar.setTranslationY(-mBarHeight); |
| fadeInAnimators.with(ObjectAnimator.ofFloat(mDropTargetBar, "translationY", 0f)); |
| } |
| mDropTargetBarFadeInAnim.setDuration(sTransitionInDuration); |
| mDropTargetBarFadeInAnim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mDropTargetBar.setVisibility(View.VISIBLE); |
| } |
| }); |
| ObjectAnimator fadeOutAlphaAnim = ObjectAnimator.ofFloat(mDropTargetBar, "alpha", 0f); |
| fadeOutAlphaAnim.setInterpolator(new AccelerateInterpolator()); |
| mDropTargetBarFadeOutAnim = new AnimatorSet(); |
| AnimatorSet.Builder fadeOutAnimators = mDropTargetBarFadeOutAnim.play(fadeOutAlphaAnim); |
| if (enableDropDownDropTargets) { |
| fadeOutAnimators.with(ObjectAnimator.ofFloat(mDropTargetBar, "translationY", |
| -mBarHeight)); |
| } |
| mDropTargetBarFadeOutAnim.setDuration(sTransitionOutDuration); |
| mDropTargetBarFadeOutAnim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mDropTargetBar.setVisibility(View.GONE); |
| mDropTargetBar.setLayerType(View.LAYER_TYPE_NONE, null); |
| } |
| }); |
| mQSBSearchBarFadeInAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 1f); |
| mQSBSearchBarFadeInAnim.setDuration(sTransitionInDuration); |
| mQSBSearchBarFadeInAnim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mQSBSearchBar.setVisibility(View.VISIBLE); |
| } |
| }); |
| mQSBSearchBarFadeOutAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 0f); |
| mQSBSearchBarFadeOutAnim.setDuration(sTransitionOutDuration); |
| mQSBSearchBarFadeOutAnim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mQSBSearchBar.setVisibility(View.GONE); |
| } |
| }); |
| } |
| |
| private void cancelAnimations() { |
| mDropTargetBarFadeInAnim.cancel(); |
| mDropTargetBarFadeOutAnim.cancel(); |
| mQSBSearchBarFadeInAnim.cancel(); |
| mQSBSearchBarFadeOutAnim.cancel(); |
| } |
| |
| /* |
| * Shows and hides the search bar. |
| */ |
| public void showSearchBar(boolean animated) { |
| cancelAnimations(); |
| if (animated) { |
| mQSBSearchBarFadeInAnim.start(); |
| } else { |
| mQSBSearchBar.setVisibility(View.VISIBLE); |
| mQSBSearchBar.setAlpha(1f); |
| } |
| mIsSearchBarHidden = false; |
| } |
| public void hideSearchBar(boolean animated) { |
| cancelAnimations(); |
| if (animated) { |
| mQSBSearchBarFadeOutAnim.start(); |
| } else { |
| mQSBSearchBar.setVisibility(View.GONE); |
| mQSBSearchBar.setAlpha(0f); |
| } |
| mIsSearchBarHidden = true; |
| } |
| |
| /* |
| * Gets various transition durations. |
| */ |
| public int getTransitionInDuration() { |
| return sTransitionInDuration; |
| } |
| public int getTransitionOutDuration() { |
| return sTransitionOutDuration; |
| } |
| |
| /* |
| * DragController.DragListener implementation |
| */ |
| @Override |
| public void onDragStart(DragSource source, Object info, int dragAction) { |
| // Animate out the QSB search bar, and animate in the drop target bar |
| mDropTargetBar.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| mDropTargetBar.buildLayer(); |
| mDropTargetBarFadeOutAnim.cancel(); |
| mDropTargetBarFadeInAnim.start(); |
| if (!mIsSearchBarHidden) { |
| mQSBSearchBarFadeInAnim.cancel(); |
| mQSBSearchBarFadeOutAnim.start(); |
| } |
| } |
| |
| @Override |
| public void onDragEnd() { |
| // Restore the QSB search bar, and animate out the drop target bar |
| mDropTargetBarFadeInAnim.cancel(); |
| mDropTargetBarFadeOutAnim.start(); |
| if (!mIsSearchBarHidden) { |
| mQSBSearchBarFadeOutAnim.cancel(); |
| mQSBSearchBarFadeInAnim.start(); |
| } |
| } |
| } |