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/*
* 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.launcher3;
import android.content.ComponentName;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.drawable.TransitionDrawable;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
public class InfoDropTarget extends ButtonDropTarget {
private ColorStateList mOriginalTextColor;
private TransitionDrawable mDrawable;
public InfoDropTarget(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public InfoDropTarget(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mOriginalTextColor = getTextColors();
// Get the hover color
Resources r = getResources();
mHoverColor = r.getColor(R.color.info_target_hover_tint);
mDrawable = (TransitionDrawable) getCurrentDrawable();
if (mDrawable == null) {
// TODO: investigate why this is ever happening. Presently only on one known device.
mDrawable = (TransitionDrawable) r.getDrawable(R.drawable.info_target_selector);
setCompoundDrawablesRelativeWithIntrinsicBounds(mDrawable, null, null, null);
}
if (null != mDrawable) {
mDrawable.setCrossFadeEnabled(true);
}
// Remove the text in the Phone UI in landscape
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
if (!LauncherAppState.getInstance().isScreenLarge()) {
setText("");
}
}
}
@Override
public boolean acceptDrop(DragObject d) {
// acceptDrop is called just before onDrop. We do the work here, rather than
// in onDrop, because it allows us to reject the drop (by returning false)
// so that the object being dragged isn't removed from the drag source.
ComponentName componentName = null;
if (d.dragInfo instanceof AppInfo) {
componentName = ((AppInfo) d.dragInfo).componentName;
} else if (d.dragInfo instanceof ShortcutInfo) {
componentName = ((ShortcutInfo) d.dragInfo).intent.getComponent();
} else if (d.dragInfo instanceof PendingAddItemInfo) {
componentName = ((PendingAddItemInfo) d.dragInfo).componentName;
}
if (componentName != null) {
mLauncher.startApplicationDetailsActivity(componentName);
}
// There is no post-drop animation, so clean up the DragView now
d.deferDragViewCleanupPostAnimation = false;
return false;
}
@Override
public void onDragStart(DragSource source, Object info, int dragAction) {
boolean isVisible = true;
// Hide this button unless we are dragging something from AllApps
if (!source.supportsAppInfoDropTarget()) {
isVisible = false;
}
mActive = isVisible;
mDrawable.resetTransition();
setTextColor(mOriginalTextColor);
((ViewGroup) getParent()).setVisibility(isVisible ? View.VISIBLE : View.GONE);
}
@Override
public void onDragEnd() {
super.onDragEnd();
mActive = false;
}
public void onDragEnter(DragObject d) {
super.onDragEnter(d);
mDrawable.startTransition(mTransitionDuration);
setTextColor(mHoverColor);
}
public void onDragExit(DragObject d) {
super.onDragExit(d);
if (!d.dragComplete) {
mDrawable.resetTransition();
setTextColor(mOriginalTextColor);
}
}
}
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