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/*
* Copyright (C) 2011 Google Inc.
* Licensed to 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.dialer.list;
import android.content.Context;
import android.content.res.Resources;
import android.database.Cursor;
import android.database.DataSetObserver;
import android.graphics.Rect;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.FrameLayout;
import com.android.dialer.R;
import com.android.dialer.calllog.CallLogAdapter;
import com.android.dialer.calllog.CallLogNotificationsHelper;
import com.android.dialer.calllog.CallLogQueryHandler;
import com.android.dialer.list.SwipeHelper.OnItemGestureListener;
import com.android.dialer.list.SwipeHelper.SwipeHelperCallback;
/**
* An adapter that displays call shortcuts from {@link com.android.dialer.calllog.CallLogAdapter}
* in the form of cards.
*/
public class ShortcutCardsAdapter extends BaseAdapter {
private class CustomDataSetObserver extends DataSetObserver {
@Override
public void onChanged() {
notifyDataSetChanged();
}
}
private static final String TAG = ShortcutCardsAdapter.class.getSimpleName();
private final CallLogAdapter mCallLogAdapter;
private final ListsFragment mFragment;
private final int mCallLogPadding;
private final int mCardMaxHorizontalClip;
private final Context mContext;
private final DataSetObserver mObserver;
private final CallLogQueryHandler mCallLogQueryHandler;
private final OnItemGestureListener mCallLogOnItemSwipeListener =
new OnItemGestureListener() {
@Override
public void onSwipe(View view) {
mCallLogQueryHandler.markNewCallsAsOld();
mCallLogQueryHandler.markNewVoicemailsAsOld();
CallLogNotificationsHelper.removeMissedCallNotifications();
CallLogNotificationsHelper.updateVoicemailNotifications(mContext);
mFragment.dismissShortcut(view);
}
@Override
public void onTouch() {}
@Override
public boolean isSwipeEnabled() {
return true;
}
};
private final CallLogQueryHandler.Listener mCallLogQueryHandlerListener =
new CallLogQueryHandler.Listener() {
@Override
public void onVoicemailStatusFetched(Cursor statusCursor) {}
@Override
public void onCallsFetched(Cursor combinedCursor) {
mCallLogAdapter.invalidateCache();
mCallLogAdapter.changeCursor(combinedCursor);
mCallLogAdapter.notifyDataSetChanged();
}
};
public ShortcutCardsAdapter(Context context,
ListsFragment fragment,
CallLogAdapter callLogAdapter) {
final Resources resources = context.getResources();
mContext = context;
mFragment = fragment;
mCardMaxHorizontalClip = resources.getDimensionPixelSize(
R.dimen.recent_call_log_item_horizontal_clip_limit);
mCallLogPadding = resources.getDimensionPixelSize(R.dimen.recent_call_log_item_padding);
mCallLogAdapter = callLogAdapter;
mObserver = new CustomDataSetObserver();
mCallLogAdapter.registerDataSetObserver(mObserver);
mCallLogQueryHandler = new CallLogQueryHandler(mContext.getContentResolver(),
mCallLogQueryHandlerListener);
}
/**
* Determines the number of items in the adapter.
* mCallLogAdapter contains the item for the most recent caller.
* mContactTileAdapter contains the starred contacts.
* The +1 is to account for the presence of the favorites menu.
*
* @return Number of items in the adapter.
*/
@Override
public int getCount() {
return mCallLogAdapter.getCount();
}
@Override
public Object getItem(int position) {
return mCallLogAdapter.getItem(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public boolean hasStableIds() {
return true;
}
/**
* Determine the number of view types present.
*/
@Override
public int getViewTypeCount() {
return mCallLogAdapter.getViewTypeCount();
}
@Override
public int getItemViewType(int position) {
return mCallLogAdapter.getItemViewType(position);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final SwipeableShortcutCard wrapper;
if (convertView == null) {
wrapper = new SwipeableShortcutCard(mContext);
wrapper.setOnItemSwipeListener(mCallLogOnItemSwipeListener);
} else {
wrapper = (SwipeableShortcutCard) convertView;
}
// Special case wrapper view for the most recent call log item. This allows
// us to create a card-like effect for the more recent call log item in
// the PhoneFavoriteMergedAdapter, but keep the original look of the item in
// the CallLogAdapter.
final View view = mCallLogAdapter.getView(position, convertView == null ?
null : wrapper.getChildAt(0), parent);
wrapper.removeAllViews();
final View callLogItem = view.findViewById(R.id.call_log_list_item);
// Reset the internal call log item view if it is being recycled
callLogItem.setTranslationX(0);
callLogItem.setAlpha(1);
wrapper.addView(view);
return wrapper;
}
@Override
public boolean areAllItemsEnabled() {
return mCallLogAdapter.areAllItemsEnabled();
}
@Override
public boolean isEnabled(int position) {
return mCallLogAdapter.isEnabled(position);
}
/**
* The swipeable call log row.
*/
class SwipeableShortcutCard extends FrameLayout implements SwipeHelperCallback {
private SwipeHelper mSwipeHelper;
private OnItemGestureListener mOnItemSwipeListener;
public SwipeableShortcutCard(Context context) {
super(context);
final float densityScale = getResources().getDisplayMetrics().density;
final float pagingTouchSlop = ViewConfiguration.get(context)
.getScaledPagingTouchSlop();
mSwipeHelper = new SwipeHelper(context, SwipeHelper.X, this,
densityScale, pagingTouchSlop);
}
@Override
public void addView(View view) {
view.setBackgroundResource(R.drawable.rounded_corner_bg);
final FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT);
params.setMargins(mCallLogPadding, mCallLogPadding, mCallLogPadding, mCallLogPadding);
view.setLayoutParams(params);
view.setTranslationZ(getResources().getDimensionPixelSize(
R.dimen.recent_call_log_item_translation_z));
super.addView(view);
}
@Override
public View getChildAtPosition(MotionEvent ev) {
return getChildCount() > 0 ? getChildAt(0) : null;
}
@Override
public View getChildContentView(View v) {
return v.findViewById(R.id.call_log_list_item);
}
@Override
public void onScroll() {}
@Override
public boolean canChildBeDismissed(View v) {
return true;
}
@Override
public void onBeginDrag(View v) {
// We do this so the underlying ScrollView knows that it won't get
// the chance to intercept events anymore
requestDisallowInterceptTouchEvent(true);
}
@Override
public void onChildDismissed(View v) {
if (v != null && mOnItemSwipeListener != null) {
mOnItemSwipeListener.onSwipe(v);
}
}
@Override
public void onDragCancelled(View v) {}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (mSwipeHelper != null) {
return mSwipeHelper.onInterceptTouchEvent(ev) || super.onInterceptTouchEvent(ev);
} else {
return super.onInterceptTouchEvent(ev);
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (mSwipeHelper != null) {
return mSwipeHelper.onTouchEvent(ev) || super.onTouchEvent(ev);
} else {
return super.onTouchEvent(ev);
}
}
public void setOnItemSwipeListener(OnItemGestureListener listener) {
mOnItemSwipeListener = listener;
}
private float mPreviousTranslationZ = 0;
private Rect mClipRect = new Rect();
/**
* Clips the card by a specified amount.
*
* @param ratioHidden A float indicating how much of each edge of the card should be
* clipped. If 0, the entire card is displayed. If 0.5f, each edge is hidden
* entirely, thus obscuring the entire card.
*/
public void clipCard(float ratioHidden) {
final View viewToClip = getChildAt(0);
if (viewToClip == null) {
return;
}
int width = viewToClip.getWidth();
int height = viewToClip.getHeight();
if (ratioHidden <= 0.01f) {
viewToClip.setTranslationZ(mPreviousTranslationZ);
} else if (viewToClip.getTranslationZ() != 0){
mPreviousTranslationZ = viewToClip.getTranslationZ();
viewToClip.setTranslationZ(0);
}
if (ratioHidden > 0.5f) {
mClipRect.set(0, 0 , 0, 0);
} else {
int newLeft = (int) (ratioHidden * mCardMaxHorizontalClip);
int newRight = width - newLeft;
int newTop = (int) (ratioHidden * height);
int newBottom = (height - newTop);
mClipRect.set(newLeft, newTop, newRight, newBottom);
}
viewToClip.setClipBounds(mClipRect);
// If the view has any children, fade them out of view.
final ViewGroup viewGroup = (ViewGroup) viewToClip;
final int count = viewGroup.getChildCount();
for (int i = 0; i < count; i++) {
viewGroup.getChildAt(i).setAlpha(Math.max(0, 1 - 3 * ratioHidden));
}
}
}
}
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