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/*
* Copyright (C) 2015 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.messaging.ui.mediapicker;
import android.content.Context;
import android.database.Cursor;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.TouchDelegate;
import android.view.View;
import android.widget.CheckBox;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.android.messaging.R;
import com.android.messaging.datamodel.DataModel;
import com.android.messaging.datamodel.data.GalleryGridItemData;
import com.android.messaging.ui.AsyncImageView;
import com.android.messaging.ui.ConversationDrawables;
import com.android.messaging.util.ContentType;
import com.google.common.annotations.VisibleForTesting;
import java.util.concurrent.TimeUnit;
/**
* Shows an item in the gallery picker grid view. Hosts an FileImageView with a checkbox.
*/
public class GalleryGridItemView extends FrameLayout {
/**
* Implemented by the owner of this GalleryGridItemView instance to communicate on media
* picking and selection events.
*/
public interface HostInterface {
void onItemClicked(View view, GalleryGridItemData data, boolean longClick);
boolean isItemSelected(GalleryGridItemData data);
boolean isMultiSelectEnabled();
}
@VisibleForTesting
GalleryGridItemData mData;
private AsyncImageView mImageView;
private CheckBox mCheckBox;
private RelativeLayout mAdditionalInfo;
private ImageView mIcon;
private LinearLayout mFileInfo;
private TextView mFileName;
private TextView mFileType;
private HostInterface mHostInterface;
private final OnClickListener mOnClickListener = new OnClickListener() {
@Override
public void onClick(final View v) {
mHostInterface.onItemClicked(GalleryGridItemView.this, mData, false /*longClick*/);
}
};
public GalleryGridItemView(final Context context, final AttributeSet attrs) {
super(context, attrs);
mData = DataModel.get().createGalleryGridItemData();
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mImageView = (AsyncImageView) findViewById(R.id.thumbnail);
mCheckBox = (CheckBox) findViewById(R.id.checkbox);
mCheckBox.setOnClickListener(mOnClickListener);
mAdditionalInfo = (RelativeLayout) findViewById(R.id.additional_info);
mIcon = (ImageView) findViewById(R.id.icon);
mFileInfo = (LinearLayout) findViewById(R.id.file_info);
mFileName = (TextView) findViewById(R.id.file_name);
mFileType = (TextView) findViewById(R.id.file_type);
setOnClickListener(mOnClickListener);
final OnLongClickListener longClickListener = new OnLongClickListener() {
@Override
public boolean onLongClick(final View v) {
mHostInterface.onItemClicked(v, mData, true /* longClick */);
return true;
}
};
setOnLongClickListener(longClickListener);
mCheckBox.setOnLongClickListener(longClickListener);
addOnLayoutChangeListener(new OnLayoutChangeListener() {
@Override
public void onLayoutChange(View v, int left, int top, int right, int bottom,
int oldLeft, int oldTop, int oldRight, int oldBottom) {
// Enlarge the clickable region for the checkbox to fill the entire view.
final Rect region = new Rect(0, 0, getWidth(), getHeight());
setTouchDelegate(new TouchDelegate(region, mCheckBox) {
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
setPressed(true);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
setPressed(false);
break;
}
return super.onTouchEvent(event);
}
});
}
});
}
@Override
protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
// The grid view auto-fit the columns, so we want to let the height match the width
// to make the image square.
super.onMeasure(widthMeasureSpec, widthMeasureSpec);
}
public void bind(final Cursor cursor, final HostInterface hostInterface) {
final int desiredSize = getResources()
.getDimensionPixelSize(R.dimen.gallery_image_cell_size);
mData.bind(cursor, desiredSize, desiredSize);
mHostInterface = hostInterface;
updateViewState();
}
private void updateViewState() {
updateImageView();
if (mHostInterface.isMultiSelectEnabled() && !mData.isDocumentPickerItem()) {
mCheckBox.setVisibility(VISIBLE);
mCheckBox.setClickable(true);
mCheckBox.setChecked(mHostInterface.isItemSelected(mData));
} else {
mCheckBox.setVisibility(GONE);
mCheckBox.setClickable(false);
}
}
private void updateImageView() {
if (mData.isDocumentPickerItem()) {
setBackgroundColor(ConversationDrawables.get().getConversationThemeColor());
mIcon.setImageResource(R.drawable.ic_photo_library_light);
mIcon.clearColorFilter();
mImageView.setVisibility(GONE);
mIcon.setVisibility(VISIBLE);
mFileInfo.setVisibility(GONE);
mAdditionalInfo.setVisibility(VISIBLE);
} else {
final String contentType = mData.getContentType();
if (ContentType.isAudioType(contentType)) {
final Context context = getContext();
setBackgroundColor(
getResources().getColor(R.color.gallery_image_default_background));
mIcon.setImageDrawable(
context.getContentResolver()
.getTypeInfo(contentType)
.getIcon()
.loadDrawable(context));
mIcon.setColorFilter(
ConversationDrawables.get().getConversationThemeColor(),
PorterDuff.Mode.SRC_IN);
mFileName.setText(mData.getFileName());
String[] type = contentType.split("/");
mFileType.setText(type[1].toUpperCase() + " " + type[0]);
mImageView.setVisibility(GONE);
mIcon.setVisibility(VISIBLE);
mFileInfo.setVisibility(VISIBLE);
mAdditionalInfo.setVisibility(VISIBLE);
} else { // For image and video types
mImageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
setBackgroundColor(
getResources().getColor(R.color.gallery_image_default_background));
mImageView.setImageResourceId(mData.getImageRequestDescriptor());
mImageView.setVisibility(VISIBLE);
if (ContentType.isVideoType(mData.getContentType())) {
mIcon.setImageResource(R.drawable.ic_video_play_light);
mIcon.clearColorFilter();
mIcon.setVisibility(VISIBLE);
} else {
mIcon.setVisibility(GONE);
}
mFileInfo.setVisibility(GONE);
mAdditionalInfo.setVisibility(VISIBLE);
final long dateSeconds = mData.getDateSeconds();
final boolean isValidDate = (dateSeconds > 0);
final int templateId = isValidDate ?
R.string.mediapicker_gallery_image_item_description :
R.string.mediapicker_gallery_image_item_description_no_date;
String contentDescription = String.format(getResources().getString(templateId),
dateSeconds * TimeUnit.SECONDS.toMillis(1));
mImageView.setContentDescription(contentDescription);
}
}
}
}
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