| /* |
| * Copyright (C) 2018 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.documentsui.dirlist; |
| |
| import static com.android.documentsui.base.DocumentInfo.getCursorInt; |
| import static com.android.documentsui.base.DocumentInfo.getCursorLong; |
| import static com.android.documentsui.base.DocumentInfo.getCursorString; |
| |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.provider.DocumentsContract.Document; |
| import android.text.format.Formatter; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| |
| import com.android.documentsui.R; |
| import com.android.documentsui.base.DocumentInfo; |
| import com.android.documentsui.base.Shared; |
| import com.android.documentsui.base.UserId; |
| import com.android.documentsui.roots.RootCursorWrapper; |
| import com.android.documentsui.ui.Views; |
| |
| import java.util.function.Function; |
| |
| final class GridPhotoHolder extends DocumentHolder { |
| |
| private final ImageView mIconMimeLg; |
| private final ImageView mIconThumb; |
| private final ImageView mIconCheck; |
| private final IconHelper mIconHelper; |
| private final View mPreviewIcon; |
| private final View mIconBriefcase; |
| |
| // This is used in as a convenience in our bind method. |
| private final DocumentInfo mDoc = new DocumentInfo(); |
| |
| public GridPhotoHolder(Context context, ViewGroup parent, IconHelper iconHelper) { |
| super(context, parent, R.layout.item_photo_grid); |
| |
| mIconMimeLg = (ImageView) itemView.findViewById(R.id.icon_mime_lg); |
| mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb); |
| mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check); |
| mIconBriefcase = itemView.findViewById(R.id.icon_briefcase); |
| mPreviewIcon = itemView.findViewById(R.id.preview_icon); |
| |
| mIconHelper = iconHelper; |
| } |
| |
| @Override |
| public void setSelected(boolean selected, boolean animate) { |
| // We always want to make sure our check box disappears if we're not selected, |
| // even if the item is disabled. This is because this object can be reused |
| // and this method will be called to setup initial state. |
| float checkAlpha = selected ? 1f : 0f; |
| if (animate) { |
| fade(mIconCheck, checkAlpha).start(); |
| } else { |
| mIconCheck.setAlpha(checkAlpha); |
| } |
| |
| // But it should be an error to be set to selected && be disabled. |
| if (!itemView.isEnabled()) { |
| assert (!selected); |
| return; |
| } |
| |
| super.setSelected(selected, animate); |
| } |
| |
| @Override |
| public void setEnabled(boolean enabled) { |
| super.setEnabled(enabled); |
| |
| float imgAlpha = enabled ? 1f : DISABLED_ALPHA; |
| |
| mIconMimeLg.setAlpha(imgAlpha); |
| mIconThumb.setAlpha(imgAlpha); |
| } |
| |
| @Override |
| public void bindPreviewIcon(boolean show, Function<View, Boolean> clickCallback) { |
| mPreviewIcon.setVisibility(show ? View.VISIBLE : View.GONE); |
| if (show) { |
| mPreviewIcon.setContentDescription( |
| itemView.getResources().getString(R.string.preview_file, mDoc.displayName)); |
| mPreviewIcon.setAccessibilityDelegate(new PreviewAccessibilityDelegate(clickCallback)); |
| } |
| } |
| |
| @Override |
| public void bindBriefcaseIcon(boolean show) { |
| mIconBriefcase.setVisibility(show ? View.VISIBLE : View.GONE); |
| } |
| |
| @Override |
| public boolean inDragRegion(MotionEvent event) { |
| // Entire grid box should be draggable |
| return true; |
| } |
| |
| @Override |
| public boolean inSelectRegion(MotionEvent event) { |
| // Photo gird should not have any select region. |
| return false; |
| } |
| |
| @Override |
| public boolean inPreviewIconRegion(MotionEvent event) { |
| return Views.isEventOver(event, mPreviewIcon); |
| } |
| |
| /** |
| * Bind this view to the given document for display. |
| * @param cursor Pointing to the item to be bound. |
| * @param modelId The model ID of the item. |
| */ |
| @Override |
| public void bind(Cursor cursor, String modelId) { |
| assert (cursor != null); |
| |
| mModelId = modelId; |
| |
| mDoc.updateFromCursor(cursor, |
| UserId.of(getCursorInt(cursor, RootCursorWrapper.COLUMN_USER_ID)), |
| getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY)); |
| |
| mIconHelper.stopLoading(mIconThumb); |
| |
| mIconMimeLg.animate().cancel(); |
| mIconMimeLg.setAlpha(1f); |
| mIconThumb.animate().cancel(); |
| mIconThumb.setAlpha(0f); |
| |
| mIconHelper.load(mDoc, mIconThumb, mIconMimeLg, null); |
| |
| final String docSize = |
| Formatter.formatFileSize(mContext, getCursorLong(cursor, Document.COLUMN_SIZE)); |
| final String docDate = Shared.formatTime(mContext, mDoc.lastModified); |
| itemView.setContentDescription(mDoc.displayName + ", " + docSize + ", " + docDate); |
| } |
| } |