src/com/android/documentsui/dirlist/ListDocumentHolder.java - platform/packages/apps/DocumentsUI - Git at Google

 /*
  * 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.documentsui.dirlist;

 import static com.android.documentsui.DevicePolicyResources.Drawables.Style.SOLID_COLORED;
 import static com.android.documentsui.DevicePolicyResources.Drawables.WORK_PROFILE_ICON;
 import static com.android.documentsui.base.DocumentInfo.getCursorInt;
 import static com.android.documentsui.base.DocumentInfo.getCursorString;

 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.database.Cursor;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;

 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;

 import com.android.documentsui.R;
 import com.android.documentsui.base.DocumentInfo;
 import com.android.documentsui.base.Lookup;
 import com.android.documentsui.base.Shared;
 import com.android.documentsui.base.State;
 import com.android.documentsui.base.UserId;
 import com.android.documentsui.roots.RootCursorWrapper;
 import com.android.documentsui.ui.Views;
 import com.android.modules.utils.build.SdkLevel;

 import java.util.ArrayList;
 import java.util.function.Function;

 final class ListDocumentHolder extends DocumentHolder {
     private static final String TAG = "ListDocumentHolder";

     private final TextView mTitle;
     private final @Nullable TextView mDate; // Non-null for tablets/sw720dp, null for other devices.
     private final @Nullable TextView mSize; // Non-null for tablets/sw720dp, null for other devices.
     private final @Nullable TextView mType; // Non-null for tablets/sw720dp, null for other devices.
     // Container for date + size + summary, null only for tablets/sw720dp
     private final @Nullable LinearLayout mDetails;
     // TextView for date + size + summary, null only for tablets/sw720dp
     private final @Nullable TextView mMetadataView;
     private final ImageView mIconMime;
     private final ImageView mIconThumb;
     private final ImageView mIconCheck;
     private final ImageView mIconBriefcase;
     private final View mIconLayout;
     final View mPreviewIcon;

     private final IconHelper mIconHelper;
     private final Lookup<String, String> mFileTypeLookup;
     // This is used in as a convenience in our bind method.
     private final DocumentInfo mDoc;

     public ListDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper,
             Lookup<String, String> fileTypeLookup) {
         super(context, parent, R.layout.item_doc_list);

         mIconLayout = itemView.findViewById(R.id.icon);
         mIconMime = (ImageView) itemView.findViewById(R.id.icon_mime);
         mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
         mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
         mIconBriefcase = (ImageView) itemView.findViewById(R.id.icon_briefcase);
         mTitle = (TextView) itemView.findViewById(android.R.id.title);
         mSize = (TextView) itemView.findViewById(R.id.size);
         mDate = (TextView) itemView.findViewById(R.id.date);
         mType = (TextView) itemView.findViewById(R.id.file_type);
         mMetadataView = (TextView) itemView.findViewById(R.id.metadata);
         // Warning: mDetails view doesn't exists in layout-sw720dp-land layout
         mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
         mPreviewIcon = itemView.findViewById(R.id.preview_icon);

         mIconHelper = iconHelper;
         mFileTypeLookup = fileTypeLookup;
         mDoc = new DocumentInfo();

         if (SdkLevel.isAtLeastT()) {
             setUpdatableWorkProfileIcon(context);
         }
     }

     @RequiresApi(Build.VERSION_CODES.TIRAMISU)
     private void setUpdatableWorkProfileIcon(Context context) {
         DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
         Drawable drawable = dpm.getResources().getDrawable(WORK_PROFILE_ICON, SOLID_COLORED, () ->
                 context.getDrawable(R.drawable.ic_briefcase));
         mIconBriefcase.setImageDrawable(drawable);
     }

     @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. But it should be an error (see assert below)
         // to be set to selected && be disabled.
         float checkAlpha = selected ? 1f : 0f;
         if (animate) {
             fade(mIconCheck, checkAlpha).start();
         } else {
             mIconCheck.setAlpha(checkAlpha);
         }

         if (!itemView.isEnabled()) {
             assert (!selected);
         }

         super.setSelected(selected, animate);

         if (animate) {
             fade(mIconMime, 1f - checkAlpha).start();
             fade(mIconThumb, 1f - checkAlpha).start();
         } else {
             mIconMime.setAlpha(1f - checkAlpha);
             mIconThumb.setAlpha(1f - checkAlpha);
         }
     }

     @Override
     public void setEnabled(boolean enabled) {
         super.setEnabled(enabled);

         // Text colors enabled/disabled is handle via a color set.
         final float imgAlpha = enabled ? 1f : DISABLED_ALPHA;
         mIconMime.setAlpha(imgAlpha);
         mIconThumb.setAlpha(imgAlpha);
     }

     @Override
     public void bindPreviewIcon(boolean show, Function<View, Boolean> clickCallback) {
         if (mDoc.isDirectory()) {
             mPreviewIcon.setVisibility(View.GONE);
         } else {
             mPreviewIcon.setVisibility(show ? View.VISIBLE : View.GONE);
             if (show) {
                 mPreviewIcon.setContentDescription(
                         getPreviewIconContentDescription(
                                 mIconHelper.shouldShowBadge(mDoc.userId.getIdentifier()),
                                 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) {
         // If itemView is activated = selected, then whole region is interactive
         if (itemView.isActivated()) {
             return true;
         }

         // Do everything in global coordinates - it makes things simpler.
         int[] coords = new int[2];
         mIconLayout.getLocationOnScreen(coords);

         Rect textBounds = new Rect();
         mTitle.getPaint().getTextBounds(
                 mTitle.getText().toString(), 0, mTitle.getText().length(), textBounds);

         Rect rect = new Rect(
                 coords[0],
                 coords[1],
                 coords[0] + mIconLayout.getWidth() + textBounds.width(),
                 coords[1] + Math.max(mIconLayout.getHeight(), textBounds.height()));

         // If the tap occurred inside icon or the text, these are interactive spots.
         return rect.contains((int) event.getRawX(), (int) event.getRawY());
     }

     @Override
     public boolean inSelectRegion(MotionEvent event) {
         return (mDoc.isDirectory() && !(mAction == State.ACTION_BROWSE)) ?
                 false : Views.isEventOver(event, itemView.getParent(), mIconLayout);
     }

     @Override
     public boolean inPreviewIconRegion(MotionEvent event) {
         return Views.isEventOver(event, itemView.getParent(), 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);

         mIconMime.animate().cancel();
         mIconMime.setAlpha(1f);
         mIconThumb.animate().cancel();
         mIconThumb.setAlpha(0f);

         mIconHelper.load(mDoc, mIconThumb, mIconMime, null);

         mTitle.setText(mDoc.displayName, TextView.BufferType.SPANNABLE);
         mTitle.setVisibility(View.VISIBLE);

         if (mDoc.isDirectory()) {
             // Note, we don't show any details for any directory...ever.
             if (mDetails != null) {
                 // Non-tablets
                 mDetails.setVisibility(View.GONE);
             }
         } else {
             // For tablets metadata is provided in columns mDate, mSize, mType.
             // For other devices mMetadataView consolidates the metadata info.
             if (mMetadataView != null) {
                 // Non-tablets
                 boolean hasDetails = false;
                 ArrayList<String> metadataList = new ArrayList<>();
                 if (mDoc.lastModified > 0) {
                     hasDetails = true;
                     metadataList.add(Shared.formatTime(mContext, mDoc.lastModified));
                 }
                 if (mDoc.size > -1) {
                     hasDetails = true;
                     metadataList.add(Formatter.formatFileSize(mContext, mDoc.size));
                 }
                 metadataList.add(mFileTypeLookup.lookup(mDoc.mimeType));
                 mMetadataView.setText(TextUtils.join(", ", metadataList));
                 if (mDetails != null) {
                     mDetails.setVisibility(hasDetails ? View.VISIBLE : View.GONE);
                 } else {
                     Log.w(TAG, "mDetails is unexpectedly null for non-tablet devices!");
                 }
             } else {
                 // Tablets
                 if (mDoc.lastModified > 0) {
                     mDate.setVisibility(View.VISIBLE);
                     mDate.setText(Shared.formatTime(mContext, mDoc.lastModified));
                 } else {
                     mDate.setVisibility(View.INVISIBLE);
                 }
                 if (mDoc.size > -1) {
                     mSize.setVisibility(View.VISIBLE);
                     mSize.setText(Formatter.formatFileSize(mContext, mDoc.size));
                 } else {
                     mSize.setVisibility(View.INVISIBLE);
                 }
                 mType.setText(mFileTypeLookup.lookup(mDoc.mimeType));
             }
         }

         // TODO: Add document debug info
         // Call includeDebugInfo
     }
 }
	/*
	* 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.documentsui.dirlist;

	import static com.android.documentsui.DevicePolicyResources.Drawables.Style.SOLID_COLORED;
	import static com.android.documentsui.DevicePolicyResources.Drawables.WORK_PROFILE_ICON;
	import static com.android.documentsui.base.DocumentInfo.getCursorInt;
	import static com.android.documentsui.base.DocumentInfo.getCursorString;

	import android.app.admin.DevicePolicyManager;
	import android.content.Context;
	import android.database.Cursor;
	import android.graphics.Rect;
	import android.graphics.drawable.Drawable;
	import android.os.Build;
	import android.text.TextUtils;
	import android.text.format.Formatter;
	import android.util.Log;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ImageView;
	import android.widget.LinearLayout;
	import android.widget.TextView;

	import androidx.annotation.Nullable;
	import androidx.annotation.RequiresApi;

	import com.android.documentsui.R;
	import com.android.documentsui.base.DocumentInfo;
	import com.android.documentsui.base.Lookup;
	import com.android.documentsui.base.Shared;
	import com.android.documentsui.base.State;
	import com.android.documentsui.base.UserId;
	import com.android.documentsui.roots.RootCursorWrapper;
	import com.android.documentsui.ui.Views;
	import com.android.modules.utils.build.SdkLevel;

	import java.util.ArrayList;
	import java.util.function.Function;

	final class ListDocumentHolder extends DocumentHolder {
	private static final String TAG = "ListDocumentHolder";

	private final TextView mTitle;
	private final @Nullable TextView mDate; // Non-null for tablets/sw720dp, null for other devices.
	private final @Nullable TextView mSize; // Non-null for tablets/sw720dp, null for other devices.
	private final @Nullable TextView mType; // Non-null for tablets/sw720dp, null for other devices.
	// Container for date + size + summary, null only for tablets/sw720dp
	private final @Nullable LinearLayout mDetails;
	// TextView for date + size + summary, null only for tablets/sw720dp
	private final @Nullable TextView mMetadataView;
	private final ImageView mIconMime;
	private final ImageView mIconThumb;
	private final ImageView mIconCheck;
	private final ImageView mIconBriefcase;
	private final View mIconLayout;
	final View mPreviewIcon;

	private final IconHelper mIconHelper;
	private final Lookup<String, String> mFileTypeLookup;
	// This is used in as a convenience in our bind method.
	private final DocumentInfo mDoc;

	public ListDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper,
	Lookup<String, String> fileTypeLookup) {
	super(context, parent, R.layout.item_doc_list);

	mIconLayout = itemView.findViewById(R.id.icon);
	mIconMime = (ImageView) itemView.findViewById(R.id.icon_mime);
	mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
	mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
	mIconBriefcase = (ImageView) itemView.findViewById(R.id.icon_briefcase);
	mTitle = (TextView) itemView.findViewById(android.R.id.title);
	mSize = (TextView) itemView.findViewById(R.id.size);
	mDate = (TextView) itemView.findViewById(R.id.date);
	mType = (TextView) itemView.findViewById(R.id.file_type);
	mMetadataView = (TextView) itemView.findViewById(R.id.metadata);
	// Warning: mDetails view doesn't exists in layout-sw720dp-land layout
	mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
	mPreviewIcon = itemView.findViewById(R.id.preview_icon);

	mIconHelper = iconHelper;
	mFileTypeLookup = fileTypeLookup;
	mDoc = new DocumentInfo();

	if (SdkLevel.isAtLeastT()) {
	setUpdatableWorkProfileIcon(context);
	}
	}

	@RequiresApi(Build.VERSION_CODES.TIRAMISU)
	private void setUpdatableWorkProfileIcon(Context context) {
	DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
	Drawable drawable = dpm.getResources().getDrawable(WORK_PROFILE_ICON, SOLID_COLORED, () ->
	context.getDrawable(R.drawable.ic_briefcase));
	mIconBriefcase.setImageDrawable(drawable);
	}

	@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. But it should be an error (see assert below)
	// to be set to selected && be disabled.
	float checkAlpha = selected ? 1f : 0f;
	if (animate) {
	fade(mIconCheck, checkAlpha).start();
	} else {
	mIconCheck.setAlpha(checkAlpha);
	}

	if (!itemView.isEnabled()) {
	assert (!selected);
	}

	super.setSelected(selected, animate);

	if (animate) {
	fade(mIconMime, 1f - checkAlpha).start();
	fade(mIconThumb, 1f - checkAlpha).start();
	} else {
	mIconMime.setAlpha(1f - checkAlpha);
	mIconThumb.setAlpha(1f - checkAlpha);
	}
	}

	@Override
	public void setEnabled(boolean enabled) {
	super.setEnabled(enabled);

	// Text colors enabled/disabled is handle via a color set.
	final float imgAlpha = enabled ? 1f : DISABLED_ALPHA;
	mIconMime.setAlpha(imgAlpha);
	mIconThumb.setAlpha(imgAlpha);
	}

	@Override
	public void bindPreviewIcon(boolean show, Function<View, Boolean> clickCallback) {
	if (mDoc.isDirectory()) {
	mPreviewIcon.setVisibility(View.GONE);
	} else {
	mPreviewIcon.setVisibility(show ? View.VISIBLE : View.GONE);
	if (show) {
	mPreviewIcon.setContentDescription(
	getPreviewIconContentDescription(
	mIconHelper.shouldShowBadge(mDoc.userId.getIdentifier()),
	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) {
	// If itemView is activated = selected, then whole region is interactive
	if (itemView.isActivated()) {
	return true;
	}

	// Do everything in global coordinates - it makes things simpler.
	int[] coords = new int[2];
	mIconLayout.getLocationOnScreen(coords);

	Rect textBounds = new Rect();
	mTitle.getPaint().getTextBounds(
	mTitle.getText().toString(), 0, mTitle.getText().length(), textBounds);

	Rect rect = new Rect(
	coords[0],
	coords[1],
	coords[0] + mIconLayout.getWidth() + textBounds.width(),
	coords[1] + Math.max(mIconLayout.getHeight(), textBounds.height()));

	// If the tap occurred inside icon or the text, these are interactive spots.
	return rect.contains((int) event.getRawX(), (int) event.getRawY());
	}

	@Override
	public boolean inSelectRegion(MotionEvent event) {
	return (mDoc.isDirectory() && !(mAction == State.ACTION_BROWSE)) ?
	false : Views.isEventOver(event, itemView.getParent(), mIconLayout);
	}

	@Override
	public boolean inPreviewIconRegion(MotionEvent event) {
	return Views.isEventOver(event, itemView.getParent(), 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);

	mIconMime.animate().cancel();
	mIconMime.setAlpha(1f);
	mIconThumb.animate().cancel();
	mIconThumb.setAlpha(0f);

	mIconHelper.load(mDoc, mIconThumb, mIconMime, null);

	mTitle.setText(mDoc.displayName, TextView.BufferType.SPANNABLE);
	mTitle.setVisibility(View.VISIBLE);

	if (mDoc.isDirectory()) {
	// Note, we don't show any details for any directory...ever.
	if (mDetails != null) {
	// Non-tablets
	mDetails.setVisibility(View.GONE);
	}
	} else {
	// For tablets metadata is provided in columns mDate, mSize, mType.
	// For other devices mMetadataView consolidates the metadata info.
	if (mMetadataView != null) {
	// Non-tablets
	boolean hasDetails = false;
	ArrayList<String> metadataList = new ArrayList<>();
	if (mDoc.lastModified > 0) {
	hasDetails = true;
	metadataList.add(Shared.formatTime(mContext, mDoc.lastModified));
	}
	if (mDoc.size > -1) {
	hasDetails = true;
	metadataList.add(Formatter.formatFileSize(mContext, mDoc.size));
	}
	metadataList.add(mFileTypeLookup.lookup(mDoc.mimeType));
	mMetadataView.setText(TextUtils.join(", ", metadataList));
	if (mDetails != null) {
	mDetails.setVisibility(hasDetails ? View.VISIBLE : View.GONE);
	} else {
	Log.w(TAG, "mDetails is unexpectedly null for non-tablet devices!");
	}
	} else {
	// Tablets
	if (mDoc.lastModified > 0) {
	mDate.setVisibility(View.VISIBLE);
	mDate.setText(Shared.formatTime(mContext, mDoc.lastModified));
	} else {
	mDate.setVisibility(View.INVISIBLE);
	}
	if (mDoc.size > -1) {
	mSize.setVisibility(View.VISIBLE);
	mSize.setText(Formatter.formatFileSize(mContext, mDoc.size));
	} else {
	mSize.setVisibility(View.INVISIBLE);
	}
	mType.setText(mFileTypeLookup.lookup(mDoc.mimeType));
	}
	}

	// TODO: Add document debug info
	// Call includeDebugInfo
	}
	}