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platform_packages_apps_Launcher3
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Merge "Use drawable states for list positions instead of swapping drawables" into sc-dev

This commit is contained in:
Stevie Kideckel 2021-06-16 09:34:21 +00:00 committed by Android (Google) Code Review
parent e00d88e32a 803927bdae
commit 358411a96a
15 changed files with 292 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
res/layout/widgets_table_container.xml
View File

@ -13,7 +13,7 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
<TableLayout
<com.android.launcher3.widget.picker.WidgetsListTableView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/widgets_table"
android:layout_width="match_parent"

1
res/values/dimens.xml
View File

@ -140,7 +140,6 @@
<dimen name="widget_list_top_bottom_corner_radius">28dp</dimen>
<dimen name="widget_list_content_corner_radius">4dp</dimen>
<dimen name="widget_list_content_joined_corner_radius">0dp</dimen>
<dimen name="widget_list_header_view_vertical_padding">20dp</dimen>
<dimen name="widget_list_entry_bottom_margin">2dp</dimen>

5
robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinderTest.java
View File

@ -107,7 +107,10 @@ public final class WidgetsListHeaderViewHolderBinderTest {
/* iconClickListener= */ view -> {},
/* iconLongClickListener= */ view -> false);
mViewHolderBinder = new WidgetsListHeaderViewHolderBinder(
LayoutInflater.from(mTestActivity), mOnHeaderClickListener, widgetsListAdapter);
LayoutInflater.from(mTestActivity),
mOnHeaderClickListener,
new WidgetsListDrawableFactory(mTestActivity),
widgetsListAdapter);
}
@After

5
robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinderTest.java
View File

@ -107,7 +107,10 @@ public final class WidgetsListSearchHeaderViewHolderBinderTest {
/* iconClickListener= */ view -> {},
/* iconLongClickListener= */ view -> false);
mViewHolderBinder = new WidgetsListSearchHeaderViewHolderBinder(
LayoutInflater.from(mTestActivity), mOnHeaderClickListener, widgetsListAdapter);
LayoutInflater.from(mTestActivity),
mOnHeaderClickListener,
new WidgetsListDrawableFactory(mTestActivity),
widgetsListAdapter);
}
@After

1
robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinderTest.java
View File

@ -118,6 +118,7 @@ public final class WidgetsListTableViewHolderBinderTest {
mOnIconClickListener,
mOnLongClickListener,
mWidgetPreviewLoader,
new WidgetsListDrawableFactory(mTestActivity),
widgetsListAdapter);
}

13
src/com/android/launcher3/widget/picker/WidgetsListAdapter.java
View File

@ -103,18 +103,25 @@ public class WidgetsListAdapter extends Adapter<ViewHolder> implements OnHeaderC
OnClickListener iconClickListener, OnLongClickListener iconLongClickListener) {
mLauncher = Launcher.getLauncher(context);
mDiffReporter = new WidgetsDiffReporter(iconCache, this);
WidgetsListDrawableFactory listDrawableFactory = new WidgetsListDrawableFactory(context);
mWidgetsListTableViewHolderBinder = new WidgetsListTableViewHolderBinder(context,
layoutInflater, iconClickListener, iconLongClickListener,
widgetPreviewLoader, /* listAdapter= */ this);
widgetPreviewLoader, listDrawableFactory, /* listAdapter= */ this);
mViewHolderBinders.put(VIEW_TYPE_WIDGETS_LIST, mWidgetsListTableViewHolderBinder);
mViewHolderBinders.put(
VIEW_TYPE_WIDGETS_HEADER,
new WidgetsListHeaderViewHolderBinder(
layoutInflater, /* onHeaderClickListener= */this, /* listAdapter= */ this));
layoutInflater,
/* onHeaderClickListener= */ this,
listDrawableFactory,
/* listAdapter= */ this));
mViewHolderBinders.put(
VIEW_TYPE_WIDGETS_SEARCH_HEADER,
new WidgetsListSearchHeaderViewHolderBinder(
layoutInflater, /*onHeaderClickListener=*/ this, /* listAdapter= */ this));
layoutInflater,
/* onHeaderClickListener= */ this,
listDrawableFactory,
/* listAdapter= */ this));
}
@Override

113
src/com/android/launcher3/widget/picker/WidgetsListDrawableFactory.java Normal file
View File

@ -0,0 +1,113 @@
/*
* Copyright (C) 2021 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.widget.picker;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.FIRST;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.FIRST_EXPANDED;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.LAST;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.MIDDLE;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.MIDDLE_EXPANDED;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.SINGLE;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.RippleDrawable;
import android.graphics.drawable.StateListDrawable;
import com.android.launcher3.R;
import com.android.launcher3.util.Themes;
/** Factory for creating drawables to use as background for list elements. */
final class WidgetsListDrawableFactory {
private final float mTopBottomCornerRadius;
private final float mMiddleCornerRadius;
private final ColorStateList mSurfaceColor;
private final ColorStateList mRippleColor;
WidgetsListDrawableFactory(Context context) {
Resources res = context.getResources();
mTopBottomCornerRadius = res.getDimension(R.dimen.widget_list_top_bottom_corner_radius);
mMiddleCornerRadius = res.getDimension(R.dimen.widget_list_content_corner_radius);
mSurfaceColor = context.getColorStateList(R.color.surface);
mRippleColor = ColorStateList.valueOf(
Themes.getAttrColor(context, android.R.attr.colorControlHighlight));
}
/**
* Creates a drawable for widget header list items. This drawable supports all positions
* in {@link WidgetsListDrawableState}.
*/
Drawable createHeaderBackgroundDrawable() {
StateListDrawable stateList = new StateListDrawable();
stateList.addState(
SINGLE.mStateSet,
createRoundedRectDrawable(mTopBottomCornerRadius, mTopBottomCornerRadius));
stateList.addState(
FIRST_EXPANDED.mStateSet,
createRoundedRectDrawable(mTopBottomCornerRadius, 0));
stateList.addState(
FIRST.mStateSet,
createRoundedRectDrawable(mTopBottomCornerRadius, mMiddleCornerRadius));
stateList.addState(
MIDDLE_EXPANDED.mStateSet,
createRoundedRectDrawable(mMiddleCornerRadius, 0));
stateList.addState(
MIDDLE.mStateSet,
createRoundedRectDrawable(mMiddleCornerRadius, mMiddleCornerRadius));
stateList.addState(
LAST.mStateSet,
createRoundedRectDrawable(mMiddleCornerRadius, mTopBottomCornerRadius));
return new RippleDrawable(mRippleColor, /* content= */ stateList, /* mask= */ stateList);
}
/**
* Creates a drawable for widget content list items. This state list supports the middle and
* last states.
*/
Drawable createContentBackgroundDrawable() {
StateListDrawable stateList = new StateListDrawable();
stateList.addState(
MIDDLE.mStateSet,
createRoundedRectDrawable(0, mMiddleCornerRadius));
stateList.addState(
LAST.mStateSet,
createRoundedRectDrawable(0, mTopBottomCornerRadius));
return new RippleDrawable(mRippleColor, /* content= */ stateList, /* mask= */ stateList);
}
/** Creates a rounded-rect drawable with the specified radii. */
private Drawable createRoundedRectDrawable(float topRadius, float bottomRadius) {
GradientDrawable backgroundMask = new GradientDrawable();
backgroundMask.setColor(mSurfaceColor);
backgroundMask.setShape(GradientDrawable.RECTANGLE);
backgroundMask.setCornerRadii(
new float[]{
topRadius,
topRadius,
topRadius,
topRadius,
bottomRadius,
bottomRadius,
bottomRadius,
bottomRadius
});
return backgroundMask;
}
}

44
src/com/android/launcher3/widget/picker/WidgetsListDrawableState.java Normal file
View File

@ -0,0 +1,44 @@
/*
* Copyright (C) 2021 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.widget.picker;
/**
* Different possible list position states for an item in the widgets list to have. Note that only
* headers use the expanded state.
*/
enum WidgetsListDrawableState {
FIRST(new int[]{android.R.attr.state_first}),
FIRST_EXPANDED(new int[]{android.R.attr.state_first, android.R.attr.state_expanded}),
MIDDLE(new int[]{android.R.attr.state_middle}),
MIDDLE_EXPANDED(new int[]{android.R.attr.state_middle, android.R.attr.state_expanded}),
LAST(new int[]{android.R.attr.state_last}),
SINGLE(new int[]{android.R.attr.state_single});
final int[] mStateSet;
WidgetsListDrawableState(int[] stateSet) {
mStateSet = stateSet;
}
static WidgetsListDrawableState obtain(boolean isFirst, boolean isLast, boolean isExpanded) {
if (isFirst && isLast) return SINGLE;
if (isFirst && isExpanded) return FIRST_EXPANDED;
if (isFirst) return FIRST;
if (isLast) return LAST;
if (isExpanded) return MIDDLE_EXPANDED;
return MIDDLE;
}
}

60
src/com/android/launcher3/widget/picker/WidgetsListDrawables.java
View File

@ -1,60 +0,0 @@
/*
* Copyright (C) 2021 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.widget.picker;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.RippleDrawable;
import com.android.launcher3.R;
import com.android.launcher3.util.Themes;
/** Helper class for creating drawables to use as background for list elements. */
final class WidgetsListDrawables {
private WidgetsListDrawables() {}
/** Creates a list background drawable with the specified radii. */
static Drawable createListBackgroundDrawable(
Context context,
float topRadius,
float bottomRadius) {
GradientDrawable backgroundMask = new GradientDrawable();
backgroundMask.setColor(context.getColorStateList(R.color.surface));
backgroundMask.setShape(GradientDrawable.RECTANGLE);
backgroundMask.setCornerRadii(
new float[]{
topRadius,
topRadius,
topRadius,
topRadius,
bottomRadius,
bottomRadius,
bottomRadius,
bottomRadius
});
return new RippleDrawable(
/* color= */ ColorStateList.valueOf(
Themes.getAttrColor(context, android.R.attr.colorControlHighlight)),
/* content= */ backgroundMask,
/* mask= */ backgroundMask);
}
}

43
src/com/android/launcher3/widget/picker/WidgetsListHeader.java
View File

@ -60,9 +60,6 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
@Nullable private Drawable mIconDrawable;
private final int mIconSize;
private final int mBottomMarginSize;
private final float mTopBottomCornerRadius;
private final float mMiddleCornerRadius;
private final float mJoinedCornerRadius;
private ImageView mAppIcon;
private TextView mTitle;
@ -70,6 +67,7 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
private CheckBox mExpandToggle;
private boolean mIsExpanded = false;
@Nullable private WidgetsListDrawableState mListDrawableState;
public WidgetsListHeader(Context context) {
this(context, /* attrs= */ null);
@ -90,12 +88,6 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
grid.iconSizePx);
mBottomMarginSize =
getResources().getDimensionPixelSize(R.dimen.widget_list_entry_bottom_margin);
mTopBottomCornerRadius =
getResources().getDimension(R.dimen.widget_list_top_bottom_corner_radius);
mMiddleCornerRadius =
getResources().getDimension(R.dimen.widget_list_content_corner_radius);
mJoinedCornerRadius =
getResources().getDimension(R.dimen.widget_list_content_joined_corner_radius);
}
@Override
@ -163,6 +155,14 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
}
}
/** Sets the {@link WidgetsListDrawableState} and refreshes the background drawable. */
@UiThread
public void setListDrawableState(WidgetsListDrawableState state) {
if (state == mListDrawableState) return;
this.mListDrawableState = state;
refreshDrawableState();
}
/** Apply app icon, labels and tag using a generic {@link WidgetsListHeaderEntry}. */
@UiThread
public void applyFromItemInfoWithIcon(WidgetsListHeaderEntry entry) {
@ -263,20 +263,6 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
verifyHighRes();
}
/** Updates the list to have a background drawable with the appropriate corner radii. */
@UiThread
public void updateListBackground(boolean isFirst, boolean isLast, boolean isExpanded) {
float topRadius = isFirst ? mTopBottomCornerRadius : mMiddleCornerRadius;
float bottomRadius = isLast
? mTopBottomCornerRadius
: isExpanded
? mJoinedCornerRadius
: mMiddleCornerRadius;
setBackground(
WidgetsListDrawables.createListBackgroundDrawable(
getContext(), topRadius, bottomRadius));
}
private void setTitles(WidgetsListSearchHeaderEntry entry) {
mTitle.setText(entry.mPkgItem.title);
@ -300,6 +286,17 @@ public final class WidgetsListHeader extends LinearLayout implements ItemInfoUpd
}
}
@Override
protected int[] onCreateDrawableState(int extraSpace) {
if (mListDrawableState == null) return super.onCreateDrawableState(extraSpace);
// Augment the state set from the super implementation with the custom states from
// mListDrawableState.
int[] drawableState =
super.onCreateDrawableState(extraSpace + mListDrawableState.mStateSet.length);
mergeDrawableStates(drawableState, mListDrawableState.mStateSet);
return drawableState;
}
/** Verifies that the current icon is high-res otherwise posts a request to load the icon. */
public void verifyHighRes() {
if (mIconLoadRequest != null) {

14
src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinder.java
View File

@ -30,13 +30,16 @@ public final class WidgetsListHeaderViewHolderBinder implements
ViewHolderBinder<WidgetsListHeaderEntry, WidgetsListHeaderHolder> {
private final LayoutInflater mLayoutInflater;
private final OnHeaderClickListener mOnHeaderClickListener;
private final WidgetsListDrawableFactory mListDrawableFactory;
private final WidgetsListAdapter mWidgetsListAdapter;
public WidgetsListHeaderViewHolderBinder(LayoutInflater layoutInflater,
OnHeaderClickListener onHeaderClickListener,
WidgetsListDrawableFactory listDrawableFactory,
WidgetsListAdapter listAdapter) {
mLayoutInflater = layoutInflater;
mOnHeaderClickListener = onHeaderClickListener;
mListDrawableFactory = listDrawableFactory;
mWidgetsListAdapter = listAdapter;
}
@ -44,7 +47,7 @@ public final class WidgetsListHeaderViewHolderBinder implements
public WidgetsListHeaderHolder newViewHolder(ViewGroup parent) {
WidgetsListHeader header = (WidgetsListHeader) mLayoutInflater.inflate(
R.layout.widgets_list_row_header, parent, false);
header.setBackground(mListDrawableFactory.createHeaderBackgroundDrawable());
return new WidgetsListHeaderHolder(header);
}
@ -52,12 +55,13 @@ public final class WidgetsListHeaderViewHolderBinder implements
public void bindViewHolder(WidgetsListHeaderHolder viewHolder, WidgetsListHeaderEntry data,
int position) {
WidgetsListHeader widgetsListHeader = viewHolder.mWidgetsListHeader;
widgetsListHeader.updateListBackground(
/* isFirst= */ position == 0,
/* isLast= */ position == mWidgetsListAdapter.getItemCount() - 1,
/* isExpanded= */ data.isWidgetListShown());
widgetsListHeader.applyFromItemInfoWithIcon(data);
widgetsListHeader.setExpanded(data.isWidgetListShown());
widgetsListHeader.setListDrawableState(
WidgetsListDrawableState.obtain(
/* isFirst= */ position == 0,
/* isLast= */ position == mWidgetsListAdapter.getItemCount() - 1,
/* isExpanded= */ data.isWidgetListShown()));
widgetsListHeader.setOnExpandChangeListener(isExpanded ->
mOnHeaderClickListener.onHeaderClicked(
isExpanded,

14
src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinder.java
View File

@ -31,13 +31,16 @@ public final class WidgetsListSearchHeaderViewHolderBinder implements
ViewHolderBinder<WidgetsListSearchHeaderEntry, WidgetsListSearchHeaderHolder> {
private final LayoutInflater mLayoutInflater;
private final OnHeaderClickListener mOnHeaderClickListener;
private final WidgetsListDrawableFactory mListDrawableFactory;
private final WidgetsListAdapter mWidgetsListAdapter;
public WidgetsListSearchHeaderViewHolderBinder(LayoutInflater layoutInflater,
OnHeaderClickListener onHeaderClickListener,
WidgetsListDrawableFactory listDrawableFactory,
WidgetsListAdapter listAdapter) {
mLayoutInflater = layoutInflater;
mOnHeaderClickListener = onHeaderClickListener;
mListDrawableFactory = listDrawableFactory;
mWidgetsListAdapter = listAdapter;
}
@ -45,7 +48,7 @@ public final class WidgetsListSearchHeaderViewHolderBinder implements
public WidgetsListSearchHeaderHolder newViewHolder(ViewGroup parent) {
WidgetsListHeader header = (WidgetsListHeader) mLayoutInflater.inflate(
R.layout.widgets_list_row_header, parent, false);
header.setBackground(mListDrawableFactory.createHeaderBackgroundDrawable());
return new WidgetsListSearchHeaderHolder(header);
}
@ -53,12 +56,13 @@ public final class WidgetsListSearchHeaderViewHolderBinder implements
public void bindViewHolder(WidgetsListSearchHeaderHolder viewHolder,
WidgetsListSearchHeaderEntry data, int position) {
WidgetsListHeader widgetsListHeader = viewHolder.mWidgetsListHeader;
widgetsListHeader.updateListBackground(
/* isFirst= */ position == 0,
/* isLast= */ position == mWidgetsListAdapter.getItemCount() - 1,
/* isExpanded= */ data.isWidgetListShown());
widgetsListHeader.applyFromItemInfoWithIcon(data);
widgetsListHeader.setExpanded(data.isWidgetListShown());
widgetsListHeader.setListDrawableState(
WidgetsListDrawableState.obtain(
/* isFirst= */ position == 0,
/* isLast= */ position == mWidgetsListAdapter.getItemCount() - 1,
/* isExpanded= */ data.isWidgetListShown()));
widgetsListHeader.setOnExpandChangeListener(isExpanded ->
mOnHeaderClickListener.onHeaderClicked(isExpanded,
new PackageUserKey(data.mPkgItem.packageName, data.mPkgItem.user)));

59
src/com/android/launcher3/widget/picker/WidgetsListTableView.java Normal file
View File

@ -0,0 +1,59 @@
/*
* Copyright (C) 2021 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.widget.picker;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.TableLayout;
import androidx.annotation.Nullable;
import androidx.annotation.UiThread;
/**
* Extension of {@link TableLayout} to support the drawable states used by
* {@link WidgetsListDrawableState}.
*/
public class WidgetsListTableView extends TableLayout {
@Nullable private WidgetsListDrawableState mListDrawableState;
public WidgetsListTableView(Context context) {
super(context);
}
public WidgetsListTableView(Context context, AttributeSet attrs) {
super(context, attrs);
}
/** Sets the {@link WidgetsListDrawableState} and refreshes the background drawable. */
@UiThread
public void setListDrawableState(WidgetsListDrawableState state) {
if (state == mListDrawableState) return;
mListDrawableState = state;
refreshDrawableState();
}
@Override
protected int[] onCreateDrawableState(int extraSpace) {
if (mListDrawableState == null) return super.onCreateDrawableState(extraSpace);
// Augment the state set from the super implementation with the custom states from
// mListDrawableState.
int[] drawableState =
super.onCreateDrawableState(extraSpace + mListDrawableState.mStateSet.length);
mergeDrawableStates(drawableState, mListDrawableState.mStateSet);
return drawableState;
}
}

38
src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinder.java
View File

@ -15,8 +15,10 @@
*/
package com.android.launcher3.widget.picker;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.LAST;
import static com.android.launcher3.widget.picker.WidgetsListDrawableState.MIDDLE;
import android.content.Context;
import android.content.res.Resources;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
@ -51,10 +53,8 @@ public final class WidgetsListTableViewHolderBinder
private final OnClickListener mIconClickListener;
private final OnLongClickListener mIconLongClickListener;
private final WidgetPreviewLoader mWidgetPreviewLoader;
private final WidgetsListDrawableFactory mListDrawableFactory;
private final WidgetsListAdapter mWidgetsListAdapter;
private final float mTopBottomCornerRadius;
private final float mMiddleCornerRadius;
private final float mJoinedCornerRadius;
private boolean mApplyBitmapDeferred = false;
public WidgetsListTableViewHolderBinder(
@ -63,19 +63,14 @@ public final class WidgetsListTableViewHolderBinder
OnClickListener iconClickListener,
OnLongClickListener iconLongClickListener,
WidgetPreviewLoader widgetPreviewLoader,
WidgetsListDrawableFactory listDrawableFactory,
WidgetsListAdapter listAdapter) {
mLayoutInflater = layoutInflater;
mIconClickListener = iconClickListener;
mIconLongClickListener = iconLongClickListener;
mWidgetPreviewLoader = widgetPreviewLoader;
mListDrawableFactory = listDrawableFactory;
mWidgetsListAdapter = listAdapter;
Resources resources = context.getResources();
mTopBottomCornerRadius =
resources.getDimension(R.dimen.widget_list_top_bottom_corner_radius);
mMiddleCornerRadius =
resources.getDimension(R.dimen.widget_list_content_corner_radius);
mJoinedCornerRadius =
resources.getDimension(R.dimen.widget_list_content_joined_corner_radius);
}
/**
@ -97,28 +92,25 @@ public final class WidgetsListTableViewHolderBinder
Log.v(TAG, "\nonCreateViewHolder");
}
ViewGroup container = (ViewGroup) mLayoutInflater.inflate(
R.layout.widgets_table_container, parent, false);
return new WidgetsRowViewHolder(container);
WidgetsRowViewHolder viewHolder =
new WidgetsRowViewHolder(mLayoutInflater.inflate(
R.layout.widgets_table_container, parent, false));
viewHolder.mTableContainer.setBackgroundDrawable(
mListDrawableFactory.createContentBackgroundDrawable());
return viewHolder;
}
@Override
public void bindViewHolder(WidgetsRowViewHolder holder, WidgetsListContentEntry entry,
int position) {
TableLayout table = holder.mTableContainer;
WidgetsListTableView table = holder.mTableContainer;
if (DEBUG) {
Log.d(TAG, String.format("onBindViewHolder [widget#=%d, table.getChildCount=%d]",
entry.mWidgets.size(), table.getChildCount()));
}
// The content is always joined to an expanded header above.
float topRadius = mJoinedCornerRadius;
float bottomRadius = position == mWidgetsListAdapter.getItemCount() - 1
? mTopBottomCornerRadius
: mMiddleCornerRadius;
table.setBackgroundDrawable(
WidgetsListDrawables.createListBackgroundDrawable(
holder.itemView.getContext(), topRadius, bottomRadius));
table.setListDrawableState(
position == mWidgetsListAdapter.getItemCount() - 1 ? LAST : MIDDLE);
List<ArrayList<WidgetItem>> widgetItemsTable =
WidgetsTableUtils.groupWidgetItemsIntoTable(entry.mWidgets, mMaxSpansPerRow);

7
src/com/android/launcher3/widget/picker/WidgetsRowViewHolder.java
View File

@ -15,8 +15,7 @@
*/
package com.android.launcher3.widget.picker;
import android.view.ViewGroup;
import android.widget.TableLayout;
import android.view.View;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;
@ -25,9 +24,9 @@ import com.android.launcher3.R;
/** A {@link ViewHolder} for showing widgets of an app in the full widget picker. */
public final class WidgetsRowViewHolder extends ViewHolder {
public final TableLayout mTableContainer;
public final WidgetsListTableView mTableContainer;
public WidgetsRowViewHolder(ViewGroup v) {
public WidgetsRowViewHolder(View v) {
super(v);
mTableContainer = v.findViewById(R.id.widgets_table);