Using paged view for all-apps tabs (0bd7f4f2) · Commits · e / os / android_packages_apps_Trebuchet

res/layout/all_apps_tabs.xml

+6 −4

Original line number	Diff line number	Diff line
		@@ -14,21 +14,23 @@
		~ See the License for the specific language governing permissions and
		~ limitations under the License.
		-->
		<com.android.launcher3.allapps.InterceptingViewPager
		<com.android.launcher3.allapps.AllAppsPagedView
		xmlns:android="http://schemas.android.com/apk/res/android"
		xmlns:launcher="http://schemas.android.com/apk/res-auto"
		android:id="@+id/all_apps_tabs_view_pager"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:layout_below="@id/search_container_all_apps"
		android:layout_gravity="center_horizontal\|top"
		android:layout_marginTop="@dimen/all_apps_header_tab_height"
		android:clipChildren="false"
		android:clipChildren="true"
		android:clipToPadding="false"
		android:descendantFocusability="afterDescendants"
		android:paddingTop="@dimen/all_apps_header_top_padding">
		android:paddingTop="@dimen/all_apps_header_top_padding"
		launcher:pageIndicator="@+id/tabs" >

		<include layout="@layout/all_apps_rv_layout" />

		<include layout="@layout/all_apps_rv_layout" />

		</com.android.launcher3.allapps.InterceptingViewPager>
		No newline at end of file
		</com.android.launcher3.allapps.AllAppsPagedView>
		No newline at end of file

src/com/android/launcher3/PagedView.java

+14 −54

Original line number	Diff line number	Diff line
		@@ -59,7 +59,7 @@ import java.util.ArrayList;
		* An abstraction of the original Workspace which supports browsing through a
		* sequential list of "pages"
		*/
		public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarchyChangeListener {
		public abstract class PagedView<T extends View & PageIndicator> extends ViewGroup {
		private static final String TAG = "PagedView";
		private static final boolean DEBUG = false;
		protected static final int INVALID_PAGE = -1;
		@@ -154,7 +154,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc

		// Page Indicator
		@Thunk int mPageIndicatorViewId;
		protected PageIndicator mPageIndicator;
		protected T mPageIndicator;

		// Reordering
		// We use the min scale to determine how much to expand the actually PagedView measured
		@@ -224,7 +224,6 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
		mFlingThresholdVelocity = (int) (FLING_THRESHOLD_VELOCITY * density);
		mMinFlingVelocity = (int) (MIN_FLING_VELOCITY * density);
		mMinSnapVelocity = (int) (MIN_SNAP_VELOCITY * density);
		setOnHierarchyChangeListener(this);
		setWillNotDraw(false);
		}

		@@ -235,9 +234,9 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc

		public void initParentViews(View parent) {
		if (mPageIndicatorViewId > -1) {
		mPageIndicator = (PageIndicator) parent.findViewById(mPageIndicatorViewId);
		mPageIndicator = parent.findViewById(mPageIndicatorViewId);
		mPageIndicator.setMarkersCount(getChildCount());
		mPageIndicator.setContentDescription(getPageIndicatorDescription());
		mPageIndicator.setPageDescription(getPageIndicatorDescription());
		}
		}

		@@ -282,7 +281,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
		}
		}

		public PageIndicator getPageIndicator() {
		public T getPageIndicator() {
		return mPageIndicator;
		}

		@@ -384,7 +383,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
		private void updatePageIndicator() {
		// Update the page indicator (when we aren't reordering)
		if (mPageIndicator != null) {
		mPageIndicator.setContentDescription(getPageIndicatorDescription());
		mPageIndicator.setPageDescription(getPageIndicatorDescription());
		if (!isReordering(false)) {
		mPageIndicator.setActiveMarker(getNextPage());
		}
		@@ -748,63 +747,24 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
		requestLayout();
		}

		@Override
		public void onChildViewAdded(View parent, View child) {
		// Update the page indicator, we don't update the page indicator as we
		// add/remove pages
		if (mPageIndicator != null && !isReordering(false)) {
		mPageIndicator.addMarker();
		private void dispatchPageCountChanged() {
		if (mPageIndicator != null) {
		mPageIndicator.setMarkersCount(getChildCount());
		}

		// This ensures that when children are added, they get the correct transforms / alphas
		// in accordance with any scroll effects.
		invalidate();
		}

		@Override
		public void onChildViewRemoved(View parent, View child) {
		mCurrentPage = validateNewPage(mCurrentPage);
		invalidate();
		}

		private void removeMarkerForView() {
		// Update the page indicator, we don't update the page indicator as we
		// add/remove pages
		if (mPageIndicator != null && !isReordering(false)) {
		mPageIndicator.removeMarker();
		}
		public void onViewAdded(View child) {
		dispatchPageCountChanged();
		}

		@Override
		public void removeView(View v) {
		// XXX: We should find a better way to hook into this before the view
		// gets removed form its parent...
		removeMarkerForView();
		super.removeView(v);
		}
		@Override
		public void removeViewInLayout(View v) {
		// XXX: We should find a better way to hook into this before the view
		// gets removed form its parent...
		removeMarkerForView();
		super.removeViewInLayout(v);
		}
		@Override
		public void removeViewAt(int index) {
		// XXX: We should find a better way to hook into this before the view
		// gets removed form its parent...
		removeMarkerForView();
		super.removeViewAt(index);
		}
		@Override
		public void removeAllViewsInLayout() {
		// Update the page indicator, we don't update the page indicator as we
		// add/remove pages
		if (mPageIndicator != null) {
		mPageIndicator.setMarkersCount(0);
		}

		super.removeAllViewsInLayout();
		public void onViewRemoved(View child) {
		mCurrentPage = validateNewPage(mCurrentPage);
		dispatchPageCountChanged();
		}

		protected int getChildOffset(int index) {

src/com/android/launcher3/Workspace.java

+5 −7

Original line number	Diff line number	Diff line
		@@ -75,6 +75,7 @@ import com.android.launcher3.folder.FolderIcon;
		import com.android.launcher3.folder.PreviewBackground;
		import com.android.launcher3.graphics.DragPreviewProvider;
		import com.android.launcher3.graphics.PreloadIconDrawable;
		import com.android.launcher3.pageindicators.WorkspacePageIndicator;
		import com.android.launcher3.popup.PopupContainerWithArrow;
		import com.android.launcher3.shortcuts.ShortcutDragPreviewProvider;
		import com.android.launcher3.uioverrides.UiFactory;
		@@ -100,10 +101,9 @@ import java.util.Set;
		* Each page contains a number of icons, folders or widgets the user can
		* interact with. A workspace is meant to be used with a fixed width only.
		*/
		public class Workspace extends PagedView
		public class Workspace extends PagedView<WorkspacePageIndicator>
		implements DropTarget, DragSource, View.OnTouchListener,
		DragController.DragListener, ViewGroup.OnHierarchyChangeListener,
		Insettable, LauncherStateManager.StateHandler {
		DragController.DragListener, Insettable, LauncherStateManager.StateHandler {
		private static final String TAG = "Launcher.Workspace";

		/** The value that {@link #mTransitionProgress} must be greater than for
		@@ -273,9 +273,7 @@ public class Workspace extends PagedView

		mWallpaperOffset = new WallpaperOffsetInterpolator(this);

		setOnHierarchyChangeListener(this);
		setHapticFeedbackEnabled(false);

		initWorkspace();

		// Disable multitouch across the workspace/all apps/customize tray
		@@ -463,7 +461,7 @@ public class Workspace extends PagedView
		}

		@Override
		public void onChildViewAdded(View parent, View child) {
		public void onViewAdded(View child) {
		if (!(child instanceof CellLayout)) {
		throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
		}
		@@ -471,7 +469,7 @@ public class Workspace extends PagedView
		cl.setOnInterceptTouchListener(this);
		cl.setClickable(true);
		cl.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
		super.onChildViewAdded(parent, child);
		super.onViewAdded(child);
		}

		boolean isTouchActive() {

src/com/android/launcher3/allapps/AllAppsContainerView.java

+24 −81

Original line number	Diff line number	Diff line
		@@ -21,8 +21,6 @@ import android.graphics.Rect;
		import android.os.Process;
		import android.support.annotation.NonNull;
		import android.support.annotation.Nullable;
		import android.support.v4.view.PagerAdapter;
		import android.support.v4.view.ViewPager;
		import android.support.v7.widget.LinearLayoutManager;
		import android.support.v7.widget.RecyclerView;
		import android.text.Selection;
		@@ -50,7 +48,6 @@ import com.android.launcher3.InsettableFrameLayout;
		import com.android.launcher3.ItemInfo;
		import com.android.launcher3.Launcher;
		import com.android.launcher3.LauncherState;
		import com.android.launcher3.PromiseAppInfo;
		import com.android.launcher3.R;
		import com.android.launcher3.anim.SpringAnimationHandler;
		import com.android.launcher3.config.FeatureFlags;
		@@ -59,12 +56,8 @@ import com.android.launcher3.dragndrop.DragOptions;
		import com.android.launcher3.keyboard.FocusedItemDecorator;
		import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
		import com.android.launcher3.util.ItemInfoMatcher;
		import com.android.launcher3.util.PackageUserKey;
		import com.android.launcher3.views.BottomUserEducationView;

		import java.util.List;
		import java.util.Set;

		/**
		* The all apps view container.
		*/
		@@ -80,9 +73,8 @@ public class AllAppsContainerView extends RelativeLayout implements DragSource,

		private SearchUiManager mSearchUiManager;
		private View mSearchContainer;
		private InterceptingViewPager mViewPager;
		private AllAppsPagedView mViewPager;
		private FloatingHeaderView mHeader;
		private TabsPagerAdapter mTabsPagerAdapter;

		private SpannableStringBuilder mSearchQueryBuilder = null;

		@@ -184,7 +176,7 @@ public class AllAppsContainerView extends RelativeLayout implements DragSource,
		}

		public AllAppsRecyclerView getActiveRecyclerView() {
		if (!mUsingTabs \|\| mViewPager.getCurrentItem() == 0) {
		if (!mUsingTabs \|\| mViewPager.getNextPage() == 0) {
		return mAH[AdapterHolder.MAIN].recyclerView;
		} else {
		return mAH[AdapterHolder.WORK].recyclerView;
		@@ -329,9 +321,8 @@ public class AllAppsContainerView extends RelativeLayout implements DragSource,
		if (mUsingTabs) {
		mAH[AdapterHolder.MAIN].setup(mViewPager.getChildAt(0), mPersonalMatcher);
		mAH[AdapterHolder.WORK].setup(mViewPager.getChildAt(1), mWorkMatcher);
		setupWorkProfileTabs();
		onTabChanged(mViewPager.getNextPage());
		} else {
		mTabsPagerAdapter = null;
		mAH[AdapterHolder.MAIN].setup(findViewById(R.id.apps_list_view), null);
		mAH[AdapterHolder.WORK].recyclerView = null;
		}
		@@ -355,52 +346,37 @@ public class AllAppsContainerView extends RelativeLayout implements DragSource,
		int layout = showTabs ? R.layout.all_apps_tabs : R.layout.all_apps_rv_layout;
		View newView = LayoutInflater.from(getContext()).inflate(layout, this, false);
		addView(newView, index);
		mViewPager = showTabs ? (InterceptingViewPager) newView : null;
		if (showTabs) {
		mViewPager = (AllAppsPagedView) newView;
		mViewPager.initParentViews(this);
		mViewPager.getPageIndicator().setContainerView(this);
		} else {
		mViewPager = null;
		}
		}

		public View getRecyclerViewContainer() {
		return mViewPager != null ? mViewPager : findViewById(R.id.apps_list_view);
		}

		private void setupWorkProfileTabs() {
		if (mTabsPagerAdapter != null) {
		return;
		}
		final PersonalWorkSlidingTabStrip tabs = findViewById(R.id.tabs);
		mViewPager.setAdapter(mTabsPagerAdapter = new TabsPagerAdapter());
		mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {

		@Override
		public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
		tabs.updateIndicatorPosition(position, positionOffset);
		}

		@Override
		public void onPageSelected(int pos) {
		tabs.updateTabTextColor(pos);
		public void onTabChanged(int pos) {
		mHeader.setMainActive(pos == 0);
		reset();
		applyTouchDelegate();
		if (mAH[pos].recyclerView != null) {
		mAH[pos].recyclerView.bindFastScrollbar();

		findViewById(R.id.tab_personal)
		.setOnClickListener((View view) -> mViewPager.snapToPage(AdapterHolder.MAIN));
		findViewById(R.id.tab_work)
		.setOnClickListener((View view) -> mViewPager.snapToPage(AdapterHolder.WORK));

		}
		if (pos == AdapterHolder.WORK) {
		BottomUserEducationView.showIfNeeded(mLauncher);
		}
		}

		@Override
		public void onPageScrollStateChanged(int state) {
		}
		});
		mAH[AdapterHolder.MAIN].recyclerView.bindFastScrollbar();

		findViewById(R.id.tab_personal)
		.setOnClickListener((View view) -> mViewPager.setCurrentItem(0));
		findViewById(R.id.tab_work)
		.setOnClickListener((View view) -> mViewPager.setCurrentItem(1));
		}

		public AlphabeticalAppsList getApps() {
		return mAH[AdapterHolder.MAIN].appsList;
		}
		@@ -519,37 +495,4 @@ public class AllAppsContainerView extends RelativeLayout implements DragSource,
		&& verticalFadingEdge);
		}
		}

		private class TabsPagerAdapter extends PagerAdapter {
		@Override
		public int getCount() {
		return 2;
		}

		@Override
		public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
		return view == object;
		}

		@NonNull
		@Override
		public Object instantiateItem(@NonNull ViewGroup container, int position) {
		if (position == 0) {
		return mAH[AdapterHolder.MAIN].recyclerView;
		} else {
		return mAH[AdapterHolder.WORK].recyclerView;
		}
		}

		@Nullable
		@Override
		public CharSequence getPageTitle(int position) {
		if (position == 0) {
		return getResources().getString(R.string.all_apps_personal_tab);
		} else {
		return getResources().getString(R.string.all_apps_work_tab);
		}
		}
		}

		}

src/com/android/launcher3/allapps/AllAppsPagedView.java

0 → 100644

+49 −0

Original line number	Diff line number	Diff line
		/*
		* 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.launcher3.allapps;

		import android.content.Context;
		import android.util.AttributeSet;

		import com.android.launcher3.PagedView;
		import com.android.launcher3.R;

		public class AllAppsPagedView extends PagedView<PersonalWorkSlidingTabStrip> {

		public AllAppsPagedView(Context context) {
		this(context, null);
		}

		public AllAppsPagedView(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
		}

		public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		}

		@Override
		protected String getCurrentPageDescription() {
		return getResources().getString(
		getNextPage() == 0 ? R.string.all_apps_personal_tab : R.string.all_apps_work_tab);
		}

		@Override
		protected void onScrollChanged(int l, int t, int oldl, int oldt) {
		super.onScrollChanged(l, t, oldl, oldt);
		mPageIndicator.setScroll(l, mMaxScrollX);
		}
		}