зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1116415 - 3. Add an ItemTouchHelper to the tabs panel list for swipe to close. r=sebastian
MozReview-Commit-ID: 8QlbSg7qsZK --HG-- extra : rebase_source : 40f57bbb8f2a97903cf52c5ce5d134d67ab957bb extra : source : 332092b1cb5ecb3d99f93a21edce5ab3bcb00fd5
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Родитель
2664442b26
Коммит
6c54eb4796
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@ -23,7 +23,8 @@ import java.util.ArrayList;
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public abstract class TabsLayout extends RecyclerView
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implements TabsPanel.TabsLayout,
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Tabs.OnTabsChangedListener,
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RecyclerViewClickSupport.OnItemClickListener {
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RecyclerViewClickSupport.OnItemClickListener,
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TabsTouchHelperCallback.DismissListener {
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private static final String LOGTAG = "Gecko" + TabsLayout.class.getSimpleName();
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@ -174,6 +175,11 @@ public abstract class TabsLayout extends RecyclerView
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}
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}
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@Override
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public void onItemDismiss(View view) {
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closeTab(view);
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}
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private Tab getTabForView(View view) {
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if (view == null) {
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return null;
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@ -11,6 +11,7 @@ import org.mozilla.gecko.util.ThreadUtils;
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import android.content.Context;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.helper.ItemTouchHelper;
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import android.util.AttributeSet;
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import android.view.View;
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@ -29,6 +30,11 @@ public class TabsListLayout extends TabsLayout {
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setHasFixedSize(true);
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setLayoutManager(new LinearLayoutManager(context));
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// A TouchHelper handler for swipe to close.
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final TabsTouchHelperCallback callback = new TabsTouchHelperCallback(this);
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final ItemTouchHelper touchHelper = new ItemTouchHelper(callback);
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touchHelper.attachToRecyclerView(this);
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}
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@Override
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@ -0,0 +1,69 @@
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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.tabs;
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import android.graphics.Canvas;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.helper.ItemTouchHelper;
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import android.view.View;
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class TabsTouchHelperCallback extends ItemTouchHelper.Callback {
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private final DismissListener dismissListener;
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interface DismissListener {
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void onItemDismiss(View view);
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}
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public TabsTouchHelperCallback(DismissListener dismissListener) {
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this.dismissListener = dismissListener;
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}
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@Override
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public boolean isItemViewSwipeEnabled() {
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return true;
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}
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@Override
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public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
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return makeFlag(ItemTouchHelper.ACTION_STATE_SWIPE, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT);
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}
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@Override
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public void onSwiped(RecyclerView.ViewHolder viewHolder, int i) {
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dismissListener.onItemDismiss(viewHolder.itemView);
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}
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@Override
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public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
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RecyclerView.ViewHolder target) {
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return false;
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}
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// Alpha on an itemView being swiped should decrease to a min over a distance equal to the
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// width of the item being swiped.
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@Override
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public void onChildDraw(Canvas c,
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RecyclerView recyclerView,
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RecyclerView.ViewHolder viewHolder,
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float dX,
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float dY,
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int actionState,
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boolean isCurrentlyActive) {
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if (actionState != ItemTouchHelper.ACTION_STATE_SWIPE) {
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return;
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}
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super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
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viewHolder.itemView.setAlpha(Math.max(0.1f,
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Math.min(1f, 1f - 2f * Math.abs(dX) / viewHolder.itemView.getWidth())));
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}
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public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
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super.clearView(recyclerView, viewHolder);
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viewHolder.itemView.setAlpha(1);
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}
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}
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@ -674,6 +674,7 @@ gbjar.sources += ['java/org/mozilla/gecko/' + x for x in [
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'tabs/TabsListLayout.java',
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'tabs/TabsPanel.java',
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'tabs/TabsPanelThumbnailView.java',
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'tabs/TabsTouchHelperCallback.java',
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'Telemetry.java',
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'telemetry/measurements/CampaignIdMeasurements.java',
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'telemetry/measurements/SearchCountMeasurements.java',
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