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/*
* Copyright (C) 2017 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.dialer.historyitemactions;
import android.content.Context;
import android.content.res.ColorStateList;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.BottomSheetBehavior;
import android.support.design.widget.BottomSheetBehavior.BottomSheetCallback;
import android.support.design.widget.BottomSheetDialog;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewTreeObserver.OnPreDrawListener;
import android.view.Window;
import android.view.accessibility.AccessibilityManager;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.dialer.common.Assert;
import com.android.dialer.compat.android.support.design.bottomsheet.BottomSheetStateCompat;
import com.android.dialer.theme.base.ThemeComponent;
import com.android.dialer.widget.ContactPhotoView;
import com.google.common.collect.ImmutableSet;
import java.util.List;
/**
* {@link BottomSheetDialog} used to show a list of actions in a bottom sheet menu.
*
* <p>{@link #show(Context, HistoryItemBottomSheetHeaderInfo, List)} should be used to create and
* display the menu. Modules are built using {@link HistoryItemActionModule} and some defaults are
* provided by {@link IntentModule} and {@link DividerModule}.
*/
public class HistoryItemActionBottomSheet extends BottomSheetDialog implements OnClickListener {
private final List<HistoryItemActionModule> modules;
private final HistoryItemBottomSheetHeaderInfo historyItemBottomSheetHeaderInfo;
/**
* An {@link OnPreDrawListener} that sets the contact layout's elevation if
*
* <ul>
* <li>the bottom sheet can expand to full screen, and
* <li>the bottom sheet is fully expanded.
* </ul>
*
* <p>The reason an {@link OnPreDrawListener} instead of a {@link BottomSheetCallback} is used to
* handle this is that the initial state of the bottom sheet will be STATE_EXPANDED when the touch
* exploration (e.g., TalkBack) is enabled and {@link BottomSheetCallback} won't be triggered in
* this case. See {@link #setupBottomSheetBehavior()} for details.
*/
private final OnPreDrawListener onPreDrawListenerForContactLayout =
() -> {
View contactLayout = findViewById(R.id.contact_layout_root);
View background = findViewById(android.support.design.R.id.touch_outside);
View bottomSheet = findViewById(android.support.design.R.id.design_bottom_sheet);
BottomSheetBehavior<View> behavior = BottomSheetBehavior.from(bottomSheet);
// If the height of the background is equal to that of the bottom sheet, the bottom sheet
// *can* be expanded to full screen.
contactLayout.setElevation(
background.getHeight() == bottomSheet.getHeight()
&& behavior.getState() == BottomSheetStateCompat.STATE_EXPANDED
? getContext()
.getResources()
.getDimensionPixelSize(R.dimen.contact_actions_header_elevation)
: 0);
return true; // Return true to proceed with the current drawing pass.
};
private LinearLayout contactLayout;
private HistoryItemActionBottomSheet(
Context context,
HistoryItemBottomSheetHeaderInfo historyItemBottomSheetHeaderInfo,
List<HistoryItemActionModule> modules) {
super(context, R.style.HistoryItemBottomSheet);
this.modules = modules;
this.historyItemBottomSheetHeaderInfo = Assert.isNotNull(historyItemBottomSheetHeaderInfo);
setContentView(LayoutInflater.from(context).inflate(R.layout.sheet_layout, null));
}
public static HistoryItemActionBottomSheet show(
Context context,
HistoryItemBottomSheetHeaderInfo historyItemBottomSheetHeaderInfo,
List<HistoryItemActionModule> modules) {
HistoryItemActionBottomSheet sheet =
new HistoryItemActionBottomSheet(context, historyItemBottomSheetHeaderInfo, modules);
sheet.show();
return sheet;
}
@Override
protected void onCreate(Bundle bundle) {
contactLayout = Assert.isNotNull(findViewById(R.id.contact_layout_root));
initBottomSheetState();
setupBottomSheetBehavior();
setupWindow();
setupContactLayout();
LinearLayout container = Assert.isNotNull(findViewById(R.id.action_container));
for (HistoryItemActionModule module : modules) {
if (module instanceof DividerModule) {
container.addView(getDividerView(container));
} else {
container.addView(getModuleView(container, module));
}
}
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
contactLayout.getViewTreeObserver().addOnPreDrawListener(onPreDrawListenerForContactLayout);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
contactLayout.getViewTreeObserver().removeOnPreDrawListener(onPreDrawListenerForContactLayout);
}
private void initBottomSheetState() {
// If the touch exploration in the system (e.g., TalkBack) is enabled, the bottom sheet should
// be fully expanded because sometimes services like TalkBack won't read all items when the
// bottom sheet is not fully expanded.
if (isTouchExplorationEnabled()) {
BottomSheetBehavior<View> behavior =
BottomSheetBehavior.from(findViewById(android.support.design.R.id.design_bottom_sheet));
behavior.setState(BottomSheetStateCompat.STATE_EXPANDED);
}
}
/**
* Configures the bottom sheet behavior when its state changes.
*
* <p>If the touch exploration in the system (e.g., TalkBack) is enabled, the bottom sheet will be
* canceled if it is in a final state other than {@link BottomSheetBehavior#STATE_EXPANDED}. This
* is because sometimes services like TalkBack won't read all items when the bottom sheet is not
* fully expanded.
*
* <p>If the touch exploration is disabled, cancel the bottom sheet when it is in {@link
* BottomSheetBehavior#STATE_HIDDEN}.
*/
private void setupBottomSheetBehavior() {
BottomSheetBehavior<View> behavior =
BottomSheetBehavior.from(findViewById(android.support.design.R.id.design_bottom_sheet));
behavior.setBottomSheetCallback(
new BottomSheetCallback() {
@Override
public void onStateChanged(@NonNull View bottomSheet, int newState) {
ImmutableSet<Integer> statesToCancelBottomSheet =
isTouchExplorationEnabled()
? ImmutableSet.of(
BottomSheetStateCompat.STATE_COLLAPSED,
BottomSheetStateCompat.STATE_HIDDEN,
BottomSheetStateCompat.STATE_HALF_EXPANDED)
: ImmutableSet.of(BottomSheetStateCompat.STATE_HIDDEN);
if (statesToCancelBottomSheet.contains(newState)) {
cancel();
}
// TODO(calderwoodra): set the status bar color when expanded, else translucent
}
@Override
public void onSlide(@NonNull View bottomSheet, float slideOffset) {}
});
}
// Overwrites the window size since it doesn't match the parent.
private void setupWindow() {
Window window = getWindow();
if (window == null) {
return;
}
// TODO(calderwoodra): set the nav bar color
window.setLayout(
/* width = */ ViewGroup.LayoutParams.MATCH_PARENT,
/* height = */ ViewGroup.LayoutParams.MATCH_PARENT);
}
private void setupContactLayout() {
ContactPhotoView contactPhotoView = contactLayout.findViewById(R.id.contact_photo_view);
contactPhotoView.setPhoto(historyItemBottomSheetHeaderInfo.getPhotoInfo());
TextView primaryTextView = contactLayout.findViewById(R.id.primary_text);
TextView secondaryTextView = contactLayout.findViewById(R.id.secondary_text);
primaryTextView.setText(historyItemBottomSheetHeaderInfo.getPrimaryText());
if (!TextUtils.isEmpty(historyItemBottomSheetHeaderInfo.getSecondaryText())) {
secondaryTextView.setText(historyItemBottomSheetHeaderInfo.getSecondaryText());
} else {
secondaryTextView.setVisibility(View.GONE);
secondaryTextView.setText(null);
}
}
private View getDividerView(ViewGroup container) {
LayoutInflater inflater = LayoutInflater.from(getContext());
return inflater.inflate(R.layout.divider_layout, container, false);
}
private View getModuleView(ViewGroup container, HistoryItemActionModule module) {
LayoutInflater inflater = LayoutInflater.from(getContext());
View moduleView = inflater.inflate(R.layout.module_layout, container, false);
((TextView) moduleView.findViewById(R.id.module_text)).setText(module.getStringId());
((ImageView) moduleView.findViewById(R.id.module_image))
.setImageResource(module.getDrawableId());
if (module.tintDrawable()) {
((ImageView) moduleView.findViewById(R.id.module_image))
.setImageTintList(
ColorStateList.valueOf(ThemeComponent.get(getContext()).theme().getColorIcon()));
}
moduleView.setOnClickListener(this);
moduleView.setTag(module);
return moduleView;
}
@Override
public void onClick(View view) {
if (((HistoryItemActionModule) view.getTag()).onClick()) {
dismiss();
}
}
private boolean isTouchExplorationEnabled() {
AccessibilityManager accessibilityManager =
getContext().getSystemService(AccessibilityManager.class);
return accessibilityManager.isTouchExplorationEnabled();
}
}
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