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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.launcher3.uioverrides;
import static com.android.launcher3.LauncherState.OVERVIEW;
import static com.android.launcher3.WorkspaceStateTransitionAnimation.NO_ANIM_PROPERTY_SETTER;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.android.launcher3.Insettable;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.LauncherStateManager;
import com.android.launcher3.LauncherStateManager.AnimationConfig;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.WorkspaceStateTransitionAnimation.AnimatedPropertySetter;
import com.android.launcher3.WorkspaceStateTransitionAnimation.PropertySetter;
import com.android.launcher3.anim.AnimatorSetBuilder;
import com.android.launcher3.anim.Interpolators;
import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
import com.android.launcher3.widget.WidgetsFullSheet;
public class OverviewPanel extends LinearLayout implements Insettable, View.OnClickListener,
View.OnLongClickListener, LauncherStateManager.StateHandler {
// Out of 100, the percent of space the overview bar should try and take vertically.
private static final float OVERVIEW_ICON_ZONE_RATIO = 0.22f;
private final Launcher mLauncher;
public OverviewPanel(Context context) {
this(context, null);
}
public OverviewPanel(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public OverviewPanel(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mLauncher = Launcher.getLauncher(context);
setAlpha(0);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
int visibleChildCount = 3;
// Attach buttons.
attachListeners(findViewById(R.id.wallpaper_button));
attachListeners(findViewById(R.id.widget_button));
View settingsButton = findViewById(R.id.settings_button);
if (mLauncher.hasSettings()) {
attachListeners(settingsButton);
} else {
settingsButton.setVisibility(GONE);
visibleChildCount--;
}
// Init UI
Resources res = getResources();
int itemWidthPx =
res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_item_width);
int spacerWidthPx =
res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_spacer_width);
int totalItemWidth = visibleChildCount * itemWidthPx;
int maxWidth = totalItemWidth + (visibleChildCount - 1) * spacerWidthPx;
getLayoutParams().width = Math.min(mLauncher.getDeviceProfile().availableWidthPx, maxWidth);
getLayoutParams().height = getButtonBarHeight(mLauncher);
}
private void attachListeners(View view) {
view.setOnClickListener(this);
view.setOnLongClickListener(this);
}
@Override
public void setInsets(Rect insets) {
((FrameLayout.LayoutParams) getLayoutParams()).bottomMargin = insets.bottom;
}
@Override
public void onClick(View view) {
handleViewClick(view, Action.Touch.TAP);
}
@Override
public boolean onLongClick(View view) {
return handleViewClick(view, Action.Touch.LONGPRESS);
}
private boolean handleViewClick(View view, int action) {
if (mLauncher.getWorkspace().isSwitchingState()) {
return false;
}
final int controlType;
if (view.getId() == R.id.wallpaper_button) {
mLauncher.onClickWallpaperPicker(view);
controlType = ControlType.WALLPAPER_BUTTON;
} else if (view.getId() == R.id.widget_button) {
onClickAddWidgetButton();
controlType = ControlType.WIDGETS_BUTTON;
} else if (view.getId() == R.id.settings_button) {
onClickSettingsButton(view);
controlType = ControlType.SETTINGS_BUTTON;
} else {
return false;
}
mLauncher.getUserEventDispatcher().logActionOnControl(action, controlType);
return true;
}
/**
* Event handler for the (Add) Widgets button that appears after a long press
* on the home screen.
*/
public void onClickAddWidgetButton() {
if (getContext().getPackageManager().isSafeMode()) {
Toast.makeText(mLauncher, R.string.safemode_widget_error, Toast.LENGTH_SHORT).show();
} else {
WidgetsFullSheet.show(mLauncher, true /* animated */);
}
}
/**
* Event handler for a click on the settings button that appears after a long press
* on the home screen.
*/
public void onClickSettingsButton(View v) {
Intent intent = new Intent(Intent.ACTION_APPLICATION_PREFERENCES)
.setPackage(getContext().getPackageName());
intent.setSourceBounds(mLauncher.getViewBounds(v));
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getContext().startActivity(intent, mLauncher.getActivityLaunchOptionsAsBundle(v, false));
}
@Override
public void setState(LauncherState state) {
setState(state, NO_ANIM_PROPERTY_SETTER);
}
@Override
public void setStateWithAnimation(LauncherState toState,
AnimatorSetBuilder builder, AnimationConfig config) {
setState(toState, new AnimatedPropertySetter(config.duration, builder));
}
private void setState(LauncherState state, PropertySetter setter) {
float myAlpha = state == OVERVIEW ? 1 : 0;
setter.setViewAlpha(this, myAlpha, Interpolators.ACCEL);
}
public static int getButtonBarHeight(Launcher launcher) {
int zoneHeight = (int) (OVERVIEW_ICON_ZONE_RATIO *
launcher.getDeviceProfile().availableHeightPx);
Resources res = launcher.getResources();
int overviewModeMinIconZoneHeightPx =
res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_min_icon_zone_height);
int overviewModeMaxIconZoneHeightPx =
res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_max_icon_zone_height);
return Utilities.boundToRange(zoneHeight,
overviewModeMinIconZoneHeightPx,
overviewModeMaxIconZoneHeightPx);
}
}
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