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/*
* Copyright (C) 2022 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.taskbar.navbutton
import android.content.res.Resources
import android.view.Surface.ROTATION_90
import android.view.Surface.Rotation
import android.view.ViewGroup
import android.widget.FrameLayout
import android.widget.LinearLayout
import com.android.launcher3.DeviceProfile
import com.android.launcher3.taskbar.navbutton.LayoutResourceHelper.*
import com.android.launcher3.taskbar.navbutton.NavButtonLayoutFactory.Companion
import com.android.launcher3.taskbar.navbutton.NavButtonLayoutFactory.NavButtonLayoutter
/**
* Select the correct layout for nav buttons
*
* Since layouts are done dynamically for the nav buttons on Taskbar, this class returns a
* corresponding [NavButtonLayoutter] via [Companion.getUiLayoutter] that can help position the
* buttons based on the current [DeviceProfile]
*/
class NavButtonLayoutFactory {
companion object {
/**
* Get the correct instance of [NavButtonLayoutter]
*
* No layouts supported for configurations where:
* * taskbar isn't showing AND
* * the device is not in [phoneMode] OR
* * phone is showing
* * device is using gesture navigation
*
* @param navButtonsView ViewGroup that contains start, end, nav button ViewGroups
* @param isKidsMode no-op when taskbar is hidden/not showing
* @param isInSetup no-op when taskbar is hidden/not showing
* @param phoneMode refers to the device using the taskbar window on phones
* @param isThreeButtonNav are no-ops when taskbar is present/showing
*/
fun getUiLayoutter(
deviceProfile: DeviceProfile,
navButtonsView: FrameLayout,
resources: Resources,
isKidsMode: Boolean,
isInSetup: Boolean,
isThreeButtonNav: Boolean,
phoneMode: Boolean,
@Rotation surfaceRotation: Int
): NavButtonLayoutter {
val navButtonContainer =
navButtonsView.requireViewById<LinearLayout>(ID_END_NAV_BUTTONS)
val endContextualContainer =
navButtonsView.requireViewById<ViewGroup>(ID_END_CONTEXTUAL_BUTTONS)
val startContextualContainer =
navButtonsView.requireViewById<ViewGroup>(ID_START_CONTEXTUAL_BUTTONS)
val isPhoneNavMode = phoneMode && isThreeButtonNav
val isPhoneGestureMode = phoneMode && !isThreeButtonNav
return when {
isPhoneNavMode -> {
if (!deviceProfile.isLandscape) {
PhonePortraitNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
} else if (surfaceRotation == ROTATION_90) {
PhoneLandscapeNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
} else {
PhoneSeascapeNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
}
}
isPhoneGestureMode ->{
PhoneGestureLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
}
deviceProfile.isTaskbarPresent -> {
return when {
isInSetup -> {
SetupNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
}
isKidsMode -> {
KidsNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
}
else ->
TaskbarNavLayoutter(
resources,
navButtonContainer,
endContextualContainer,
startContextualContainer
)
}
}
else -> error("No layoutter found")
}
}
}
/** Lays out and provides access to the home, recents, and back buttons for various mischief */
interface NavButtonLayoutter {
fun layoutButtons(dp: DeviceProfile, isContextualButtonShowing: Boolean)
}
}
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