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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.Gravity
import android.view.ViewGroup
import android.widget.FrameLayout
import android.widget.LinearLayout
import com.android.launcher3.DeviceProfile
import com.android.launcher3.R
/** Layoutter for showing 3 button navigation on large screen */
class TaskbarNavLayoutter(
resources: Resources,
navBarContainer: LinearLayout,
endContextualContainer: ViewGroup,
startContextualContainer: ViewGroup
) :
AbstractNavButtonLayoutter(
resources,
navBarContainer,
endContextualContainer,
startContextualContainer
) {
override fun layoutButtons(dp: DeviceProfile, isContextualButtonShowing: Boolean) {
// Add spacing after the end of the last nav button
var navMarginEnd = resources.getDimension(dp.inv.inlineNavButtonsEndSpacing).toInt()
val contextualWidth = endContextualContainer.width
// If contextual buttons are showing, we check if the end margin is enough for the
// contextual button to be showing - if not, move the nav buttons over a smidge
if (isContextualButtonShowing && navMarginEnd < contextualWidth) {
// Additional spacing, eat up half of space between last icon and nav button
navMarginEnd += resources.getDimensionPixelSize(R.dimen.taskbar_hotseat_nav_spacing) / 2
}
val navButtonParams = FrameLayout.LayoutParams(
FrameLayout.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT)
navButtonParams.apply {
gravity = Gravity.END or Gravity.CENTER_VERTICAL
marginEnd = navMarginEnd
}
navButtonContainer.orientation = LinearLayout.HORIZONTAL
navButtonContainer.layoutParams = navButtonParams
// Add the spaces in between the nav buttons
val spaceInBetween = resources.getDimensionPixelSize(R.dimen.taskbar_button_space_inbetween)
for (i in 0 until navButtonContainer.childCount) {
val navButton = navButtonContainer.getChildAt(i)
val buttonLayoutParams = navButton.layoutParams as LinearLayout.LayoutParams
buttonLayoutParams.weight = 0f
when (i) {
0 -> {
buttonLayoutParams.marginEnd = spaceInBetween / 2
}
navButtonContainer.childCount - 1 -> {
buttonLayoutParams.marginStart = spaceInBetween / 2
}
else -> {
buttonLayoutParams.marginStart = spaceInBetween / 2
buttonLayoutParams.marginEnd = spaceInBetween / 2
}
}
}
}
}
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