Merge "Adding Skeleton Code for Customizable Taksbar" into main
diff --git a/quickstep/res/layout/customizable_taskbar.xml b/quickstep/res/layout/customizable_taskbar.xml
new file mode 100644
index 0000000..e1a80ae
--- /dev/null
+++ b/quickstep/res/layout/customizable_taskbar.xml
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2024 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.
+-->
+<com.android.launcher3.taskbar.TaskbarDragLayer
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/taskbar_container"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:clipChildren="false">
+
+    <!-- TODO(b/349885828) : to be removed in future cl. -->
+    <com.android.launcher3.taskbar.TaskbarView
+        android:id="@+id/taskbar_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:focusable="true"
+        android:importantForAccessibility="yes"
+        android:forceHasOverlappingRendering="false"
+        android:layout_gravity="bottom"
+        android:layout_marginBottom="@dimen/transient_taskbar_bottom_margin"
+        android:clipChildren="false" />
+
+    <com.android.launcher3.taskbar.customization.CustomizableTaskbarView
+        android:id="@+id/customizable_taskbar_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:focusable="true"
+        android:importantForAccessibility="yes"
+        android:forceHasOverlappingRendering="false"
+        android:layout_gravity="bottom"
+        android:layout_marginBottom="@dimen/transient_taskbar_bottom_margin"
+        android:clipChildren="false" />
+
+    <com.android.launcher3.taskbar.TaskbarScrimView
+        android:id="@+id/taskbar_scrim"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+    <com.android.launcher3.taskbar.bubbles.BubbleBarView
+        android:id="@+id/taskbar_bubbles"
+        android:layout_width="wrap_content"
+        android:layout_height="@dimen/bubblebar_size_with_pointer"
+        android:layout_gravity="bottom|end"
+        android:layout_marginHorizontal="@dimen/transient_taskbar_bottom_margin"
+        android:paddingTop="@dimen/bubblebar_pointer_visible_size"
+        android:paddingEnd="@dimen/taskbar_icon_spacing"
+        android:paddingStart="@dimen/taskbar_icon_spacing"
+        android:visibility="gone"
+        android:gravity="center"
+        android:clipChildren="false"
+        android:elevation="@dimen/bubblebar_elevation"
+        />
+
+    <com.android.launcher3.taskbar.navbutton.NearestTouchFrame
+        android:id="@+id/navbuttons_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom" >
+
+        <FrameLayout
+            android:id="@+id/start_contextual_buttons"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:paddingStart="@dimen/taskbar_contextual_button_padding"
+            android:paddingEnd="@dimen/taskbar_contextual_button_padding"
+            android:paddingTop="@dimen/taskbar_contextual_padding_top"
+            android:gravity="center_vertical"
+            android:layout_gravity="start"/>
+
+        <LinearLayout
+            android:id="@+id/end_nav_buttons"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:orientation="horizontal"
+            android:gravity="center_vertical"
+            android:layout_gravity="end"/>
+
+        <FrameLayout
+            android:id="@+id/end_contextual_buttons"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:paddingTop="@dimen/taskbar_contextual_padding_top"
+            android:gravity="center_vertical"
+            android:layout_gravity="end"/>
+    </com.android.launcher3.taskbar.navbutton.NearestTouchFrame>
+
+    <com.android.launcher3.taskbar.StashedHandleView
+        android:id="@+id/stashed_handle"
+        tools:comment1="The actual size and shape will be set as a ViewOutlineProvider at runtime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/taskbar_stashed_handle_dark_color"
+        android:clipToOutline="true"
+        android:layout_gravity="bottom"/>
+
+    <com.android.launcher3.taskbar.StashedHandleView
+        android:id="@+id/stashed_bubble_handle"
+        tools:comment1="The actual size and shape will be set as a ViewOutlineProvider at runtime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        android:background="@color/taskbar_stashed_handle_dark_color"
+        android:clipToOutline="true"
+        android:layout_gravity="bottom"/>
+
+</com.android.launcher3.taskbar.TaskbarDragLayer>
\ No newline at end of file
diff --git a/quickstep/res/layout/customizable_taskbar_view.xml b/quickstep/res/layout/customizable_taskbar_view.xml
new file mode 100644
index 0000000..f55e1d0
--- /dev/null
+++ b/quickstep/res/layout/customizable_taskbar_view.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2024 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.
+-->
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <com.android.launcher3.taskbar.customization.TaskbarAllAppsButtonContainer
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="@id/guideline1"/>
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.1" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.5" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.7" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.9" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/quickstep/src/com/android/launcher3/taskbar/customization/CustomizableTaskbarView.kt b/quickstep/src/com/android/launcher3/taskbar/customization/CustomizableTaskbarView.kt
new file mode 100644
index 0000000..e384586
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/customization/CustomizableTaskbarView.kt
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 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.customization
+
+import android.content.Context
+import android.graphics.Rect
+import android.util.AttributeSet
+import androidx.constraintlayout.widget.ConstraintLayout
+import com.android.launcher3.Insettable
+import com.android.launcher3.R
+import com.android.launcher3.taskbar.TaskbarActivityContext
+import com.android.launcher3.views.ActivityContext
+
+/** TaskbarView that is customizeable via Taskbar containers. */
+class CustomizableTaskbarView(context: Context, attrs: AttributeSet? = null) :
+    ConstraintLayout(context, attrs), Insettable {
+    private val activityContext: TaskbarActivityContext = ActivityContext.lookupContext(context)
+
+    init {
+        inflate(context, R.layout.customizable_taskbar_view, this)
+    }
+
+    override fun setInsets(insets: Rect?) {
+        // Ignore, we just implement Insettable to draw behind system insets.
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/customization/TaskbarAllAppsButtonContainer.kt b/quickstep/src/com/android/launcher3/taskbar/customization/TaskbarAllAppsButtonContainer.kt
new file mode 100644
index 0000000..415a051
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/customization/TaskbarAllAppsButtonContainer.kt
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2024 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.customization
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.widget.LinearLayout
+import androidx.annotation.DimenRes
+import androidx.annotation.DrawableRes
+import androidx.core.view.setPadding
+import com.android.launcher3.R
+import com.android.launcher3.Utilities.dpToPx
+import com.android.launcher3.config.FeatureFlags
+import com.android.launcher3.taskbar.TaskbarActivityContext
+import com.android.launcher3.views.ActivityContext
+import com.android.launcher3.views.IconButtonView
+
+/** Taskbar all apps button container for customizable taskbar. */
+class TaskbarAllAppsButtonContainer
+@JvmOverloads
+constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0,
+) : LinearLayout(context, attrs), TaskbarContainer {
+
+    private val allAppsButton: IconButtonView =
+        LayoutInflater.from(context).inflate(R.layout.taskbar_all_apps_button, this, false)
+            as IconButtonView
+    private val activityContext: TaskbarActivityContext = ActivityContext.lookupContext(context)
+
+    override val spaceNeeded: Int
+        get() {
+            return dpToPx(activityContext.taskbarSpecsEvaluator.taskbarIconSize.size.toFloat())
+        }
+
+    init {
+        setUpIcon()
+    }
+
+    @SuppressLint("UseCompatLoadingForDrawables", "ResourceAsColor")
+    private fun setUpIcon() {
+        val drawable =
+            resources.getDrawable(
+                getAllAppsButton(activityContext.taskbarFeatureEvaluator.isTransient)
+            )
+        val padding = activityContext.taskbarSpecsEvaluator.taskbarIconPadding
+
+        allAppsButton.setIconDrawable(drawable)
+        allAppsButton.setPadding(/* left= */ padding)
+        allAppsButton.setForegroundTint(activityContext.getColor(R.color.all_apps_button_color))
+
+        // TODO(jagrutdesai) : add click listeners in future cl
+        addView(allAppsButton)
+    }
+
+    @DrawableRes
+    private fun getAllAppsButton(isTransientTaskbar: Boolean): Int {
+        val shouldSelectTransientIcon =
+            isTransientTaskbar ||
+                (FeatureFlags.enableTaskbarPinning() && !activityContext.isThreeButtonNav)
+        return if (FeatureFlags.ENABLE_ALL_APPS_SEARCH_IN_TASKBAR.get()) {
+            if (shouldSelectTransientIcon) R.drawable.ic_transient_taskbar_all_apps_search_button
+            else R.drawable.ic_taskbar_all_apps_search_button
+        } else {
+            if (shouldSelectTransientIcon) R.drawable.ic_transient_taskbar_all_apps_button
+            else R.drawable.ic_taskbar_all_apps_button
+        }
+    }
+
+    @DimenRes
+    fun getAllAppsButtonTranslationXOffset(isTransientTaskbar: Boolean): Int {
+        return if (isTransientTaskbar) {
+            R.dimen.transient_taskbar_all_apps_button_translation_x_offset
+        } else if (FeatureFlags.ENABLE_ALL_APPS_SEARCH_IN_TASKBAR.get()) {
+            R.dimen.taskbar_all_apps_search_button_translation_x_offset
+        } else {
+            R.dimen.taskbar_all_apps_button_translation_x_offset
+        }
+    }
+}