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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.focus.ext
import android.content.Context
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.view.isVisible
import mozilla.components.browser.toolbar.BrowserToolbar
import mozilla.components.concept.engine.EngineView
import mozilla.components.ui.widgets.behavior.EngineViewClippingBehavior
import mozilla.components.ui.widgets.behavior.EngineViewScrollingBehavior
import org.mozilla.focus.R
import mozilla.components.ui.widgets.behavior.ToolbarPosition as engineToolbarPosition
import mozilla.components.ui.widgets.behavior.ViewPosition as browserToolbarPosition
/**
* Collapse the toolbar and block it from appearing until calling [enableDynamicBehavior].
* Useful in situations like entering fullscreen.
*
* @param engineView [EngineView] previously set to react to toolbar's dynamic behavior.
* Will now go through a bit of cleanup to ensure everything will be displayed nicely even without a toolbar.
*/
fun BrowserToolbar.disableDynamicBehavior(engineView: EngineView) {
(layoutParams as? CoordinatorLayout.LayoutParams)?.behavior = null
engineView.setDynamicToolbarMaxHeight(0)
engineView.asView().translationY = 0f
(engineView.asView().layoutParams as? CoordinatorLayout.LayoutParams)?.behavior = null
}
/**
* Expand the toolbar and reenable the dynamic behavior.
* Useful after [disableDynamicBehavior] for situations like exiting fullscreen.
*
* @param context [Context] used in setting up the dynamic behavior.
* @param engineView [EngineView] that should react to toolbar's dynamic behavior.
*/
fun BrowserToolbar.enableDynamicBehavior(context: Context, engineView: EngineView) {
(layoutParams as? CoordinatorLayout.LayoutParams)?.behavior = EngineViewScrollingBehavior(
context,
null,
browserToolbarPosition.TOP,
)
val toolbarHeight = context.resources.getDimension(R.dimen.browser_toolbar_height).toInt()
engineView.setDynamicToolbarMaxHeight(toolbarHeight)
(engineView.asView().layoutParams as? CoordinatorLayout.LayoutParams)?.apply {
topMargin = 0
behavior = EngineViewClippingBehavior(
context,
null,
engineView.asView(),
toolbarHeight,
engineToolbarPosition.TOP,
)
}
}
/**
* Show this toolbar at the top of the screen, fixed in place, with the EngineView immediately below it.
*
* @param context [Context] used for various system interactions
* @param engineView [EngineView] that must be shown immediately below the toolbar.
*/
fun BrowserToolbar.showAsFixed(context: Context, engineView: EngineView) {
isVisible = true
engineView.setDynamicToolbarMaxHeight(0)
val toolbarHeight = context.resources.getDimension(R.dimen.browser_toolbar_height).toInt()
(engineView.asView().layoutParams as? CoordinatorLayout.LayoutParams)?.topMargin = toolbarHeight
}
/**
* Remove this toolbar from the screen and allow the EngineView to occupy the entire screen.
*
* @param engineView [EngineView] that will be configured to occupy the entire screen.
*/
fun BrowserToolbar.hide(engineView: EngineView) {
engineView.setDynamicToolbarMaxHeight(0)
(engineView.asView().layoutParams as? CoordinatorLayout.LayoutParams)?.topMargin = 0
isVisible = false
}