95 lines
3.2 KiB
Kotlin
95 lines
3.2 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.components
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import android.content.Context
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import android.util.AttributeSet
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.LifecycleObserver
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import androidx.lifecycle.OnLifecycleEvent
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import android.view.View
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import androidx.coordinatorlayout.widget.CoordinatorLayout
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import mozilla.components.browser.session.SessionManager
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import mozilla.components.browser.toolbar.BrowserToolbar
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import mozilla.components.feature.findinpage.FindInPageFeature
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import mozilla.components.feature.findinpage.view.FindInPageBar
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import mozilla.components.feature.findinpage.view.FindInPageView
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class FindInPageIntegration(
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private val sessionManager: SessionManager,
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private val view: FindInPageView
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) : LifecycleObserver {
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private val feature = FindInPageFeature(sessionManager, view, ::onClose)
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@OnLifecycleEvent(Lifecycle.Event.ON_START)
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fun onStart() {
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feature.start()
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FindInPageIntegration.launch = this::launch
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}
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@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
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fun onStop() {
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feature.stop()
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FindInPageIntegration.launch = null
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}
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fun onBackPressed(): Boolean {
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return feature.onBackPressed()
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}
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private fun onClose() {
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view.asView().visibility = View.GONE
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}
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private fun launch() {
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val session = sessionManager.selectedSession ?: return
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view.asView().visibility = View.VISIBLE
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feature.bind(session)
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}
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companion object {
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// This is a workaround to let the menu item find this integration and active "Find in Page" mode. That's a bit
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// ridiculous and there's no need that we create the toolbar menu items at app start time. Instead the
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// ToolbarIntegration should create them and get the FindInPageIntegration injected as a dependency if the
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// menu items need them.
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var launch: (() -> Unit)? = null
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private set
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}
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}
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/**
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* [CoordinatorLayout.Behavior] that will always position the [FindInPageBar] above the [BrowserToolbar] (including
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* when the browser toolbar is scrolling or performing a snap animation).
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*/
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@Suppress("unused") // Referenced from XML
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class FindInPageBarBehavior(
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context: Context,
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attrs: AttributeSet
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) : CoordinatorLayout.Behavior<FindInPageBar>(context, attrs) {
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override fun layoutDependsOn(parent: CoordinatorLayout, child: FindInPageBar, dependency: View): Boolean {
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if (dependency is BrowserToolbar) {
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return true
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}
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return super.layoutDependsOn(parent, child, dependency)
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}
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override fun onDependentViewChanged(parent: CoordinatorLayout, child: FindInPageBar, dependency: View): Boolean {
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return if (dependency is BrowserToolbar) {
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repositionFindInPageBar(child, dependency)
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true
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} else {
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false
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}
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}
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private fun repositionFindInPageBar(findInPageView: FindInPageBar, toolbar: BrowserToolbar) {
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findInPageView.translationY = (toolbar.translationY + toolbar.height * -1.0).toFloat()
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}
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}
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