111 lines
3.6 KiB
Kotlin
111 lines
3.6 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.os.Looper
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import android.util.AttributeSet
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import android.view.View
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import android.view.ViewStub
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import androidx.annotation.UiThread
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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.session.runWithSessionIdOrSelected
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import mozilla.components.browser.toolbar.BrowserToolbar
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import mozilla.components.concept.engine.EngineView
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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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import mozilla.components.support.base.feature.BackHandler
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import mozilla.components.support.base.feature.LifecycleAwareFeature
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import org.mozilla.fenix.test.Mockable
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/**
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* This class provides lazy loading of the Find in Page View.
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* It should be launched on the app's UI thread.
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*/
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@Mockable
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class FindInPageIntegration(
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private val sessionManager: SessionManager,
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private val sessionId: String? = null,
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private val stub: ViewStub,
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engineView: EngineView,
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private val toolbar: BrowserToolbar
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) : LifecycleAwareFeature, BackHandler {
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private var view: FindInPageView? = null
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private val feature: FindInPageFeature by lazy(LazyThreadSafetyMode.NONE) {
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view = stub.inflate() as FindInPageView
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FindInPageFeature(sessionManager, view!!, engineView, ::onClose).also { it.start() }
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}
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override fun start() {
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}
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override fun stop() {
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if (view != null) feature.stop()
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}
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override fun onBackPressed(): Boolean {
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return if (view != null) feature.onBackPressed() else false
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}
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private fun onClose() {
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toolbar.visibility = View.VISIBLE
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view?.asView()?.visibility = View.GONE
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}
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@UiThread
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fun launch() {
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require(Looper.myLooper() == Looper.getMainLooper()) { "This method should be run on the main UI thread." }
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sessionManager.runWithSessionIdOrSelected(sessionId) {
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if (!it.isCustomTabSession()) {
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toolbar.visibility = View.GONE
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}
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feature.bind(it)
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view?.asView()?.visibility = View.VISIBLE
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}
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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(
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parent: CoordinatorLayout,
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child: FindInPageBar,
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dependency: View
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): 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(
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parent: CoordinatorLayout,
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child: FindInPageBar,
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dependency: View
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): 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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