1
0
Fork 0
fenix/app/src/main/java/org/mozilla/fenix/components/Core.kt

88 lines
3.5 KiB
Kotlin

/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.components
import android.content.Context
import android.content.SharedPreferences
import android.preference.PreferenceManager
import mozilla.components.browser.engine.gecko.GeckoEngine
import mozilla.components.browser.session.Session
import mozilla.components.browser.session.SessionManager
import mozilla.components.browser.session.storage.SessionStorage
import mozilla.components.concept.engine.DefaultSettings
import mozilla.components.concept.engine.Engine
import mozilla.components.concept.engine.EngineSession.TrackingProtectionPolicy
import java.util.concurrent.TimeUnit
/**
* Component group for all core browser functionality.
*/
class Core(private val context: Context) {
/**
* The browser engine component initialized based on the build
* configuration (see build variants).
*/
val engine: Engine by lazy {
val prefs = PreferenceManager.getDefaultSharedPreferences(context)
val defaultSettings = DefaultSettings(
remoteDebuggingEnabled = false,
testingModeEnabled = false,
trackingProtectionPolicy = createTrackingProtectionPolicy(prefs)
)
GeckoEngine(context, defaultSettings)
}
/**
* The session manager component provides access to a centralized registry of
* all browser sessions (i.e. tabs). It is initialized here to persist and restore
* sessions from the [SessionStorage], and with a default session (about:blank) in
* case all sessions/tabs are closed.
*/
val sessionManager by lazy {
val sessionStorage = SessionStorage(context, engine)
SessionManager(engine, defaultSession = { Session("about:blank") }).apply {
sessionStorage.restore()?.let { snapshot -> restore(snapshot) }
if (size == 0) {
val initialSession = Session("https://www.mozilla.org")
add(initialSession)
}
sessionStorage.autoSave(this)
.periodicallyInForeground(interval = 30, unit = TimeUnit.SECONDS)
.whenGoingToBackground()
.whenSessionsChange()
}
}
/**
* Constructs a [TrackingProtectionPolicy] based on current preferences.
*
* @param prefs the shared preferences to use when reading tracking
* protection settings.
* @param normalMode whether or not tracking protection should be enabled
* in normal browsing mode, defaults to the current preference value.
* @param privateMode whether or not tracking protection should be enabled
* in private browsing mode, default to the current preference value.
* @return the constructed tracking protection policy based on preferences.
*/
fun createTrackingProtectionPolicy(
prefs: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context),
normalMode: Boolean = true,
privateMode: Boolean = true
): TrackingProtectionPolicy {
return when {
normalMode && privateMode -> TrackingProtectionPolicy.all()
normalMode && !privateMode -> TrackingProtectionPolicy.all().forRegularSessionsOnly()
!normalMode && privateMode -> TrackingProtectionPolicy.all().forPrivateSessionsOnly()
else -> TrackingProtectionPolicy.none()
}
}
}