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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
 * Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

package org.mozilla.geckoview.test

import android.content.pm.ActivityInfo
import android.content.res.Configuration
import androidx.test.ext.junit.rules.ActivityScenarioRule
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.MediumTest
import org.hamcrest.Matchers.* // ktlint-disable no-wildcard-imports
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.RuleChain
import org.junit.runner.RunWith
import org.mozilla.geckoview.* // ktlint-disable no-wildcard-imports
import org.mozilla.geckoview.GeckoSession.ContentDelegate
import org.mozilla.geckoview.OrientationController
import org.mozilla.geckoview.test.rule.GeckoSessionTestRule
import org.mozilla.geckoview.test.rule.GeckoSessionTestRule.AssertCalled
import org.mozilla.geckoview.test.rule.GeckoSessionTestRule.WithDisplay

@RunWith(AndroidJUnit4::class)
@MediumTest
class OrientationDelegateTest : BaseSessionTest() {
    val activityRule = ActivityScenarioRule(GeckoViewTestActivity::class.java)

    @get:Rule
    override val rules: RuleChain = RuleChain.outerRule(activityRule).around(sessionRule)

    @Before
    fun setup() {
        sessionRule.setPrefsUntilTestEnd(mapOf("dom.screenorientation.allow-lock" to true))
    }

    private fun goFullscreen() {
        sessionRule.setPrefsUntilTestEnd(mapOf("full-screen-api.allow-trusted-requests-only" to false))
        mainSession.loadTestPath(FULLSCREEN_PATH)
        mainSession.waitForPageStop()
        val promise = mainSession.evaluatePromiseJS("document.querySelector('#fullscreen').requestFullscreen()")
        sessionRule.waitUntilCalled(object : ContentDelegate {
            @AssertCalled(count = 1)
            override fun onFullScreen(session: GeckoSession, fullScreen: Boolean) {
                assertThat("Div went fullscreen", fullScreen, equalTo(true))
            }
        })
        promise.value
    }

    private fun lockPortrait() {
        val promise = mainSession.evaluatePromiseJS("screen.orientation.lock('portrait-primary')")
        sessionRule.delegateDuringNextWait(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationLock(aOrientation: Int): GeckoResult<AllowOrDeny> {
                assertThat(
                    "The orientation should be portrait",
                    aOrientation,
                    equalTo(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT),
                )
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = aOrientation
                }
                return GeckoResult.allow()
            }
        })
        sessionRule.runtime.orientationChanged(Configuration.ORIENTATION_PORTRAIT)
        promise.value
        // Remove previous delegate
        mainSession.waitForRoundTrip()
    }

    private fun lockLandscape() {
        val promise = mainSession.evaluatePromiseJS("screen.orientation.lock('landscape-primary')")
        sessionRule.delegateDuringNextWait(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationLock(aOrientation: Int): GeckoResult<AllowOrDeny> {
                assertThat(
                    "The orientation should be landscape",
                    aOrientation,
                    equalTo(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE),
                )
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = aOrientation
                }
                return GeckoResult.allow()
            }
        })
        sessionRule.runtime.orientationChanged(Configuration.ORIENTATION_LANDSCAPE)
        promise.value
        // Remove previous delegate
        mainSession.waitForRoundTrip()
    }

    @Test fun orientationLock() {
        goFullscreen()
        activityRule.scenario.onActivity { activity ->
            // If the orientation is landscape, lock to portrait and wait for delegate. If portrait, lock to landscape instead.
            if (activity.resources.configuration.orientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
                lockPortrait()
            } else if (activity.resources.configuration.orientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
                lockLandscape()
            }
        }
    }

    @Test fun orientationUnlock() {
        goFullscreen()
        mainSession.evaluateJS("screen.orientation.unlock()")
        sessionRule.waitUntilCalled(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationUnlock() {
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
                }
            }
        })
    }

    @Test fun orientationLockedAlready() {
        goFullscreen()
        // Lock to landscape twice to verify successful locking with existing lock
        lockLandscape()
        lockLandscape()
    }

    @Test fun orientationLockedExistingOrientation() {
        goFullscreen()

        val promise = mainSession.evaluatePromiseJS(
            """
            new Promise(resolve => {
                if (screen.orientation.type == "landscape-primary") {
                    resolve();
                }
                screen.orientation.addEventListener("change", e => {
                    if (screen.orientation.type == "landscape-primary") {
                        resolve();
                    }
                }, { once: true });
            })
            """.trimIndent(),
        )

        // Lock to landscape twice to verify successful locking to existing orientation
        activityRule.scenario.onActivity { activity ->
            activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
        }
        // Wait for orientation change by activity.requestedOrientation.
        promise.value
        lockLandscape()
    }

    @Test(expected = GeckoSessionTestRule.RejectedPromiseException::class)
    fun orientationLockNoFullscreen() {
        // Verify if fullscreen pre-lock conditions are not met, a rejected promise is returned.
        mainSession.loadTestPath(FULLSCREEN_PATH)
        mainSession.waitForPageStop()
        mainSession.evaluateJS("screen.orientation.lock('landscape-primary')")
    }

    @Test fun orientationLockUnlock() {
        goFullscreen()

        val promise = mainSession.evaluatePromiseJS("screen.orientation.lock('landscape-primary')")
        sessionRule.delegateDuringNextWait(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationLock(aOrientation: Int): GeckoResult<AllowOrDeny> {
                assertThat(
                    "The orientation value is as expected",
                    aOrientation,
                    equalTo(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE),
                )
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = aOrientation
                }
                return GeckoResult.allow()
            }
        })
        sessionRule.runtime.orientationChanged(Configuration.ORIENTATION_LANDSCAPE)
        promise.value
        // Remove previous delegate
        mainSession.waitForRoundTrip()

        // after locking to orientation landscape, unlock to default
        mainSession.evaluateJS("screen.orientation.unlock()")
        sessionRule.waitUntilCalled(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationUnlock() {
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
                }
            }
        })
    }

    @Test fun orientationLockUnsupported() {
        // If no delegate, orientation.lock must throws NotSupportedError
        goFullscreen()

        val promise = mainSession.evaluatePromiseJS(
            """
          new Promise(r => {
            screen.orientation.lock('landscape-primary')
            .then(() => r("successful"))
            .catch(e => r(e.name))
          })
            """.trimIndent(),
        )

        assertThat(
            "The operation must throw NotSupportedError",
            promise.value,
            equalTo("NotSupportedError"),
        )

        val promise2 = mainSession.evaluatePromiseJS(
            """
          new Promise(r => {
            screen.orientation.lock(screen.orientation.type)
            .then(() => r("successful"))
            .catch(e => r(e.name))
          })
            """.trimIndent(),
        )

        assertThat(
            "The operation must throw NotSupportedError even if same orientation",
            promise2.value,
            equalTo("NotSupportedError"),
        )
    }

    @WithDisplay(width = 300, height = 200)
    @Test
    fun orientationUnlockByExitFullscreen() {
        goFullscreen()
        activityRule.scenario.onActivity { activity ->
            // If the orientation is landscape, lock to portrait and wait for delegate. If portrait, lock to landscape instead.
            if (activity.resources.configuration.orientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
                lockPortrait()
            } else if (activity.resources.configuration.orientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
                lockLandscape()
            }
        }

        val promise = mainSession.evaluatePromiseJS("document.exitFullscreen()")
        sessionRule.waitUntilCalled(object : ContentDelegate, OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onFullScreen(session: GeckoSession, fullScreen: Boolean) {
                assertThat("Exited fullscreen", fullScreen, equalTo(false))
            }

            @AssertCalled(count = 1)
            override fun onOrientationUnlock() {
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
                }
            }
        })
        promise.value
    }

    @WithDisplay(width = 200, height = 300)
    @Test
    fun orientationNatural() {
        goFullscreen()

        // Set orientation to landscape since natural is portrait.
        var promise = mainSession.evaluatePromiseJS(
            """
            new Promise(resolve => {
                if (screen.orientation.type == "landscape-primary") {
                    resolve();
                }
                screen.orientation.addEventListener("change", e => {
                    if (screen.orientation.type == "landscape-primary") {
                        resolve();
                    }
                }, { once: true });
            })
            """.trimIndent(),
        )

        activityRule.scenario.onActivity { activity ->
            activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
        }
        // Wait for orientation change by activity.requestedOrientation.
        promise.value

        sessionRule.delegateDuringNextWait(object : OrientationController.OrientationDelegate {
            @AssertCalled(count = 1)
            override fun onOrientationLock(aOrientation: Int): GeckoResult<AllowOrDeny> {
                assertThat(
                    "The orientation should be portrait",
                    aOrientation,
                    equalTo(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT),
                )
                activityRule.scenario.onActivity { activity ->
                    activity.requestedOrientation = aOrientation
                }
                return GeckoResult.allow()
            }
        })
        promise = mainSession.evaluatePromiseJS("screen.orientation.lock('natural')")
        promise.value
        // Remove previous delegate
        mainSession.waitForRoundTrip()
    }
}