diff options
Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt')
| -rw-r--r-- | app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt | 167 |
1 files changed, 44 insertions, 123 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt b/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt index de7860da..a9cf0559 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebView.kt @@ -1,141 +1,62 @@ package com.pitchedapps.frost.web -import android.annotation.SuppressLint import android.content.Context -import android.support.v4.view.MotionEventCompat -import android.support.v4.view.NestedScrollingChild -import android.support.v4.view.NestedScrollingChildHelper -import android.support.v4.view.ViewCompat +import android.os.Build +import android.support.v4.widget.SwipeRefreshLayout import android.util.AttributeSet -import android.view.MotionEvent import android.view.View -import android.webkit.WebView -import com.pitchedapps.frost.events.WebEvent -import com.pitchedapps.frost.utils.ObservableContainer -import io.reactivex.subjects.BehaviorSubject -import io.reactivex.subjects.Subject -import org.greenrobot.eventbus.EventBus -import org.greenrobot.eventbus.Subscribe - -enum class WebStatus { - LOADING, LOADED, ERROR -} +import android.widget.FrameLayout +import android.widget.ProgressBar +import butterknife.ButterKnife +import com.pitchedapps.frost.R +import com.pitchedapps.frost.utils.L +import com.pitchedapps.frost.utils.bindView +import io.reactivex.android.schedulers.AndroidSchedulers /** - * Created by Allan Wang on 2017-05-29. - * - * Courtesy of takahirom - * - * https://github.com/takahirom/webview-in-coordinatorlayout/blob/master/app/src/main/java/com/github/takahirom/webview_in_coodinator_layout/NestedWebView.java + * Created by Allan Wang on 2017-06-01. */ -class FrostWebView @JvmOverloads constructor( - context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0 -) : WebView(context, attrs, defStyleAttr), NestedScrollingChild, ObservableContainer<WebStatus> { - - private val childHelper = NestedScrollingChildHelper(this) - private var lastY: Int = 0 - private val scrollOffset = IntArray(2) - private val scrollConsumed = IntArray(2) - private var nestedOffsetY: Int = 0 - override val observable: Subject<WebStatus> //TODO see if we need this - var baseUrl: String? = null +class FrostWebView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0, defStyleRes: Int = 0) + : FrameLayout(context, attrs, defStyleAttr, defStyleRes), SwipeRefreshLayout.OnRefreshListener { + var baseUrl: String? + get() = web.baseUrl + set(value) { + web.baseUrl = value + if (value != null) web.loadUrl(value) + } + val refresh: SwipeRefreshLayout by bindView(R.id.swipe_refresh) + val web: FrostWebViewCore by bindView(R.id.frost_webview_core) + val progress: ProgressBar by bindView(R.id.progressBar) init { - isNestedScrollingEnabled = true - observable = BehaviorSubject.create<WebStatus>() - setupWebview() - } - - @SuppressLint("SetJavaScriptEnabled") - fun setupWebview() { - settings.javaScriptEnabled = true - settings.domStorageEnabled = true - setLayerType(View.LAYER_TYPE_HARDWARE, null) - setWebViewClient(FrostWebViewClient(observable)) - setWebChromeClient(FrostChromeClient()) - } - - override fun loadUrl(url: String?) { - if (url != null) - super.loadUrl(url) - } - - override fun onTouchEvent(ev: MotionEvent): Boolean { - val event = MotionEvent.obtain(ev) - val action = MotionEventCompat.getActionMasked(event) - if (action == MotionEvent.ACTION_DOWN) - nestedOffsetY = 0 - val eventY = event.y.toInt() - event.offsetLocation(0f, nestedOffsetY.toFloat()) - val returnValue: Boolean - when (action) { - MotionEvent.ACTION_MOVE -> { - var deltaY = lastY - eventY - // NestedPreScroll - if (dispatchNestedPreScroll(0, deltaY, scrollConsumed, scrollOffset)) { - deltaY -= scrollConsumed[1] - event.offsetLocation(0f, -scrollOffset[1].toFloat()) - nestedOffsetY += scrollOffset[1] - } - lastY = eventY - scrollOffset[1] - returnValue = super.onTouchEvent(event) - // NestedScroll - if (dispatchNestedScroll(0, scrollOffset[1], 0, deltaY, scrollOffset)) { - event.offsetLocation(0f, scrollOffset[1].toFloat()) - nestedOffsetY += scrollOffset[1] - lastY -= scrollOffset[1] - } - } - MotionEvent.ACTION_DOWN -> { - returnValue = super.onTouchEvent(event) - lastY = eventY - startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL) - } - MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> { - returnValue = super.onTouchEvent(event) - stopNestedScroll() - } - else -> return false + inflate(getContext(), R.layout.swipe_webview, this) + ButterKnife.bind(this) + web.progressObservable.observeOn(AndroidSchedulers.mainThread()).subscribe { + val loaded = it == 100 + refresh.isRefreshing = !loaded + progress.visibility = if (loaded) View.INVISIBLE else View.VISIBLE + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progress.setProgress(it, true) + else progress.progress = it } - return returnValue - } + refresh.setOnRefreshListener(this) + addOnAttachStateChangeListener(object : OnAttachStateChangeListener { + override fun onViewDetachedFromWindow(v: View) { + web.visibility = View.VISIBLE + } - override fun onAttachedToWindow() { - super.onAttachedToWindow() - EventBus.getDefault().register(this); + override fun onViewAttachedToWindow(v: View) {} + }) } - override fun onDetachedFromWindow() { - EventBus.getDefault().unregister(this) - super.onDetachedFromWindow() + override fun onRefresh() { + web.reload() } - @Subscribe - fun webEvent(event: WebEvent) = event.execute(this) - - // Nested Scroll implements - override fun setNestedScrollingEnabled(enabled: Boolean) { - childHelper.isNestedScrollingEnabled = enabled + fun onBackPressed(): Boolean { + if (web.canGoBack()) { + web.goBack() + return true + } + return false } - - override fun isNestedScrollingEnabled() = childHelper.isNestedScrollingEnabled - - override fun startNestedScroll(axes: Int) = childHelper.startNestedScroll(axes) - - override fun stopNestedScroll() = childHelper.stopNestedScroll() - - override fun hasNestedScrollingParent() = childHelper.hasNestedScrollingParent() - - override fun dispatchNestedScroll(dxConsumed: Int, dyConsumed: Int, dxUnconsumed: Int, dyUnconsumed: Int, offsetInWindow: IntArray?) - = childHelper.dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, offsetInWindow) - - override fun dispatchNestedPreScroll(dx: Int, dy: Int, consumed: IntArray?, offsetInWindow: IntArray?) - = childHelper.dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow) - - override fun dispatchNestedFling(velocityX: Float, velocityY: Float, consumed: Boolean) - = childHelper.dispatchNestedFling(velocityX, velocityY, consumed) - - override fun dispatchNestedPreFling(velocityX: Float, velocityY: Float) - = childHelper.dispatchNestedPreFling(velocityX, velocityY) - }
\ No newline at end of file |