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Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebViewClients.kt')
| -rw-r--r-- | app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebViewClients.kt | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebViewClients.kt b/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebViewClients.kt new file mode 100644 index 00000000..3e6ddd06 --- /dev/null +++ b/app/src/main/kotlin/com/pitchedapps/frost/web/FrostWebViewClients.kt @@ -0,0 +1,172 @@ +package com.pitchedapps.frost.web + +import android.content.Context +import android.graphics.Bitmap +import android.webkit.WebResourceRequest +import android.webkit.WebResourceResponse +import android.webkit.WebView +import android.webkit.WebViewClient +import com.pitchedapps.frost.activities.LoginActivity +import com.pitchedapps.frost.activities.MainActivity +import com.pitchedapps.frost.activities.SelectorActivity +import com.pitchedapps.frost.facebook.FACEBOOK_COM +import com.pitchedapps.frost.facebook.FB_URL_BASE +import com.pitchedapps.frost.facebook.FbCookie +import com.pitchedapps.frost.injectors.* +import com.pitchedapps.frost.utils.* +import io.reactivex.subjects.Subject + +/** + * Created by Allan Wang on 2017-05-31. + * + * Collection of webview clients + */ + +/** + * The base of all webview clients + * Used to ensure that resources are properly intercepted + */ +open class BaseWebViewClient : WebViewClient() { + + override fun shouldInterceptRequest(view: WebView, request: WebResourceRequest): WebResourceResponse? + = shouldFrostInterceptRequest(view, request) + +} + +/** + * The default webview client + */ +open class FrostWebViewClient(val webCore: FrostWebViewCore) : BaseWebViewClient() { + + val refreshObservable: Subject<Boolean> = webCore.refreshObservable + + override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) { + super.onPageStarted(view, url, favicon) + L.i("FWV Loading $url") +// L.v("Cookies ${CookieManager.getInstance().getCookie(url)}") + refreshObservable.onNext(true) + if (!url.contains(FACEBOOK_COM)) return + if (url.contains("logout.php")) FbCookie.logout(Prefs.userId, { launchLogin(view.context) }) + else if (url.contains("login.php")) FbCookie.reset({ launchLogin(view.context) }) + } + + fun launchLogin(c: Context) { + if (c is MainActivity && c.cookies().isNotEmpty()) + c.launchNewTask(SelectorActivity::class.java, c.cookies()) + else + c.launchNewTask(LoginActivity::class.java) + } + + override fun onPageFinished(view: WebView, url: String) { + super.onPageFinished(view, url) + L.i("Page finished $url") + if (!url.contains(FACEBOOK_COM)) { + refreshObservable.onNext(false) + return + } + view.jsInject( + CssAssets.ROUND_ICONS.maybe(Prefs.showRoundedIcons), + CssHider.PEOPLE_YOU_MAY_KNOW.maybe(!Prefs.showSuggestedFriends && Prefs.pro), + CssHider.ADS.maybe(!Prefs.showFacebookAds && Prefs.pro) + ) + onPageFinishedActions(url) + } + + open internal fun onPageFinishedActions(url: String) { + injectAndFinish() + } + + internal fun injectAndFinish() { + L.d("Page finished reveal") + webCore.jsInject(CssHider.HEADER, + Prefs.themeInjector, + callback = { + refreshObservable.onNext(false) + webCore.jsInject( + JsActions.LOGIN_CHECK, + JsAssets.CLICK_A.maybe(webCore.baseEnum != null && Prefs.overlayEnabled), + JsAssets.CONTEXT_A, + JsAssets.HEADER_BADGES.maybe(webCore.baseEnum != null) + ) + }) + } + + open fun handleHtml(html: String) { + L.d("Handle Html") + } + + open fun emit(flag: Int) { + L.d("Emit $flag") + } + + /** + * Helper to format the request and launch it + * returns true to override the url + */ + private fun launchRequest(request: WebResourceRequest): Boolean { + L.d("Launching ${request.url}") + webCore.context.launchWebOverlay(request.url.toString()) + return true + } + + override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean { + L.i("Url Loading ${request.url}") + val path = request.url.path ?: return super.shouldOverrideUrlLoading(view, request) + if (path.startsWith("/composer/")) return launchRequest(request) + return super.shouldOverrideUrlLoading(view, request) + } + +} + +/** + * Client variant for the menu view + */ +class FrostWebViewClientMenu(webCore: FrostWebViewCore) : FrostWebViewClient(webCore) { + + private val String.shouldInjectMenu + get() = when (removePrefix(FB_URL_BASE)) { + "settings", + "settings#", + "settings#!/settings?soft=bookmarks" -> true + else -> false + } + + override fun onPageFinished(view: WebView, url: String) { + super.onPageFinished(view, url) + if (url.shouldInjectMenu) jsInject(JsAssets.MENU) + } + + override fun emit(flag: Int) { + super.emit(flag) + super.injectAndFinish() + } + + override fun onPageFinishedActions(url: String) { + if (!url.shouldInjectMenu) injectAndFinish() + } +} + +/** + * Headless client that injects content after a page load + * The JSI is meant to handle everything else + */ +class HeadlessWebViewClient(val tag: String, val postInjection: InjectorContract) : BaseWebViewClient() { + + override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) { + super.onPageStarted(view, url, favicon) + L.d("Headless Page $tag Started", url) + } + + override fun onPageFinished(view: WebView, url: String) { + super.onPageFinished(view, url) + L.d("Headless Page $tag Finished", url) + postInjection.inject(view) + } + + /** + * In addition to general filtration, we will also strip away css and images + */ + override fun shouldInterceptRequest(view: WebView, request: WebResourceRequest): WebResourceResponse? + = super.shouldInterceptRequest(view, request).filterCss(request).filterImage(request) + +}
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