NativeScript/application/application.android.ts at patch-1 · rclai/NativeScript · GitHub

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import appModule = require("./application-common");

import dts = require("application");

import frame = require("ui/frame");

import types = require("utils/types");

import observable = require("data/observable");

import enums = require("ui/enums");

import fileResolverModule = require("file-system/file-name-resolver");

global.moduleMerge(appModule, exports);

// We are using the exports object for the common events since we merge the appModule with this module's exports, which is what users will receive when require("application") is called;

// TODO: This is kind of hacky and is "pure JS in TypeScript"

var initEvents = function () {

var androidApp: dts.AndroidApplication = exports.android;

// TODO: Verify whether the logic for triggerring application-wide events based on Activity callbacks is working properly

var lifecycleCallbacks = new android.app.Application.ActivityLifecycleCallbacks({

onActivityCreated: function (activity: any, bundle: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

if (!androidApp.startActivity) {

androidApp.startActivity = activity;

androidApp.notify(<dts.AndroidActivityBundleEventData>{ eventName: "activityCreated", object: androidApp, activity: activity, bundle: bundle });

if (androidApp.onActivityCreated) {

androidApp.onActivityCreated(activity, bundle);

}

androidApp.currentContext = activity;

onActivityDestroyed: function (activity: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

// Clear the current activity reference to prevent leak

if (activity === androidApp.foregroundActivity) {

androidApp.foregroundActivity = undefined;

}

if (activity === androidApp.currentContext) {

androidApp.currentContext = undefined;

}

if (activity === androidApp.startActivity) {

if (exports.onExit) {

exports.onExit();

}

exports.notify(<dts.ApplicationEventData>{ eventName: dts.exitEvent, object: androidApp, android: activity });

androidApp.startActivity = undefined;

}

androidApp.notify(<dts.AndroidActivityEventData>{ eventName: "activityDestroyed", object: androidApp, activity: activity });

if (androidApp.onActivityDestroyed) {

androidApp.onActivityDestroyed(activity);

}

// TODO: This is a temporary workaround to force the V8's Garbage Collector, which will force the related Java Object to be collected.

gc();

onActivityPaused: function (activity: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

(<any>androidApp).paused = true;

if (activity === androidApp.foregroundActivity) {

if (exports.onSuspend) {

exports.onSuspend();

}

exports.notify(<dts.ApplicationEventData>{ eventName: dts.suspendEvent, object: androidApp, android: activity });

}

androidApp.notify(<dts.AndroidActivityEventData>{ eventName: "activityPaused", object: androidApp, activity: activity });

if (androidApp.onActivityPaused) {

androidApp.onActivityPaused(activity);

}

onActivityResumed: function (activity: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

(<any>androidApp).paused = false;

if (activity === androidApp.foregroundActivity) {

if (exports.onResume) {

exports.onResume();

}

exports.notify(<dts.ApplicationEventData>{ eventName: dts.resumeEvent, object: androidApp, android: activity });

}

androidApp.notify(<dts.AndroidActivityEventData>{ eventName: "activityResumed", object: androidApp, activity: activity });

if (androidApp.onActivityResumed) {

androidApp.onActivityResumed(activity);

}

onActivitySaveInstanceState: function (activity: any, bundle: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

androidApp.notify(<dts.AndroidActivityBundleEventData>{ eventName: "saveActivityState", object: androidApp, activity: activity, bundle: bundle });

if (androidApp.onSaveActivityState) {

androidApp.onSaveActivityState(activity, bundle);

}

onActivityStarted: function (activity: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

androidApp.foregroundActivity = activity;

androidApp.notify(<dts.AndroidActivityEventData>{ eventName: "activityStarted", object: androidApp, activity: activity });

if (androidApp.onActivityStarted) {

androidApp.onActivityStarted(activity);

}

onActivityStopped: function (activity: any) {

if (!(activity instanceof (<any>com).tns.NativeScriptActivity)) {

return;

}

androidApp.notify(<dts.AndroidActivityEventData>{ eventName: "activityStopped", object: androidApp, activity: activity });

if (androidApp.onActivityStopped) {

androidApp.onActivityStopped(activity);

}

});

return lifecycleCallbacks;

}

app.init({

getActivity: function (activity: android.app.Activity) {

var intent = activity.getIntent()

return exports.android.getActivity(intent);

onCreate: function () {

exports.android.init(this);

}

});

export class AndroidApplication extends observable.Observable implements dts.AndroidApplication {

public static activityCreatedEvent = "activityCreated";

public static activityDestroyedEvent = "activityDestroyed";

public static activityStartedEvent = "activityStarted";

public static activityPausedEvent = "activityPaused";

public static activityResumedEvent = "activityResumed";

public static activityStoppedEvent = "activityStopped";

public static saveActivityStateEvent = "saveActivityState";

public static activityResultEvent = "activityResult";

public static activityBackPressedEvent = "activityBackPressed";

public nativeApp: android.app.Application;

public context: android.content.Context;

public currentContext: android.content.Context;

public foregroundActivity: android.app.Activity;

public startActivity: android.app.Activity;

public packageName: string;

public hasActionBar: boolean;

public onActivityCreated: (activity: android.app.Activity, bundle: android.os.Bundle) => void;

public onActivityDestroyed: (activity: android.app.Activity) => void;

public onActivityStarted: (activity: android.app.Activity) => void;

public onActivityPaused: (activity: android.app.Activity) => void;

public onActivityResumed: (activity: android.app.Activity) => void;

public onActivityStopped: (activity: android.app.Activity) => void;

public onSaveActivityState: (activity: android.app.Activity, bundle: android.os.Bundle) => void;

public onActivityResult: (requestCode: number, resultCode: number, data: android.content.Intent) => void;

private _eventsToken: any;

public getActivity(intent: android.content.Intent): Object {

if (intent && intent.getAction() === android.content.Intent.ACTION_MAIN) {

// application's main activity

if (exports.onLaunch) {

exports.onLaunch(intent);

}

exports.notify({ eventName: dts.launchEvent, object: this, android: intent });

setupOrientationListener(this);

/* In the onLaunch event we expect the following setup, which ensures a root frame:

* var frame = require("ui/frame");

* var rootFrame = new frame.Frame();

* rootFrame.navigate({ pageModuleName: "mainPage" });

}

var topFrame = frame.topmost();

if (!topFrame) {

// try to navigate to the mainEntry/Module (if specified)

var navParam = dts.mainEntry;

if (!navParam) {

navParam = dts.mainModule;

}

if (navParam) {

topFrame = new frame.Frame();

topFrame.navigate(navParam);

} else {

// TODO: Throw an exception?

throw new Error("A Frame must be used to navigate to a Page.");

}

return topFrame.android.onActivityRequested(intent);

}

public init(nativeApp: any) {

this.nativeApp = nativeApp;

this.packageName = nativeApp.getPackageName();

this.context = nativeApp.getApplicationContext();

this._eventsToken = initEvents();

this.nativeApp.registerActivityLifecycleCallbacks(this._eventsToken);

this._registerPendingReceivers();

}

private _registeredReceivers = {};

private _pendingReceiverRegistrations = new Array<(context: android.content.Context) => void>();

private _registerPendingReceivers() {

if (this._pendingReceiverRegistrations) {

var i = 0;

var length = this._pendingReceiverRegistrations.length;

for (; i < length; i++) {

var registerFunc = this._pendingReceiverRegistrations[i];

registerFunc(this.context);

}

this._pendingReceiverRegistrations = new Array<(context: android.content.Context) => void>();

}

public registerBroadcastReceiver(intentFilter: string, onReceiveCallback: (context: android.content.Context, intent: android.content.Intent) => void) {

var that = this;

var registerFunc = function (context: android.content.Context) {

var receiver = new BroadcastReceiver(onReceiveCallback);

context.registerReceiver(receiver, new android.content.IntentFilter(intentFilter));

that._registeredReceivers[intentFilter] = receiver;

}

if (this.context) {

registerFunc(this.context);

}

else {

this._pendingReceiverRegistrations.push(registerFunc);

}

public unregisterBroadcastReceiver(intentFilter: string) {

var receiver = this._registeredReceivers[intentFilter];

if (receiver) {

this.context.unregisterReceiver(receiver);

this._registeredReceivers[intentFilter] = undefined;

delete this._registeredReceivers[intentFilter];

}

class BroadcastReceiver extends android.content.BroadcastReceiver {

private _onReceiveCallback: (context: android.content.Context, intent: android.content.Intent) => void;

constructor(onReceiveCallback: (context: android.content.Context, intent: android.content.Intent) => void) {

super();

this._onReceiveCallback = onReceiveCallback;

return global.__native(this);

}

public onReceive(context: android.content.Context, intent: android.content.Intent) {

if (this._onReceiveCallback) {

this._onReceiveCallback(context, intent);

}

global.__onUncaughtError = function (error: Error) {

// TODO: Obsolete this

if (types.isFunction(exports.onUncaughtError)) {

exports.onUncaughtError(error);

}

exports.notify({ eventName: dts.uncaughtErrorEvent, object: appModule.android, android: error });

}

exports.start = function () {

dts.loadCss();

}

exports.android = new AndroidApplication();

var currentOrientation: number;

function setupOrientationListener(androidApp: AndroidApplication) {

androidApp.registerBroadcastReceiver(android.content.Intent.ACTION_CONFIGURATION_CHANGED, onConfigurationChanged);

currentOrientation = androidApp.context.getResources().getConfiguration().orientation

}

function onConfigurationChanged(context: android.content.Context, intent: android.content.Intent) {

var orientation = context.getResources().getConfiguration().orientation;

if (currentOrientation !== orientation) {

currentOrientation = orientation;

var newValue;

switch (orientation) {

case android.content.res.Configuration.ORIENTATION_LANDSCAPE:

newValue = enums.DeviceOrientation.landscape;

break;

case android.content.res.Configuration.ORIENTATION_PORTRAIT:

newValue = enums.DeviceOrientation.portrait;

break;

default:

newValue = enums.DeviceOrientation.unknown;

break;

}

exports.notify(<dts.OrientationChangedEventData> {

eventName: dts.orientationChangedEvent,

android: context,

newValue: newValue,

object: exports.android,

});

}

global.__onLiveSync = function () {

if (exports.android && exports.android.paused) {

return;

}

// Clear file resolver cache to respect newly added files.

fileResolverModule.clearCache();

// Reload app.css in case it was changed.

appModule.loadCss();

// Reload current page.

frame.reloadPage();

}

NativeScript/application/application.android.ts at patch-1 · rclai/NativeScript · GitHub

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