michael@0: /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.webapp;
michael@0: 
michael@0: import java.io.File;
michael@0: import java.io.IOException;
michael@0: import java.net.URI;
michael@0: 
michael@0: import org.json.JSONException;
michael@0: import org.json.JSONObject;
michael@0: import org.mozilla.gecko.GeckoApp;
michael@0: import org.mozilla.gecko.GeckoAppShell;
michael@0: import org.mozilla.gecko.GeckoEvent;
michael@0: import org.mozilla.gecko.GeckoThread;
michael@0: import org.mozilla.gecko.R;
michael@0: import org.mozilla.gecko.Tab;
michael@0: import org.mozilla.gecko.Tabs;
michael@0: import org.mozilla.gecko.webapp.InstallHelper.InstallCallback;
michael@0: 
michael@0: import android.content.Intent;
michael@0: import android.content.pm.PackageManager.NameNotFoundException;
michael@0: import android.graphics.Color;
michael@0: import android.graphics.drawable.Drawable;
michael@0: import android.graphics.drawable.GradientDrawable;
michael@0: import android.net.Uri;
michael@0: import android.os.Bundle;
michael@0: import android.util.Log;
michael@0: import android.view.Display;
michael@0: import android.view.View;
michael@0: import android.view.animation.Animation;
michael@0: import android.view.animation.AnimationUtils;
michael@0: import android.widget.ImageView;
michael@0: import android.widget.TextView;
michael@0: 
michael@0: public class WebappImpl extends GeckoApp implements InstallCallback {
michael@0:     private static final String LOGTAG = "GeckoWebappImpl";
michael@0: 
michael@0:     private URI mOrigin;
michael@0:     private TextView mTitlebarText = null;
michael@0:     private View mTitlebar = null;
michael@0: 
michael@0:     private View mSplashscreen;
michael@0: 
michael@0:     private boolean mIsApk = true;
michael@0:     private ApkResources mApkResources;
michael@0:     private String mManifestUrl;
michael@0:     private String mAppName;
michael@0: 
michael@0:     protected int getIndex() { return 0; }
michael@0: 
michael@0:     @Override
michael@0:     public int getLayout() { return R.layout.web_app; }
michael@0: 
michael@0:     @Override
michael@0:     public boolean hasTabsSideBar() { return false; }
michael@0: 
michael@0:     @Override
michael@0:     public void onCreate(Bundle savedInstance)
michael@0:     {
michael@0: 
michael@0:         String action = getIntent().getAction();
michael@0:         Bundle extras = getIntent().getExtras();
michael@0:         if (extras == null) {
michael@0:             extras = savedInstance;
michael@0:         }
michael@0: 
michael@0:         if (extras == null) {
michael@0:             extras = new Bundle();
michael@0:         }
michael@0: 
michael@0:         boolean isInstalled = extras.getBoolean("isInstalled", false);
michael@0:         String packageName = extras.getString("packageName");
michael@0: 
michael@0:         if (packageName == null) {
michael@0:             Log.w(LOGTAG, "no package name; treating as legacy shortcut");
michael@0: 
michael@0:             mIsApk = false;
michael@0: 
michael@0:             // Shortcut apps are already installed.
michael@0:             isInstalled = true;
michael@0: 
michael@0:             Uri data = getIntent().getData();
michael@0:             if (data == null) {
michael@0:                 Log.wtf(LOGTAG, "can't get manifest URL from shortcut data");
michael@0:                 setResult(RESULT_CANCELED);
michael@0:                 finish();
michael@0:                 return;
michael@0:             }
michael@0:             mManifestUrl = data.toString();
michael@0: 
michael@0:             String shortcutName = extras.getString(Intent.EXTRA_SHORTCUT_NAME);
michael@0:             mAppName = shortcutName != null ? shortcutName : "Web App";
michael@0:         } else {
michael@0:             try {
michael@0:                 mApkResources = new ApkResources(this, packageName);
michael@0:             } catch (NameNotFoundException e) {
michael@0:                 Log.e(LOGTAG, "Can't find package for webapp " + packageName, e);
michael@0:                 setResult(RESULT_CANCELED);
michael@0:                 finish();
michael@0:                 return;
michael@0:             }
michael@0: 
michael@0:             mManifestUrl = mApkResources.getManifestUrl();
michael@0:             mAppName = mApkResources.getAppName();
michael@0:         }
michael@0: 
michael@0:         // start Gecko.
michael@0:         super.onCreate(savedInstance);
michael@0: 
michael@0:         mTitlebarText = (TextView)findViewById(R.id.webapp_title);
michael@0:         mTitlebar = findViewById(R.id.webapp_titlebar);
michael@0:         mSplashscreen = findViewById(R.id.splashscreen);
michael@0: 
michael@0:         Allocator allocator = Allocator.getInstance(this);
michael@0:         int index = getIndex();
michael@0: 
michael@0:         // We have to migrate old prefs before getting the origin because origin
michael@0:         // is one of the prefs we might migrate.
michael@0:         allocator.maybeMigrateOldPrefs(index);
michael@0: 
michael@0:         String origin = allocator.getOrigin(index);
michael@0:         boolean isInstallCompleting = (origin == null);
michael@0: 
michael@0:         if (!GeckoThread.checkLaunchState(GeckoThread.LaunchState.GeckoRunning) || !isInstalled || isInstallCompleting) {
michael@0:             // Show the splash screen if we need to start Gecko, or we need to install this.
michael@0:             overridePendingTransition(R.anim.grow_fade_in_center, android.R.anim.fade_out);
michael@0:             showSplash();
michael@0:         } else {
michael@0:             mSplashscreen.setVisibility(View.GONE);
michael@0:         }
michael@0: 
michael@0:         if (!isInstalled || isInstallCompleting) {
michael@0:             InstallHelper installHelper = new InstallHelper(getApplicationContext(), mApkResources, this);
michael@0:             if (!isInstalled) {
michael@0:                 // start the vanilla install.
michael@0:                 try {
michael@0:                     installHelper.startInstall(getDefaultProfileName());
michael@0:                 } catch (IOException e) {
michael@0:                     Log.e(LOGTAG, "Couldn't install packaged app", e);
michael@0:                 }
michael@0:             } else {
michael@0:                 // an install is already happening, so we should let it complete.
michael@0:                 Log.i(LOGTAG, "Waiting for existing install to complete");
michael@0:                 installHelper.registerGeckoListener();
michael@0:             }
michael@0:             return;
michael@0:         } else {
michael@0:             launchWebapp(origin);
michael@0:         }
michael@0: 
michael@0:         setTitle(mAppName);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected String getURIFromIntent(Intent intent) {
michael@0:         String uri = super.getURIFromIntent(intent);
michael@0:         if (uri != null) {
michael@0:             return uri;
michael@0:         }
michael@0:         // This is where we construct the URL from the Intent from the
michael@0:         // the synthesized APK.
michael@0: 
michael@0:         // TODO Translate AndroidIntents into WebActivities here.
michael@0:         if (mIsApk) {
michael@0:             return mApkResources.getManifestUrl();
michael@0:         }
michael@0: 
michael@0:         // If this is a legacy shortcut, then we should have been able to get
michael@0:         // the URI from the intent data.  Otherwise, we should have been able
michael@0:         // to get it from the APK resources.  So we should never get here.
michael@0:         Log.wtf(LOGTAG, "Couldn't get URI from intent nor APK resources");
michael@0:         return null;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected void loadStartupTab(String uri) {
michael@0:         // Load a tab so it's available for any code that assumes a tab
michael@0:         // before the app tab itself is loaded in BrowserApp._loadWebapp.
michael@0:         super.loadStartupTab("about:blank");
michael@0:     }
michael@0: 
michael@0:     private void showSplash() {
michael@0: 
michael@0:         // get the favicon dominant color, stored when the app was installed
michael@0:         int dominantColor = Allocator.getInstance().getColor(getIndex());
michael@0: 
michael@0:         setBackgroundGradient(dominantColor);
michael@0: 
michael@0:         ImageView image = (ImageView)findViewById(R.id.splashscreen_icon);
michael@0:         Drawable d = null;
michael@0: 
michael@0:         if (mIsApk) {
michael@0:             Uri uri = mApkResources.getAppIconUri();
michael@0:             image.setImageURI(uri);
michael@0:             d = image.getDrawable();
michael@0:         } else {
michael@0:             // look for a logo.png in the profile dir and show it. If we can't find a logo show nothing
michael@0:             File profile = getProfile().getDir();
michael@0:             File logoFile = new File(profile, "logo.png");
michael@0:             if (logoFile.exists()) {
michael@0:                 d = Drawable.createFromPath(logoFile.getPath());
michael@0:                 image.setImageDrawable(d);
michael@0:             }
michael@0:         }
michael@0: 
michael@0:         if (d != null) {
michael@0:             Animation fadein = AnimationUtils.loadAnimation(this, R.anim.grow_fade_in_center);
michael@0:             fadein.setStartOffset(500);
michael@0:             fadein.setDuration(1000);
michael@0:             image.startAnimation(fadein);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void setBackgroundGradient(int dominantColor) {
michael@0:         int[] colors = new int[2];
michael@0:         // now lighten it, to ensure that the icon stands out in the center
michael@0:         float[] f = new float[3];
michael@0:         Color.colorToHSV(dominantColor, f);
michael@0:         f[2] = Math.min(f[2]*2, 1.0f);
michael@0:         colors[0] = Color.HSVToColor(255, f);
michael@0: 
michael@0:         // now generate a second, slightly darker version of the same color
michael@0:         f[2] *= 0.75;
michael@0:         colors[1] = Color.HSVToColor(255, f);
michael@0: 
michael@0:         // Draw the background gradient
michael@0:         GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.TL_BR, colors);
michael@0:         gd.setGradientType(GradientDrawable.RADIAL_GRADIENT);
michael@0:         Display display = getWindowManager().getDefaultDisplay();
michael@0:         gd.setGradientCenter(0.5f, 0.5f);
michael@0:         gd.setGradientRadius(Math.max(display.getWidth()/2, display.getHeight()/2));
michael@0:         mSplashscreen.setBackgroundDrawable(gd);
michael@0:     }
michael@0: 
michael@0:     /* (non-Javadoc)
michael@0:      * @see org.mozilla.gecko.GeckoApp#getDefaultProfileName()
michael@0:      */
michael@0:     @Override
michael@0:     protected String getDefaultProfileName() {
michael@0:         return "webapp" + getIndex();
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected boolean getSessionRestoreState(Bundle savedInstanceState) {
michael@0:         // for now webapps never restore your session
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onTabChanged(Tab tab, Tabs.TabEvents msg, Object data) {
michael@0:         switch(msg) {
michael@0:             case SELECTED:
michael@0:             case LOCATION_CHANGE:
michael@0:                 if (Tabs.getInstance().isSelectedTab(tab)) {
michael@0:                     final String urlString = tab.getURL();
michael@0: 
michael@0:                     // Don't show the titlebar for about:blank, which we load
michael@0:                     // into the initial tab we create while waiting for the app
michael@0:                     // to load.
michael@0:                     if (urlString != null && urlString.equals("about:blank")) {
michael@0:                         mTitlebar.setVisibility(View.GONE);
michael@0:                         return;
michael@0:                     }
michael@0: 
michael@0:                     final URI uri;
michael@0: 
michael@0:                     try {
michael@0:                         uri = new URI(urlString);
michael@0:                     } catch (java.net.URISyntaxException ex) {
michael@0:                         mTitlebarText.setText(urlString);
michael@0: 
michael@0:                         // If we can't parse the url, and its an app protocol hide
michael@0:                         // the titlebar and return, otherwise show the titlebar
michael@0:                         // and the full url
michael@0:                         if (urlString != null && !urlString.startsWith("app://")) {
michael@0:                             mTitlebar.setVisibility(View.VISIBLE);
michael@0:                         } else {
michael@0:                             mTitlebar.setVisibility(View.GONE);
michael@0:                         }
michael@0:                         return;
michael@0:                     }
michael@0: 
michael@0:                     if (mOrigin != null && mOrigin.getHost().equals(uri.getHost())) {
michael@0:                         mTitlebar.setVisibility(View.GONE);
michael@0:                     } else {
michael@0:                         mTitlebarText.setText(uri.getScheme() + "://" + uri.getHost());
michael@0:                         mTitlebar.setVisibility(View.VISIBLE);
michael@0:                     }
michael@0:                 }
michael@0:                 break;
michael@0:             case LOADED:
michael@0:                 hideSplash();
michael@0:                 break;
michael@0:             case START:
michael@0:                 if (mSplashscreen != null && mSplashscreen.getVisibility() == View.VISIBLE) {
michael@0:                     View area = findViewById(R.id.splashscreen_progress);
michael@0:                     area.setVisibility(View.VISIBLE);
michael@0:                     Animation fadein = AnimationUtils.loadAnimation(this, android.R.anim.fade_in);
michael@0:                     fadein.setDuration(1000);
michael@0:                     area.startAnimation(fadein);
michael@0:                 }
michael@0:                 break;
michael@0:         }
michael@0:         super.onTabChanged(tab, msg, data);
michael@0:     }
michael@0: 
michael@0:     protected void hideSplash() {
michael@0:         if (mSplashscreen != null && mSplashscreen.getVisibility() == View.VISIBLE) {
michael@0:             Animation fadeout = AnimationUtils.loadAnimation(this, android.R.anim.fade_out);
michael@0:             fadeout.setAnimationListener(new Animation.AnimationListener() {
michael@0:                 @Override
michael@0:                 public void onAnimationEnd(Animation animation) {
michael@0:                   mSplashscreen.setVisibility(View.GONE);
michael@0:                 }
michael@0:                 @Override
michael@0:                 public void onAnimationRepeat(Animation animation) { }
michael@0:                 @Override
michael@0:                 public void onAnimationStart(Animation animation) { }
michael@0:             });
michael@0:             mSplashscreen.startAnimation(fadeout);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void installCompleted(InstallHelper installHelper, String event, JSONObject message) {
michael@0:         if (event == null) {
michael@0:             return;
michael@0:         }
michael@0: 
michael@0:         if (event.equals("Webapps:Postinstall")) {
michael@0:             String origin = message.optString("origin");
michael@0:             launchWebapp(origin);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void installErrored(InstallHelper installHelper, Exception exception) {
michael@0:         Log.e(LOGTAG, "Install errored", exception);
michael@0:     }
michael@0: 
michael@0:     private void setOrigin(String origin) {
michael@0:         try {
michael@0:             mOrigin = new URI(origin);
michael@0:         } catch (java.net.URISyntaxException ex) {
michael@0:             // If this isn't an app: URL, just settle for not having an origin.
michael@0:             if (!origin.startsWith("app://")) {
michael@0:                 return;
michael@0:             }
michael@0: 
michael@0:             // If that failed fall back to the origin stored in the shortcut.
michael@0:             if (!mIsApk) {
michael@0:                 Log.i(LOGTAG, "Origin is app: URL; falling back to intent URL");
michael@0:                 Uri data = getIntent().getData();
michael@0:                 if (data != null) {
michael@0:                     try {
michael@0:                         mOrigin = new URI(data.toString());
michael@0:                     } catch (java.net.URISyntaxException ex2) {
michael@0:                         Log.e(LOGTAG, "Unable to parse intent URL: ", ex);
michael@0:                     }
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void launchWebapp(String origin) {
michael@0:         setOrigin(origin);
michael@0: 
michael@0:         try {
michael@0:             JSONObject launchObject = new JSONObject();
michael@0:             launchObject.putOpt("url", mManifestUrl);
michael@0:             launchObject.putOpt("name", mAppName);
michael@0:             Log.i(LOGTAG, "Trying to launch: " + launchObject);
michael@0:             GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("Webapps:Load", launchObject.toString()));
michael@0:         } catch (JSONException e) {
michael@0:             Log.e(LOGTAG, "Error populating launch message", e);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected boolean getIsDebuggable() {
michael@0:         if (mIsApk) {
michael@0:             return mApkResources.isDebuggable();
michael@0:         }
michael@0: 
michael@0:         // This is a legacy shortcut, which didn't provide a way to determine
michael@0:         // that the app is debuggable, so we say the app is not debuggable.
michael@0:         return false;
michael@0:     }
michael@0: }