Added ability to specify dependencies (used for `notify` at the moment)

Gadgetbridge: Modified to use the 'notify' library

CHANGELOG.md

@@ -23,3 +23,4 @@ Changed for individual apps are listed in `apps/appname/ChangeLog`
 * Fix `marked is not defined` error (and include in repo, just in case)
 * Fix error in 'Install Default Apps' if Flash storage is full enough that erasing takes a while
 * Fixed animated progress bar on app removal
+* Added ability to specify dependencies (used for `notify` at the moment)

README.md

@@ -197,6 +197,7 @@ and which gives information about the app for the Launcher.
   "type":"widget/clock/app", // optional, default "app"
      // if this is 'widget' then it's not displayed in the menu
      // if it's 'clock' then it'll be loaded by default at boot time
+  "dependencies" : { "notify":"type" } // optional, app 'types' we depend on
   "version":"1.23",
      // added by BangleApps loader on upload based on apps.json
   "files:"file1,file2,file3",

apps.json

@@ -109,10 +109,11 @@
   { "id": "gbridge",
     "name": "Gadgetbridge",
     "icon": "app.png",
-    "version":"0.12",
+    "version":"0.13",
     "description": "The default notification handler for Gadgetbridge notifications from Android",
     "tags": "tool,system,android,widget",
     "type":"widget",
+    "dependencies": { "notify":"type" },
     "storage": [
       {"name":"gbridge.settings.js","url":"settings.js"},
       {"name":"gbridge.img","url":"app-icon.js","evaluate":true},

apps/gbridge/ChangeLog

@@ -10,4 +10,5 @@
 0.09: Update Bluetooth connection state automatically
 0.10: Make widget play well with other Gadgetbridge widgets/apps
 0.11: Report battery status on connect and at regular intervals
-0.12: Setting to show/hide icon
+0.12: Setting to show/hide icon
+0.13: Modified to use the 'notify' library

apps/gbridge/widget.js

@@ -24,84 +24,8 @@
     Bluetooth.println(JSON.stringify(message));
   }
 
-  function showNotification(size, render, turnOn) {
-    if (turnOn === undefined) turnOn = true
-    var oldMode = Bangle.getLCDMode();
-
-    Bangle.setLCDMode("direct");
-    g.setClipRect(0, 240, 239, 319);
-    g.setColor("#222222");
-    g.fillRect(1, 241, 238, 318);
-
-    render(320 - size);
-
-    g.setColor("#ffffff");
-    g.fillRect(0, 240, 1, 319);
-    g.fillRect(238, 240, 239, 319);
-    g.fillRect(2, 318, 238, 319);
-
-    if (turnOn) Bangle.setLCDPower(1); // light up
-    Bangle.setLCDMode(oldMode); // clears cliprect
-
-    function anim() {
-      state.scrollPos -= 2;
-      if (state.scrollPos < -size) {
-        state.scrollPos = -size;
-      }
-      Bangle.setLCDOffset(state.scrollPos);
-      if (state.scrollPos > -size) setTimeout(anim, 15);
-    }
-    anim();
-  }
-
-  function hideNotification() {
-    function anim() {
-      state.scrollPos += 4;
-      if (state.scrollPos > 0) state.scrollPos = 0;
-      Bangle.setLCDOffset(state.scrollPos);
-      if (state.scrollPos < 0) setTimeout(anim, 10);
-    }
-    anim();
-  }
-
   function handleNotificationEvent(event) {
-
+    require("notify").show(event);
-    // split text up at word boundaries
-    var txt = event.body.split("\n");
-    var MAXCHARS = 38;
-    for (var i = 0; i < txt.length; i++) {
-      txt[i] = txt[i].trim();
-      var l = txt[i];
-      if (l.length > MAXCHARS) {
-        var p = MAXCHARS;
-        while (p > MAXCHARS - 8 && !" \t-_".includes(l[p]))
-          p--;
-        if (p === MAXCHARS - 8) p = MAXCHARS;
-        txt[i] = l.substr(0, p);
-        txt.splice(i + 1, 0, l.substr(p));
-      }
-    }
-
-    showNotification(80, (y) => {
-
-      // TODO: icon based on src?
-      var x = 120;
-      g.setFontAlign(0, 0);
-      g.setFont("6x8", 1);
-      g.setColor("#40d040");
-      g.drawString(event.src, x, y + 7);
-
-      g.setColor("#ffffff");
-      g.setFont("6x8", 2);
-      if (event.title)
-        g.drawString(event.title.slice(0,17), x, y + 25);
-
-      g.setFont("6x8", 1);
-      g.setColor("#ffffff");
-      g.setFontAlign(-1, -1);
-      g.drawString(txt.join("\n"), 10, y + 40);
-    });
-
     Bangle.buzz();
   }
 
@@ -110,45 +34,26 @@
     state.music = event.state
 
     if (state.music === "play") {
-      showNotification(40, (y) => {
+      require("notify").show({size:40, render:y => {
-        g.setColor("#ffffff");
+        g.setColor(-1);
         g.drawImage(require("heatshrink").decompress(atob("jEYwILI/EAv/8gP/ARcMgOAASN8h+A/kfwP8n4CD/E/gHgjg/HA=")), 8, y + 8);
-
         g.setFontAlign(-1, -1);
         var x = 40;
-        g.setFont("4x6", 2);
+        g.setFont("4x6", 2).drawString(state.musicInfo.artist, x, y + 8);
-        g.setColor("#ffffff");
+        g.setFont("6x8", 1).drawString(state.musicInfo.track, x, y + 22);
-        g.drawString(state.musicInfo.artist, x, y + 8);
+      }});
-
-        g.setFont("6x8", 1);
-        g.setColor("#ffffff");
-        g.drawString(state.musicInfo.track, x, y + 22);
-      }, changed);
     }
 
     if (state.music === "pause") {
-      hideNotification();
+      require("notify").hide();
     }
   }
 
   function handleCallEvent(event) {
-
     if (event.cmd === "accept") {
-      showNotification(40, (y) => {
+      require("notify").show({
-        g.setColor("#ffffff");
+        size: 55, title: event.name,
-        g.drawImage(require("heatshrink").decompress(atob("jEYwIMJj4CCwACJh4CCCIMOAQMGAQMHAQMDAQMBCIMB4PwgHz/EAn4CBj4CBg4CBgACCAAw=")), 8, y + 8);
+        body: event.number, icon:require("heatshrink").decompress(atob("jEYwIMJj4CCwACJh4CCCIMOAQMGAQMHAQMDAQMBCIMB4PwgHz/EAn4CBj4CBg4CBgACCAAw="))});
-
-        g.setFontAlign(-1, -1);
-        var x = 40;
-        g.setFont("4x6", 2);
-        g.setColor("#ffffff");
-        g.drawString(event.name, x, y + 8);
-
-        g.setFont("6x8", 1);
-        g.setColor("#ffffff");
-        g.drawString(event.number, x, y + 22);
-      });
-
       Bangle.buzz();
     }
   }
@@ -172,13 +77,6 @@
     if(_GB)setTimeout(_GB,0,event);
   };
 
-  // Touch control
-  Bangle.on("touch", () => {
-    if (state.scrollPos) {
-      hideNotification();
-    }
-  });
-
   Bangle.on("swipe", (dir) => {
     if (state.music === "play") {
       const command = dir > 0 ? "next" : "previous"

js/appinfo.js

@@ -55,7 +55,7 @@ const AppInfo = {
                 SET_TIME_ON_WRITE : false,
                 PRETOKENISE : options.settings.pretokenise,
                 //MINIFICATION_LEVEL : "ESPRIMA", // disable due to https://github.com/espruino/BangleApps/pull/355#issuecomment-620124162
-                builtinModules : "Flash,Storage,heatshrink,tensorflow,locale"
+                builtinModules : "Flash,Storage,heatshrink,tensorflow,locale,notify"
               });
             } else
               return content;

js/index.js

@@ -98,7 +98,9 @@ function handleCustomApp(appTemplate) {
       });
       console.log("Received custom app", app);
       modal.remove();
-      Comms.uploadApp(app).then(()=>{
+      checkDependencies(app)
+      .then(()=>Comms.uploadApp(app))
+      .then(()=>{
         Progress.hide({sticky:true});
         resolve();
       }).catch(e => {
@@ -341,7 +343,9 @@ function uploadApp(app) {
     if (appsInstalled.some(i => i.id === app.id)) {
       return updateApp(app);
     }
-    Comms.uploadApp(app).then((appJSON) => {
+    checkDependencies(app)
+    .then(()=>Comms.uploadApp(app))
+    .then((appJSON) => {
       Progress.hide({ sticky: true });
       if (appJSON) {
         appsInstalled.push(appJSON);
@@ -388,6 +392,31 @@ function customApp(app) {
   });
 }
 
+/// check for dependencies the app needs and install them if required
+function checkDependencies(app, uploadOptions) {
+  var promise = Promise.resolve();
+  if (app.dependencies) {
+    Object.keys(app.dependencies).forEach(dependency=>{
+      if (app.dependencies[dependency]!="type")
+        throw new Error("Only supporting dependencies on app types right now");
+      console.log(`Searching for dependency on app type '${dependency}'`);
+      var found = appsInstalled.find(app=>app.type==dependency);
+      if (found)
+        console.log(`Found dependency in installed app '${found.id}'`);
+      else {
+        found = appJSON.find(app=>app.type==dependency);
+        if (!found) throw new Error(`Dependency of '${dependency}' listed, but nothing satisfies it!`);
+        console.log(`Dependency not installed. Installing app id '${found.id}'`);
+        promise.then(new Promise((resolve,reject)=>{
+          console.log(`Install dependency '${dependency}':'${found.id}'`);
+          return Comms.uploadApp(found);
+        }));
+      }
+    });
+  }
+  return promise;
+}
+
 function updateApp(app) {
   if (app.custom) return customApp(app);
   return getInstalledApps().then(() => {
@@ -410,8 +439,9 @@ function updateApp(app) {
   }).then(()=>{
     showToast(`Updating ${app.name}...`);
     appsInstalled = appsInstalled.filter(a=>a.id!=app.id);
-    return Comms.uploadApp(app);
+    return checkDependencies(app);
-  }).then((appJSON) => {
+  }).then(()=>Comms.uploadApp(app)
+  ).then((appJSON) => {
     if (appJSON) appsInstalled.push(appJSON);
     showToast(app.name+" Updated!", "success");
     refreshMyApps();
@@ -549,7 +579,9 @@ function installMultipleApps(appIds, promptName) {
         let app = apps.shift();
         if (app===undefined) return resolve();
         Progress.show({title:`${app.name} (${appCount-apps.length}/${appCount})`,sticky:true});
-        Comms.uploadApp(app,"skip_reset").then((appJSON) => {
+        checkDependencies(app,"skip_reset")
+        .then(()=>Comms.uploadApp(app,"skip_reset"))
+        .then((appJSON) => {
           Progress.hide({sticky:true});
           if (appJSON) appsInstalled.push(appJSON);
           showToast(`(${appCount-apps.length}/${appCount}) ${app.name} Uploaded`);