mobile/android/chrome/content/WebrtcUI.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/chrome/content/WebrtcUI.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,215 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +"use strict";
     1.8 +
     1.9 +XPCOMUtils.defineLazyModuleGetter(this, "Notifications", "resource://gre/modules/Notifications.jsm");
    1.10 +
    1.11 +var WebrtcUI = {
    1.12 +  _notificationId: null,
    1.13 +
    1.14 +  observe: function(aSubject, aTopic, aData) {
    1.15 +    if (aTopic === "getUserMedia:request") {
    1.16 +      this.handleRequest(aSubject, aTopic, aData);
    1.17 +    } else if (aTopic === "recording-device-events") {
    1.18 +      switch (aData) {
    1.19 +        case "shutdown":
    1.20 +        case "starting":
    1.21 +          this.notify();
    1.22 +          break;
    1.23 +      }
    1.24 +    }
    1.25 +  },
    1.26 +
    1.27 +  notify: function() {
    1.28 +    let windows = MediaManagerService.activeMediaCaptureWindows;
    1.29 +    let count = windows.Count();
    1.30 +    let msg = {};
    1.31 +    if (count == 0) {
    1.32 +      if (this._notificationId) {
    1.33 +        Notifications.cancel(this._notificationId);
    1.34 +        this._notificationId = null;
    1.35 +      }
    1.36 +    } else {
    1.37 +      let notificationOptions = {
    1.38 +        title: Strings.brand.GetStringFromName("brandShortName"),
    1.39 +        when: null, // hide the date row
    1.40 +        light: [0xFF9500FF, 1000, 1000],
    1.41 +        ongoing: true
    1.42 +      };
    1.43 +
    1.44 +      let cameraActive = false;
    1.45 +      let audioActive = false;
    1.46 +      for (let i = 0; i < count; i++) {
    1.47 +        let win = windows.GetElementAt(i);
    1.48 +        let hasAudio = {};
    1.49 +        let hasVideo = {};
    1.50 +        MediaManagerService.mediaCaptureWindowState(win, hasVideo, hasAudio);
    1.51 +        if (hasVideo.value) cameraActive = true;
    1.52 +        if (hasAudio.value) audioActive = true;
    1.53 +      }
    1.54 +
    1.55 +      if (cameraActive && audioActive) {
    1.56 +        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingCameraAndMicrophone.message2");
    1.57 +        notificationOptions.icon = "drawable:alert_mic_camera";
    1.58 +      } else if (cameraActive) {
    1.59 +        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingCamera.message2");
    1.60 +        notificationOptions.icon = "drawable:alert_camera";
    1.61 +      } else if (audioActive) {
    1.62 +        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingMicrophone.message2");
    1.63 +        notificationOptions.icon = "drawable:alert_mic";
    1.64 +      } else {
    1.65 +        // somethings wrong. lets throw
    1.66 +        throw "Couldn't find any cameras or microphones being used"
    1.67 +      }
    1.68 +
    1.69 +      if (this._notificationId)
    1.70 +          Notifications.update(this._notificationId, notificationOptions);
    1.71 +      else
    1.72 +        this._notificationId = Notifications.create(notificationOptions);
    1.73 +      if (count > 1)
    1.74 +        msg.count = count;
    1.75 +    }
    1.76 +  },
    1.77 +
    1.78 +  handleRequest: function handleRequest(aSubject, aTopic, aData) {
    1.79 +    let constraints = aSubject.getConstraints();
    1.80 +    let contentWindow = Services.wm.getOuterWindowWithId(aSubject.windowID);
    1.81 +
    1.82 +    contentWindow.navigator.mozGetUserMediaDevices(
    1.83 +      constraints,
    1.84 +      function (devices) {
    1.85 +        WebrtcUI.prompt(contentWindow, aSubject.callID, constraints.audio,
    1.86 +                        constraints.video, devices);
    1.87 +      },
    1.88 +      function (error) {
    1.89 +        Cu.reportError(error);
    1.90 +      },
    1.91 +      aSubject.innerWindowID);
    1.92 +  },
    1.93 +
    1.94 +  getDeviceButtons: function(audioDevices, videoDevices, aCallID) {
    1.95 +    return [{
    1.96 +      label: Strings.browser.GetStringFromName("getUserMedia.denyRequest.label"),
    1.97 +      callback: function() {
    1.98 +        Services.obs.notifyObservers(null, "getUserMedia:response:deny", aCallID);
    1.99 +      }
   1.100 +    },
   1.101 +    {
   1.102 +      label: Strings.browser.GetStringFromName("getUserMedia.shareRequest.label"),
   1.103 +      callback: function(checked /* ignored */, inputs) {
   1.104 +        let allowedDevices = Cc["@mozilla.org/supports-array;1"].createInstance(Ci.nsISupportsArray);
   1.105 +
   1.106 +        let audioId = 0;
   1.107 +        if (inputs && inputs.audioDevice != undefined)
   1.108 +          audioId = inputs.audioDevice;
   1.109 +        if (audioDevices[audioId])
   1.110 +          allowedDevices.AppendElement(audioDevices[audioId]);
   1.111 +
   1.112 +        let videoId = 0;
   1.113 +        if (inputs && inputs.videoDevice != undefined)
   1.114 +          videoId = inputs.videoDevice;
   1.115 +        if (videoDevices[videoId])
   1.116 +          allowedDevices.AppendElement(videoDevices[videoId]);
   1.117 +
   1.118 +        Services.obs.notifyObservers(allowedDevices, "getUserMedia:response:allow", aCallID);
   1.119 +      }
   1.120 +    }];
   1.121 +  },
   1.122 +
   1.123 +  // Get a list of string names for devices. Ensures that none of the strings are blank
   1.124 +  _getList: function(aDevices, aType) {
   1.125 +    let defaultCount = 0;
   1.126 +    return aDevices.map(function(device) {
   1.127 +        // if this is a Camera input, convert the name to something readable
   1.128 +        let res = /Camera\ \d+,\ Facing (front|back)/.exec(device.name);
   1.129 +        if (res)
   1.130 +          return Strings.browser.GetStringFromName("getUserMedia." + aType + "." + res[1] + "Camera");
   1.131 +
   1.132 +        if (device.name.startsWith("&") && device.name.endsWith(";"))
   1.133 +          return Strings.browser.GetStringFromName(device.name.substring(1, device.name.length -1));
   1.134 +
   1.135 +        if (device.name.trim() == "") {
   1.136 +          defaultCount++;
   1.137 +          return Strings.browser.formatStringFromName("getUserMedia." + aType + ".default", [defaultCount], 1);
   1.138 +        }
   1.139 +        return device.name
   1.140 +      }, this);
   1.141 +  },
   1.142 +
   1.143 +  _addDevicesToOptions: function(aDevices, aType, aOptions, extraOptions) {
   1.144 +    if (aDevices.length) {
   1.145 +
   1.146 +      // Filter out empty items from the list
   1.147 +      let list = this._getList(aDevices, aType);
   1.148 +      if (extraOptions)
   1.149 +        list = list.concat(extraOptions);
   1.150 +
   1.151 +      if (list.length > 0) {
   1.152 +        aOptions.inputs.push({
   1.153 +          id: aType,
   1.154 +          type: "menulist",
   1.155 +          label: Strings.browser.GetStringFromName("getUserMedia." + aType + ".prompt"),
   1.156 +          values: list
   1.157 +        });
   1.158 +
   1.159 +      }
   1.160 +    }
   1.161 +  },
   1.162 +
   1.163 +  prompt: function prompt(aContentWindow, aCallID, aAudioRequested,
   1.164 +                          aVideoRequested, aDevices) {
   1.165 +    let audioDevices = [];
   1.166 +    let videoDevices = [];
   1.167 +    for (let device of aDevices) {
   1.168 +      device = device.QueryInterface(Ci.nsIMediaDevice);
   1.169 +      switch (device.type) {
   1.170 +      case "audio":
   1.171 +        if (aAudioRequested)
   1.172 +          audioDevices.push(device);
   1.173 +        break;
   1.174 +      case "video":
   1.175 +        if (aVideoRequested)
   1.176 +          videoDevices.push(device);
   1.177 +        break;
   1.178 +      }
   1.179 +    }
   1.180 +
   1.181 +    let requestType;
   1.182 +    if (audioDevices.length && videoDevices.length)
   1.183 +      requestType = "CameraAndMicrophone";
   1.184 +    else if (audioDevices.length)
   1.185 +      requestType = "Microphone";
   1.186 +    else if (videoDevices.length)
   1.187 +      requestType = "Camera";
   1.188 +    else
   1.189 +      return;
   1.190 +
   1.191 +    let host = aContentWindow.document.documentURIObject.host;
   1.192 +    let requestor = BrowserApp.manifest ? "'" + BrowserApp.manifest.name  + "'" : host;
   1.193 +    let message = Strings.browser.formatStringFromName("getUserMedia.share" + requestType + ".message", [ requestor ], 1);
   1.194 +
   1.195 +    let options = { inputs: [] };
   1.196 +    // if the users only option would be to select "No Audio" or "No Video"
   1.197 +    // i.e. we're only showing audio or only video and there is only one device for that type
   1.198 +    // don't bother showing a menulist to select from
   1.199 +    var extraItems = null;
   1.200 +    if (videoDevices.length > 1 || audioDevices.length > 0) {
   1.201 +      // Only show the No Video option if there are also Audio devices to choose from
   1.202 +      if (audioDevices.length > 0)
   1.203 +        extraItems = [ Strings.browser.GetStringFromName("getUserMedia.videoDevice.none") ];
   1.204 +      this._addDevicesToOptions(videoDevices, "videoDevice", options, extraItems);
   1.205 +    }
   1.206 +
   1.207 +    if (audioDevices.length > 1 || videoDevices.length > 0) {
   1.208 +      // Only show the No Audio option if there are also Video devices to choose from
   1.209 +      if (videoDevices.length > 0)
   1.210 +        extraItems = [ Strings.browser.GetStringFromName("getUserMedia.audioDevice.none") ];
   1.211 +      this._addDevicesToOptions(audioDevices, "audioDevice", options, extraItems);
   1.212 +    }
   1.213 +
   1.214 +    let buttons = this.getDeviceButtons(audioDevices, videoDevices, aCallID);
   1.215 +
   1.216 +    NativeWindow.doorhanger.show(message, "webrtc-request", buttons, BrowserApp.selectedTab.id, options);
   1.217 +  }
   1.218 +}

mercurial