Add m-esr52 at 52.6.0

1 files changed, 302 insertions, 0 deletions

diff --git a/mobile/android/chrome/content/WebrtcUI.js b/mobile/android/chrome/content/WebrtcUI.js
new file mode 100644
index 000000000..475d05bd2
--- /dev/null
+++ b/mobile/android/chrome/content/WebrtcUI.js
@@ -0,0 +1,302 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+this.EXPORTED_SYMBOLS = ["WebrtcUI"];
+
+XPCOMUtils.defineLazyModuleGetter(this, "Notifications", "resource://gre/modules/Notifications.jsm");
+XPCOMUtils.defineLazyServiceGetter(this, "ParentalControls", "@mozilla.org/parental-controls-service;1", "nsIParentalControlsService");
+XPCOMUtils.defineLazyModuleGetter(this, "RuntimePermissions", "resource://gre/modules/RuntimePermissions.jsm");
+
+var WebrtcUI = {
+  _notificationId: null,
+
+  // Add-ons can override stock permission behavior by doing:
+  //
+  //   var stockObserve = WebrtcUI.observe;
+  //
+  //   webrtcUI.observe = function(aSubject, aTopic, aData) {
+  //     switch (aTopic) {
+  //      case "PeerConnection:request": {
+  //        // new code.
+  //        break;
+  //      ...
+  //      default:
+  //        return stockObserve.call(this, aSubject, aTopic, aData);
+  //
+  // See browser/modules/webrtcUI.jsm for details.
+
+  observe: function(aSubject, aTopic, aData) {
+    if (aTopic === "getUserMedia:request") {
+      RuntimePermissions
+        .waitForPermissions(this._determineNeededRuntimePermissions(aSubject))
+        .then((permissionGranted) => {
+          if (permissionGranted) {
+            WebrtcUI.handleGumRequest(aSubject, aTopic, aData);
+          } else {
+            Services.obs.notifyObservers(null, "getUserMedia:response:deny", aSubject.callID);
+          }});
+    } else if (aTopic === "PeerConnection:request") {
+      this.handlePCRequest(aSubject, aTopic, aData);
+    } else if (aTopic === "recording-device-events") {
+      switch (aData) {
+        case "shutdown":
+        case "starting":
+          this.notify();
+          break;
+      }
+    } else if (aTopic === "VideoCapture:Paused") {
+      if (this._notificationId) {
+        Notifications.cancel(this._notificationId);
+        this._notificationId = null;
+      }
+    } else if (aTopic === "VideoCapture:Resumed") {
+      this.notify();
+    }
+  },
+
+  notify: function() {
+    let windows = MediaManagerService.activeMediaCaptureWindows;
+    let count = windows.length;
+    let msg = {};
+    if (count == 0) {
+      if (this._notificationId) {
+        Notifications.cancel(this._notificationId);
+        this._notificationId = null;
+      }
+    } else {
+      let notificationOptions = {
+        title: Strings.brand.GetStringFromName("brandShortName"),
+        when: null, // hide the date row
+        light: [0xFF9500FF, 1000, 1000],
+        ongoing: true
+      };
+
+      let cameraActive = false;
+      let audioActive = false;
+      for (let i = 0; i < count; i++) {
+        let win = windows.queryElementAt(i, Ci.nsIDOMWindow);
+        let hasAudio = {};
+        let hasVideo = {};
+        MediaManagerService.mediaCaptureWindowState(win, hasVideo, hasAudio);
+        if (hasVideo.value) cameraActive = true;
+        if (hasAudio.value) audioActive = true;
+      }
+
+      if (cameraActive && audioActive) {
+        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingCameraAndMicrophone.message2");
+        notificationOptions.icon = "drawable:alert_mic_camera";
+      } else if (cameraActive) {
+        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingCamera.message2");
+        notificationOptions.icon = "drawable:alert_camera";
+      } else if (audioActive) {
+        notificationOptions.message = Strings.browser.GetStringFromName("getUserMedia.sharingMicrophone.message2");
+        notificationOptions.icon = "drawable:alert_mic";
+      } else {
+        // somethings wrong. lets throw
+        throw "Couldn't find any cameras or microphones being used"
+      }
+
+      if (this._notificationId)
+          Notifications.update(this._notificationId, notificationOptions);
+      else
+        this._notificationId = Notifications.create(notificationOptions);
+      if (count > 1)
+        msg.count = count;
+    }
+  },
+
+  handlePCRequest: function handlePCRequest(aSubject, aTopic, aData) {
+    aSubject = aSubject.wrappedJSObject;
+    let { callID } = aSubject;
+    // Also available: windowID, isSecure, innerWindowID. For contentWindow do:
+    //
+    //   let contentWindow = Services.wm.getOuterWindowWithId(windowID);
+
+    Services.obs.notifyObservers(null, "PeerConnection:response:allow", callID);
+  },
+
+  handleGumRequest: function handleGumRequest(aSubject, aTopic, aData) {
+    let constraints = aSubject.getConstraints();
+    let contentWindow = Services.wm.getOuterWindowWithId(aSubject.windowID);
+
+    contentWindow.navigator.mozGetUserMediaDevices(
+      constraints,
+      function (devices) {
+        if (!ParentalControls.isAllowed(ParentalControls.CAMERA_MICROPHONE)) {
+          Services.obs.notifyObservers(null, "getUserMedia:response:deny", aSubject.callID);
+          WebrtcUI.showBlockMessage(devices);
+          return;
+        }
+
+        WebrtcUI.prompt(contentWindow, aSubject.callID, constraints.audio,
+                        constraints.video, devices);
+      },
+      function (error) {
+        Cu.reportError(error);
+      },
+      aSubject.innerWindowID,
+      aSubject.callID);
+  },
+
+  getDeviceButtons: function(audioDevices, videoDevices, aCallID, aUri) {
+    return [{
+      label: Strings.browser.GetStringFromName("getUserMedia.denyRequest.label"),
+      callback: function() {
+        Services.obs.notifyObservers(null, "getUserMedia:response:deny", aCallID);
+      }
+    },
+    {
+      label: Strings.browser.GetStringFromName("getUserMedia.shareRequest.label"),
+      callback: function(checked /* ignored */, inputs) {
+        let allowedDevices = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
+
+        let audioId = 0;
+        if (inputs && inputs.audioDevice != undefined)
+          audioId = inputs.audioDevice;
+        if (audioDevices[audioId])
+          allowedDevices.appendElement(audioDevices[audioId], /*weak =*/ false);
+
+        let videoId = 0;
+        if (inputs && inputs.videoSource != undefined)
+          videoId = inputs.videoSource;
+        if (videoDevices[videoId]) {
+          allowedDevices.appendElement(videoDevices[videoId], /*weak =*/ false);
+          let perms = Services.perms;
+          // Although the lifetime is "session" it will be removed upon
+          // use so it's more of a one-shot.
+          perms.add(aUri, "MediaManagerVideo", perms.ALLOW_ACTION, perms.EXPIRE_SESSION);
+        }
+
+        Services.obs.notifyObservers(allowedDevices, "getUserMedia:response:allow", aCallID);
+      },
+      positive: true
+    }];
+  },
+
+  _determineNeededRuntimePermissions: function(aSubject) {
+    let permissions = [];
+
+    let constraints = aSubject.getConstraints();
+    if (constraints.video) {
+      permissions.push(RuntimePermissions.CAMERA);
+    }
+    if (constraints.audio) {
+      permissions.push(RuntimePermissions.RECORD_AUDIO);
+    }
+
+    return permissions;
+  },
+
+  // Get a list of string names for devices. Ensures that none of the strings are blank
+  _getList: function(aDevices, aType) {
+    let defaultCount = 0;
+    return aDevices.map(function(device) {
+        // if this is a Camera input, convert the name to something readable
+        let res = /Camera\ \d+,\ Facing (front|back)/.exec(device.name);
+        if (res)
+          return Strings.browser.GetStringFromName("getUserMedia." + aType + "." + res[1] + "Camera");
+
+        if (device.name.startsWith("&") && device.name.endsWith(";"))
+          return Strings.browser.GetStringFromName(device.name.substring(1, device.name.length -1));
+
+        if (device.name.trim() == "") {
+          defaultCount++;
+          return Strings.browser.formatStringFromName("getUserMedia." + aType + ".default", [defaultCount], 1);
+        }
+        return device.name
+      }, this);
+  },
+
+  _addDevicesToOptions: function(aDevices, aType, aOptions) {
+    if (aDevices.length) {
+
+      // Filter out empty items from the list
+      let list = this._getList(aDevices, aType);
+
+      if (list.length > 0) {
+        aOptions.inputs.push({
+          id: aType,
+          type: "menulist",
+          label: Strings.browser.GetStringFromName("getUserMedia." + aType + ".prompt"),
+          values: list
+        });
+
+      }
+    }
+  },
+
+  showBlockMessage: function(aDevices) {
+    let microphone = false;
+    let camera = false;
+
+    for (let device of aDevices) {
+      device = device.QueryInterface(Ci.nsIMediaDevice);
+      if (device.type == "audio") {
+        microphone = true;
+      } else if (device.type == "video") {
+        camera = true;
+      }
+    }
+
+    let message;
+    if (microphone && !camera) {
+      message = Strings.browser.GetStringFromName("getUserMedia.blockedMicrophoneAccess");
+    } else if (camera && !microphone) {
+      message = Strings.browser.GetStringFromName("getUserMedia.blockedCameraAccess");
+    } else {
+      message = Strings.browser.GetStringFromName("getUserMedia.blockedCameraAndMicrophoneAccess");
+    }
+
+    NativeWindow.doorhanger.show(message, "webrtc-blocked", [], BrowserApp.selectedTab.id, {});
+  },
+
+  prompt: function prompt(aContentWindow, aCallID, aAudioRequested,
+                          aVideoRequested, aDevices) {
+    let audioDevices = [];
+    let videoDevices = [];
+    for (let device of aDevices) {
+      device = device.QueryInterface(Ci.nsIMediaDevice);
+      switch (device.type) {
+      case "audio":
+        if (aAudioRequested)
+          audioDevices.push(device);
+        break;
+      case "video":
+        if (aVideoRequested)
+          videoDevices.push(device);
+        break;
+      }
+    }
+
+    let requestType;
+    if (audioDevices.length && videoDevices.length)
+      requestType = "CameraAndMicrophone";
+    else if (audioDevices.length)
+      requestType = "Microphone";
+    else if (videoDevices.length)
+      requestType = "Camera";
+    else
+      return;
+
+    let uri = aContentWindow.document.documentURIObject;
+    let host = uri.host;
+    let requestor = BrowserApp.manifest ? "'" + BrowserApp.manifest.name  + "'" : host;
+    let message = Strings.browser.formatStringFromName("getUserMedia.share" + requestType + ".message", [ requestor ], 1);
+
+    let options = { inputs: [] };
+    if (videoDevices.length > 1 || audioDevices.length > 0) {
+      // videoSource is both the string used for l10n lookup and the object that will be returned
+      this._addDevicesToOptions(videoDevices, "videoSource", options);
+    }
+
+    if (audioDevices.length > 1 || videoDevices.length > 0) {
+      this._addDevicesToOptions(audioDevices, "audioDevice", options);
+    }
+
+    let buttons = this.getDeviceButtons(audioDevices, videoDevices, aCallID, uri);
+
+    NativeWindow.doorhanger.show(message, "webrtc-request", buttons, BrowserApp.selectedTab.id, options, "WEBRTC");
+  }
+}