Merge pull request #804 from JustOff/PR_s4e_FullScreenVideo

[PALEMOON] Use message manager to detect full-screen HTML5 video in S4E module

4 files changed, 69 insertions, 20 deletions

diff --git a/application/palemoon/components/statusbar/Status.jsm b/application/palemoon/components/statusbar/Status.jsm
index d888c7d94..19e12ddfd 100644
--- a/application/palemoon/components/statusbar/Status.jsm
+++ b/application/palemoon/components/statusbar/Status.jsm
@@ -35,7 +35,7 @@ S4EStatusService.prototype =
   _defaultStatus:          { val: "", type: "" },
 
   _isFullScreen:           false,
-  _isFullScreenVideo:      false,
+  _isVideo:                false,
 
   _statusText:             { val: "", type: "" },
   _noUpdate:               false,
@@ -222,18 +222,10 @@ S4EStatusService.prototype =
     }
   },
 
-  updateFullScreen: function()
+  setFullScreenState: function(isFullScreen, isVideo)
   {
-    this._isFullScreen = this._window.fullScreen;
-    this._isFullScreenVideo = false;
-    if(this._isFullScreen)
-    {
-      let fsEl = this._window.content.document.mozFullScreenElement;
-      if(fsEl && (fsEl.nodeName == "VIDEO" || fsEl.getElementsByTagName("VIDEO").length > 0))
-      {
-        this._isFullScreenVideo = true;
-      }
-    }
+    this._isFullScreen = isFullScreen;
+    this._isVideo = isFullScreen && isVideo;
 
     this.clearStatusField();
     this.updateStatusField(true);
@@ -305,7 +297,7 @@ S4EStatusService.prototype =
 
     let label = null;
 
-    if(this._isFullScreen && this._service.advancedStatusDetectFullScreen)
+    if(this._isFullScreen)
     {
       switch(location)
       {
@@ -330,7 +322,7 @@ S4EStatusService.prototype =
         break;
       case 3: // Popup
       default:
-        if(this._isFullScreenVideo && this._service.advancedStatusDetectVideo)
+        if(this._isVideo)
         {
           return;
         }
diff --git a/application/palemoon/components/statusbar/Status4Evar.jsm b/application/palemoon/components/statusbar/Status4Evar.jsm
index 055306a88..6400f2e2a 100644
--- a/application/palemoon/components/statusbar/Status4Evar.jsm
+++ b/application/palemoon/components/statusbar/Status4Evar.jsm
@@ -31,7 +31,7 @@ function Status4Evar(window, gBrowser, toolbox)
   this.statusService = new S4EStatusService(this._window, s4e_service, this.getters);
   this.progressMeter = new S4EProgressService(gBrowser, s4e_service, this.getters, this.statusService);
   this.downloadStatus = new S4EDownloadService(this._window, gBrowser, s4e_service, this.getters);
-  this.sizeModeService = new SizeModeService(this._window, this);
+  this.sizeModeService = new SizeModeService(this._window, gBrowser, this);
 
   this._window.addEventListener("unload", this, false);
 }
@@ -232,20 +232,31 @@ S4EWindowGetters.prototype =
   }
 };
 
-function SizeModeService(window, s4e)
+function SizeModeService(window, gBrowser, s4e)
 {
   this._window = window;
+  this._gBrowser = gBrowser;
   this._s4e = s4e;
+  this._mm = this._window.messageManager;
 
   this.lastFullScreen = this._window.fullScreen;
   this.lastwindowState = this._window.windowState;
+
+  if(s4e_service.advancedStatusDetectFullScreen)
+  {
+    this._mm.addMessageListener("status4evar@caligonstudios.com:video-detect-answer", this)
+    this._mm.loadFrameScript("resource:///modules/statusbar/content-thunk.js", true);
+  }
+
   this._window.addEventListener("sizemodechange", this, false);
 }
 
 SizeModeService.prototype =
 {
   _window:         null,
+  _gBrowser:       null,
   _s4e:            null,
+  _mm:             null,
 
   lastFullScreen:  null,
   lastwindowState: null,
@@ -254,7 +265,13 @@ SizeModeService.prototype =
   {
     this._window.removeEventListener("sizemodechange", this, false);
 
-    ["_window", "_s4e"].forEach(function(prop)
+    if(s4e_service.advancedStatusDetectFullScreen)
+    {
+      this._mm.removeDelayedFrameScript("resource:///modules/statusbar/content-thunk.js");
+      this._mm.removeMessageListener("status4evar@caligonstudios.com:video-detect-answer", this);
+    }
+
+    ["_window", "_gBrowser", "_s4e", "_mm"].forEach(function(prop)
     {
       delete this[prop];
     }, this);
@@ -262,10 +279,18 @@ SizeModeService.prototype =
 
   handleEvent: function(e)
   {
-    if(this._window.fullScreen != this.lastFullScreen)
+    if(this._window.fullScreen != this.lastFullScreen && s4e_service.advancedStatusDetectFullScreen)
     {
       this.lastFullScreen = this._window.fullScreen;
-      this._s4e.statusService.updateFullScreen();
+
+      if(this.lastFullScreen && s4e_service.advancedStatusDetectVideo)
+      {
+        this._gBrowser.selectedBrowser.messageManager.sendAsyncMessage("status4evar@caligonstudios.com:video-detect");
+      }
+      else
+      {
+        this._s4e.statusService.setFullScreenState(this.lastFullScreen, false);
+      }
     }
 
     if(this._window.windowState != this.lastwindowState)
@@ -275,5 +300,13 @@ SizeModeService.prototype =
     }
   },
 
-  QueryInterface: XPCOMUtils.generateQI([ CI.nsIDOMEventListener ])
+  receiveMessage: function(message)
+  {
+    if(message.name == "status4evar@caligonstudios.com:video-detect-answer")
+    {
+      this._s4e.statusService.setFullScreenState(this.lastFullScreen, message.data.isVideo);
+    }
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([ CI.nsIDOMEventListener, CI.nsIMessageListener ])
 };
diff --git a/application/palemoon/components/statusbar/content-thunk.js b/application/palemoon/components/statusbar/content-thunk.js
new file mode 100644
index 000000000..fe1fbabad
--- /dev/null
+++ b/application/palemoon/components/statusbar/content-thunk.js
@@ -0,0 +1,23 @@
+/* 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/. */
+
+function handleVideoDetect(message)
+{
+  let isVideo = false;
+
+  let fsEl = content.document.mozFullScreenElement;
+  if(fsEl)
+  {
+    isVideo = (
+      fsEl.nodeName == "VIDEO"
+      || (fsEl.nodeName == "IFRAME" && fsEl.contentDocument && fsEl.contentDocument.getElementsByTagName("VIDEO").length > 0)
+      || fsEl.getElementsByTagName("VIDEO").length > 0
+    );
+  }
+
+  sendAsyncMessage("status4evar@caligonstudios.com:video-detect-answer", {isVideo: isVideo});
+}
+
+addMessageListener("status4evar@caligonstudios.com:video-detect", handleVideoDetect);
+
diff --git a/application/palemoon/components/statusbar/moz.build b/application/palemoon/components/statusbar/moz.build
index ba8cfef86..0f7f597a5 100644
--- a/application/palemoon/components/statusbar/moz.build
+++ b/application/palemoon/components/statusbar/moz.build
@@ -16,6 +16,7 @@ EXTRA_COMPONENTS += [
 ]
 
 EXTRA_JS_MODULES.statusbar = [
+    'content-thunk.js',
     'Downloads.jsm',
     'Progress.jsm',
     'Status.jsm',