Implement apps v2 custom window frame.

remoting/webapp/client_session.js

Index: remoting/webapp/client_session.js
diff --git a/remoting/webapp/client_session.js b/remoting/webapp/client_session.js
index 92ded18175d512d6998eccecc0e4535e1d021bff..cec1a676f294a699517d1777707c88c5af47d4ba 100644
--- a/remoting/webapp/client_session.js
+++ b/remoting/webapp/client_session.js
@@ -178,28 +178,29 @@ remoting.ClientSession.prototype.updateScrollbarVisibility = function() {
   if (!this.shrinkToFit_) {
     // Determine whether or not horizontal or vertical scrollbars are
     // required, taking into account their width.
-    needsVerticalScroll = window.innerHeight < this.plugin_.desktopHeight;
-    needsHorizontalScroll = window.innerWidth < this.plugin_.desktopWidth;
+    var clientArea = this.getClientArea_();
+    needsVerticalScroll = clientArea.height < this.plugin_.desktopHeight;
+    needsHorizontalScroll = clientArea.width < this.plugin_.desktopWidth;
     var kScrollBarWidth = 16;
     if (needsHorizontalScroll && !needsVerticalScroll) {
       needsVerticalScroll =
-          window.innerHeight - kScrollBarWidth < this.plugin_.desktopHeight;
+          clientArea.height - kScrollBarWidth < this.plugin_.desktopHeight;
     } else if (!needsHorizontalScroll && needsVerticalScroll) {
       needsHorizontalScroll =
-          window.innerWidth - kScrollBarWidth < this.plugin_.desktopWidth;
+          clientArea.width - kScrollBarWidth < this.plugin_.desktopWidth;
     }
   }
 
-  var htmlNode = /** @type {HTMLElement} */ (document.documentElement);
+  var scroller = document.getElementById('scroller');
   if (needsHorizontalScroll) {
-    htmlNode.classList.remove('no-horizontal-scroll');
+    scroller.classList.remove('no-horizontal-scroll');
   } else {
-    htmlNode.classList.add('no-horizontal-scroll');
+    scroller.classList.add('no-horizontal-scroll');
   }
   if (needsVerticalScroll) {
-    htmlNode.classList.remove('no-vertical-scroll');
+    scroller.classList.remove('no-vertical-scroll');
   } else {
-    htmlNode.classList.add('no-vertical-scroll');
+    scroller.classList.add('no-vertical-scroll');
   }
 };
 
@@ -553,6 +554,9 @@ remoting.ClientSession.prototype.removePlugin = function() {
       function() {
         remoting.fullscreen.removeListener(listener);
       });
+  if (remoting.windowFrame) {
+    remoting.windowFrame.setConnected(false);
+  }
 
   // Remove mediasource-rendering class from video-contained - this will also
   // hide the <video> element.
@@ -738,9 +742,10 @@ remoting.ClientSession.prototype.onSetScreenMode_ = function(event) {
 remoting.ClientSession.prototype.setScreenMode_ =
     function(shrinkToFit, resizeToClient) {
   if (resizeToClient && !this.resizeToClient_) {
-    this.plugin_.notifyClientResolution(window.innerWidth,
-                                       window.innerHeight,
-                                       window.devicePixelRatio);
+    var clientArea = this.getClientArea_();
+    this.plugin_.notifyClientResolution(clientArea.width,
+                                        clientArea.height,
+                                        window.devicePixelRatio);
   }
 
   // If enabling shrink, reset bump-scroll offsets.
@@ -925,13 +930,18 @@ remoting.ClientSession.prototype.onConnectionStatusUpdate_ =
     this.setFocusHandlers_();
     this.onDesktopSizeChanged_();
     if (this.resizeToClient_) {
-      this.plugin_.notifyClientResolution(window.innerWidth,
-                                         window.innerHeight,
-                                         window.devicePixelRatio);
+      var clientArea = this.getClientArea_();
+      this.plugin_.notifyClientResolution(clientArea.width,
+                                          clientArea.height,
+                                          window.devicePixelRatio);
     }
-    // Start listening for full-screen related events.
+    // Activate full-screen related UX.
     remoting.fullscreen.addListener(this.callOnFullScreenChanged_);
     remoting.fullscreen.syncWithMaximize(true);
+    if (remoting.windowFrame) {
+      remoting.windowFrame.setConnected(true);
+    }
+
   } else if (status == remoting.ClientSession.State.FAILED) {
     switch (error) {
       case remoting.ClientSession.ConnectionError.HOST_IS_OFFLINE:
@@ -988,9 +998,10 @@ remoting.ClientSession.prototype.onSetCapabilities_ = function(capabilities) {
   this.capabilities_ = capabilities;
   if (this.hasCapability_(
       remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION)) {
-    this.plugin_.notifyClientResolution(window.innerWidth,
-                                       window.innerHeight,
-                                       window.devicePixelRatio);
+    var clientArea = this.getClientArea_();
+    this.plugin_.notifyClientResolution(clientArea.width,
+                                        clientArea.height,
+                                        window.devicePixelRatio);
   }
 };
 
@@ -1048,10 +1059,11 @@ remoting.ClientSession.prototype.onResize = function() {
         remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS)) {
       kResizeRateLimitMs = 250;
     }
+    var clientArea = this.getClientArea_();
     this.notifyClientResolutionTimer_ = window.setTimeout(
         this.plugin_.notifyClientResolution.bind(this.plugin_,
-                                                 window.innerWidth,
-                                                 window.innerHeight,
+                                                 clientArea.width,
+                                                 clientArea.height,
                                                  window.devicePixelRatio),
         kResizeRateLimitMs);
   }
@@ -1116,8 +1128,7 @@ remoting.ClientSession.prototype.updateDimensions = function() {
     return;
   }
 
-  var windowWidth = window.innerWidth;
-  var windowHeight = window.innerHeight;
+  var clientArea = this.getClientArea_();
   var desktopWidth = this.plugin_.desktopWidth;
   var desktopHeight = this.plugin_.desktopHeight;
 
@@ -1142,8 +1153,9 @@ remoting.ClientSession.prototype.updateDimensions = function() {
 
   if (this.shrinkToFit_) {
     // Reduce the scale, if necessary, to fit the whole desktop in the window.
-    var scaleFitWidth = Math.min(scale, 1.0 * windowWidth / desktopWidth);
-    var scaleFitHeight = Math.min(scale, 1.0 * windowHeight / desktopHeight);
+    var scaleFitWidth = Math.min(scale, 1.0 * clientArea.width / desktopWidth);
+    var scaleFitHeight =
+        Math.min(scale, 1.0 * clientArea.height / desktopHeight);
     scale = Math.min(scaleFitHeight, scaleFitWidth);
 
     // If we're running full-screen then try to handle common side-by-side
@@ -1302,12 +1314,13 @@ remoting.ClientSession.prototype.scroll_ = function(dx, dy) {
   };
 
   var stopX = { stop: false };
+  var clientArea = this.getClientArea_();
   style.marginLeft = adjustMargin(style.marginLeft, dx,
-                                  window.innerWidth, plugin.clientWidth, stopX);
+                                  clientArea.width, plugin.clientWidth, stopX);
 
   var stopY = { stop: false };
-  style.marginTop = adjustMargin(style.marginTop, dy,
-                                window.innerHeight, plugin.clientHeight, stopY);
+  style.marginTop = adjustMargin(
+      style.marginTop, dy, clientArea.height, plugin.clientHeight, stopY);
   return stopX.stop && stopY.stop;
 };
 
@@ -1364,8 +1377,9 @@ remoting.ClientSession.prototype.onMouseMove_ = function(event) {
     return 0;
   };
 
-  var dx = computeDelta(event.x, window.innerWidth);
-  var dy = computeDelta(event.y, window.innerHeight);
+  var clientArea = this.getClientArea_();
+  var dx = computeDelta(event.x, clientArea.width);
+  var dy = computeDelta(event.y, clientArea.height);
 
   if (dx != 0 || dy != 0) {
     /** @type {remoting.ClientSession} */
@@ -1443,3 +1457,15 @@ remoting.ClientSession.prototype.createGnubbyAuthHandler_ = function() {
     this.sendGnubbyAuthMessage({'type': 'control', 'option': 'auth-v1'});
   }
 };
+
+/**
+ * @return {{width: number, height: number}} The height of the window's client
+ *     area. This differs between apps v1 and apps v2 due to the custom window
+ *     borders used by the latter.
+ * @private
+ */
+remoting.ClientSession.prototype.getClientArea_ = function() {
+  return remoting.windowFrame ?
+      remoting.windowFrame.getClientArea() :
+      { 'width': window.innerWidth, 'height': window.innerHeight };
+}