From cc9ff757b0fd901417b5f7ef793190ada876712b Mon Sep 17 00:00:00 2001
From: Adam Bradley <adambradley25@gmail.com>
Date: Tue, 21 Jul 2015 21:58:34 -0500
Subject: [PATCH] Platform isPortrait/isLandscape

---
 ionic/components/app/app.ts |  5 +++--
 ionic/platform/platform.ts  | 30 ++++++++++++++++++++++--------
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/ionic/components/app/app.ts b/ionic/components/app/app.ts
index e950daa8fe..985c09254f 100644
--- a/ionic/components/app/app.ts
+++ b/ionic/components/app/app.ts
@@ -165,10 +165,11 @@ function initApp(window, document, config) {
   // Platform is a global singleton
   Platform.url(window.location.href);
   Platform.userAgent(window.navigator.userAgent);
-  Platform.width(window.innerWidth);
-  Platform.height(window.innerHeight);
   Platform.load(config);
 
+  // on resize be sure to clear out existing window dimensions
+  window.addEventListener('resize', Platform.resetDimensions);
+
   return app;
 }
 
diff --git a/ionic/platform/platform.ts b/ionic/platform/platform.ts
index 8a2748cd67..21d7981ad9 100644
--- a/ionic/platform/platform.ts
+++ b/ionic/platform/platform.ts
@@ -106,18 +106,32 @@ export class PlatformCtrl {
     return this._ua;
   }
 
-  width(val) {
-    if (arguments.length) {
-      this._w = val;
+  width() {
+    if (!this._w) {
+      this._w = window.innerWidth;
+      this._h = window.innerHeight;
     }
-    return this._w || 0;
+    return this._w;
   }
 
-  height(val) {
-    if (arguments.length) {
-      this._h = val;
+  height() {
+    if (!this._h) {
+      this._w = window.innerWidth;
+      this._h = window.innerHeight;
     }
-    return this._h || 0;
+    return this._h;
+  }
+
+  isPortrait() {
+    return this.width() < this.height();
+  }
+
+  isLandscape() {
+    return !this.isPortrait();
+  }
+
+  resetDimensions() {
+    this._w = this._h = 0;
   }