From 02dfe22389f986ee50d9405bc2ff98c9e107abce Mon Sep 17 00:00:00 2001
From: "huanglei.hl" <huanglei.hl@alibaba-inc.com>
Date: Thu, 28 Mar 2019 18:19:54 +0800
Subject: [PATCH] [iOS] Support change device width and height by external
 interface.

* feature: used on landscape started apps.
---
 ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.h  | 2 ++
 ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm | 8 ++++++++
 ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h  | 5 ++++-
 ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m  | 5 +++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.h b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.h
index 93689e84e7..a90ad75074 100644
--- a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.h
+++ b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.h
@@ -163,6 +163,8 @@ namespace WeexCore
 
 + (void)setViewportWidth:(NSString*)pageId width:(CGFloat)width;
 
++ (void)setPageRequired:(NSString *)pageId width:(CGFloat)width height:(CGFloat)height;
+
 + (void)layoutPage:(NSString*)pageId forced:(BOOL)forced;
 
 + (void)closePage:(NSString*)pageId;
diff --git a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
index 1802d3f3fa..344687968b 100644
--- a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
+++ b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
@@ -845,6 +845,14 @@ + (void)setViewportWidth:(NSString*)pageId width:(CGFloat)width
     }
 }
 
++ (void)setPageRequired:(NSString *)pageId width:(CGFloat)width height:(CGFloat)height
+{
+    /// Because env is global, pageId is not used now time.
+    WeexCore::WXCoreEnvironment* env = WeexCore::WXCoreEnvironment::getInstance();
+    env->SetDeviceWidth(std::to_string(width));
+    env->SetDeviceHeight(std::to_string(height));
+}
+
 + (void)layoutPage:(NSString*)pageId forced:(BOOL)forced
 {
     if (platformBridge) {
diff --git a/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h b/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h
index 87e26f9129..6127745c2a 100644
--- a/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h
+++ b/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h
@@ -345,7 +345,10 @@ typedef NS_ENUM(NSInteger, WXErrorCode) {//error.code
 
 @property (nonatomic ,strong) WXApmForInstance* apmInstance;
 
-
+/**
+ * Application required Page Width and Height to prevent Weex use DeviceWidth directly.
+ */
+- (void)setPageRequiredWidth:(CGFloat)width height:(CGFloat)height;
 
 /** 
  * Deprecated 
diff --git a/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m b/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m
index ee72b35721..96aabee55b 100644
--- a/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m
+++ b/ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m
@@ -210,6 +210,11 @@ - (void)setViewportWidth:(CGFloat)viewportWidth
     [WXCoreBridge setViewportWidth:_instanceId width:viewportWidth];
 }
 
+- (void)setPageRequiredWidth:(CGFloat)width height:(CGFloat)height
+{
+    [WXCoreBridge setPageRequired:_instanceId width:width height:height];
+}
+
 - (void)renderWithURL:(NSURL *)url
 {
     [self renderWithURL:url options:nil data:nil];