Add support for 'orientation' in Manifest.

content/renderer/manifest/manifest_parser.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/manifest/manifest_parser.h"
 
 #include "base/json/json_reader.h"
 #include "base/strings/nullable_string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 82 matching lines @@
   else if (LowerCaseEqualsASCII(display.string(), "standalone"))
     return Manifest::DISPLAY_MODE_STANDALONE;
   else if (LowerCaseEqualsASCII(display.string(), "minimal-ui"))
     return Manifest::DISPLAY_MODE_MINIMAL_UI;
   else if (LowerCaseEqualsASCII(display.string(), "browser"))
     return Manifest::DISPLAY_MODE_BROWSER;
   else
     return Manifest::DISPLAY_MODE_UNSPECIFIED;
 }
 
+// Parses the 'orientation' field of the manifest, as defined in:
+// http://w3c.github.io/manifest/#dfn-steps-for-processing-the-orientation-member
+// Returns the parsed WebScreenOrientationLockType if any,
+// WebScreenOrientationLockDefault if the parsing failed.
+blink::WebScreenOrientationLockType ParseOrientation(
+    const base::DictionaryValue& dictionary) {
+  base::NullableString16 orientation =
+      ParseString(dictionary, "orientation", Trim);
+
+  if (orientation.is_null())
+    return blink::WebScreenOrientationLockDefault;
+
+  if (LowerCaseEqualsASCII(orientation.string(), "any"))
+    return blink::WebScreenOrientationLockAny;
+  else if (LowerCaseEqualsASCII(orientation.string(), "natural"))
+    return blink::WebScreenOrientationLockNatural;
+  else if (LowerCaseEqualsASCII(orientation.string(), "landscape"))
+    return blink::WebScreenOrientationLockLandscape;
+  else if (LowerCaseEqualsASCII(orientation.string(), "landscape-primary"))
+    return blink::WebScreenOrientationLockLandscapePrimary;
+  else if (LowerCaseEqualsASCII(orientation.string(), "landscape-secondary"))
+    return blink::WebScreenOrientationLockLandscapeSecondary;
+  else if (LowerCaseEqualsASCII(orientation.string(), "portrait"))
+    return blink::WebScreenOrientationLockPortrait;
+  else if (LowerCaseEqualsASCII(orientation.string(), "portrait-primary"))
+    return blink::WebScreenOrientationLockPortraitPrimary;
+  else if (LowerCaseEqualsASCII(orientation.string(), "portrait-secondary"))
+    return blink::WebScreenOrientationLockPortraitSecondary;
+  else
+    return blink::WebScreenOrientationLockDefault;
+}
+
 } // anonymous namespace
 
 Manifest ManifestParser::Parse(const base::StringPiece& json,
                                const GURL& manifest_url,
                                const GURL& document_url) {
   scoped_ptr<base::Value> value(base::JSONReader::Read(json));
   if (!value) {
     // TODO(mlamouri): get the JSON parsing error and report it to the developer
     // console.
     return Manifest();
@@ skipping 10 matching lines @@
     // TODO(mlamouri): provide a custom message to the developer console.
     return Manifest();
   }
 
   Manifest manifest;
 
   manifest.name = ParseName(*dictionary);
   manifest.short_name = ParseShortName(*dictionary);
   manifest.start_url = ParseStartURL(*dictionary, manifest_url, document_url);
   manifest.display = ParseDisplay(*dictionary);
+  manifest.orientation = ParseOrientation(*dictionary);
 
   return manifest;
 }
 
 } // namespace content