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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/210392">210392</a></dd>
<dt>Author</dt> <dd>matthew_hanson@apple.com</dd>
<dt>Date</dt> <dd>2017-01-05 15:49:44 -0800 (Thu, 05 Jan 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/210360">r210360</a>. rdar://problem/19595567</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari603branchSourceWebCoreChangeLog">branches/safari-603-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari603branchSourceWebCorepagemacDragControllerMacmm">branches/safari-603-branch/Source/WebCore/page/mac/DragControllerMac.mm</a></li>
<li><a href="#branchessafari603branchSourceWebCoreplatformDragDatah">branches/safari-603-branch/Source/WebCore/platform/DragData.h</a></li>
<li><a href="#branchessafari603branchSourceWebCoreplatformmacDragDataMacmm">branches/safari-603-branch/Source/WebCore/platform/mac/DragDataMac.mm</a></li>
<li><a href="#branchessafari603branchSourceWebKitmacChangeLog">branches/safari-603-branch/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#branchessafari603branchSourceWebKitmacMiscWebNSPasteboardExtrasmm">branches/safari-603-branch/Source/WebKit/mac/Misc/WebNSPasteboardExtras.mm</a></li>
<li><a href="#branchessafari603branchSourceWebKitmacWebViewWebViewmm">branches/safari-603-branch/Source/WebKit/mac/WebView/WebView.mm</a></li>
<li><a href="#branchessafari603branchSourceWebKit2ChangeLog">branches/safari-603-branch/Source/WebKit2/ChangeLog</a></li>
<li><a href="#branchessafari603branchSourceWebKit2SharedWebCoreArgumentCoderscpp">branches/safari-603-branch/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp</a></li>
<li><a href="#branchessafari603branchSourceWebKit2SharedmacPasteboardTypesmm">branches/safari-603-branch/Source/WebKit2/Shared/mac/PasteboardTypes.mm</a></li>
<li><a href="#branchessafari603branchSourceWebKit2UIProcessCocoaWebViewImplh">branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h</a></li>
<li><a href="#branchessafari603branchSourceWebKit2UIProcessCocoaWebViewImplmm">branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari603branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebCore/ChangeLog (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebCore/ChangeLog        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebCore/ChangeLog        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -1,5 +1,34 @@
</span><span class="cx"> 2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r210360. rdar://problem/19595567
+
+    2017-01-05  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+            Support File Promise during drag for macOS.
+            https://bugs.webkit.org/show_bug.cgi?id=165204
+            rdar://problem/19595567
+
+            Reviewed by Tim Horton.
+
+            Adds the support for handling File Promise type during
+            drag. DragData now has the knowledge of the NSFilesPromisePboardType and
+            checks for the data type during drag.
+
+            * page/mac/DragControllerMac.mm:
+            (WebCore::DragController::dragOperation):
+            * platform/DragData.h:
+            (WebCore::DragData::setFileNames):
+            (WebCore::DragData::fileNames):
+            * platform/mac/DragDataMac.mm:
+            (WebCore::DragData::containsFiles):
+            (WebCore::DragData::numberOfFiles):
+            (WebCore::DragData::asFilenames):
+            (WebCore::DragData::containsCompatibleContent):
+            (WebCore::DragData::containsPromise):
+            (WebCore::DragData::asURL):
+
+2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
</ins><span class="cx">         Merge r210359. rdar://problem/29882478
</span><span class="cx"> 
</span><span class="cx">     2017-01-05  Per Arne Vollan  &lt;pvollan@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari603branchSourceWebCorepagemacDragControllerMacmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebCore/page/mac/DragControllerMac.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebCore/page/mac/DragControllerMac.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebCore/page/mac/DragControllerMac.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -61,7 +61,7 @@
</span><span class="cx">     
</span><span class="cx"> DragOperation DragController::dragOperation(const DragData&amp; dragData)
</span><span class="cx"> {
</span><del>-    if ((dragData.flags() &amp; DragApplicationIsModal) || !dragData.containsURL())
</del><ins>+    if ((dragData.flags() &amp; DragApplicationIsModal) || !(dragData.containsURL() || dragData.containsPromise()))
</ins><span class="cx">         return DragOperationNone;
</span><span class="cx"> 
</span><span class="cx">     if (!m_documentUnderMouse || (!(dragData.flags() &amp; (DragApplicationHasAttachedSheet | DragApplicationIsSource))))
</span></span></pre></div>
<a id="branchessafari603branchSourceWebCoreplatformDragDatah"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebCore/platform/DragData.h (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebCore/platform/DragData.h        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebCore/platform/DragData.h        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -105,8 +105,11 @@
</span><span class="cx">     bool containsColor() const;
</span><span class="cx">     bool containsFiles() const;
</span><span class="cx">     unsigned numberOfFiles() const;
</span><ins>+    void setFileNames(Vector&lt;String&gt;&amp; fileNames) { m_fileNames = WTFMove(fileNames); }
+    const Vector&lt;String&gt;&amp; fileNames() const { return m_fileNames; }
</ins><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx">     const String&amp; pasteboardName() const { return m_pasteboardName; }
</span><ins>+    bool containsPromise() const;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx"> #if PLATFORM(GTK)
</span><span class="lines">@@ -128,6 +131,7 @@
</span><span class="cx">     DragDataRef m_platformDragData;
</span><span class="cx">     DragOperation m_draggingSourceOperationMask;
</span><span class="cx">     DragApplicationFlags m_applicationFlags;
</span><ins>+    Vector&lt;String&gt; m_fileNames;
</ins><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx">     String m_pasteboardName;
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="branchessafari603branchSourceWebCoreplatformmacDragDataMacmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebCore/platform/mac/DragDataMac.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebCore/platform/mac/DragDataMac.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebCore/platform/mac/DragDataMac.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -73,7 +73,7 @@
</span><span class="cx"> {
</span><span class="cx">     Vector&lt;String&gt; types;
</span><span class="cx">     platformStrategies()-&gt;pasteboardStrategy()-&gt;getTypes(types, m_pasteboardName);
</span><del>-    return types.contains(String(NSFilenamesPboardType));
</del><ins>+    return types.contains(String(NSFilenamesPboardType)) || types.contains(String(NSFilesPromisePboardType));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> unsigned DragData::numberOfFiles() const
</span><span class="lines">@@ -80,6 +80,8 @@
</span><span class="cx"> {
</span><span class="cx">     Vector&lt;String&gt; files;
</span><span class="cx">     platformStrategies()-&gt;pasteboardStrategy()-&gt;getPathnamesForType(files, String(NSFilenamesPboardType), m_pasteboardName);
</span><ins>+    if (!files.size())
+        platformStrategies()-&gt;pasteboardStrategy()-&gt;getPathnamesForType(files, String(NSFilesPromisePboardType), m_pasteboardName);
</ins><span class="cx">     return files.size();
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -86,6 +88,8 @@
</span><span class="cx"> void DragData::asFilenames(Vector&lt;String&gt;&amp; result) const
</span><span class="cx"> {
</span><span class="cx">     platformStrategies()-&gt;pasteboardStrategy()-&gt;getPathnamesForType(result, String(NSFilenamesPboardType), m_pasteboardName);
</span><ins>+    if (!result.size())
+        result = fileNames();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool DragData::containsPlainText() const
</span><span class="lines">@@ -128,6 +132,7 @@
</span><span class="cx">     return types.contains(String(WebArchivePboardType))
</span><span class="cx">         || types.contains(String(NSHTMLPboardType))
</span><span class="cx">         || types.contains(String(NSFilenamesPboardType))
</span><ins>+        || types.contains(String(NSFilesPromisePboardType))
</ins><span class="cx">         || types.contains(String(NSTIFFPboardType))
</span><span class="cx">         || types.contains(String(NSPDFPboardType))
</span><span class="cx">         || types.contains(String(NSURLPboardType))
</span><span class="lines">@@ -137,7 +142,14 @@
</span><span class="cx">         || types.contains(String(NSColorPboardType))
</span><span class="cx">         || types.contains(String(kUTTypePNG));
</span><span class="cx"> }
</span><del>-    
</del><ins>+
+bool DragData::containsPromise() const
+{
+    Vector&lt;String&gt; files;
+    platformStrategies()-&gt;pasteboardStrategy()-&gt;getPathnamesForType(files, String(NSFilesPromisePboardType), m_pasteboardName);
+    return files.size() == 1;
+}
+
</ins><span class="cx"> bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const
</span><span class="cx"> {
</span><span class="cx">     return !asURL(filenamePolicy).isEmpty();
</span><span class="lines">@@ -184,7 +196,10 @@
</span><span class="cx">             return [URLByCanonicalizingURL([NSURL fileURLWithPath:files[0]]) absoluteString];
</span><span class="cx">         }
</span><span class="cx">     }
</span><del>-    
</del><ins>+
+    if (types.contains(String(NSFilesPromisePboardType)) &amp;&amp; fileNames().size() == 1)
+        return [URLByCanonicalizingURL([NSURL fileURLWithPath:fileNames()[0]]) absoluteString];
+
</ins><span class="cx">     return String();        
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit/mac/ChangeLog (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit/mac/ChangeLog        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit/mac/ChangeLog        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -1,5 +1,25 @@
</span><span class="cx"> 2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r210360. rdar://problem/19595567
+
+    2017-01-05  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+            Support File Promise during drag for macOS.
+            https://bugs.webkit.org/show_bug.cgi?id=165204
+            rdar://problem/19595567
+
+            Reviewed by Tim Horton.
+
+            Adds support for dropping a File Promise in a WebView.
+            The implementation uses new File Promise API available in Sierra.
+
+            * Misc/WebNSPasteboardExtras.mm:
+            (+[NSPasteboard _web_dragTypesForURL]):
+            * WebView/WebView.mm:
+            (-[WebView performDragOperation:]):
+
+2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
</ins><span class="cx">         Merge r210273. rdar://problem/29834093
</span><span class="cx"> 
</span><span class="cx">     2017-01-04  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKitmacMiscWebNSPasteboardExtrasmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit/mac/Misc/WebNSPasteboardExtras.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit/mac/Misc/WebNSPasteboardExtras.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit/mac/Misc/WebNSPasteboardExtras.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -113,6 +113,9 @@
</span><span class="cx">         WebURLNamePboardType,
</span><span class="cx">         NSStringPboardType,
</span><span class="cx">         NSFilenamesPboardType,
</span><ins>+#if __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
+        NSFilesPromisePboardType,
+#endif
</ins><span class="cx">         nil];
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKitmacWebViewWebViewmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit/mac/WebView/WebView.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit/mac/WebView/WebView.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit/mac/WebView/WebView.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -40,6 +40,7 @@
</span><span class="cx"> #import &quot;StorageThread.h&quot;
</span><span class="cx"> #import &quot;WebAlternativeTextClient.h&quot;
</span><span class="cx"> #import &quot;WebApplicationCacheInternal.h&quot;
</span><ins>+#import &quot;WebArchive.h&quot;
</ins><span class="cx"> #import &quot;WebBackForwardListInternal.h&quot;
</span><span class="cx"> #import &quot;WebBaseNetscapePluginView.h&quot;
</span><span class="cx"> #import &quot;WebCache.h&quot;
</span><span class="lines">@@ -6519,8 +6520,46 @@
</span><span class="cx"> {
</span><span class="cx">     IntPoint client([draggingInfo draggingLocation]);
</span><span class="cx">     IntPoint global(globalPoint([draggingInfo draggingLocation], [self window]));
</span><del>-    DragData dragData(draggingInfo, client, global, static_cast&lt;DragOperation&gt;([draggingInfo draggingSourceOperationMask]), [self applicationFlags:draggingInfo]);
-    return core(self)-&gt;dragController().performDragOperation(dragData);
</del><ins>+    DragData *dragData = new DragData(draggingInfo, client, global, static_cast&lt;DragOperation&gt;([draggingInfo draggingSourceOperationMask]), [self applicationFlags:draggingInfo]);
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
+    NSArray* types = draggingInfo.draggingPasteboard.types;
+    if (![types containsObject:WebArchivePboardType] &amp;&amp; ![types containsObject:NSFilenamesPboardType] &amp;&amp; [types containsObject:NSFilesPromisePboardType]) {
+        NSArray *files = [draggingInfo.draggingPasteboard propertyListForType:NSFilesPromisePboardType];
+        if (![files isKindOfClass:[NSArray class]]) {
+            delete dragData;
+            return false;
+        }
+        size_t fileCount = files.count;
+        Vector&lt;String&gt; *fileNames = new Vector&lt;String&gt;;
+        NSURL *dropLocation = [NSURL fileURLWithPath:NSTemporaryDirectory() isDirectory:YES];
+        [draggingInfo enumerateDraggingItemsWithOptions:0 forView:self classes:@[[NSFilePromiseReceiver class]] searchOptions:@{ } usingBlock:^(NSDraggingItem * __nonnull draggingItem, NSInteger idx, BOOL * __nonnull stop) {
+            NSFilePromiseReceiver *item = draggingItem.item;
+            NSDictionary *options = @{ };
+
+            [item receivePromisedFilesAtDestination:dropLocation options:options operationQueue:[NSOperationQueue new] reader:^(NSURL * _Nonnull fileURL, NSError * _Nullable errorOrNil) {
+                if (errorOrNil)
+                    return;
+
+                dispatch_async(dispatch_get_main_queue(), [self, path = RetainPtr&lt;NSString&gt;(fileURL.path), fileNames, fileCount, dragData] {
+                    fileNames-&gt;append(path.get());
+                    if (fileNames-&gt;size() == fileCount) {
+                        dragData-&gt;setFileNames(*fileNames);
+                        core(self)-&gt;dragController().performDragOperation(*dragData);
+                        delete dragData;
+                        delete fileNames;
+                    }
+                });
+            }];
+        }];
+
+        return true;
+    }
+#endif
+    bool returnValue = core(self)-&gt;dragController().performDragOperation(*dragData);
+    delete dragData;
+
+    return returnValue;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (NSView *)_hitTest:(NSPoint *)point dragTypes:(NSSet *)types
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit2/ChangeLog (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit2/ChangeLog        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit2/ChangeLog        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -1,5 +1,32 @@
</span><span class="cx"> 2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r210360. rdar://problem/19595567
+
+    2017-01-05  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+            Support File Promise during drag for macOS.
+            https://bugs.webkit.org/show_bug.cgi?id=165204
+            rdar://problem/19595567
+
+            Reviewed by Tim Horton.
+
+            Adds support for dropping a File Promise in a WKWebView.
+            The implementation uses new File Promise API available in Sierra.
+
+            * Shared/WebCoreArgumentCoders.cpp:
+            (IPC::ArgumentCoder&lt;DragData&gt;::encode):
+            (IPC::ArgumentCoder&lt;DragData&gt;::decode):
+            * Shared/mac/PasteboardTypes.mm:
+            (WebKit::PasteboardTypes::forURL):
+            * UIProcess/Cocoa/WebViewImpl.h:
+            * UIProcess/Cocoa/WebViewImpl.mm:
+            (WebKit::WebViewImpl::createSandboxExtensionsIfNeeded):
+            (WebKit::WebViewImpl::performDragOperation):
+            (WebKit::maybeCreateSandboxExtensionFromPasteboard): Deleted.
+            (WebKit::createSandboxExtensionsForFileUpload): Deleted.
+
+2017-01-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
</ins><span class="cx">         Merge r210266. rdar://problem/29447824
</span><span class="cx"> 
</span><span class="cx">     2017-01-03  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKit2SharedWebCoreArgumentCoderscpp"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -1225,6 +1225,7 @@
</span><span class="cx">     encoder.encodeEnum(dragData.flags());
</span><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx">     encoder &lt;&lt; dragData.pasteboardName();
</span><ins>+    encoder &lt;&lt; dragData.fileNames();
</ins><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -1251,8 +1252,12 @@
</span><span class="cx">     if (!decoder.decode(pasteboardName))
</span><span class="cx">         return false;
</span><span class="cx"> #endif
</span><ins>+    Vector&lt;String&gt; fileNames;
+    if (!decoder.decode(fileNames))
+        return false;
</ins><span class="cx"> 
</span><span class="cx">     dragData = DragData(pasteboardName, clientPosition, globalPosition, draggingSourceOperationMask, applicationFlags);
</span><ins>+    dragData.setFileNames(fileNames);
</ins><span class="cx"> 
</span><span class="cx">     return true;
</span><span class="cx"> }
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKit2SharedmacPasteboardTypesmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit2/Shared/mac/PasteboardTypes.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit2/Shared/mac/PasteboardTypes.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit2/Shared/mac/PasteboardTypes.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -53,7 +53,11 @@
</span><span class="cx"> 
</span><span class="cx"> NSArray* PasteboardTypes::forURL()
</span><span class="cx"> {
</span><del>-    static NSArray *types = retain([NSArray arrayWithObjects:WebURLsWithTitlesPboardType, NSURLPboardType, WebURLPboardType,  WebURLNamePboardType, NSStringPboardType, NSFilenamesPboardType, nil]);
</del><ins>+    static NSArray *types = retain([NSArray arrayWithObjects:WebURLsWithTitlesPboardType, NSURLPboardType, WebURLPboardType,  WebURLNamePboardType, NSStringPboardType, NSFilenamesPboardType,
+#if __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
+                                    NSFilesPromisePboardType,
+#endif
+                                    nil]);
</ins><span class="cx">     return types;
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKit2UIProcessCocoaWebViewImplh"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -583,6 +583,7 @@
</span><span class="cx"> 
</span><span class="cx">     bool mightBeginDragWhileInactive();
</span><span class="cx">     bool mightBeginScrollWhileInactive();
</span><ins>+    void createSandboxExtensionsIfNeeded(const Vector&lt;String&gt;&amp; files, SandboxExtension::Handle&amp;, SandboxExtension::HandleArray&amp; handles);
</ins><span class="cx"> 
</span><span class="cx"> #if __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
</span><span class="cx">     void handleRequestedCandidates(NSInteger sequenceNumber, NSArray&lt;NSTextCheckingResult *&gt; *candidates);
</span></span></pre></div>
<a id="branchessafari603branchSourceWebKit2UIProcessCocoaWebViewImplmm"></a>
<div class="modfile"><h4>Modified: branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm (210391 => 210392)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm        2017-01-05 23:49:39 UTC (rev 210391)
+++ branches/safari-603-branch/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm        2017-01-05 23:49:44 UTC (rev 210392)
</span><span class="lines">@@ -3625,43 +3625,24 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-// FIXME: This code is more or less copied from Pasteboard::getBestURL.
-// It would be nice to be able to share the code somehow.
-static bool maybeCreateSandboxExtensionFromPasteboard(NSPasteboard *pasteboard, SandboxExtension::Handle&amp; sandboxExtensionHandle)
</del><ins>+void WebViewImpl::createSandboxExtensionsIfNeeded(const Vector&lt;String&gt;&amp; files, SandboxExtension::Handle&amp; handle, SandboxExtension::HandleArray&amp; handles)
</ins><span class="cx"> {
</span><del>-    NSArray *types = pasteboard.types;
-    if (![types containsObject:NSFilenamesPboardType])
-        return false;
</del><ins>+    if (!files.size())
+        return;
</ins><span class="cx"> 
</span><del>-    NSArray *files = [pasteboard propertyListForType:NSFilenamesPboardType];
-    if (files.count != 1)
-        return false;
</del><ins>+    if (files.size() == 1) {
+        BOOL isDirectory;
+        if ([[NSFileManager defaultManager] fileExistsAtPath:files[0] isDirectory:&amp;isDirectory] &amp;&amp; !isDirectory) {
+            SandboxExtension::createHandle(&quot;/&quot;, SandboxExtension::ReadOnly, handle);
+            m_page-&gt;process().willAcquireUniversalFileReadSandboxExtension();
+        }
+    }
</ins><span class="cx"> 
</span><del>-    NSString *file = [files objectAtIndex:0];
-    BOOL isDirectory;
-    if (![[NSFileManager defaultManager] fileExistsAtPath:file isDirectory:&amp;isDirectory])
-        return false;
-
-    if (isDirectory)
-        return false;
-
-    SandboxExtension::createHandle(&quot;/&quot;, SandboxExtension::ReadOnly, sandboxExtensionHandle);
-    return true;
-}
-
-static void createSandboxExtensionsForFileUpload(NSPasteboard *pasteboard, SandboxExtension::HandleArray&amp; handles)
-{
-    NSArray *types = pasteboard.types;
-    if (![types containsObject:NSFilenamesPboardType])
-        return;
-
-    NSArray *files = [pasteboard propertyListForType:NSFilenamesPboardType];
-    handles.allocate(files.count);
-    for (unsigned i = 0; i &lt; files.count; i++) {
-        NSString *file = [files objectAtIndex:i];
</del><ins>+    handles.allocate(files.size());
+    for (size_t i = 0; i&lt; files.size(); i++) {
+        NSString *file = files[i];
</ins><span class="cx">         if (![[NSFileManager defaultManager] fileExistsAtPath:file])
</span><span class="cx">             continue;
</span><del>-        SandboxExtension::Handle handle;
</del><span class="cx">         SandboxExtension::createHandle(file, SandboxExtension::ReadOnly, handles[i]);
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="lines">@@ -3670,18 +3651,67 @@
</span><span class="cx"> {
</span><span class="cx">     WebCore::IntPoint client([m_view convertPoint:draggingInfo.draggingLocation fromView:nil]);
</span><span class="cx">     WebCore::IntPoint global(WebCore::globalPoint(draggingInfo.draggingLocation, m_view.window));
</span><del>-    WebCore::DragData dragData(draggingInfo, client, global, static_cast&lt;WebCore::DragOperation&gt;(draggingInfo.draggingSourceOperationMask), applicationFlagsForDrag(m_view, draggingInfo));
</del><ins>+    WebCore::DragData *dragData = new WebCore::DragData(draggingInfo, client, global, static_cast&lt;WebCore::DragOperation&gt;(draggingInfo.draggingSourceOperationMask), applicationFlagsForDrag(m_view, draggingInfo));
</ins><span class="cx"> 
</span><ins>+    NSArray *types = draggingInfo.draggingPasteboard.types;
</ins><span class="cx">     SandboxExtension::Handle sandboxExtensionHandle;
</span><del>-    bool createdExtension = maybeCreateSandboxExtensionFromPasteboard(draggingInfo.draggingPasteboard, sandboxExtensionHandle);
-    if (createdExtension)
-        m_page-&gt;process().willAcquireUniversalFileReadSandboxExtension();
-
</del><span class="cx">     SandboxExtension::HandleArray sandboxExtensionForUpload;
</span><del>-    createSandboxExtensionsForFileUpload(draggingInfo.draggingPasteboard, sandboxExtensionForUpload);
</del><span class="cx"> 
</span><del>-    m_page-&gt;performDragOperation(dragData, draggingInfo.draggingPasteboard.name, sandboxExtensionHandle, sandboxExtensionForUpload);
</del><ins>+    if ([types containsObject:NSFilenamesPboardType]) {
+        NSArray *files = [draggingInfo.draggingPasteboard propertyListForType:NSFilenamesPboardType];
+        if (![files isKindOfClass:[NSArray class]]) {
+            delete dragData;
+            return false;
+        }
</ins><span class="cx"> 
</span><ins>+        Vector&lt;String&gt; fileNames;
+
+        for (NSString *file in files)
+            fileNames.append(file);
+        createSandboxExtensionsIfNeeded(fileNames, sandboxExtensionHandle, sandboxExtensionForUpload);
+    }
+#if __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
+    else if (![types containsObject:WebArchivePboardType] &amp;&amp; [types containsObject:NSFilesPromisePboardType]) {
+        NSArray *files = [draggingInfo.draggingPasteboard propertyListForType:NSFilesPromisePboardType];
+        if (![files isKindOfClass:[NSArray class]]) {
+            delete dragData;
+            return false;
+        }
+        size_t fileCount = files.count;
+        Vector&lt;String&gt; *fileNames = new Vector&lt;String&gt;;
+        NSURL *dropLocation = [NSURL fileURLWithPath:NSTemporaryDirectory() isDirectory:YES];
+        String pasteboardName = draggingInfo.draggingPasteboard.name;
+        [draggingInfo enumerateDraggingItemsWithOptions:0 forView:m_view classes:@[[NSFilePromiseReceiver class]] searchOptions:@{ } usingBlock:^(NSDraggingItem * __nonnull draggingItem, NSInteger idx, BOOL * __nonnull stop) {
+            NSFilePromiseReceiver *item = draggingItem.item;
+            NSDictionary *options = @{ };
+
+            [item receivePromisedFilesAtDestination:dropLocation options:options operationQueue:[NSOperationQueue new] reader:^(NSURL * _Nonnull fileURL, NSError * _Nullable errorOrNil) {
+                if (errorOrNil)
+                    return;
+
+                dispatch_async(dispatch_get_main_queue(), [this, path = RetainPtr&lt;NSString&gt;(fileURL.path), fileNames, fileCount, dragData, pasteboardName] {
+                    fileNames-&gt;append(path.get());
+                    if (fileNames-&gt;size() == fileCount) {
+                        SandboxExtension::Handle sandboxExtensionHandle;
+                        SandboxExtension::HandleArray sandboxExtensionForUpload;
+
+                        createSandboxExtensionsIfNeeded(*fileNames, sandboxExtensionHandle, sandboxExtensionForUpload);
+                        dragData-&gt;setFileNames(*fileNames);
+                        m_page-&gt;performDragOperation(*dragData, pasteboardName, sandboxExtensionHandle, sandboxExtensionForUpload);
+                        delete dragData;
+                        delete fileNames;
+                    }
+                });
+            }];
+        }];
+
+        return true;
+    }
+#endif
+
+    m_page-&gt;performDragOperation(*dragData, draggingInfo.draggingPasteboard.name, sandboxExtensionHandle, sandboxExtensionForUpload);
+    delete dragData;
+
</ins><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre>
</div>
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