REGRESSION(WebKit2): execCommand('undo') doesn't work (Windows).

https://bugs.webkit.org/show_bug.cgi?id=58056
<rdar://problem/8862023>
        
Reviewed by Oliver Hunt.

Adding support for execCommand('undo') and execCommand('redo')
in WebKit2 for Windows.

* UIProcess/API/C/win/WKView.h:
* UIProcess/win/WebUndoClient.cpp:
(WebKit::WebUndoClient::canUndoRedo):
(WebKit::WebUndoClient::executeUndoRedo):
* UIProcess/win/WebUndoClient.h:
* UIProcess/win/WebView.cpp:
(WebKit::WebView::canUndoRedo):
(WebKit::WebView::executeUndoRedo):



git-svn-id: svn://svn.chromium.org/blink/trunk@83229 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/WebKit2/ChangeLog

+2011-04-07  Enrica Casucci  <enrica@apple.com>
+
+        Reviewed by Oliver Hunt.
+
+        REGRESSION(WebKit2): execCommand('undo') doesn't work (Windows).
+        https://bugs.webkit.org/show_bug.cgi?id=58056
+        <rdar://problem/8862023>
+        
+        Adding support for execCommand('undo') and execCommand('redo')
+        in WebKit2 for Windows.
+
+        * UIProcess/API/C/win/WKView.h:
+        * UIProcess/win/WebUndoClient.cpp:
+        (WebKit::WebUndoClient::canUndoRedo):
+        (WebKit::WebUndoClient::executeUndoRedo):
+        * UIProcess/win/WebUndoClient.h:
+        * UIProcess/win/WebView.cpp:
+        (WebKit::WebView::canUndoRedo):
+        (WebKit::WebView::executeUndoRedo):
+
 2011-04-07  Andrew Scherkus  <scherkus@chromium.org>
 
         Revert ENABLE_TRACK patch due to compile failures.

third_party/WebKit/Source/WebKit2/UIProcess/API/C/win/WKView.h

@@ -43,12 +43,16 @@ typedef uint32_t WKViewUndoType;
 
 typedef void (*WKViewRegisterEditCommandCallback)(WKViewRef, WKEditCommandRef, WKViewUndoType undoOrRedo, const void *clientInfo);
 typedef void (*WKViewClearAllEditCommandsCallback)(WKViewRef, const void *clientInfo);
+typedef bool (*WKViewCanUndoRedoCallback)(WKViewRef, WKViewUndoType undoOrRedo, const void *clientInfo);
+typedef void (*WKViewExecuteUndoRedoCallback)(WKViewRef, WKViewUndoType undoOrRedo, const void *clientInfo);
 
 struct WKViewUndoClient {
     int                                                                 version;
     const void *                                                        clientInfo;
     WKViewRegisterEditCommandCallback                                   registerEditCommand;
     WKViewClearAllEditCommandsCallback                                  clearAllEditCommands;
+    WKViewCanUndoRedoCallback                                           canUndoRedo;
+    WKViewExecuteUndoRedoCallback                                       executeUndoRedo;
 };
 typedef struct WKViewUndoClient WKViewUndoClient;
 

third_party/WebKit/Source/WebKit2/UIProcess/win/WebUndoClient.cpp

@@ -49,5 +49,21 @@ void WebUndoClient::clearAllEditCommands(WebView* view)
     m_client.clearAllEditCommands(toAPI(view), m_client.clientInfo);
 }
 
+bool WebUndoClient::canUndoRedo(WebView* view, WebPageProxy::UndoOrRedo undoOrRedo)
+{
+    if (!m_client.canUndoRedo)
+        return false;
+    
+    return m_client.canUndoRedo(toAPI(view), undoOrRedo, m_client.clientInfo);
+}
+
+void WebUndoClient::executeUndoRedo(WebView* view, WebPageProxy::UndoOrRedo undoOrRedo)
+{
+    if (!m_client.executeUndoRedo)
+        return;
+    
+    m_client.executeUndoRedo(toAPI(view), undoOrRedo, m_client.clientInfo);
+}
+
 } // namespace WebKit
 

third_party/WebKit/Source/WebKit2/UIProcess/win/WebUndoClient.h

@@ -39,6 +39,8 @@ class WebUndoClient : public APIClient<WKViewUndoClient> {
 public:
     void registerEditCommand(WebView*, PassRefPtr<WebEditCommandProxy>, WebPageProxy::UndoOrRedo);
     void clearAllEditCommands(WebView*);
+    bool canUndoRedo(WebView*, WebPageProxy::UndoOrRedo);
+    void executeUndoRedo(WebView*, WebPageProxy::UndoOrRedo);
 };
 
 } // namespace WebKit

third_party/WebKit/Source/WebKit2/UIProcess/win/WebView.cpp

@@ -1051,13 +1051,14 @@ void WebView::clearAllEditCommands()
     m_undoClient.clearAllEditCommands(this);
 }
 
-bool WebView::canUndoRedo(WebPageProxy::UndoOrRedo)
+bool WebView::canUndoRedo(WebPageProxy::UndoOrRedo undoOrRedo)
 {
-    return false;
+    return m_undoClient.canUndoRedo(this, undoOrRedo);
 }
 
-void WebView::executeUndoRedo(WebPageProxy::UndoOrRedo)
+void WebView::executeUndoRedo(WebPageProxy::UndoOrRedo undoOrRedo)
 {
+    m_undoClient.executeUndoRedo(this, undoOrRedo);
 }
     
 void WebView::reapplyEditCommand(WebEditCommandProxy* command)