Added DragListener for Drag & Drop (it's not turned on)

editor/base/nsEditorEventListeners.cpp

@@ -513,6 +513,82 @@ nsTextEditorMouseListener::MouseOut(nsIDOMEvent* aMouseEvent)
   return NS_OK;
 }
 
+/*
+ * nsTextEditorDragListener implementation
+ */
+
+
+
+NS_IMPL_ADDREF(nsTextEditorDragListener)
+
+NS_IMPL_RELEASE(nsTextEditorDragListener)
+
+
+nsTextEditorDragListener::nsTextEditorDragListener() 
+{
+  NS_INIT_REFCNT();
+}
+
+
+
+nsTextEditorDragListener::~nsTextEditorDragListener() 
+{
+}
+
+
+
+nsresult
+nsTextEditorDragListener::QueryInterface(REFNSIID aIID, void** aInstancePtr)
+{
+  if (nsnull == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+  static NS_DEFINE_IID(kIDOMDragListenerIID, NS_IDOMDRAGLISTENER_IID);
+  static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID);
+  static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
+  if (aIID.Equals(kISupportsIID)) {
+    *aInstancePtr = (void*)(nsISupports*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  if (aIID.Equals(kIDOMEventListenerIID)) {
+    *aInstancePtr = (void*)(nsIDOMEventListener*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  if (aIID.Equals(kIDOMDragListenerIID)) {
+    *aInstancePtr = (void*)(nsIDOMDragListener*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  return NS_NOINTERFACE;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::ProcessEvent(nsIDOMEvent* aEvent)
+{
+  return NS_OK;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::DragStart(nsIDOMEvent* aDragEvent)
+{
+  return NS_OK;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::DragDrop(nsIDOMEvent* aMouseEvent)
+{
+  mEditor->InsertText(nsAutoString("hello"));
+  return NS_OK;
+}
+
 
 
 /*
@@ -557,4 +633,20 @@ NS_NewEditorMouseListener(nsIDOMEventListener ** aInstancePtrResult,
 
 
 
+nsresult
+NS_NewEditorDragListener(nsIDOMEventListener ** aInstancePtrResult, 
+                          nsITextEditor *aEditor)
+{
+  nsTextEditorDragListener* it = new nsTextEditorDragListener();
+  if (nsnull == it) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  it->SetEditor(aEditor);
+
+  static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID);
+
+  return it->QueryInterface(kIDOMEventListenerIID, (void **) aInstancePtrResult);   
+}
+
 

editor/base/nsEditorEventListeners.h

@@ -22,6 +22,7 @@
 #include "nsIDOMEvent.h"
 #include "nsIDOMKeyListener.h"
 #include "nsIDOMMouseListener.h"
+#include "nsIDOMDragListener.h"
 #include "nsITextEditor.h"
 #include "nsCOMPtr.h"
 
@@ -100,6 +101,38 @@ protected:
 
 };
 
+/** editor Implementation of the MouseListener interface
+ */
+class nsTextEditorDragListener : public nsIDOMDragListener 
+{
+public:
+  /** default constructor
+   */
+  nsTextEditorDragListener();
+  /** default destructor
+   */
+  virtual ~nsTextEditorDragListener();
+
+  /** SetEditor gives an address to the editor that will be accessed
+   *  @param aEditor the editor this listener calls for editing operations
+   */
+  void SetEditor(nsITextEditor *aEditor){mEditor = do_QueryInterface(aEditor);}
+
+/*interfaces for addref and release and queryinterface*/
+  NS_DECL_ISUPPORTS
+
+/*BEGIN implementations of mouseevent handler interface*/
+    virtual nsresult ProcessEvent(nsIDOMEvent* aEvent);
+public:
+  virtual nsresult DragStart(nsIDOMEvent* aDragEvent);
+  virtual nsresult DragDrop(nsIDOMEvent* aDragEvent);
+/*END implementations of mouseevent handler interface*/
+
+protected:
+  nsCOMPtr<nsITextEditor> mEditor;
+
+};
+
 /** factory for the editor key listener
  */
 extern nsresult NS_NewEditorKeyListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
@@ -108,5 +141,9 @@ extern nsresult NS_NewEditorKeyListener(nsIDOMEventListener ** aInstancePtrResul
  */
 extern nsresult NS_NewEditorMouseListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
 
+/** factory for the editor drag listener
+ */
+extern nsresult NS_NewEditorDragListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
+
 #endif //editorInterfaces_h__
 

editor/base/nsTextEditor.cpp

@@ -35,6 +35,7 @@
 #include "nsIDOMEventReceiver.h" 
 #include "nsIDOMKeyListener.h" 
 #include "nsIDOMMouseListener.h"
+#include "nsIDOMDragListener.h"
 #include "nsIDOMSelection.h"
 #include "nsIDOMRange.h"
 #include "nsIDOMNodeList.h"
@@ -73,6 +74,7 @@ class nsIFrame;
 static NS_DEFINE_IID(kIDOMEventReceiverIID, NS_IDOMEVENTRECEIVER_IID);
 static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
 static NS_DEFINE_IID(kIDOMKeyListenerIID,   NS_IDOMKEYLISTENER_IID);
+static NS_DEFINE_IID(kIDOMDragListenerIID,  NS_IDOMDRAGLISTENER_IID);
 static NS_DEFINE_IID(kIEditPropertyIID,     NS_IEDITPROPERTY_IID);
 
 static NS_DEFINE_CID(kEditorCID,      NS_EDITOR_CID);
@@ -109,6 +111,9 @@ nsTextEditor::~nsTextEditor()
       if (mMouseListenerP) {
         erP->RemoveEventListener(mMouseListenerP, kIDOMMouseListenerIID);
       }
+      if (mDragListenerP) {
+        erP->RemoveEventListener(mDragListenerP, kIDOMDragListenerIID);
+      }
     }
     else
       NS_NOTREACHED("~nsTextEditor");
@@ -168,16 +173,23 @@ NS_IMETHODIMP nsTextEditor::Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell)
       return result;
     }
 
+    result = NS_NewEditorDragListener(getter_AddRefs(mDragListenerP), this);
+    if (NS_OK != result) {
+      //return result;
+    }
+
     nsCOMPtr<nsIDOMEventReceiver> erP;
     result = aDoc->QueryInterface(kIDOMEventReceiverIID, getter_AddRefs(erP));
     if (NS_OK != result) 
     {
       mKeyListenerP = do_QueryInterface(0);
       mMouseListenerP = do_QueryInterface(0); //dont need these if we cant register them
+      mDragListenerP = do_QueryInterface(0); //dont need these if we cant register them
       return result;
     }
     //cmanske: Shouldn't we check result from this?
     erP->AddEventListener(mKeyListenerP, kIDOMKeyListenerIID);
+    //erP->AddEventListener(mDragListenerP, kIDOMDragListenerIID);
     //erP->AddEventListener(mMouseListenerP, kIDOMMouseListenerIID);
 
     // instantiate the rules for this text editor

editor/base/nsTextEditor.h

@@ -124,6 +124,7 @@ protected:
   nsTextEditRules* mRules;
   nsCOMPtr<nsIDOMEventListener> mKeyListenerP;
   nsCOMPtr<nsIDOMEventListener> mMouseListenerP;
+  nsCOMPtr<nsIDOMEventListener> mDragListenerP;
 
 };
 

editor/libeditor/text/nsEditorEventListeners.cpp

@@ -513,6 +513,82 @@ nsTextEditorMouseListener::MouseOut(nsIDOMEvent* aMouseEvent)
   return NS_OK;
 }
 
+/*
+ * nsTextEditorDragListener implementation
+ */
+
+
+
+NS_IMPL_ADDREF(nsTextEditorDragListener)
+
+NS_IMPL_RELEASE(nsTextEditorDragListener)
+
+
+nsTextEditorDragListener::nsTextEditorDragListener() 
+{
+  NS_INIT_REFCNT();
+}
+
+
+
+nsTextEditorDragListener::~nsTextEditorDragListener() 
+{
+}
+
+
+
+nsresult
+nsTextEditorDragListener::QueryInterface(REFNSIID aIID, void** aInstancePtr)
+{
+  if (nsnull == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+  static NS_DEFINE_IID(kIDOMDragListenerIID, NS_IDOMDRAGLISTENER_IID);
+  static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID);
+  static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
+  if (aIID.Equals(kISupportsIID)) {
+    *aInstancePtr = (void*)(nsISupports*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  if (aIID.Equals(kIDOMEventListenerIID)) {
+    *aInstancePtr = (void*)(nsIDOMEventListener*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  if (aIID.Equals(kIDOMDragListenerIID)) {
+    *aInstancePtr = (void*)(nsIDOMDragListener*)this;
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+  return NS_NOINTERFACE;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::ProcessEvent(nsIDOMEvent* aEvent)
+{
+  return NS_OK;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::DragStart(nsIDOMEvent* aDragEvent)
+{
+  return NS_OK;
+}
+
+
+
+nsresult
+nsTextEditorDragListener::DragDrop(nsIDOMEvent* aMouseEvent)
+{
+  mEditor->InsertText(nsAutoString("hello"));
+  return NS_OK;
+}
+
 
 
 /*
@@ -557,4 +633,20 @@ NS_NewEditorMouseListener(nsIDOMEventListener ** aInstancePtrResult,
 
 
 
+nsresult
+NS_NewEditorDragListener(nsIDOMEventListener ** aInstancePtrResult, 
+                          nsITextEditor *aEditor)
+{
+  nsTextEditorDragListener* it = new nsTextEditorDragListener();
+  if (nsnull == it) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  it->SetEditor(aEditor);
+
+  static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID);
+
+  return it->QueryInterface(kIDOMEventListenerIID, (void **) aInstancePtrResult);   
+}
+
 

editor/libeditor/text/nsEditorEventListeners.h

@@ -22,6 +22,7 @@
 #include "nsIDOMEvent.h"
 #include "nsIDOMKeyListener.h"
 #include "nsIDOMMouseListener.h"
+#include "nsIDOMDragListener.h"
 #include "nsITextEditor.h"
 #include "nsCOMPtr.h"
 
@@ -100,6 +101,38 @@ protected:
 
 };
 
+/** editor Implementation of the MouseListener interface
+ */
+class nsTextEditorDragListener : public nsIDOMDragListener 
+{
+public:
+  /** default constructor
+   */
+  nsTextEditorDragListener();
+  /** default destructor
+   */
+  virtual ~nsTextEditorDragListener();
+
+  /** SetEditor gives an address to the editor that will be accessed
+   *  @param aEditor the editor this listener calls for editing operations
+   */
+  void SetEditor(nsITextEditor *aEditor){mEditor = do_QueryInterface(aEditor);}
+
+/*interfaces for addref and release and queryinterface*/
+  NS_DECL_ISUPPORTS
+
+/*BEGIN implementations of mouseevent handler interface*/
+    virtual nsresult ProcessEvent(nsIDOMEvent* aEvent);
+public:
+  virtual nsresult DragStart(nsIDOMEvent* aDragEvent);
+  virtual nsresult DragDrop(nsIDOMEvent* aDragEvent);
+/*END implementations of mouseevent handler interface*/
+
+protected:
+  nsCOMPtr<nsITextEditor> mEditor;
+
+};
+
 /** factory for the editor key listener
  */
 extern nsresult NS_NewEditorKeyListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
@@ -108,5 +141,9 @@ extern nsresult NS_NewEditorKeyListener(nsIDOMEventListener ** aInstancePtrResul
  */
 extern nsresult NS_NewEditorMouseListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
 
+/** factory for the editor drag listener
+ */
+extern nsresult NS_NewEditorDragListener(nsIDOMEventListener ** aInstancePtrResult, nsITextEditor *aEditor);
+
 #endif //editorInterfaces_h__