adding methods to set and get the size mode (normal,minimized...). bug 30116 r=scc a=jevering

widget/public/nsIWidget.h

@@ -348,15 +348,27 @@ class nsIWidget : public nsISupports {
                       PRBool   aRepaint) = 0;
 
     /**
-     * Set's the widget's z-index.
+     * Sets the widget's z-index.
      */
     NS_IMETHOD SetZIndex(PRInt32 aZIndex) = 0;
 
     /**
-     * Get's the widget's z-index. 
+     * Gets the widget's z-index. 
      */
     NS_IMETHOD GetZIndex(PRInt32* aZIndex) = 0;
 
+    /**
+     * Minimize, maximize or normalize the window size.
+     * Takes a value from nsSizeMode (see nsGUIEvent.h)
+     */
+    NS_IMETHOD SetSizeMode(PRInt32 aMode) = 0;
+
+    /**
+     * Return size mode (minimized, maximized, normalized).
+     * Returns a value from nsSizeMode (see nsGUIEvent.h)
+     */
+    NS_IMETHOD GetSizeMode(PRInt32* aMode) = 0;
+
     /**
      * Enable or disable this Widget
      *

widget/src/xpwidgets/nsBaseWidget.cpp

@@ -72,7 +72,8 @@ nsBaseWidget::nsBaseWidget()
 ,	mIsDestroying(PR_FALSE)
 ,	mOnDestroyCalled(PR_FALSE)
 ,	mBounds(0,0,0,0)
-,   mZIndex(0)
+,	mZIndex(0)
+,	mSizeMode(nsSizeMode_Normal)
 {
 #ifdef NOISY_WIDGET_LEAKS
   gNumWidgets++;
@@ -335,6 +336,34 @@ NS_IMETHODIMP nsBaseWidget::GetZIndex(PRInt32* aZIndex)
 	return NS_OK;
 }
 
+//-------------------------------------------------------------------------
+//
+// Maximize, minimize or restore the window. The BaseWidget implementation
+// merely stores the state.
+//
+//-------------------------------------------------------------------------
+NS_IMETHODIMP nsBaseWidget::SetSizeMode(PRInt32 aMode) {
+
+  if (aMode == nsSizeMode_Normal || aMode == nsSizeMode_Minimized ||
+      aMode == nsSizeMode_Maximized) {
+
+    mSizeMode = (nsSizeMode) aMode;
+    return NS_OK;
+  }
+  return NS_ERROR_ILLEGAL_VALUE;
+}
+
+//-------------------------------------------------------------------------
+//
+// Get the size mode (minimized, maximized, that sort of thing...)
+//
+//-------------------------------------------------------------------------
+NS_IMETHODIMP nsBaseWidget::GetSizeMode(PRInt32* aMode) {
+
+  *aMode = mSizeMode;
+  return NS_OK;
+}
+
 //-------------------------------------------------------------------------
 //
 // Get the foreground color

widget/src/xpwidgets/nsBaseWidget.h

@@ -69,6 +69,9 @@ public:
   NS_IMETHOD              SetZIndex(PRInt32 aZIndex);
   NS_IMETHOD              GetZIndex(PRInt32* aZIndex);
 
+  NS_IMETHOD              SetSizeMode(PRInt32 aMode);
+  NS_IMETHOD              GetSizeMode(PRInt32* aMode);
+
   virtual nscolor         GetForegroundColor(void);
   NS_IMETHOD              SetForegroundColor(const nscolor &aColor);
   virtual nscolor         GetBackgroundColor(void);
@@ -140,6 +143,7 @@ protected:
   PRBool            mOnDestroyCalled;
   nsRect            mBounds;
   PRInt32           mZIndex;
+  nsSizeMode        mSizeMode;
 
     // keep the list of children
   nsCOMPtr<nsISupportsArray> mChildren;