mshtml: Added support for ZoomFactor registry value.

dlls/mshtml/nsiface.idl

@@ -3703,6 +3703,47 @@ interface nsIDocShell : nsIDocShellTreeItem
 
 [
     object,
+    uuid(02d37b31-e654-4b74-9bc3-14dfe0020bb3),
+    local
+]
+interface nsIMarkupDocumentViewer : nsISupports
+{
+    nsresult ScrollToNode(nsIDOMNode *node);
+    nsresult GetTextZoom(float *aTextZoom);
+    nsresult SetTextZoom(float aTextZoom);
+    nsresult GetFullZoom(float *aFullZoom);
+    nsresult SetFullZoom(float aFullZoom);
+    nsresult GetAuthorStyleDisabled(bool *aAuthorStyleDisabled);
+    nsresult SetAuthorStyleDisabled(bool aAuthorStyleDisabled);
+    nsresult GetDefaultCharacterSet(nsACString *aDefaultCharacterSet);
+    nsresult SetDefaultCharacterSet(const nsACString *aDefaultCharacterSet);
+    nsresult GetForceCharacterSet(nsACString *aForceCharacterSet);
+    nsresult SetForceCharacterSet(const nsACString *aForceCharacterSet);
+    nsresult GetHintCharacterSet(nsACString *aHintCharacterSet);
+    nsresult SetHintCharacterSet(const nsACString *aHintCharacterSet);
+    nsresult GetHintCharacterSetSource(int32_t *aHintCharacterSetSource);
+    nsresult SetHintCharacterSetSource(int32_t aHintCharacterSetSource);
+    nsresult GetPrevDocCharacterSet(nsACString *aPrevDocCharacterSet);
+    nsresult SetPrevDocCharacterSet(const nsACString *aPrevDocCharacterSet);
+    nsresult GetContentSize(int32_t *width, int32_t *height);
+    nsresult GetBidiTextDirection(uint8_t *aBidiTextDirection);
+    nsresult SetBidiTextDirection(uint8_t aBidiTextDirection);
+    nsresult GetBidiTextType(uint8_t *aBidiTextType);
+    nsresult SetBidiTextType(uint8_t aBidiTextType);
+    nsresult GetBidiNumeral(uint8_t *aBidiNumeral);
+    nsresult SetBidiNumeral(uint8_t aBidiNumeral);
+    nsresult GetBidiSupport(uint8_t *aBidiSupport);
+    nsresult SetBidiSupport(uint8_t aBidiSupport);
+    nsresult GetBidiOptions(uint32_t *aBidiOptions);
+    nsresult SetBidiOptions(uint32_t aBidiOptions);
+    nsresult GetMinFontSize(int32_t *aMinFontSize);
+    nsresult SetMinFontSize(int32_t aMinFontSize);
+    nsresult AppendSubtree(void /* nsTArray<nsCOMPtr<nsIMarkupDocumentViewer>> */ *array);
+    nsresult ChangeMaxLineBoxWidth(int32_t maxLineBoxWidth);
+}
+
+[
+    object,
     uuid(16fe5e3e-eadc-4312-9d44-b6bedd6b5474),
     local
 ]

dlls/mshtml/oleobj.c

@@ -20,6 +20,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <assert.h>
 
 #define COBJMACROS
 
@@ -226,6 +227,52 @@ void set_document_navigation(HTMLDocumentObj *doc, BOOL doc_can_navigate)
             doc_can_navigate ? &var : NULL, NULL);
 }
 
+static void load_settings(HTMLDocumentObj *doc)
+{
+    nsIMarkupDocumentViewer *markup_document_viewer;
+    nsIContentViewer *content_viewer;
+    nsIDocShell *doc_shell;
+    HKEY settings_key;
+    DWORD val, size;
+    LONG res;
+    nsresult nsres;
+
+    static const WCHAR ie_keyW[] = {
+        'S','O','F','T','W','A','R','E','\\',
+        'M','i','c','r','o','s','o','f','t','\\',
+        'I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r',0};
+    static const WCHAR zoomW[] = {'Z','o','o','m',0};
+    static const WCHAR zoom_factorW[] = {'Z','o','o','m','F','a','c','t','o','r',0};
+
+    res = RegOpenKeyW(HKEY_CURRENT_USER, ie_keyW, &settings_key);
+    if(res != ERROR_SUCCESS)
+        return;
+
+    size = sizeof(val);
+    res = RegGetValueW(settings_key, zoomW, zoom_factorW, RRF_RT_REG_DWORD, NULL, &val, &size);
+    RegCloseKey(settings_key);
+    if(res != ERROR_SUCCESS)
+        return;
+
+    TRACE("Setting ZoomFactor to %u\n", val);
+
+    nsres = get_nsinterface((nsISupports*)doc->nscontainer->navigation, &IID_nsIDocShell, (void**)&doc_shell);
+    assert(nsres == NS_OK);
+
+    nsres = nsIDocShell_GetContentViewer(doc_shell, &content_viewer);
+    assert(nsres == NS_OK && content_viewer);
+
+    nsres = nsISupports_QueryInterface(content_viewer, &IID_nsIMarkupDocumentViewer, (void**)&markup_document_viewer);
+    nsISupports_Release(content_viewer);
+    assert(nsres == NS_OK);
+
+    nsres = nsIMarkupDocumentViewer_SetFullZoom(markup_document_viewer, (float)val/100000);
+    if(NS_FAILED(nsres))
+        ERR("SetFullZoom failed: %08x\n", nsres);
+
+    nsIDocShell_Release(doc_shell);
+}
+
 static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, IOleClientSite *pClientSite)
 {
     HTMLDocument *This = impl_from_IOleObject(iface);
@@ -319,7 +366,7 @@ static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, IOleClientSite
             if(hres == S_OK && key_path) {
                 if(key_path[0]) {
                     /* FIXME: use key_path */
-                    TRACE("key_path = %s\n", debugstr_w(key_path));
+                    FIXME("key_path = %s\n", debugstr_w(key_path));
                 }
                 CoTaskMemFree(key_path);
             }
@@ -331,7 +378,7 @@ static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, IOleClientSite
                 if(hres == S_OK && override_key_path && override_key_path[0]) {
                     if(override_key_path[0]) {
                         /*FIXME: use override_key_path */
-                        TRACE("override_key_path = %s\n", debugstr_w(override_key_path));
+                        FIXME("override_key_path = %s\n", debugstr_w(override_key_path));
                     }
                     CoTaskMemFree(override_key_path);
                 }
@@ -342,6 +389,8 @@ static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, IOleClientSite
         }
     }
 
+    load_settings(This->doc_obj);
+
     /* Native calls here GetWindow. What is it for?
      * We don't have anything to do with it here (yet). */
     hres = IOleClientSite_QueryInterface(pClientSite, &IID_IOleWindow, (void**)&ole_window);