Another fix for Win XP crash introduced in 47.3 RC (Issue #180).

Author: cztomczak

phpdesktop-chrome47/cef/browser_window.cpp

@@ -122,8 +122,8 @@ Fullscreen* BrowserWindow::GetFullscreenObject() {
 }
 void BrowserWindow::SetCefBrowser(CefRefPtr<CefBrowser> cefBrowser) {
     // Called from ClientHandler::OnAfterCreated().
-    _ASSERT(!cefBrowser_.get());
-    if (cefBrowser_.get()) {
+    _ASSERT(!cefBrowser_);
+    if (cefBrowser_) {
         LOG_ERROR << "BrowserWindow::SetCefBrowser() called, "
                   << "but it is already set";
         return;
@@ -214,23 +214,21 @@ void BrowserWindow::OnGetMinMaxInfo(UINT uMsg, WPARAM wParam, LPARAM lParam) {
     }
 }
 void BrowserWindow::OnSize() {
-    if (cefBrowser_.get()) {
-        HWND browserHandle_ = cefBrowser_->GetHost()->GetWindowHandle();
-        if (!browserHandle_) {
-            return;
-        }
+    if (cefBrowser_) {
+        HWND browserHandle = cefBrowser_->GetHost()->GetWindowHandle();
+        _ASSERT(browserHandle);
         RECT rect;
         GetClientRect(windowHandle_, &rect);
         HDWP hdwp = BeginDeferWindowPos(2);
-        hdwp = DeferWindowPos(hdwp, browserHandle_, NULL,
+        hdwp = DeferWindowPos(hdwp, browserHandle, NULL,
                 rect.left, rect.top,
                 rect.right - rect.left,
                 rect.bottom - rect.top,
                 SWP_NOZORDER);
         EndDeferWindowPos(hdwp);
     } else {
-        LOG_DEBUG << "BrowserWindow::OnSize() failed: "
-                       "CefBrowser object not created yet";
+        LOG_DEBUG << "BrowserWindow::OnSize(): "
+                       "CefBrowser object not yet created";
     }
 }
 void BrowserWindow::SetTitleFromSettings() {
@@ -289,8 +287,8 @@ void BrowserWindow::SetIconFromSettings() {
 }
 bool BrowserWindow::SetFocus() {
     // Calling SetFocus() on shellBrowser handle does not work.
-    if (cefBrowser_.get()) {
+    if (cefBrowser_) {
         cefBrowser_->GetHost()->SetFocus(true);
-	}
+    }
     return true;
 }

phpdesktop-chrome47/main.cpp

@@ -85,22 +85,20 @@ LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
     switch (uMsg) {
         case WM_SIZE:
             browser = GetBrowserWindow(hwnd);
-            if (browser) {
+            if (browser && browser->GetCefBrowser()) {
                 browser->OnSize();
-            } else {
-                LOG_WARNING << "WindowProc(): event WM_SIZE: "
-                               "could not fetch BrowserWindow";
+            } else if (!browser) {
+                LOG_WARNING << "WindowProc() WM_SIZE: could not fetch BrowserWindow";
             }
             break;
         case WM_MOVE:
         case WM_MOVING:
         case WM_SIZING:
             browser = GetBrowserWindow(hwnd);
-            if (browser) {
+            if (browser && browser->GetCefBrowser()) {
                 browser->GetCefBrowser()->GetHost()->NotifyMoveOrResizeStarted();
-            } else {
-                LOG_WARNING << "WindowProc(): event WM_MOVING/WM_MOVE/WM_SIZING: "
-                    "could not fetch BrowserWindow";
+            } else if (!browser) {
+                LOG_WARNING << "WindowProc() WM_MOVE: could not fetch BrowserWindow";
             }
             return 0;
         case WM_CREATE:
@@ -160,14 +158,10 @@ LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
         case WM_ERASEBKGND:
             // Erase the background when the browser does not exist.
             browser = GetBrowserWindow(hwnd);
-            if (browser && browser->GetCefBrowser().get()) {
-                CefWindowHandle hwnd = \
-                        browser->GetCefBrowser()->GetHost()->GetWindowHandle();
-                if (hwnd) {
-                    // Dont erase the background if the browser window has been loaded
-                    // (this avoids flashing)
-                    return 0;
-                }
+            if (browser && browser->GetCefBrowser()) {
+                // Dont erase the background if the browser window has been loaded
+                // (this avoids flashing)
+                return 0;
             }
             break;
         case WM_PAINT: