Chrome 47.2 RC. Fixed mouse cursor indicator during

loading of a web page (Issue cztomczak#148).

Author: cztomczak

phpdesktop-chrome47/cef/client_handler.cpp

@@ -25,6 +25,8 @@
 extern HINSTANCE g_hInstance;
 extern wchar_t g_windowClassName[256];
 extern std::map<HWND, BrowserWindow*> g_browserWindows; // browser_window.cpp
+std::map<HWND, bool> g_isBrowserLoading;
+
 // This will be set to false when application completes loading
 // of the initial webpage in main browser window. If the OnLoadError
 // callback gets called it means that firewall has blocked the
@@ -322,6 +324,16 @@ void ClientHandler::OnLoadingStateChange(CefRefPtr<CefBrowser> cefBrowser,
                                 bool canGoForward) {
     LOG_DEBUG << "OnLoadingStateChange: loading=" << isLoading << ", url=" 
             << cefBrowser->GetMainFrame()->GetURL().ToString().c_str();
+
+    // Is browser loading - if so changing mouse cursor in main.cpp
+    BrowserWindow* browserWindow = GetBrowserWindow(cefBrowser->GetHost()->GetWindowHandle());
+    if (!browserWindow) {
+        LOG_ERROR << "GetWindowHandle() failed in OnLoadingStateChange";
+        return;
+    }
+    g_isBrowserLoading[browserWindow->GetWindowHandle()] = isLoading;
+
+    // Start page loading
     static int calls = 0;
     calls++;
     if (calls > 1) {

phpdesktop-chrome47/main.cpp

@@ -32,6 +32,13 @@ SingleInstanceApplication g_singleInstanceApplication;
 wchar_t* g_singleInstanceApplicationGuid = 0;
 wchar_t g_windowClassName[256] = L"";
 HINSTANCE g_hInstance = 0;
+
+extern std::map<HWND, bool> g_isBrowserLoading; // client_handler.cpp
+// Default cursor
+HCURSOR g_arrowCursor = 0;
+// Standard arrow and small hourglass
+HCURSOR g_appStartingCursor = 0;
+
 extern std::map<HWND, BrowserWindow*> g_browserWindows; // browser_window.cpp
 std::string g_cgiEnvironmentFromArgv = "";
 
@@ -160,9 +167,42 @@ LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
     }
     return DefWindowProc(hwnd, uMsg, wParam, lParam);
 }
+
+void CALLBACK CheckMousePointerTimer(HWND hwnd, UINT uMsg, UINT timerId, DWORD dwTime)
+{
+    HWND activeHwnd = GetActiveWindow();
+    if (!activeHwnd) {
+        return;
+    }
+    BrowserWindow* browserWindow = GetBrowserWindow(activeHwnd);
+    if (!browserWindow) {
+        return;
+    }
+    std::map<HWND, bool>::iterator it;
+    it = g_isBrowserLoading.find(browserWindow->GetWindowHandle());
+    if (it != g_isBrowserLoading.end()) {
+        bool isLoading = it->second;
+        if (isLoading && GetCursor() == g_arrowCursor) {
+            SetCursor(g_appStartingCursor);
+        } else if (!isLoading && GetCursor() == g_appStartingCursor) {
+            SetCursor(g_arrowCursor);
+        }
+    }
+}
+
 int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
                     LPTSTR lpstrCmdLine, int nCmdShow) {
     g_hInstance = hInstance;
+
+    // Mouse cursor indicator during loading of a web page
+    g_arrowCursor = (HCURSOR) LoadImage(
+            0, MAKEINTRESOURCE(IDC_ARROW), IMAGE_CURSOR, 0, 0,
+            LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
+    g_appStartingCursor = (HCURSOR) LoadImage(
+            0, MAKEINTRESOURCE(IDC_APPSTARTING), IMAGE_CURSOR, 0, 0,
+            LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
+    SetTimer(NULL, 0, 100, (TIMERPROC)&CheckMousePointerTimer);
+
     json_value* appSettings = GetApplicationSettings();
     if (GetApplicationSettingsError().length()) {
         std::string error = GetApplicationSettingsError();

phpdesktop-chrome47/resource.rc

@@ -47,8 +47,8 @@ IDR_MAINWINDOW          ICON                    "icon.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 47,1,0,0
- PRODUCTVERSION 47,1,0,0
+ FILEVERSION 47,2,0,0
+ PRODUCTVERSION 47,2,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -65,12 +65,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "PHP Desktop"
             VALUE "FileDescription", "PHP Desktop Chrome"
-            VALUE "FileVersion", "47.1.0.0"
+            VALUE "FileVersion", "47.2.0.0"
             VALUE "InternalName", "phpdesktop"
             VALUE "LegalCopyright", "(c) Czarek Tomczak 2012"
             VALUE "OriginalFilename", "phpdesktop-chrome.exe"
             VALUE "ProductName", "PHP Desktop Chrome"
-            VALUE "ProductVersion", "47.1.0.0"
+            VALUE "ProductVersion", "47.2.0.0"
         END
     END
     BLOCK "VarFileInfo"

phpdesktop-chrome47/www/mouse-cursor-loading.php

@@ -0,0 +1,11 @@
+<?php
+sleep(5);
+?>
+
+<style type="text/css">@import url("style.css");</style>
+<a href="index.php">Go back to index</a>
+| <a href="<?php echo $_SERVER["REQUEST_URI"];?>">Refresh</a>
+
+<h1>Mouse cursor loading</h1>
+
+Testing mouse cursor indicator during long loading of a page.