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comparison win/edge.cpp @ 2033:d81d2ea806c6

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Win: Added callback handlers to generate the HTML_CHANGED signals using Edge (Chromium).
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sat, 16 Nov 2019 09:43:17 +0000
parents 28809bf17957
children 89d62197124b
comparison
equal deleted inserted replaced
2032:5ca399fb2d6f 2033:d81d2ea806c6
255 255
256 // Resize WebView to fit the bounds of the parent window 256 // Resize WebView to fit the bounds of the parent window
257 RECT bounds; 257 RECT bounds;
258 GetClientRect(hWnd, &bounds); 258 GetClientRect(hWnd, &bounds);
259 webview->put_Bounds(bounds); 259 webview->put_Bounds(bounds);
260
261 // Save the token, we might need to dw_window_set_data() this value
262 // for later use to remove the handlers
263 EventRegistrationToken token;
264
265 // Register a handler for the NavigationStarting event.
266 // This handler will check the domain being navigated to, and if the domain
267 // matches a list of blocked sites, it will cancel the navigation and
268 // possibly display a warning page. It will also disable JavaScript on
269 // selected websites.
270 webview->add_NavigationStarting(
271 Callback<IWebView2NavigationStartingEventHandler>(
272 [hWnd](IWebView2WebView* sender,
273 IWebView2NavigationStartingEventArgs* args) -> HRESULT
274 {
275 LPWSTR uri;
276 sender->get_Source(&uri);
277
278 _wndproc(hWnd, WM_USER + 101, (WPARAM)DW_INT_TO_POINTER(DW_HTML_CHANGE_STARTED),
279 !wcscmp(uri, L"about:blank") ? (LPARAM)"" : (LPARAM)WideToUTF8((LPWSTR)uri));
280
281 return S_OK;
282 }).Get(), &token);
283
284 // Register a handler for the DocumentStateChanged event.
285 // This handler will read the webview's source URI and update
286 // the app's address bar.
287 webview->add_DocumentStateChanged(
288 Callback<IWebView2DocumentStateChangedEventHandler>(
289 [hWnd](IWebView2WebView* sender,
290 IWebView2DocumentStateChangedEventArgs* args) -> HRESULT
291 {
292 LPWSTR uri;
293 sender->get_Source(&uri);
294
295 _wndproc(hWnd, WM_USER + 101, (WPARAM)DW_INT_TO_POINTER(DW_HTML_CHANGE_LOADING),
296 !wcscmp(uri, L"about:blank") ? (LPARAM)"" : (LPARAM)WideToUTF8((LPWSTR)uri));
297
298 return S_OK;
299 }).Get(), &token);
300
301 // Register a handler for the NavigationCompleted event.
302 // If the navigation was successful, update the back and forward buttons.
303 webview->add_NavigationCompleted(
304 Callback<IWebView2NavigationCompletedEventHandler>(
305 [hWnd](IWebView2WebView* sender,
306 IWebView2NavigationCompletedEventArgs* args) -> HRESULT
307 {
308 LPWSTR uri;
309 sender->get_Source(&uri);
310
311 _wndproc(hWnd, WM_USER + 101, (WPARAM)DW_INT_TO_POINTER(DW_HTML_CHANGE_COMPLETE),
312 !wcscmp(uri, L"about:blank") ? (LPARAM)"" : (LPARAM)WideToUTF8((LPWSTR)uri));
313
314 return S_OK;
315 }).Get(), &token);
260 316
261 // Handle cached load requests due to delayed 317 // Handle cached load requests due to delayed
262 // loading of the edge webview contexts 318 // loading of the edge webview contexts
263 LPCWSTR url = (LPCWSTR)dw_window_get_data(hWnd, _DW_HTML_DATA_LOCATION); 319 LPCWSTR url = (LPCWSTR)dw_window_get_data(hWnd, _DW_HTML_DATA_LOCATION);
264 if(url) 320 if(url)
292 if (webview) 348 if (webview)
293 { 349 {
294 dw_window_set_data(hWnd, _DW_HTML_DATA_NAME, NULL); 350 dw_window_set_data(hWnd, _DW_HTML_DATA_NAME, NULL);
295 webview->Close(); 351 webview->Close();
296 } 352 }
297 _free_window_memory(hwnd, 0); 353 _free_window_memory(hWnd, 0);
298 return(TRUE); 354 return(TRUE);
299 } 355 }
300 } 356 }
301 357
302 return(DefWindowProc(hWnd, uMsg, wParam, lParam)); 358 return(DefWindowProc(hWnd, uMsg, wParam, lParam));