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include/webview-edge.c  view on Meta::CPAN

    HRESULT (STDMETHODCALLTYPE *add_MoveFocusRequested)(ICoreWebView2Controller*, void*, EventRegistrationToken*);
    HRESULT (STDMETHODCALLTYPE *remove_MoveFocusRequested)(ICoreWebView2Controller*, EventRegistrationToken);
    HRESULT (STDMETHODCALLTYPE *add_GotFocus)(ICoreWebView2Controller*, void*, EventRegistrationToken*);
    HRESULT (STDMETHODCALLTYPE *remove_GotFocus)(ICoreWebView2Controller*, EventRegistrationToken);
    HRESULT (STDMETHODCALLTYPE *add_LostFocus)(ICoreWebView2Controller*, void*, EventRegistrationToken*);
    HRESULT (STDMETHODCALLTYPE *remove_LostFocus)(ICoreWebView2Controller*, EventRegistrationToken);
    HRESULT (STDMETHODCALLTYPE *add_AcceleratorKeyPressed)(ICoreWebView2Controller*, void*, EventRegistrationToken*);
    HRESULT (STDMETHODCALLTYPE *remove_AcceleratorKeyPressed)(ICoreWebView2Controller*, EventRegistrationToken);
    HRESULT (STDMETHODCALLTYPE *get_ParentWindow)(ICoreWebView2Controller*, HWND*);
    HRESULT (STDMETHODCALLTYPE *put_ParentWindow)(ICoreWebView2Controller*, HWND);
    HRESULT (STDMETHODCALLTYPE *NotifyParentWindowPositionChanged)(ICoreWebView2Controller*);
    HRESULT (STDMETHODCALLTYPE *Close)(ICoreWebView2Controller*);
    HRESULT (STDMETHODCALLTYPE *get_CoreWebView2)(ICoreWebView2Controller*, ICoreWebView2**);
} ICoreWebView2ControllerVtbl;

struct ICoreWebView2Controller {
    const ICoreWebView2ControllerVtbl *lpVtbl;
};

/* ---- ICoreWebView2Environment interface ---- */

typedef struct ICoreWebView2EnvironmentVtbl {
    /* IUnknown */
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2Environment*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2Environment*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2Environment*);
    /* ICoreWebView2Environment */
    HRESULT (STDMETHODCALLTYPE *CreateCoreWebView2Controller)(
        ICoreWebView2Environment*, HWND, ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*);
    HRESULT (STDMETHODCALLTYPE *CreateWebResourceResponse)(
        ICoreWebView2Environment*, void*, int, LPCWSTR, LPCWSTR, void**);
    HRESULT (STDMETHODCALLTYPE *get_BrowserVersionString)(ICoreWebView2Environment*, LPWSTR*);
    HRESULT (STDMETHODCALLTYPE *add_NewBrowserVersionAvailable)(
        ICoreWebView2Environment*, void*, EventRegistrationToken*);
    HRESULT (STDMETHODCALLTYPE *remove_NewBrowserVersionAvailable)(
        ICoreWebView2Environment*, EventRegistrationToken);
} ICoreWebView2EnvironmentVtbl;

struct ICoreWebView2Environment {
    const ICoreWebView2EnvironmentVtbl *lpVtbl;
};

/* ---- ICoreWebView2Settings interface ---- */

typedef struct ICoreWebView2SettingsVtbl {
    /* IUnknown */
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2Settings*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2Settings*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2Settings*);
    /* ICoreWebView2Settings */
    HRESULT (STDMETHODCALLTYPE *get_IsScriptEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_IsScriptEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_IsWebMessageEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_IsWebMessageEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_AreDefaultScriptDialogsEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_AreDefaultScriptDialogsEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_IsStatusBarEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_IsStatusBarEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_AreDevToolsEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_AreDevToolsEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_AreDefaultContextMenusEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_AreDefaultContextMenusEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_AreHostObjectsAllowed)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_AreHostObjectsAllowed)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_IsZoomControlEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_IsZoomControlEnabled)(ICoreWebView2Settings*, BOOL);
    HRESULT (STDMETHODCALLTYPE *get_IsBuiltInErrorPageEnabled)(ICoreWebView2Settings*, BOOL*);
    HRESULT (STDMETHODCALLTYPE *put_IsBuiltInErrorPageEnabled)(ICoreWebView2Settings*, BOOL);
} ICoreWebView2SettingsVtbl;

struct ICoreWebView2Settings {
    const ICoreWebView2SettingsVtbl *lpVtbl;
};

/* ---- WebMessageReceivedEventArgs interface ---- */

typedef struct ICoreWebView2WebMessageReceivedEventArgsVtbl {
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2WebMessageReceivedEventArgs*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2WebMessageReceivedEventArgs*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2WebMessageReceivedEventArgs*);
    HRESULT (STDMETHODCALLTYPE *get_Source)(ICoreWebView2WebMessageReceivedEventArgs*, LPWSTR*);
    HRESULT (STDMETHODCALLTYPE *get_WebMessageAsJson)(ICoreWebView2WebMessageReceivedEventArgs*, LPWSTR*);
    HRESULT (STDMETHODCALLTYPE *TryGetWebMessageAsString)(ICoreWebView2WebMessageReceivedEventArgs*, LPWSTR*);
} ICoreWebView2WebMessageReceivedEventArgsVtbl;

struct ICoreWebView2WebMessageReceivedEventArgs {
    const ICoreWebView2WebMessageReceivedEventArgsVtbl *lpVtbl;
};

/* ---- Handler interfaces ---- */

typedef struct ICoreWebView2WebMessageReceivedEventHandlerVtbl {
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2WebMessageReceivedEventHandler*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2WebMessageReceivedEventHandler*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2WebMessageReceivedEventHandler*);
    HRESULT (STDMETHODCALLTYPE *Invoke)(ICoreWebView2WebMessageReceivedEventHandler*, ICoreWebView2*, ICoreWebView2WebMessageReceivedEventArgs*);
} ICoreWebView2WebMessageReceivedEventHandlerVtbl;

struct ICoreWebView2WebMessageReceivedEventHandler {
    const ICoreWebView2WebMessageReceivedEventHandlerVtbl *lpVtbl;
};

/* ---- Completed handler interfaces ---- */

typedef struct ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandlerVtbl {
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*);
    HRESULT (STDMETHODCALLTYPE *Invoke)(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*, HRESULT, ICoreWebView2Environment*);
} ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandlerVtbl;

struct ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler {
    const ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandlerVtbl *lpVtbl;
};

typedef struct ICoreWebView2CreateCoreWebView2ControllerCompletedHandlerVtbl {
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*, REFIID, void**);
    ULONG (STDMETHODCALLTYPE *AddRef)(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*);
    ULONG (STDMETHODCALLTYPE *Release)(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*);
    HRESULT (STDMETHODCALLTYPE *Invoke)(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*, HRESULT, ICoreWebView2Controller*);
} ICoreWebView2CreateCoreWebView2ControllerCompletedHandlerVtbl;

include/webview-edge.c  view on Meta::CPAN

static ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandlerVtbl eh_vtbl = {
    eh_QueryInterface, eh_AddRef, eh_Release, eh_Invoke
};

/* ControllerHandler */
static HRESULT STDMETHODCALLTYPE ch_QueryInterface(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler *This, REFIID riid, void **ppv) {
    (void)riid;
    *ppv = This;
    This->lpVtbl->AddRef(This);
    return S_OK;
}

static ULONG STDMETHODCALLTYPE ch_AddRef(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler *This) {
    ControllerHandler *h = (ControllerHandler *)This;
    return InterlockedIncrement(&h->ref);
}

static ULONG STDMETHODCALLTYPE ch_Release(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler *This) {
    ControllerHandler *h = (ControllerHandler *)This;
    LONG ref = InterlockedDecrement(&h->ref);
    if (ref == 0) {
        GlobalFree(h);
    }
    return ref;
}

static HRESULT STDMETHODCALLTYPE ch_Invoke(
    ICoreWebView2CreateCoreWebView2ControllerCompletedHandler *This,
    HRESULT result,
    ICoreWebView2Controller *controller) {
    
    ControllerHandler *h = (ControllerHandler *)This;
    
    if (FAILED(result) || !controller) {
        return S_OK;
    }
    
    if (!h->w || !h->w->priv.webview2) {
        return S_OK;
    }
    
    webview2 *wv2 = h->w->priv.webview2;
    wv2->controller = controller;
    controller->lpVtbl->AddRef(controller);
    
    /* Get the CoreWebView2 */
    ICoreWebView2 *webview = NULL;
    controller->lpVtbl->get_CoreWebView2(controller, &webview);
    if (!webview) {
        return S_OK;
    }
    
    wv2->webview = webview;
    
    /* Configure settings */
    ICoreWebView2Settings *settings = NULL;
    webview->lpVtbl->get_Settings(webview, &settings);
    if (settings) {
        settings->lpVtbl->put_IsScriptEnabled(settings, TRUE);
        settings->lpVtbl->put_IsWebMessageEnabled(settings, TRUE);
        settings->lpVtbl->put_AreDefaultContextMenusEnabled(settings, h->w->debug ? TRUE : FALSE);
        settings->lpVtbl->put_AreDevToolsEnabled(settings, h->w->debug ? TRUE : FALSE);
        settings->lpVtbl->Release(settings);
    }
    
    /* Add web message handler */
    WebMessageHandler *wmh = (WebMessageHandler *)GlobalAlloc(GPTR, sizeof(WebMessageHandler));
    if (wmh) {
        wmh->lpVtbl = &wmh_vtbl;
        wmh->ref = 1;
        wmh->w = h->w;
        webview->lpVtbl->add_WebMessageReceived(webview, (ICoreWebView2WebMessageReceivedEventHandler *)wmh, &wv2->message_token);
        wmh->lpVtbl->Release((ICoreWebView2WebMessageReceivedEventHandler *)wmh);
    }
    
    /* Inject bridge script */
    static const wchar_t bridge_js[] = 
        L"window.external = window.external || {};"
        L"window.external.invoke = function(s) {"
        L"  window.chrome.webview.postMessage(s);"
        L"};";
    webview->lpVtbl->AddScriptToExecuteOnDocumentCreated(webview, bridge_js, NULL);
    
    /* Set bounds */
    RECT rc;
    GetClientRect(h->w->priv.hwnd, &rc);
    controller->lpVtbl->put_Bounds(controller, rc);
    controller->lpVtbl->put_IsVisible(controller, TRUE);
    
    /* Mark as ready */
    wv2->ready = 1;
    
    /* Navigate to pending URL or HTML */
    if (wv2->pending_url) {
        webview2_navigate(h->w, wv2->pending_url);
        GlobalFree(wv2->pending_url);
        wv2->pending_url = NULL;
    } else if (wv2->pending_html) {
        webview2_set_html(h->w, wv2->pending_html);
        GlobalFree(wv2->pending_html);
        wv2->pending_html = NULL;
    }
    
    return S_OK;
}

static ICoreWebView2CreateCoreWebView2ControllerCompletedHandlerVtbl ch_vtbl = {
    ch_QueryInterface, ch_AddRef, ch_Release, ch_Invoke
};

/* ---- WebView2 operations ---- */

static void webview2_create_controller(struct webview *w) {
    if (!w || !w->priv.webview2 || !w->priv.webview2->environment) {
        return;
    }
    
    ControllerHandler *ch = (ControllerHandler *)GlobalAlloc(GPTR, sizeof(ControllerHandler));
    if (!ch) return;
    
    ch->lpVtbl = &ch_vtbl;