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choc_WebView.h
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//
// ██████ ██ ██ ██████ ██████
// ██ ██ ██ ██ ██ ██ ** Classy Header-Only Classes **
// ██ ███████ ██ ██ ██
// ██ ██ ██ ██ ██ ██ https://github.com/Tracktion/choc
// ██████ ██ ██ ██████ ██████
//
// CHOC is (C)2022 Tracktion Corporation, and is offered under the terms of the ISC license:
//
// Permission to use, copy, modify, and/or distribute this software for any purpose with or
// without fee is hereby granted, provided that the above copyright notice and this permission
// notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
// CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
// WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#ifndef CHOC_WEBVIEW_HEADER_INCLUDED
#define CHOC_WEBVIEW_HEADER_INCLUDED
#include <optional>
#include <unordered_map>
#include <vector>
#include <functional>
#include <unordered_set>
#include "../platform/choc_Platform.h"
#include "../text/choc_JSON.h"
//==============================================================================
namespace choc::ui
{
/**
Creates an embedded browser which can be placed inside some kind of parent window.
After creating a WebView object, its getViewHandle() returns a platform-specific
handle that can be added to whatever kind of window is appropriate. The
choc::ui::DesktopWindow class is an example of a window that can have the
webview added to it via its choc::ui::DesktopWindow::setContent() method.
There are unfortunately a few extra build steps needed for using WebView
in your projects:
- On OSX, you'll need to add the `WebKit` framework to your project
- On Linux, you'll need to:
1. Install the libgtk-3-dev and libwebkit2gtk-4.0-dev packages.
2. Link the gtk+3.0 and webkit2gtk-4.0 libraries in your build.
You might want to have a look inside choc/tests/CMakeLists.txt for
an example of how to add those packages to your build without too
much fuss.
- On Windows, no extra build steps needed!! This is a bigger deal than it
sounds, because normally to use an embedded Edge browser on Windows is a
total PITA, involving downloading a special Microsoft SDK with redistributable
DLLs, etc, but I've jumped through many ugly hoops to make this class
fully self-contained.
Because this is a GUI, it needs a message loop to be running. If you're using
it inside an app which already runs a message loop, it should just work,
or you can use choc::messageloop::run() and choc::messageloop::stop() for an easy
but basic loop.
For an example of how to use this class, see `choc/tests/main.cpp` where
there's a simple demo.
*/
class WebView
{
public:
/// Contains optional settings to pass to a WebView constructor.
struct Options
{
/// If supported, this enables developer features in the browser
bool enableDebugMode = false;
/// On OSX, setting this to true will allow the first click on a non-focused
/// webview to be used as input, rather than the default behaviour, which is
/// for the first click to give the webview focus but not trigger any action.
bool acceptsFirstMouseClick = false;
/// Optional user-agent string which can be used to override the default. Leave
// this empty for default behaviour.
std::string customUserAgent;
/// Serve resources to the browser from a C++ callback function.
/// This can effectively be used to implement a basic web server,
/// serving resources to the browser in any way the client code chooses.
/// Given the path URL component (i.e. starting from "/"), the client should
/// return some bytes, and the associated MIME type, for that resource.
/// When provided, this function will initially be called with the root path
/// ("/") in order to serve the initial content for the page.
/// (i.e. the client should return some HTML with a "text/html" MIME type).
/// Subsequent relative requests made from the page (i.e. via `img` tags,
/// `fetch` calls from javascript etc) will result in subsequent calls here.
struct Resource
{
std::vector<uint8_t> data;
std::string mimeType;
};
using Path = std::string;
using FetchResource = std::function<std::optional<Resource>(const Path&)>;
FetchResource fetchResource;
};
/// Creates a WebView with default options
WebView();
/// Creates a WebView with some options
WebView (const Options&);
WebView (const WebView&) = delete;
WebView (WebView&&) = default;
WebView& operator= (WebView&&) = default;
~WebView();
/// Returns true if the webview has been successfully initialised. This could
/// fail on some systems if the OS doesn't provide a suitable component.
bool loadedOK() const;
/// Directly sets the HTML content of the browser
bool setHTML (const std::string& html);
/// Directly evaluates some javascript.
/// This call isn't guaranteed to be thread-safe, so calling it on
/// threads other than the main message thread could lead to problems.
/// It also goes without saying this this is not realtime-safe, and the
/// call may block, allocate or make system calls.
bool evaluateJavascript (const std::string& script);
/// Sends the browser to this URL
bool navigate (const std::string& url);
/// A callback function which can be passed to bind().
using CallbackFn = std::function<choc::value::Value(const choc::value::ValueView& args)>;
/// Binds a C++ function to a named javascript function that can be called
/// by code running in the browser.
bool bind (const std::string& functionName, CallbackFn&& function);
/// Removes a previously-bound function.
bool unbind (const std::string& functionName);
/// Adds a script to run when the browser loads a page
bool addInitScript (const std::string& script);
/// Returns a platform-specific handle for this view
void* getViewHandle() const;
struct KeyListener {
virtual void onKeyDown(std::string key) {}
virtual void onKeyUp(std::string key) {}
};
void addKeyListener(KeyListener* l);
void removeKeyListener(KeyListener* l);
private:
//==============================================================================
struct Pimpl;
std::unique_ptr<Pimpl> pimpl;
std::unordered_map<std::string, CallbackFn> bindings;
void invokeBinding (const std::string&);
};
} // namespace choc::ui
//==============================================================================
// _ _ _ _
// __| | ___ | |_ __ _ (_)| | ___
// / _` | / _ \| __| / _` || || |/ __|
// | (_| || __/| |_ | (_| || || |\__ \ _ _ _
// \__,_| \___| \__| \__,_||_||_||___/(_)(_)(_)
//
// Code beyond this point is implementation detail...
//
//==============================================================================
#if CHOC_LINUX
#include "../platform/choc_DisableAllWarnings.h"
#include <JavaScriptCore/JavaScript.h>
#include <webkit2/webkit2.h>
#include "../platform/choc_ReenableAllWarnings.h"
struct choc::ui::WebView::Pimpl
{
Pimpl (WebView& v, const Options& options)
: owner (v), fetchResource (options.fetchResource)
{
if (! gtk_init_check (nullptr, nullptr))
return;
webviewContext = webkit_web_context_new();
g_object_ref_sink (G_OBJECT (webviewContext));
webview = webkit_web_view_new_with_context (webviewContext);
g_object_ref_sink (G_OBJECT (webview));
manager = webkit_web_view_get_user_content_manager (WEBKIT_WEB_VIEW (webview));
signalHandlerID = g_signal_connect (manager, "script-message-received::external",
G_CALLBACK (+[] (WebKitUserContentManager*, WebKitJavascriptResult* r, gpointer arg)
{
static_cast<Pimpl*> (arg)->invokeCallback (r);
}),
this);
webkit_user_content_manager_register_script_message_handler (manager, "external");
WebKitSettings* settings = webkit_web_view_get_settings (WEBKIT_WEB_VIEW (webview));
webkit_settings_set_javascript_can_access_clipboard (settings, true);
if (options.enableDebugMode)
{
webkit_settings_set_enable_write_console_messages_to_stdout (settings, true);
webkit_settings_set_enable_developer_extras (settings, true);
if (auto inspector = WEBKIT_WEB_INSPECTOR (webkit_web_view_get_inspector (WEBKIT_WEB_VIEW (webview))))
webkit_web_inspector_show (inspector);
}
if (! options.customUserAgent.empty())
webkit_settings_set_user_agent (settings, options.customUserAgent.c_str());
if (options.fetchResource)
{
const auto onResourceRequested = [](auto* request, auto* context)
{
try
{
const auto* path = webkit_uri_scheme_request_get_path (request);
if (const auto resource = static_cast<Pimpl*> (context)->fetchResource (path))
{
const auto& [bytes, mimeType] = *resource;
auto* streamBytes = g_bytes_new (bytes.data(), static_cast<gsize> (bytes.size()));
auto* stream = g_memory_input_stream_new_from_bytes (streamBytes);
g_bytes_unref (streamBytes);
auto* response = webkit_uri_scheme_response_new (stream, static_cast<gint64> (bytes.size()));
webkit_uri_scheme_response_set_status (response, 200, nullptr);
webkit_uri_scheme_response_set_content_type (response, mimeType.c_str());
auto* headers = soup_message_headers_new (SOUP_MESSAGE_HEADERS_RESPONSE);
soup_message_headers_append (headers, "Cache-Control", "no-store");
soup_message_headers_append (headers, "Access-Control-Allow-Origin", "*");
webkit_uri_scheme_response_set_http_headers (response, headers); // response takes ownership of the headers
webkit_uri_scheme_request_finish_with_response (request, response);
g_object_unref (stream);
g_object_unref (response);
}
else
{
auto* stream = g_memory_input_stream_new();
auto* response = webkit_uri_scheme_response_new (stream, -1);
webkit_uri_scheme_response_set_status (response, 404, nullptr);
webkit_uri_scheme_request_finish_with_response (request, response);
g_object_unref (stream);
g_object_unref (response);
}
}
catch (...)
{
auto* error = g_error_new (WEBKIT_NETWORK_ERROR, WEBKIT_NETWORK_ERROR_FAILED, "Something went wrong");
webkit_uri_scheme_request_finish_error (request, error);
g_error_free (error);
}
};
webkit_web_context_register_uri_scheme (webviewContext, "choc", onResourceRequested, this, nullptr);
navigate ("choc://choc.choc/");
}
gtk_widget_show_all (webview);
}
~Pimpl()
{
if (signalHandlerID != 0 && webview != nullptr)
g_signal_handler_disconnect (manager, signalHandlerID);
g_clear_object (&webview);
g_clear_object (&webviewContext);
}
static constexpr const char* postMessageFn = "window.webkit.messageHandlers.external.postMessage";
bool loadedOK() const { return getViewHandle() != nullptr; }
void* getViewHandle() const { return (void*) webview; }
bool evaluateJavascript (const std::string& js)
{
#if WEBKIT_CHECK_VERSION (2, 40, 0)
webkit_web_view_evaluate_javascript (WEBKIT_WEB_VIEW (webview), js.c_str(), static_cast<gssize> (js.length()), nullptr, nullptr, nullptr, nullptr, nullptr);
#else
webkit_web_view_run_javascript (WEBKIT_WEB_VIEW (webview), js.c_str(), nullptr, nullptr, nullptr);
#endif
return true;
}
bool navigate (const std::string& url)
{
webkit_web_view_load_uri (WEBKIT_WEB_VIEW (webview), url.c_str());
return true;
}
bool setHTML (const std::string& html)
{
webkit_web_view_load_html (WEBKIT_WEB_VIEW (webview), html.c_str(), nullptr);
return true;
}
bool addInitScript (const std::string& js)
{
if (manager != nullptr)
{
webkit_user_content_manager_add_script (manager, webkit_user_script_new (js.c_str(),
WEBKIT_USER_CONTENT_INJECT_TOP_FRAME,
WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_START,
nullptr, nullptr));
return true;
}
return false;
}
void invokeCallback (WebKitJavascriptResult* r)
{
auto s = jsc_value_to_string (webkit_javascript_result_get_js_value (r));
owner.invokeBinding (s);
g_free (s);
}
WebView& owner;
Options::FetchResource fetchResource;
WebKitWebContext* webviewContext = {};
GtkWidget* webview = {};
WebKitUserContentManager* manager = {};
unsigned long signalHandlerID = 0;
};
//==============================================================================
#elif CHOC_APPLE
#include "choc_MessageLoop.h"
#include "im_MacOS_Webview.h"
struct choc::ui::WebView::Pimpl
{
Pimpl (WebView& v, const Options& optionsToUse)
: owner (v), options (std::make_unique<Options> (optionsToUse))
{
using namespace choc::objc;
CHOC_AUTORELEASE_BEGIN
id config = call<id> (getClass ("WKWebViewConfiguration"), "alloc");
config = call<id> (config, "init");
id prefs = call<id> (config, "preferences");
call<id> (prefs, "setValue:forKey:", getNSNumberBool (true), getNSString ("fullScreenEnabled"));
call<id> (prefs, "setValue:forKey:", getNSNumberBool (true), getNSString ("DOMPasteAllowed"));
call<id> (prefs, "setValue:forKey:", getNSNumberBool (true), getNSString ("javaScriptCanAccessClipboard"));
if (options->enableDebugMode)
call<id> (prefs, "setValue:forKey:", getNSNumberBool (true), getNSString ("developerExtrasEnabled"));
delegate = createDelegate();
objc_setAssociatedObject (delegate, "choc_webview", (CHOC_OBJC_CAST_BRIDGED id) this, OBJC_ASSOCIATION_ASSIGN);
manager = call<id> (config, "userContentController");
call<void> (manager, "retain");
call<void> (manager, "addScriptMessageHandler:name:", delegate, getNSString ("external"));
if (options->fetchResource)
call<void> (config, "setURLSchemeHandler:forURLScheme:", delegate, getNSString ("choc"));
webview = call<id> (allocateWebview(), "initWithFrame:configuration:", CGRect(), config);
objc_setAssociatedObject (webview, "choc_webview", (CHOC_OBJC_CAST_BRIDGED id) this, OBJC_ASSOCIATION_ASSIGN);
if (! options->customUserAgent.empty())
call<void> (webview, "setValue:forKey:", getNSString (options->customUserAgent), getNSString ("customUserAgent"));
call<void> (webview, "setUIDelegate:", delegate);
call<void> (webview, "setNavigationDelegate:", delegate);
call<void> (config, "release");
if (options->fetchResource)
navigate ("choc://choc.choc/");
CHOC_AUTORELEASE_END
}
~Pimpl()
{
CHOC_AUTORELEASE_BEGIN
objc_setAssociatedObject (delegate, "choc_webview", nil, OBJC_ASSOCIATION_ASSIGN);
objc_setAssociatedObject (webview, "choc_webview", nil, OBJC_ASSOCIATION_ASSIGN);
objc::call<void> (webview, "release");
objc::call<void> (manager, "removeScriptMessageHandlerForName:", objc::getNSString ("external"));
objc::call<void> (manager, "release");
objc::call<void> (delegate, "release");
CHOC_AUTORELEASE_END
}
static constexpr const char* postMessageFn = "window.webkit.messageHandlers.external.postMessage";
bool loadedOK() const { return getViewHandle() != nullptr; }
void* getViewHandle() const { return (CHOC_OBJC_CAST_BRIDGED void*) webview; }
bool addInitScript (const std::string& script)
{
using namespace choc::objc;
CHOC_AUTORELEASE_BEGIN
if (id s = call<id> (call<id> (getClass ("WKUserScript"), "alloc"), "initWithSource:injectionTime:forMainFrameOnly:",
getNSString (script), WKUserScriptInjectionTimeAtDocumentStart, (BOOL) 1))
{
call<void> (manager, "addUserScript:", s);
call<void> (s, "release");
return true;
}
CHOC_AUTORELEASE_END
return false;
}
bool navigate (const std::string& url)
{
using namespace choc::objc;
CHOC_AUTORELEASE_BEGIN
if (id nsURL = call<id> (getClass ("NSURL"), "URLWithString:", getNSString (url)))
return call<id> (webview, "loadRequest:", call<id> (getClass ("NSURLRequest"), "requestWithURL:", nsURL)) != nullptr;
CHOC_AUTORELEASE_END
return false;
}
bool setHTML (const std::string& html)
{
CHOC_AUTORELEASE_BEGIN
return objc::call<id> (webview, "loadHTMLString:baseURL:", objc::getNSString (html), (id) nullptr) != nullptr;
CHOC_AUTORELEASE_END
}
void setAcceptKeyEvents(bool accept) {
objc::call<void>(webview, "setAcceptKeyEvents:", accept);
}
bool evaluateJavascript (const std::string& script)
{
CHOC_AUTORELEASE_BEGIN
objc::call<void> (webview, "evaluateJavaScript:completionHandler:", objc::getNSString (script), (id) nullptr);
return true;
CHOC_AUTORELEASE_END
}
private:
id createDelegate()
{
static DelegateClass dc;
return objc::call<id> ((id) dc.delegateClass, "new");
}
id allocateWebview();
void onResourceRequested (void* task);
BOOL sendAppAction (id self, const char* action)
{
objc::call<void> (objc::getSharedNSApplication(), "sendAction:to:from:",
sel_registerName (action), (id) nullptr, self);
return true;
}
BOOL performKeyEquivalent (id self, id e)
{
enum
{
NSEventTypeKeyDown = 10,
NSEventModifierFlagShift = 1 << 17,
NSEventModifierFlagControl = 1 << 18,
NSEventModifierFlagOption = 1 << 19,
NSEventModifierFlagCommand = 1 << 20
};
if (objc::call<int> (e, "type") == NSEventTypeKeyDown)
{
auto flags = objc::call<int> (e, "modifierFlags") & (NSEventModifierFlagShift | NSEventModifierFlagCommand
| NSEventModifierFlagControl | NSEventModifierFlagOption);
auto path = objc::getString (objc::call<id> (e, "charactersIgnoringModifiers"));
if (flags == NSEventModifierFlagCommand)
{
if (path == "c") return sendAppAction (self, "copy:");
if (path == "x") return sendAppAction (self, "cut:");
if (path == "v") return sendAppAction (self, "paste:");
if (path == "z") return sendAppAction (self, "undo:");
if (path == "a") return sendAppAction (self, "selectAll:");
}
else if (flags == (NSEventModifierFlagShift | NSEventModifierFlagCommand))
{
if (path == "Z") return sendAppAction (self, "redo:");
}
}
return false;
}
void handleError (id error)
{
static constexpr int NSURLErrorCancelled = -999;
if (objc::call<int> (error, "code") == NSURLErrorCancelled)
return;
auto errorString = objc::getString (objc::call<id> (error, "localizedDescription"));
setHTML ("<!DOCTYPE html><html><head><title>Error</title></head>"
"<body><h2>" + errorString + "</h2></body></html>");
}
static Pimpl* getPimpl (id self)
{
return (CHOC_OBJC_CAST_BRIDGED Pimpl*) (objc_getAssociatedObject (self, "choc_webview"));
}
WebView& owner;
// NB: this is a pointer because making it a member forces the alignment of this Pimpl class
// to 16, which then conflicts with obj-C pointer alignment...
std::unique_ptr<Options> options;
id webview = {}, manager = {}, delegate = {};
struct WebviewClass
{
WebviewClass();
~WebviewClass()
{
// NB: it doesn't seem possible to dispose of this class late enough to avoid a warning on shutdown
// about the KVO system still using it, so unfortunately the only option seems to be to let it leak..
objc_disposeClassPair (webviewClass);
}
Class webviewClass = {};
};
struct DelegateClass
{
DelegateClass()
{
using namespace choc::objc;
delegateClass = createDelegateClass ("NSObject", "CHOCWebViewDelegate_");
class_addMethod (delegateClass, sel_registerName ("userContentController:didReceiveScriptMessage:"),
(IMP) (+[](id self, SEL, id, id msg)
{
if (auto p = getPimpl (self))
p->owner.invokeBinding (objc::getString (call<id> (msg, "body")));
}),
"v@:@@");
class_addMethod (delegateClass, sel_registerName ("webView:startURLSchemeTask:"),
(IMP) (+[](id self, SEL, id, id task)
{
if (auto p = getPimpl (self))
p->onResourceRequested (task);
}),
"v@:@@");
class_addMethod (delegateClass, sel_registerName ("webView:didFailProvisionalNavigation:withError:"),
(IMP) (+[](id self, SEL, id, id, id error)
{
if (auto p = getPimpl (self))
p->handleError (error);
}),
"v@:@@@");
class_addMethod (delegateClass, sel_registerName ("webView:didFailNavigation:withError:"),
(IMP) (+[](id self, SEL, id, id, id error)
{
if (auto p = getPimpl (self))
p->handleError (error);
}),
"v@:@@@");
class_addMethod (delegateClass, sel_registerName ("webView:stopURLSchemeTask:"), (IMP) (+[](id, SEL, id, id) {}), "v@:@@");
class_addMethod (delegateClass, sel_registerName ("webView:runOpenPanelWithParameters:initiatedByFrame:completionHandler:"),
(IMP) (+[](id, SEL, id wkwebview, id params, id /*frame*/, void (^completionHandler)(id))
{
CHOC_AUTORELEASE_BEGIN
id panel = call<id> (getClass ("NSOpenPanel"), "openPanel");
auto allowsMultipleSelection = call<BOOL> (params, "allowsMultipleSelection");
id allowedFileExtensions = call<id> (params, "_allowedFileExtensions");
id window = call<id> (wkwebview, "window");
call<void> (panel, "setAllowsMultipleSelection:", allowsMultipleSelection);
call<void> (panel, "setAllowedFileTypes:", allowedFileExtensions);
call<void> (panel, "beginSheetModalForWindow:completionHandler:", window,
^(long result)
{
CHOC_AUTORELEASE_BEGIN
if (result == 1) // NSModalResponseOK
completionHandler (call<id> (panel, "URLs"));
else
completionHandler (nil);
CHOC_AUTORELEASE_END
});
CHOC_AUTORELEASE_END
}), "v@:@@@@");
objc_registerClassPair (delegateClass);
}
~DelegateClass()
{
objc_disposeClassPair (delegateClass);
}
Class delegateClass = {};
};
static constexpr long WKUserScriptInjectionTimeAtDocumentStart = 0;
// Including CodeGraphics.h can create all kinds of messy C/C++ symbol clashes
// with other headers, but all we actually need are these coordinate structs:
#if defined (__LP64__) && __LP64__
using CGFloat = double;
#else
using CGFloat = float;
#endif
struct CGPoint { CGFloat x = 0, y = 0; };
struct CGSize { CGFloat width = 0, height = 0; };
struct CGRect { CGPoint origin; CGSize size; };
};
//==============================================================================
#elif CHOC_WINDOWS
#include "../platform/choc_DynamicLibrary.h"
// If you want to supply your own mechanism for finding the Microsoft
// Webview2Loader.dll file, then define the CHOC_FIND_WEBVIEW2LOADER_DLL
// macro, which must evaluate to a choc::file::DynamicLibrary object
// which points to the DLL.
#ifndef CHOC_FIND_WEBVIEW2LOADER_DLL
#define CHOC_USE_INTERNAL_WEBVIEW_DLL 1
#define CHOC_FIND_WEBVIEW2LOADER_DLL choc::ui::getWebview2LoaderDLL()
#include "../platform/choc_MemoryDLL.h"
namespace choc::ui
{
using WebViewDLL = choc::memory::MemoryDLL;
static WebViewDLL getWebview2LoaderDLL();
}
#else
namespace choc::ui
{
using WebViewDLL = choc::file::DynamicLibrary;
}
#endif
#include "choc_DesktopWindow.h"
#ifndef __webview2_h__
#define __webview2_h__
#ifndef __REQUIRED_RPCNDR_H_VERSION__
#define __REQUIRED_RPCNDR_H_VERSION__ 475
#endif
#include <atomic>
#include <shlobj.h>
#include <rpc.h>
#include <rpcndr.h>
#include <objidl.h>
#include <oaidl.h>
#ifndef __RPCNDR_H_VERSION__
#error "This code requires an updated version of <rpcndr.h>"
#endif
extern "C"
{
struct EventRegistrationToken { __int64 value; };
typedef interface ICoreWebView2 ICoreWebView2;
typedef interface ICoreWebView2Controller ICoreWebView2Controller;
typedef interface ICoreWebView2Environment ICoreWebView2Environment;
typedef interface ICoreWebView2HttpHeadersCollectionIterator ICoreWebView2HttpHeadersCollectionIterator;
typedef interface ICoreWebView2HttpRequestHeaders ICoreWebView2HttpRequestHeaders;
typedef interface ICoreWebView2HttpResponseHeaders ICoreWebView2HttpResponseHeaders;
typedef interface ICoreWebView2WebResourceRequest ICoreWebView2WebResourceRequest;
typedef interface ICoreWebView2WebResourceRequestedEventArgs ICoreWebView2WebResourceRequestedEventArgs;
typedef interface ICoreWebView2WebResourceRequestedEventHandler ICoreWebView2WebResourceRequestedEventHandler;
typedef interface ICoreWebView2WebResourceResponse ICoreWebView2WebResourceResponse;
MIDL_INTERFACE("4e8a3389-c9d8-4bd2-b6b5-124fee6cc14d")
ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Invoke(HRESULT, ICoreWebView2Environment*) = 0;
};
MIDL_INTERFACE("6c4819f3-c9b7-4260-8127-c9f5bde7f68c")
ICoreWebView2CreateCoreWebView2ControllerCompletedHandler : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Invoke(HRESULT, ICoreWebView2Controller*) = 0;
};
MIDL_INTERFACE("b96d755e-0319-4e92-a296-23436f46a1fc")
ICoreWebView2Environment : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE CreateCoreWebView2Controller(HWND, ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*) = 0;
virtual HRESULT STDMETHODCALLTYPE CreateWebResourceResponse(IStream*, int, LPCWSTR, LPCWSTR, ICoreWebView2WebResourceResponse**) = 0;
virtual HRESULT STDMETHODCALLTYPE get_BrowserVersionString(LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE add_NewBrowserVersionAvailable(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_NewBrowserVersionAvailable(EventRegistrationToken) = 0;
};
MIDL_INTERFACE("0f99a40c-e962-4207-9e92-e3d542eff849")
ICoreWebView2WebMessageReceivedEventArgs : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_Source(LPWSTR *) = 0;
virtual HRESULT STDMETHODCALLTYPE get_WebMessageAsJson(LPWSTR *) = 0;
virtual HRESULT STDMETHODCALLTYPE TryGetWebMessageAsString(LPWSTR *) = 0;
};
MIDL_INTERFACE("57213f19-00e6-49fa-8e07-898ea01ecbd2")
ICoreWebView2WebMessageReceivedEventHandler : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Invoke(ICoreWebView2 *, ICoreWebView2WebMessageReceivedEventArgs *) = 0;
};
enum COREWEBVIEW2_PERMISSION_KIND
{
COREWEBVIEW2_PERMISSION_KIND_UNKNOWN_PERMISSION = 0,
COREWEBVIEW2_PERMISSION_KIND_MICROPHONE = (COREWEBVIEW2_PERMISSION_KIND_UNKNOWN_PERMISSION + 1),
COREWEBVIEW2_PERMISSION_KIND_CAMERA = (COREWEBVIEW2_PERMISSION_KIND_MICROPHONE + 1),
COREWEBVIEW2_PERMISSION_KIND_GEOLOCATION = (COREWEBVIEW2_PERMISSION_KIND_CAMERA + 1),
COREWEBVIEW2_PERMISSION_KIND_NOTIFICATIONS = (COREWEBVIEW2_PERMISSION_KIND_GEOLOCATION + 1),
COREWEBVIEW2_PERMISSION_KIND_OTHER_SENSORS = (COREWEBVIEW2_PERMISSION_KIND_NOTIFICATIONS + 1),
COREWEBVIEW2_PERMISSION_KIND_CLIPBOARD_READ = (COREWEBVIEW2_PERMISSION_KIND_OTHER_SENSORS + 1)
};
enum COREWEBVIEW2_PERMISSION_STATE
{
COREWEBVIEW2_PERMISSION_STATE_DEFAULT = 0,
COREWEBVIEW2_PERMISSION_STATE_ALLOW = (COREWEBVIEW2_PERMISSION_STATE_DEFAULT + 1),
COREWEBVIEW2_PERMISSION_STATE_DENY = (COREWEBVIEW2_PERMISSION_STATE_ALLOW + 1)
};
enum COREWEBVIEW2_MOVE_FOCUS_REASON
{
COREWEBVIEW2_MOVE_FOCUS_REASON_PROGRAMMATIC = 0,
COREWEBVIEW2_MOVE_FOCUS_REASON_NEXT = (COREWEBVIEW2_MOVE_FOCUS_REASON_PROGRAMMATIC + 1),
COREWEBVIEW2_MOVE_FOCUS_REASON_PREVIOUS = (COREWEBVIEW2_MOVE_FOCUS_REASON_NEXT + 1)
};
enum COREWEBVIEW2_CAPTURE_PREVIEW_IMAGE_FORMAT {};
enum COREWEBVIEW2_WEB_RESOURCE_CONTEXT
{
COREWEBVIEW2_WEB_RESOURCE_CONTEXT_ALL = 0
};
MIDL_INTERFACE("c10e7f7b-b585-46f0-a623-8befbf3e4ee0")
ICoreWebView2Deferral : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Complete() = 0;
};
MIDL_INTERFACE("97055cd4-512c-4264-8b5f-e3f446cea6a5")
ICoreWebView2WebResourceRequest : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_Uri(LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_Uri(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Method(LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_Method(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Content(IStream**) = 0;
virtual HRESULT STDMETHODCALLTYPE put_Content(IStream*) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Headers(ICoreWebView2HttpRequestHeaders**) = 0;
};
MIDL_INTERFACE("973ae2ef-ff18-4894-8fb2-3c758f046810")
ICoreWebView2PermissionRequestedEventArgs : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_Uri(LPWSTR *) = 0;
virtual HRESULT STDMETHODCALLTYPE get_PermissionKind(COREWEBVIEW2_PERMISSION_KIND *) = 0;
virtual HRESULT STDMETHODCALLTYPE get_IsUserInitiated(BOOL *) = 0;
virtual HRESULT STDMETHODCALLTYPE get_State(COREWEBVIEW2_PERMISSION_STATE *) = 0;
virtual HRESULT STDMETHODCALLTYPE put_State(COREWEBVIEW2_PERMISSION_STATE) = 0;
virtual HRESULT STDMETHODCALLTYPE GetDeferral(ICoreWebView2Deferral **) = 0;
};
MIDL_INTERFACE("e562e4f0-d7fa-43ac-8d71-c05150499f00")
ICoreWebView2Settings : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_IsScriptEnabled(BOOL * isScriptEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsScriptEnabled(BOOL isScriptEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_IsWebMessageEnabled(BOOL* isWebMessageEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsWebMessageEnabled(BOOL isWebMessageEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_AreDefaultScriptDialogsEnabled(BOOL* areDefaultScriptDialogsEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_AreDefaultScriptDialogsEnabled(BOOL areDefaultScriptDialogsEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_IsStatusBarEnabled(BOOL* isStatusBarEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsStatusBarEnabled(BOOL isStatusBarEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_AreDevToolsEnabled(BOOL* areDevToolsEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_AreDevToolsEnabled(BOOL areDevToolsEnabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_AreDefaultContextMenusEnabled(BOOL* enabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_AreDefaultContextMenusEnabled(BOOL enabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_AreHostObjectsAllowed(BOOL* allowed) = 0;
virtual HRESULT STDMETHODCALLTYPE put_AreHostObjectsAllowed(BOOL allowed) = 0;
virtual HRESULT STDMETHODCALLTYPE get_IsZoomControlEnabled(BOOL* enabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsZoomControlEnabled(BOOL enabled) = 0;
virtual HRESULT STDMETHODCALLTYPE get_IsBuiltInErrorPageEnabled(BOOL* enabled) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsBuiltInErrorPageEnabled(BOOL enabled) = 0;
};
MIDL_INTERFACE("ee9a0f68-f46c-4e32-ac23-ef8cac224d2a")
ICoreWebView2Settings2 : public ICoreWebView2Settings
{
public:
virtual HRESULT STDMETHODCALLTYPE get_UserAgent(LPWSTR * userAgent) = 0;
virtual HRESULT STDMETHODCALLTYPE put_UserAgent(LPCWSTR userAgent) = 0;
};
MIDL_INTERFACE("15e1c6a3-c72a-4df3-91d7-d097fbec6bfd")
ICoreWebView2PermissionRequestedEventHandler : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Invoke(ICoreWebView2*, ICoreWebView2PermissionRequestedEventArgs*) = 0;
};
MIDL_INTERFACE("76eceacb-0462-4d94-ac83-423a6793775e")
ICoreWebView2 : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_Settings(ICoreWebView2Settings**) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Source(LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE Navigate(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE NavigateToString(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE add_NavigationStarting(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_NavigationStarting(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_ContentLoading(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_ContentLoading(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_SourceChanged(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_SourceChanged(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_HistoryChanged(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_HistoryChanged(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_NavigationCompleted(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_NavigationCompleted(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_FrameNavigationStarting(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_FrameNavigationStarting(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_FrameNavigationCompleted(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_FrameNavigationCompleted(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_ScriptDialogOpening(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_ScriptDialogOpening(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_PermissionRequested(ICoreWebView2PermissionRequestedEventHandler*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_PermissionRequested(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_ProcessFailed(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_ProcessFailed(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE AddScriptToExecuteOnDocumentCreated(LPCWSTR, void*) = 0;
virtual HRESULT STDMETHODCALLTYPE RemoveScriptToExecuteOnDocumentCreated(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE ExecuteScript(LPCWSTR, void*) = 0;
virtual HRESULT STDMETHODCALLTYPE CapturePreview(COREWEBVIEW2_CAPTURE_PREVIEW_IMAGE_FORMAT, void*, void*) = 0;
virtual HRESULT STDMETHODCALLTYPE Reload() = 0;
virtual HRESULT STDMETHODCALLTYPE PostWebMessageAsJson(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE PostWebMessageAsString(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE add_WebMessageReceived(ICoreWebView2WebMessageReceivedEventHandler*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_WebMessageReceived(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE CallDevToolsProtocolMethod(LPCWSTR, LPCWSTR, void*) = 0;
virtual HRESULT STDMETHODCALLTYPE get_BrowserProcessId(UINT32*) = 0;
virtual HRESULT STDMETHODCALLTYPE get_CanGoBack(BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE get_CanGoForward(BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE GoBack() = 0;
virtual HRESULT STDMETHODCALLTYPE GoForward() = 0;
virtual HRESULT STDMETHODCALLTYPE GetDevToolsProtocolEventReceiver(LPCWSTR, void**) = 0;
virtual HRESULT STDMETHODCALLTYPE Stop() = 0;
virtual HRESULT STDMETHODCALLTYPE add_NewWindowRequested(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_NewWindowRequested(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_DocumentTitleChanged(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_DocumentTitleChanged(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE get_DocumentTitle(LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE AddHostObjectToScript(LPCWSTR, VARIANT*) = 0;
virtual HRESULT STDMETHODCALLTYPE RemoveHostObjectFromScript(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE OpenDevToolsWindow() = 0;
virtual HRESULT STDMETHODCALLTYPE add_ContainsFullScreenElementChanged(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_ContainsFullScreenElementChanged(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE get_ContainsFullScreenElement(BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE add_WebResourceRequested(ICoreWebView2WebResourceRequestedEventHandler*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_WebResourceRequested(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE AddWebResourceRequestedFilter(const LPCWSTR, const COREWEBVIEW2_WEB_RESOURCE_CONTEXT) = 0;
virtual HRESULT STDMETHODCALLTYPE RemoveWebResourceRequestedFilter(const LPCWSTR, const COREWEBVIEW2_WEB_RESOURCE_CONTEXT) = 0;
virtual HRESULT STDMETHODCALLTYPE add_WindowCloseRequested(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_WindowCloseRequested(EventRegistrationToken) = 0;
};
MIDL_INTERFACE("4d00c0d1-9434-4eb6-8078-8697a560334f")
ICoreWebView2Controller : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_IsVisible(BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_IsVisible(BOOL) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Bounds(RECT*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_Bounds(RECT) = 0;
virtual HRESULT STDMETHODCALLTYPE get_ZoomFactor(double*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_ZoomFactor(double) = 0;
virtual HRESULT STDMETHODCALLTYPE add_ZoomFactorChanged(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_ZoomFactorChanged(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE SetBoundsAndZoomFactor(RECT, double) = 0;
virtual HRESULT STDMETHODCALLTYPE MoveFocus(COREWEBVIEW2_MOVE_FOCUS_REASON) = 0;
virtual HRESULT STDMETHODCALLTYPE add_MoveFocusRequested(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_MoveFocusRequested(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_GotFocus(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_GotFocus(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_LostFocus(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_LostFocus(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE add_AcceleratorKeyPressed(void*, EventRegistrationToken*) = 0;
virtual HRESULT STDMETHODCALLTYPE remove_AcceleratorKeyPressed(EventRegistrationToken) = 0;
virtual HRESULT STDMETHODCALLTYPE get_ParentWindow(HWND*) = 0;
virtual HRESULT STDMETHODCALLTYPE put_ParentWindow(HWND) = 0;
virtual HRESULT STDMETHODCALLTYPE NotifyParentWindowPositionChanged() = 0;
virtual HRESULT STDMETHODCALLTYPE Close() = 0;
virtual HRESULT STDMETHODCALLTYPE get_CoreWebView2(ICoreWebView2**) = 0;
};
STDAPI CreateCoreWebView2EnvironmentWithOptions(PCWSTR, PCWSTR, void*, ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*);
MIDL_INTERFACE("0702fc30-f43b-47bb-ab52-a42cb552ad9f")
ICoreWebView2HttpHeadersCollectionIterator : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE GetCurrentHeader(LPWSTR*, LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE get_HasCurrentHeader(BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE MoveNext(BOOL*) = 0;
};
MIDL_INTERFACE("e86cac0e-5523-465c-b536-8fb9fc8c8c60")
ICoreWebView2HttpRequestHeaders : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE GetHeader(LPCWSTR, LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE GetHeaders(LPCWSTR, ICoreWebView2HttpHeadersCollectionIterator**) = 0;
virtual HRESULT STDMETHODCALLTYPE Contains(LPCWSTR, BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE SetHeader(LPCWSTR, LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE RemoveHeader(LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE GetIterator(ICoreWebView2HttpHeadersCollectionIterator**) = 0;
};
MIDL_INTERFACE("03c5ff5a-9b45-4a88-881c-89a9f328619c")
ICoreWebView2HttpResponseHeaders : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE AppendHeader(LPCWSTR, LPCWSTR) = 0;
virtual HRESULT STDMETHODCALLTYPE Contains(LPCWSTR, BOOL*) = 0;
virtual HRESULT STDMETHODCALLTYPE GetHeader(LPCWSTR, LPWSTR*) = 0;
virtual HRESULT STDMETHODCALLTYPE GetHeaders(LPCWSTR, ICoreWebView2HttpHeadersCollectionIterator**) = 0;
virtual HRESULT STDMETHODCALLTYPE GetIterator(ICoreWebView2HttpHeadersCollectionIterator**) = 0;
};
MIDL_INTERFACE("453e667f-12c7-49d4-be6d-ddbe7956f57a")
ICoreWebView2WebResourceRequestedEventArgs : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE get_Request(ICoreWebView2WebResourceRequest**) = 0;
virtual HRESULT STDMETHODCALLTYPE get_Response(ICoreWebView2WebResourceResponse**) = 0;
virtual HRESULT STDMETHODCALLTYPE put_Response(ICoreWebView2WebResourceResponse*) = 0;
virtual HRESULT STDMETHODCALLTYPE GetDeferral(ICoreWebView2Deferral**) = 0;
virtual HRESULT STDMETHODCALLTYPE get_ResourceContext(COREWEBVIEW2_WEB_RESOURCE_CONTEXT*) = 0;
};
MIDL_INTERFACE("ab00b74c-15f1-4646-80e8-e76341d25d71")
ICoreWebView2WebResourceRequestedEventHandler : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE Invoke(ICoreWebView2*, ICoreWebView2WebResourceRequestedEventArgs*) = 0;
};
MIDL_INTERFACE("aafcc94f-fa27-48fd-97df-830ef75aaec9")
ICoreWebView2WebResourceResponse : public IUnknown