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wxWidgets/src/html/htmlctrl/webkit/webkit.mm
Stefan Csomor 0044bf4a7a macos 10.15 build
adapt to removed headers, add version defines
2019-08-07 12:05:13 +02:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/html/htmlctrl/webkit/webkit.mm
// Purpose: wxWebKitCtrl - embeddable web kit control
// Author: Jethro Grassie / Kevin Ollivier
// Modified by:
// Created: 2004-4-16
// Copyright: (c) Jethro Grassie / Kevin Ollivier
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/splitter.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if wxUSE_WEBKIT
#include "wx/osx/private.h"
#include <WebKit/WebKit.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_15
#include <WebKit/HIWebView.h>
#include <WebKit/CarbonUtils.h>
#endif
#include "wx/html/webkit.h"
#define DEBUG_WEBKIT_SIZING 0
#if defined(MAC_OS_X_VERSION_10_11) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11)
#define wxWEBKIT_PROTOCOL_SINCE_10_11(proto) < proto >
#else
#define wxWEBKIT_PROTOCOL_SINCE_10_11(proto)
#endif
extern WXDLLEXPORT_DATA(const char) wxWebKitCtrlNameStr[] = "webkitctrl";
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
wxIMPLEMENT_DYNAMIC_CLASS(wxWebKitCtrl, wxControl);
wxBEGIN_EVENT_TABLE(wxWebKitCtrl, wxControl)
wxEND_EVENT_TABLE()
// ----------------------------------------------------------------------------
// wxWebKit Events
// ----------------------------------------------------------------------------
wxIMPLEMENT_DYNAMIC_CLASS(wxWebKitStateChangedEvent, wxCommandEvent);
wxDEFINE_EVENT( wxEVT_WEBKIT_STATE_CHANGED, wxWebKitStateChangedEvent );
wxWebKitStateChangedEvent::wxWebKitStateChangedEvent( wxWindow* win )
{
SetEventType( wxEVT_WEBKIT_STATE_CHANGED);
if ( win )
{
SetEventObject( win );
SetId(win->GetId());
}
}
wxIMPLEMENT_DYNAMIC_CLASS(wxWebKitBeforeLoadEvent, wxCommandEvent);
wxDEFINE_EVENT( wxEVT_WEBKIT_BEFORE_LOAD, wxWebKitBeforeLoadEvent );
wxWebKitBeforeLoadEvent::wxWebKitBeforeLoadEvent( wxWindow* win )
{
m_cancelled = false;
SetEventType( wxEVT_WEBKIT_BEFORE_LOAD);
if ( win )
{
SetEventObject( win );
SetId(win->GetId());
}
}
wxIMPLEMENT_DYNAMIC_CLASS(wxWebKitNewWindowEvent, wxCommandEvent);
wxDEFINE_EVENT( wxEVT_WEBKIT_NEW_WINDOW, wxWebKitNewWindowEvent );
wxWebKitNewWindowEvent::wxWebKitNewWindowEvent( wxWindow* win )
{
SetEventType( wxEVT_WEBKIT_NEW_WINDOW);
if ( win )
{
SetEventObject( win );
SetId(win->GetId());
}
}
inline int wxNavTypeFromWebNavType(int type){
if (type == WebNavigationTypeLinkClicked)
return wxWEBKIT_NAV_LINK_CLICKED;
if (type == WebNavigationTypeFormSubmitted)
return wxWEBKIT_NAV_FORM_SUBMITTED;
if (type == WebNavigationTypeBackForward)
return wxWEBKIT_NAV_BACK_NEXT;
if (type == WebNavigationTypeReload)
return wxWEBKIT_NAV_RELOAD;
if (type == WebNavigationTypeFormResubmitted)
return wxWEBKIT_NAV_FORM_RESUBMITTED;
return wxWEBKIT_NAV_OTHER;
}
@interface MyFrameLoadMonitor : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebFrameLoadDelegate)
{
wxWebKitCtrl* webKitWindow;
}
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow;
@end
@interface MyPolicyDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebPolicyDelegate)
{
wxWebKitCtrl* webKitWindow;
}
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow;
@end
@interface MyUIDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebUIDelegate)
{
wxWebKitCtrl* webKitWindow;
}
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow;
@end
// ----------------------------------------------------------------------------
// creation/destruction
// ----------------------------------------------------------------------------
bool wxWebKitCtrl::Create(wxWindow *parent,
wxWindowID winID,
const wxString& strURL,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name)
{
m_currentURL = strURL;
//m_pageTitle = _("Untitled Page");
//still needed for wxCocoa??
/*
int width, height;
wxSize sizeInstance;
if (size.x == wxDefaultCoord || size.y == wxDefaultCoord)
{
m_parent->GetClientSize(&width, &height);
sizeInstance.x = width;
sizeInstance.y = height;
}
else
{
sizeInstance.x = size.x;
sizeInstance.y = size.y;
}
*/
// now create and attach WebKit view...
DontCreatePeer();
wxControl::Create(parent, winID, pos, size, style , validator , name);
NSRect r = wxOSXGetFrameForControl( this, pos , size ) ;
m_webView = [[WebView alloc] initWithFrame:r frameName:@"webkitFrame" groupName:@"webkitGroup"];
SetPeer(new wxWidgetCocoaImpl( this, m_webView ));
MacPostControlCreate(pos, size);
[m_webView setHidden:false];
// Register event listener interfaces
MyFrameLoadMonitor* myFrameLoadMonitor = [[MyFrameLoadMonitor alloc] initWithWxWindow: this];
[m_webView setFrameLoadDelegate:myFrameLoadMonitor];
m_frameLoadMonitor = myFrameLoadMonitor;
// this is used to veto page loads, etc.
MyPolicyDelegate* myPolicyDelegate = [[MyPolicyDelegate alloc] initWithWxWindow: this];
[m_webView setPolicyDelegate:myPolicyDelegate];
m_policyDelegate = myPolicyDelegate;
// this is used to provide printing support for JavaScript
MyUIDelegate* myUIDelegate = [[MyUIDelegate alloc] initWithWxWindow: this];
[m_webView setUIDelegate:myUIDelegate];
m_UIDelegate = myUIDelegate;
LoadURL(m_currentURL);
return true;
}
wxWebKitCtrl::~wxWebKitCtrl()
{
[m_webView setFrameLoadDelegate: nil];
[m_webView setPolicyDelegate: nil];
[m_webView setUIDelegate: nil];
if (m_frameLoadMonitor)
[m_frameLoadMonitor release];
if (m_policyDelegate)
[m_policyDelegate release];
if (m_UIDelegate)
[m_UIDelegate release];
}
// ----------------------------------------------------------------------------
// public methods
// ----------------------------------------------------------------------------
void wxWebKitCtrl::LoadURL(const wxString &url)
{
if( !m_webView )
return;
[[m_webView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:wxNSStringWithWxString(url)]]];
m_currentURL = url;
}
bool wxWebKitCtrl::CanGoBack(){
if ( !m_webView )
return false;
return [m_webView canGoBack];
}
bool wxWebKitCtrl::CanGoForward(){
if ( !m_webView )
return false;
return [m_webView canGoForward];
}
bool wxWebKitCtrl::GoBack(){
if ( !m_webView )
return false;
bool result = [(WebView*)m_webView goBack];
return result;
}
bool wxWebKitCtrl::GoForward(){
if ( !m_webView )
return false;
bool result = [(WebView*)m_webView goForward];
return result;
}
void wxWebKitCtrl::Reload(){
if ( !m_webView )
return;
[[m_webView mainFrame] reload];
}
void wxWebKitCtrl::Stop(){
if ( !m_webView )
return;
[[m_webView mainFrame] stopLoading];
}
bool wxWebKitCtrl::CanGetPageSource(){
if ( !m_webView )
return false;
WebDataSource* dataSource = [[m_webView mainFrame] dataSource];
return ( [[dataSource representation] canProvideDocumentSource] );
}
wxString wxWebKitCtrl::GetPageSource(){
if (CanGetPageSource()){
WebDataSource* dataSource = [[m_webView mainFrame] dataSource];
return wxStringWithNSString( [[dataSource representation] documentSource] );
}
return wxEmptyString;
}
wxString wxWebKitCtrl::GetSelection(){
if ( !m_webView )
return wxEmptyString;
NSString* selectedText = [[m_webView selectedDOMRange] toString];
return wxStringWithNSString( selectedText );
}
bool wxWebKitCtrl::CanIncreaseTextSize(){
if ( !m_webView )
return false;
if ([m_webView canMakeTextLarger])
return true;
else
return false;
}
void wxWebKitCtrl::IncreaseTextSize(){
if ( !m_webView )
return;
if (CanIncreaseTextSize())
[m_webView makeTextLarger:(WebView*)m_webView];
}
bool wxWebKitCtrl::CanDecreaseTextSize(){
if ( !m_webView )
return false;
if ([m_webView canMakeTextSmaller])
return true;
else
return false;
}
void wxWebKitCtrl::DecreaseTextSize(){
if ( !m_webView )
return;
if (CanDecreaseTextSize())
[m_webView makeTextSmaller:(WebView*)m_webView];
}
void wxWebKitCtrl::SetPageSource(const wxString& source, const wxString& baseUrl){
if ( !m_webView )
return;
[[m_webView mainFrame] loadHTMLString:(NSString*)wxNSStringWithWxString( source ) baseURL:[NSURL URLWithString:wxNSStringWithWxString( baseUrl )]];
}
void wxWebKitCtrl::Print(bool showPrompt){
if ( !m_webView )
return;
id view = [[[m_webView mainFrame] frameView] documentView];
NSPrintOperation *op = [NSPrintOperation printOperationWithView:view printInfo: [NSPrintInfo sharedPrintInfo]];
if (showPrompt){
[op setShowsPrintPanel: showPrompt];
// in my tests, the progress bar always freezes and it stops the whole print operation.
// do not turn this to true unless there is a workaround for the bug.
[op setShowsProgressPanel: false];
}
// Print it.
[op runOperation];
}
void wxWebKitCtrl::MakeEditable(bool enable){
if ( !m_webView )
return;
[m_webView setEditable:enable ];
}
bool wxWebKitCtrl::IsEditable(){
if ( !m_webView )
return false;
return [m_webView isEditable];
}
int wxWebKitCtrl::GetScrollPos(){
id result = [[m_webView windowScriptObject] evaluateWebScript:@"document.body.scrollTop"];
return [result intValue];
}
void wxWebKitCtrl::SetScrollPos(int pos){
if ( !m_webView )
return;
wxString javascript;
javascript.Printf(wxT("document.body.scrollTop = %d;"), pos);
[[m_webView windowScriptObject] evaluateWebScript:(NSString*)wxNSStringWithWxString( javascript )];
}
wxString wxWebKitCtrl::RunScript(const wxString& javascript){
if ( !m_webView )
return wxEmptyString;
id result = [[m_webView windowScriptObject] evaluateWebScript:(NSString*)wxNSStringWithWxString( javascript )];
NSString* resultAsString;
if ([result isKindOfClass:[NSNumber class]]){
// __NSCFBoolean is a subclass of NSNumber
if (strcmp([result objCType], @encode(BOOL)) == 0){
if ([result boolValue])
resultAsString = @"true";
else
resultAsString = @"false";
}
else
resultAsString = [NSString stringWithFormat:@"%@", result];
}
else if ([result isKindOfClass:[NSString class]])
resultAsString = result;
else if ([result isKindOfClass:[WebScriptObject class]])
resultAsString = [result stringRepresentation];
else
return wxString(); // This can happen, see e.g. #12361.
return wxStringWithNSString( resultAsString );
}
void wxWebKitCtrl::OnSize(wxSizeEvent &event){
event.Skip();
}
void wxWebKitCtrl::MacVisibilityChanged(){
}
//------------------------------------------------------------
// Listener interfaces
//------------------------------------------------------------
// NB: I'm still tracking this down, but it appears the Cocoa window
// still has these events fired on it while the Carbon control is being
// destroyed. Therefore, we must be careful to check both the existence
// of the Carbon control and the event handler before firing events.
@implementation MyFrameLoadMonitor
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow
{
if ( self = [super init] )
{
webKitWindow = inWindow; // non retained
}
return self;
}
- (void)webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame
{
if (webKitWindow && frame == [sender mainFrame]){
NSString *url = [[[[frame provisionalDataSource] request] URL] absoluteString];
wxWebKitStateChangedEvent thisEvent(webKitWindow);
thisEvent.SetState(wxWEBKIT_STATE_NEGOTIATING);
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent( thisEvent );
}
}
- (void)webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame
{
if (webKitWindow && frame == [sender mainFrame]){
NSString *url = [[[[frame dataSource] request] URL] absoluteString];
wxWebKitStateChangedEvent thisEvent(webKitWindow);
thisEvent.SetState(wxWEBKIT_STATE_TRANSFERRING);
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent( thisEvent );
}
}
- (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
{
if (webKitWindow && frame == [sender mainFrame]){
NSString *url = [[[[frame dataSource] request] URL] absoluteString];
wxWebKitStateChangedEvent thisEvent(webKitWindow);
thisEvent.SetState(wxWEBKIT_STATE_STOP);
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent( thisEvent );
}
}
- (void)webView:(WebView *)sender didFailLoadWithError:(NSError*) error forFrame:(WebFrame *)frame
{
wxUnusedVar(error);
if (webKitWindow && frame == [sender mainFrame]){
NSString *url = [[[[frame dataSource] request] URL] absoluteString];
wxWebKitStateChangedEvent thisEvent(webKitWindow);
thisEvent.SetState(wxWEBKIT_STATE_FAILED);
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent( thisEvent );
}
}
- (void)webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError*) error forFrame:(WebFrame *)frame
{
wxUnusedVar(error);
if (webKitWindow && frame == [sender mainFrame]){
NSString *url = [[[[frame provisionalDataSource] request] URL] absoluteString];
wxWebKitStateChangedEvent thisEvent(webKitWindow);
thisEvent.SetState(wxWEBKIT_STATE_FAILED);
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent( thisEvent );
}
}
- (void)webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame
{
if (webKitWindow && frame == [sender mainFrame]){
webKitWindow->SetPageTitle(wxStringWithNSString( title ));
}
}
@end
@implementation MyPolicyDelegate
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow
{
if ( self = [super init] )
{
webKitWindow = inWindow; // non retained
}
return self;
}
- (void)webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener
{
wxUnusedVar(sender);
wxUnusedVar(frame);
wxWebKitBeforeLoadEvent thisEvent(webKitWindow);
// Get the navigation type.
NSNumber *n = [actionInformation objectForKey:WebActionNavigationTypeKey];
int actionType = [n intValue];
thisEvent.SetNavigationType( wxNavTypeFromWebNavType(actionType) );
NSString *url = [[request URL] absoluteString];
thisEvent.SetURL( wxStringWithNSString( url ) );
if (webKitWindow && webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent(thisEvent);
if (thisEvent.IsCancelled())
[listener ignore];
else
[listener use];
}
- (void)webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request newFrameName:(NSString *)frameName decisionListener:(id < WebPolicyDecisionListener >)listener
{
wxUnusedVar(sender);
wxUnusedVar(actionInformation);
wxWebKitNewWindowEvent thisEvent(webKitWindow);
NSString *url = [[request URL] absoluteString];
thisEvent.SetURL( wxStringWithNSString( url ) );
thisEvent.SetTargetName( wxStringWithNSString( frameName ) );
if (webKitWindow && webKitWindow->GetEventHandler())
webKitWindow->GetEventHandler()->ProcessEvent(thisEvent);
[listener use];
}
@end
@implementation MyUIDelegate
- (id)initWithWxWindow: (wxWebKitCtrl*)inWindow
{
if ( self = [super init] )
{
webKitWindow = inWindow; // non retained
}
return self;
}
- (void)webView:(WebView *)sender printFrameView:(WebFrameView *)frameView
{
wxUnusedVar(sender);
wxUnusedVar(frameView);
webKitWindow->Print(true);
}
@end
#endif //wxUSE_WEBKIT