mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-15 00:24:19 +00:00
666 lines
23 KiB
Text
666 lines
23 KiB
Text
/*
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==============================================================================
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This file is part of the JUCE 6 technical preview.
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Copyright (c) 2017 - ROLI Ltd.
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You may use this code under the terms of the GPL v3
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(see www.gnu.org/licenses).
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For this technical preview, this file is not subject to commercial licensing.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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#if (defined (MAC_OS_X_VERSION_10_11) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_11) \
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|| (defined (__IPHONE_8_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
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#define JUCE_USE_WKWEBVIEW 1
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#if (defined (MAC_OS_X_VERSION_10_12) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12)
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#define WKWEBVIEW_OPENPANEL_SUPPORTED 1
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#endif
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#endif
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NSMutableURLRequest* getRequestForURL (const String& url, const StringArray* headers, const MemoryBlock* postData)
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{
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NSString* urlString = juceStringToNS (url);
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#if (JUCE_MAC && (defined (MAC_OS_X_VERSION_10_9) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9)) \
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|| (JUCE_IOS && (defined (__IPHONE_7_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_7_0))
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urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
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#else
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urlString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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#endif
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if (NSURL* nsURL = [NSURL URLWithString: urlString])
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{
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NSMutableURLRequest* r
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= [NSMutableURLRequest requestWithURL: nsURL
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cachePolicy: NSURLRequestUseProtocolCachePolicy
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timeoutInterval: 30.0];
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if (postData != nullptr && postData->getSize() > 0)
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{
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[r setHTTPMethod: nsStringLiteral ("POST")];
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[r setHTTPBody: [NSData dataWithBytes: postData->getData()
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length: postData->getSize()]];
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}
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if (headers != nullptr)
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{
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for (int i = 0; i < headers->size(); ++i)
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{
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auto headerName = (*headers)[i].upToFirstOccurrenceOf (":", false, false).trim();
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auto headerValue = (*headers)[i].fromFirstOccurrenceOf (":", false, false).trim();
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[r setValue: juceStringToNS (headerValue)
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forHTTPHeaderField: juceStringToNS (headerName)];
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}
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}
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return r;
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}
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return nullptr;
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}
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#if JUCE_USE_WKWEBVIEW
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struct WebViewDelegateClass : public ObjCClass<NSObject>
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{
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WebViewDelegateClass() : ObjCClass<NSObject> ("JUCEWebViewDelegate_")
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{
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addIvar<WebBrowserComponent*> ("owner");
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addMethod (@selector (webView:decidePolicyForNavigationAction:decisionHandler:), decidePolicyForNavigationAction, "v@:@@@");
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addMethod (@selector (webView:didFinishNavigation:), didFinishNavigation, "v@:@@");
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addMethod (@selector (webView:didFailNavigation:withError:), didFailNavigation, "v@:@@@");
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addMethod (@selector (webView:didFailProvisionalNavigation:withError:), didFailProvisionalNavigation, "v@:@@@");
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addMethod (@selector (webView:webViewDidClose:), webViewDidClose, "v@:@");
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addMethod (@selector (webView:createWebViewWithConfiguration:forNavigationAction:
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windowFeatures:), createWebView, "@@:@@@@");
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#if WKWEBVIEW_OPENPANEL_SUPPORTED
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addMethod (@selector (webView:runOpenPanelWithParameters:
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initiatedByFrame:completionHandler:), runOpenPanel, "v@:@@@@");
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#endif
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registerClass();
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}
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static void setOwner (id self, WebBrowserComponent* owner) { object_setInstanceVariable (self, "owner", owner); }
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static WebBrowserComponent* getOwner (id self) { return getIvar<WebBrowserComponent*> (self, "owner"); }
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private:
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static void decidePolicyForNavigationAction (id self, SEL, WKWebView*, WKNavigationAction* navigationAction,
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void (^decisionHandler)(WKNavigationActionPolicy))
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{
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if (getOwner (self)->pageAboutToLoad (nsStringToJuce ([[[navigationAction request] URL] absoluteString])))
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decisionHandler (WKNavigationActionPolicyAllow);
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else
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decisionHandler (WKNavigationActionPolicyCancel);
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}
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static void didFinishNavigation (id self, SEL, WKWebView* webview, WKNavigation*)
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{
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getOwner (self)->pageFinishedLoading (nsStringToJuce ([[webview URL] absoluteString]));
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}
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static void displayError (WebBrowserComponent* owner, NSError* error)
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{
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if ([error code] != NSURLErrorCancelled)
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{
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auto errorString = nsStringToJuce ([error localizedDescription]);
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bool proceedToErrorPage = owner->pageLoadHadNetworkError (errorString);
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// WKWebView doesn't have an internal error page, so make a really simple one ourselves
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if (proceedToErrorPage)
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owner->goToURL ("data:text/plain;charset=UTF-8," + errorString);
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}
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}
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static void didFailNavigation (id self, SEL, WKWebView*, WKNavigation*, NSError* error)
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{
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displayError (getOwner (self), error);
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}
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static void didFailProvisionalNavigation (id self, SEL, WKWebView*, WKNavigation*, NSError* error)
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{
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displayError (getOwner (self), error);
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}
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static void webViewDidClose (id self, SEL, WKWebView*)
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{
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getOwner (self)->windowCloseRequest();
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}
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static WKWebView* createWebView (id self, SEL, WKWebView*, WKWebViewConfiguration*,
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WKNavigationAction* navigationAction, WKWindowFeatures*)
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{
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getOwner (self)->newWindowAttemptingToLoad (nsStringToJuce ([[[navigationAction request] URL] absoluteString]));
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return nil;
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}
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#if WKWEBVIEW_OPENPANEL_SUPPORTED
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static void runOpenPanel (id, SEL, WKWebView*, WKOpenPanelParameters* parameters, WKFrameInfo*,
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void (^completionHandler)(NSArray<NSURL*>*))
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{
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#if JUCE_MODAL_LOOPS_PERMITTED
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FileChooser chooser (TRANS("Select the file you want to upload..."),
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File::getSpecialLocation (File::userHomeDirectory), "*");
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auto flags = FileBrowserComponent::openMode | FileBrowserComponent::canSelectFiles
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#if (defined (MAC_OS_X_VERSION_10_14) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_14)
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if ([parameters allowsDirectories])
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flags |= FileBrowserComponent::canSelectDirectories;
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#endif
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if (chooser.showDialog (flags, nullptr))
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{
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auto results = chooser.getResults();
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auto urls = [NSMutableArray arrayWithCapacity: (NSUInteger) results.size()];
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for (auto& f : results)
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[urls addObject: [NSURL fileURLWithPath: juceStringToNS (f.getFullPathName())]];
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completionHandler (urls);
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}
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else
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{
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completionHandler (nil);
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}
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#else
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ignoreUnused (parameters, completionHandler);
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jassertfalse; // Can't use this without modal loops being enabled!
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#endif
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}
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#endif
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};
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//==============================================================================
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class WebBrowserComponent::Pimpl
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#if JUCE_MAC
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: public NSViewComponent
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#else
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: public UIViewComponent
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#endif
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{
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public:
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Pimpl (WebBrowserComponent* owner)
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{
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ignoreUnused (owner);
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WKWebViewConfiguration* config = [[WKWebViewConfiguration alloc] init];
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#if JUCE_MAC
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auto frame = NSMakeRect (0, 0, 100.0f, 100.0f);
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#else
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auto frame = CGRectMake (0, 0, 100.0f, 100.0f);
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#endif
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webView = [[WKWebView alloc] initWithFrame: frame
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configuration: config];
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static WebViewDelegateClass cls;
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webViewDelegate = [cls.createInstance() init];
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WebViewDelegateClass::setOwner (webViewDelegate, owner);
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[webView setNavigationDelegate: webViewDelegate];
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[webView setUIDelegate: webViewDelegate];
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setView (webView);
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}
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~Pimpl()
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{
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[webView setNavigationDelegate: nil];
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[webView setUIDelegate: nil];
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[webViewDelegate release];
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setView (nil);
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}
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void goToURL (const String& url,
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const StringArray* headers,
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const MemoryBlock* postData)
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{
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stop();
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if (url.trimStart().startsWithIgnoreCase ("javascript:"))
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{
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[webView evaluateJavaScript: juceStringToNS (url.fromFirstOccurrenceOf (":", false, false))
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completionHandler: nil];
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}
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else if (NSMutableURLRequest* request = getRequestForURL (url, headers, postData))
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{
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[webView loadRequest: request];
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}
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}
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void goBack() { [webView goBack]; }
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void goForward() { [webView goForward]; }
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void stop() { [webView stopLoading]; }
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void refresh() { [webView reload]; }
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private:
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WKWebView* webView = nil;
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id webViewDelegate;
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};
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#else
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#if JUCE_MAC
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struct WebViewKeyEquivalentResponder : public ObjCClass<WebView>
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{
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WebViewKeyEquivalentResponder() : ObjCClass<WebView> ("WebViewKeyEquivalentResponder_")
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{
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addMethod (@selector (performKeyEquivalent:), performKeyEquivalent, @encode (BOOL), "@:@");
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registerClass();
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}
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private:
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static BOOL performKeyEquivalent (id self, SEL selector, NSEvent* event)
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{
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NSResponder* first = [[self window] firstResponder];
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if (([event modifierFlags] & NSDeviceIndependentModifierFlagsMask) == NSCommandKeyMask)
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{
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if ([[event charactersIgnoringModifiers] isEqualToString:@"x"]) return [NSApp sendAction:@selector(cut:) to:first from:self];
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if ([[event charactersIgnoringModifiers] isEqualToString:@"c"]) return [NSApp sendAction:@selector(copy:) to:first from:self];
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if ([[event charactersIgnoringModifiers] isEqualToString:@"v"]) return [NSApp sendAction:@selector(paste:) to:first from:self];
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if ([[event charactersIgnoringModifiers] isEqualToString:@"a"]) return [NSApp sendAction:@selector(selectAll:) to:first from:self];
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}
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objc_super s = { self, [WebView class] };
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return ObjCMsgSendSuper<BOOL, NSEvent*> (&s, selector, event);
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}
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};
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struct DownloadClickDetectorClass : public ObjCClass<NSObject>
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{
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DownloadClickDetectorClass() : ObjCClass<NSObject> ("JUCEWebClickDetector_")
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{
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addIvar<WebBrowserComponent*> ("owner");
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addMethod (@selector (webView:decidePolicyForNavigationAction:request:frame:decisionListener:),
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decidePolicyForNavigationAction, "v@:@@@@@");
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addMethod (@selector (webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:),
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decidePolicyForNewWindowAction, "v@:@@@@@");
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addMethod (@selector (webView:didFinishLoadForFrame:), didFinishLoadForFrame, "v@:@@");
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addMethod (@selector (webView:didFailLoadWithError:forFrame:), didFailLoadWithError, "v@:@@@");
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addMethod (@selector (webView:didFailProvisionalLoadWithError:forFrame:), didFailLoadWithError, "v@:@@@");
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addMethod (@selector (webView:willCloseFrame:), willCloseFrame, "v@:@@");
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addMethod (@selector (webView:runOpenPanelForFileButtonWithResultListener:allowMultipleFiles:), runOpenPanel, "v@:@@", @encode (BOOL));
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registerClass();
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}
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static void setOwner (id self, WebBrowserComponent* owner) { object_setInstanceVariable (self, "owner", owner); }
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static WebBrowserComponent* getOwner (id self) { return getIvar<WebBrowserComponent*> (self, "owner"); }
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private:
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static String getOriginalURL (NSDictionary* actionInformation)
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{
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if (NSURL* url = [actionInformation valueForKey: nsStringLiteral ("WebActionOriginalURLKey")])
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return nsStringToJuce ([url absoluteString]);
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return {};
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}
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static void decidePolicyForNavigationAction (id self, SEL, WebView*, NSDictionary* actionInformation,
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NSURLRequest*, WebFrame*, id<WebPolicyDecisionListener> listener)
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{
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if (getOwner (self)->pageAboutToLoad (getOriginalURL (actionInformation)))
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[listener use];
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else
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[listener ignore];
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}
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static void decidePolicyForNewWindowAction (id self, SEL, WebView*, NSDictionary* actionInformation,
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NSURLRequest*, NSString*, id<WebPolicyDecisionListener> listener)
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{
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getOwner (self)->newWindowAttemptingToLoad (getOriginalURL (actionInformation));
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[listener ignore];
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}
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static void didFinishLoadForFrame (id self, SEL, WebView* sender, WebFrame* frame)
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{
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if ([frame isEqual: [sender mainFrame]])
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{
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NSURL* url = [[[frame dataSource] request] URL];
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getOwner (self)->pageFinishedLoading (nsStringToJuce ([url absoluteString]));
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}
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}
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static void didFailLoadWithError (id self, SEL, WebView* sender, NSError* error, WebFrame* frame)
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{
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if ([frame isEqual: [sender mainFrame]] && error != nullptr && [error code] != NSURLErrorCancelled)
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{
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auto errorString = nsStringToJuce ([error localizedDescription]);
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bool proceedToErrorPage = getOwner (self)->pageLoadHadNetworkError (errorString);
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// WebKit doesn't have an internal error page, so make a really simple one ourselves
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if (proceedToErrorPage)
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getOwner (self)->goToURL ("data:text/plain;charset=UTF-8," + errorString);
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}
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}
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static void willCloseFrame (id self, SEL, WebView*, WebFrame*)
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{
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getOwner (self)->windowCloseRequest();
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}
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static void runOpenPanel (id, SEL, WebView*, id<WebOpenPanelResultListener> resultListener, BOOL allowMultipleFiles)
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{
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#if JUCE_MODAL_LOOPS_PERMITTED
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FileChooser chooser (TRANS("Select the file you want to upload..."),
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File::getSpecialLocation (File::userHomeDirectory), "*");
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if (allowMultipleFiles ? chooser.browseForMultipleFilesToOpen()
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: chooser.browseForFileToOpen())
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{
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for (auto& f : chooser.getResults())
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[resultListener chooseFilename: juceStringToNS (f.getFullPathName())];
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}
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#else
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ignoreUnused (resultListener, allowMultipleFiles);
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jassertfalse; // Can't use this without modal loops being enabled!
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#endif
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}
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};
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#else
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struct WebViewDelegateClass : public ObjCClass<NSObject>
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{
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WebViewDelegateClass() : ObjCClass<NSObject> ("JUCEWebViewDelegate_")
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{
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addIvar<WebBrowserComponent*> ("owner");
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addMethod (@selector (gestureRecognizer:shouldRecognizeSimultaneouslyWithGestureRecognizer:),
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shouldRecognizeSimultaneouslyWithGestureRecognizer, "c@:@@");
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addMethod (@selector (webView:shouldStartLoadWithRequest:navigationType:), shouldStartLoadWithRequest, "c@:@@@");
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addMethod (@selector (webViewDidFinishLoad:), webViewDidFinishLoad, "v@:@");
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registerClass();
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}
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static void setOwner (id self, WebBrowserComponent* owner) { object_setInstanceVariable (self, "owner", owner); }
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static WebBrowserComponent* getOwner (id self) { return getIvar<WebBrowserComponent*> (self, "owner"); }
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private:
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static BOOL shouldRecognizeSimultaneouslyWithGestureRecognizer (id, SEL, UIGestureRecognizer*, UIGestureRecognizer*)
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{
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return YES;
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}
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static BOOL shouldStartLoadWithRequest (id self, SEL, UIWebView*, NSURLRequest* request, UIWebViewNavigationType)
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{
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return getOwner (self)->pageAboutToLoad (nsStringToJuce ([[request URL] absoluteString]));
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}
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static void webViewDidFinishLoad (id self, SEL, UIWebView* webView)
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{
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getOwner (self)->pageFinishedLoading (nsStringToJuce ([[[webView request] URL] absoluteString]));
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}
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};
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#endif
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//==============================================================================
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class WebBrowserComponent::Pimpl
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#if JUCE_MAC
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: public NSViewComponent
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#else
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: public UIViewComponent
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#endif
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{
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public:
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Pimpl (WebBrowserComponent* owner)
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{
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#if JUCE_MAC
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static WebViewKeyEquivalentResponder webviewClass;
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webView = (WebView*) webviewClass.createInstance();
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webView = [webView initWithFrame: NSMakeRect (0, 0, 100.0f, 100.0f)
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frameName: nsEmptyString()
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groupName: nsEmptyString()];
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static DownloadClickDetectorClass cls;
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clickListener = [cls.createInstance() init];
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DownloadClickDetectorClass::setOwner (clickListener, owner);
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[webView setPolicyDelegate: clickListener];
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[webView setFrameLoadDelegate: clickListener];
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[webView setUIDelegate: clickListener];
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#else
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webView = [[UIWebView alloc] initWithFrame: CGRectMake (0, 0, 1.0f, 1.0f)];
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static WebViewDelegateClass cls;
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webViewDelegate = [cls.createInstance() init];
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WebViewDelegateClass::setOwner (webViewDelegate, owner);
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[webView setDelegate: webViewDelegate];
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#endif
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setView (webView);
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}
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~Pimpl()
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{
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#if JUCE_MAC
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[webView setPolicyDelegate: nil];
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[webView setFrameLoadDelegate: nil];
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[webView setUIDelegate: nil];
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[clickListener release];
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#else
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[webView setDelegate: nil];
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[webViewDelegate release];
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#endif
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setView (nil);
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}
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void goToURL (const String& url,
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const StringArray* headers,
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const MemoryBlock* postData)
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{
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stop();
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if (url.trimStart().startsWithIgnoreCase ("javascript:"))
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{
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[webView stringByEvaluatingJavaScriptFromString:
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juceStringToNS (url.fromFirstOccurrenceOf (":", false, false))];
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}
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else if (NSMutableURLRequest* request = getRequestForURL (url, headers, postData))
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{
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#if JUCE_MAC
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[[webView mainFrame] loadRequest: request];
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#else
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[webView loadRequest: request];
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#endif
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|
#if JUCE_IOS
|
|
[webView setScalesPageToFit: YES];
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void goBack() { [webView goBack]; }
|
|
void goForward() { [webView goForward]; }
|
|
|
|
#if JUCE_MAC
|
|
void stop() { [webView stopLoading: nil]; }
|
|
void refresh() { [webView reload: nil]; }
|
|
#else
|
|
void stop() { [webView stopLoading]; }
|
|
void refresh() { [webView reload]; }
|
|
#endif
|
|
|
|
void mouseMove (const MouseEvent&)
|
|
{
|
|
// WebKit doesn't capture mouse-moves itself, so it seems the only way to make
|
|
// them work is to push them via this non-public method..
|
|
if ([webView respondsToSelector: @selector (_updateMouseoverWithFakeEvent)])
|
|
[webView performSelector: @selector (_updateMouseoverWithFakeEvent)];
|
|
}
|
|
|
|
private:
|
|
#if JUCE_MAC
|
|
WebView* webView = nil;
|
|
id clickListener;
|
|
#else
|
|
UIWebView* webView = nil;
|
|
id webViewDelegate;
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|
|
//==============================================================================
|
|
WebBrowserComponent::WebBrowserComponent (bool unloadWhenHidden)
|
|
: unloadPageWhenBrowserIsHidden (unloadWhenHidden)
|
|
{
|
|
setOpaque (true);
|
|
browser.reset (new Pimpl (this));
|
|
addAndMakeVisible (browser.get());
|
|
}
|
|
|
|
WebBrowserComponent::~WebBrowserComponent()
|
|
{
|
|
}
|
|
|
|
//==============================================================================
|
|
void WebBrowserComponent::goToURL (const String& url,
|
|
const StringArray* headers,
|
|
const MemoryBlock* postData)
|
|
{
|
|
lastURL = url;
|
|
|
|
if (headers != nullptr)
|
|
lastHeaders = *headers;
|
|
else
|
|
lastHeaders.clear();
|
|
|
|
if (postData != nullptr)
|
|
lastPostData = *postData;
|
|
else
|
|
lastPostData.reset();
|
|
|
|
blankPageShown = false;
|
|
|
|
browser->goToURL (url, headers, postData);
|
|
}
|
|
|
|
void WebBrowserComponent::stop()
|
|
{
|
|
browser->stop();
|
|
}
|
|
|
|
void WebBrowserComponent::goBack()
|
|
{
|
|
lastURL.clear();
|
|
blankPageShown = false;
|
|
browser->goBack();
|
|
}
|
|
|
|
void WebBrowserComponent::goForward()
|
|
{
|
|
lastURL.clear();
|
|
browser->goForward();
|
|
}
|
|
|
|
void WebBrowserComponent::refresh()
|
|
{
|
|
browser->refresh();
|
|
}
|
|
|
|
//==============================================================================
|
|
void WebBrowserComponent::paint (Graphics&)
|
|
{
|
|
}
|
|
|
|
void WebBrowserComponent::checkWindowAssociation()
|
|
{
|
|
if (isShowing())
|
|
{
|
|
reloadLastURL();
|
|
|
|
if (blankPageShown)
|
|
goBack();
|
|
}
|
|
else
|
|
{
|
|
if (unloadPageWhenBrowserIsHidden && ! blankPageShown)
|
|
{
|
|
// when the component becomes invisible, some stuff like flash
|
|
// carries on playing audio, so we need to force it onto a blank
|
|
// page to avoid this, (and send it back when it's made visible again).
|
|
|
|
blankPageShown = true;
|
|
browser->goToURL ("about:blank", nullptr, nullptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
void WebBrowserComponent::reloadLastURL()
|
|
{
|
|
if (lastURL.isNotEmpty())
|
|
{
|
|
goToURL (lastURL, &lastHeaders, &lastPostData);
|
|
lastURL.clear();
|
|
}
|
|
}
|
|
|
|
void WebBrowserComponent::parentHierarchyChanged()
|
|
{
|
|
checkWindowAssociation();
|
|
}
|
|
|
|
void WebBrowserComponent::resized()
|
|
{
|
|
browser->setSize (getWidth(), getHeight());
|
|
}
|
|
|
|
void WebBrowserComponent::visibilityChanged()
|
|
{
|
|
checkWindowAssociation();
|
|
}
|
|
|
|
void WebBrowserComponent::focusGained (FocusChangeType)
|
|
{
|
|
}
|
|
|
|
void WebBrowserComponent::clearCookies()
|
|
{
|
|
NSHTTPCookieStorage* storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
|
|
|
|
if (NSArray* cookies = [storage cookies])
|
|
{
|
|
const NSUInteger n = [cookies count];
|
|
|
|
for (NSUInteger i = 0; i < n; ++i)
|
|
[storage deleteCookie: [cookies objectAtIndex: i]];
|
|
}
|
|
|
|
[[NSUserDefaults standardUserDefaults] synchronize];
|
|
}
|
|
|
|
} // namespace juce
|