mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-09 23:34:20 +00:00
1107 lines
47 KiB
Text
1107 lines
47 KiB
Text
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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static NSURL* appendParametersToFileURL (const URL& url, NSURL* fileUrl)
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{
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if (@available (macOS 10.10, *))
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{
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const auto parameterNames = url.getParameterNames();
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const auto parameterValues = url.getParameterValues();
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jassert (parameterNames.size() == parameterValues.size());
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if (parameterNames.isEmpty())
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return fileUrl;
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NSUniquePtr<NSURLComponents> components ([[NSURLComponents alloc] initWithURL: fileUrl resolvingAgainstBaseURL: NO]);
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NSUniquePtr<NSMutableArray> queryItems ([[NSMutableArray alloc] init]);
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for (int i = 0; i < parameterNames.size(); ++i)
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[queryItems.get() addObject: [NSURLQueryItem queryItemWithName: juceStringToNS (parameterNames[i])
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value: juceStringToNS (parameterValues[i])]];
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[components.get() setQueryItems: queryItems.get()];
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return [components.get() URL];
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}
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const auto queryString = url.getQueryString();
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if (queryString.isNotEmpty())
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if (NSString* fileUrlString = [fileUrl absoluteString])
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return [NSURL URLWithString: [fileUrlString stringByAppendingString: juceStringToNS (queryString)]];
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return fileUrl;
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}
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static 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 (@available (macOS 10.9, *))
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{
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urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters: [NSCharacterSet URLQueryAllowedCharacterSet]];
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}
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else
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{
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
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urlString = [urlString stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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}
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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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static var fromObject (id object)
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{
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// An undefined var serialises to 'undefined' i.e. an expression not returning a value
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if (object == nil)
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return var::undefined();
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if ([object isKindOfClass:[NSNumber class]])
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{
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// The object returned by evaluateJavaScript is a __NSCFBoolean*, which is a private class
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// to the framework, but a handle to this class can be obtained through @YES. When cast to
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// an NSNumber this object would have the wrong type encoding, so [number objCType]; would
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// return 'c' instead of 'B', hence that approach wouldn't work.
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if ([object isKindOfClass: [@YES class]])
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return static_cast<NSNumber*> (object).boolValue == YES ? true : false;
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return static_cast<NSNumber*> (object).doubleValue;
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}
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if ([object isKindOfClass:[NSString class]])
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return nsStringToJuce (object);
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if ([object isKindOfClass:[NSArray class]])
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{
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Array<var> result;
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auto* array = static_cast<NSArray*> (object);
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for (id elem in array)
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result.add (fromObject (elem));
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return result;
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}
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if ([object isKindOfClass:[NSDictionary class]])
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{
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const auto* dict = static_cast<NSDictionary*> (object);
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DynamicObject::Ptr result (new DynamicObject());
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for (id key in dict)
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result->setProperty (nsStringToJuce (key), fromObject ([dict objectForKey:key]));
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return result.get();
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}
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if ([object isKindOfClass:[NSDate class]])
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{
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JUCE_AUTORELEASEPOOL
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{
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auto* date = static_cast<NSDate*> (object);
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auto* formatter = [[NSDateFormatter alloc] init];
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const auto javascriptDateFormatString = @"yyyy'-'MM'-'dd'T'HH':'mm':'ss.SSS'Z'";
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[formatter setDateFormat: javascriptDateFormatString];
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[formatter setTimeZone: [NSTimeZone timeZoneWithName: @"UTC"]];
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NSString* dateString = [formatter stringFromDate: date];
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return nsStringToJuce (dateString);
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}
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}
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// Returning a Void var, which serialises to 'null'
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if ([object isKindOfClass:[NSNull class]])
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return {};
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jassertfalse;
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return {};
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}
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using LastFocusChange = std::optional<Component::FocusChangeDirection>;
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static const char* lastFocusChangeMemberName = "lastFocusChangeHandle";
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[[maybe_unused]] static void setLastFocusChangeHandle (id instance, LastFocusChange* object)
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{
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object_setInstanceVariable (instance, lastFocusChangeMemberName, object);
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}
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[[maybe_unused]] static LastFocusChange* getLastFocusChangeHandle (id instance)
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{
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return getIvar<LastFocusChange*> (instance, lastFocusChangeMemberName);
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}
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#if JUCE_MAC
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template <class WebViewClass>
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struct WebViewKeyEquivalentResponder final : public ObjCClass<WebViewClass>
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{
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using Base = ObjCClass<WebViewClass>;
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WebViewKeyEquivalentResponder()
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: Base ("WebViewKeyEquivalentResponder_")
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{
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this->template addIvar<LastFocusChange*> (lastFocusChangeMemberName);
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this->addMethod (@selector (performKeyEquivalent:),
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[] (id self, SEL selector, NSEvent* event)
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{
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const auto isCommandDown = [event]
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{
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const auto modifierFlags = [event modifierFlags];
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if (@available (macOS 10.12, *))
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return (modifierFlags & NSEventModifierFlagDeviceIndependentFlagsMask) == NSEventModifierFlagCommand;
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
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return (modifierFlags & NSDeviceIndependentModifierFlagsMask) == NSCommandKeyMask;
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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}();
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if (isCommandDown)
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{
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auto sendAction = [&] (SEL actionSelector) -> BOOL
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{
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return [NSApp sendAction:actionSelector
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to:[[self window] firstResponder]
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from:self];
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};
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if ([[event charactersIgnoringModifiers] isEqualToString:@"x"])
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return sendAction (@selector (cut:));
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if ([[event charactersIgnoringModifiers] isEqualToString:@"c"])
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return sendAction (@selector (copy:));
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if ([[event charactersIgnoringModifiers] isEqualToString:@"v"])
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return sendAction (@selector (paste:));
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if ([[event charactersIgnoringModifiers] isEqualToString:@"a"])
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return sendAction (@selector (selectAll:));
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}
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return Base::template sendSuperclassMessage<BOOL> (self, selector, event);
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});
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this->addMethod (@selector (resignFirstResponder),
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[] (id self, SEL selector)
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{
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const auto result = Base::template sendSuperclassMessage<BOOL> (self, selector);
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auto* focusChangeTypeHandle = getLastFocusChangeHandle (self);
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jassert (focusChangeTypeHandle != nullptr); // Forgot to call setLastFocusChangeHandle?
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focusChangeTypeHandle->emplace (Component::FocusChangeDirection::unknown);
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auto* currentEvent = [NSApp currentEvent];
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if (currentEvent == nullptr)
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return result;
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const auto eventType = [currentEvent type];
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if ( eventType != NSEventTypeKeyUp
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&& eventType != NSEventTypeKeyDown
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&& eventType != NSEventTypeFlagsChanged)
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{
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return result;
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}
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// Device independent key numbers should be compared with Carbon
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// constants, but we define the one we need here to avoid importing
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// Carbon.h
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static constexpr unsigned short carbonTabKeycode = 0x30;
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if ([currentEvent keyCode] != carbonTabKeycode)
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return result;
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const auto shiftKeyDown = ([currentEvent modifierFlags] & NSEventModifierFlagShift) != 0;
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focusChangeTypeHandle->emplace (shiftKeyDown ? Component::FocusChangeDirection::backward
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: Component::FocusChangeDirection::forward);
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return result;
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});
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this->registerClass();
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}
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};
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
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struct DownloadClickDetectorClass final : public ObjCClass<NSObject>
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{
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DownloadClickDetectorClass() : ObjCClass ("JUCEWebClickDetector_")
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{
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addIvar<WebBrowserComponent*> ("owner");
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addMethod (@selector (webView:didFailLoadWithError:forFrame:), didFailLoadWithError);
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addMethod (@selector (webView:didFailProvisionalLoadWithError:forFrame:), didFailLoadWithError);
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addMethod (@selector (webView:decidePolicyForNavigationAction:request:frame:decisionListener:),
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[] (id self, SEL, WebView*, NSDictionary* actionInformation, 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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addMethod (@selector (webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:),
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[] (id self, SEL, WebView*, NSDictionary* actionInformation, 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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addMethod (@selector (webView:didFinishLoadForFrame:),
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[] (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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addMethod (@selector (webView:willCloseFrame:),
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[] (id self, SEL, WebView*, WebFrame*)
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{
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getOwner (self)->windowCloseRequest();
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});
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addMethod (@selector (webView:runOpenPanelForFileButtonWithResultListener:allowMultipleFiles:),
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[] (id, SEL, WebView*, id<WebOpenPanelResultListener> resultListener, BOOL allowMultipleFiles)
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{
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struct DeletedFileChooserWrapper final : private DeletedAtShutdown
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{
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DeletedFileChooserWrapper (std::unique_ptr<FileChooser> fc, id<WebOpenPanelResultListener> rl)
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: chooser (std::move (fc)), listener (rl)
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{
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[listener.get() retain];
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}
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std::unique_ptr<FileChooser> chooser;
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ObjCObjectHandle<id<WebOpenPanelResultListener>> listener;
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};
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auto chooser = std::make_unique<FileChooser> (TRANS ("Select the file you want to upload..."),
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File::getSpecialLocation (File::userHomeDirectory),
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"*");
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auto* wrapper = new DeletedFileChooserWrapper (std::move (chooser), resultListener);
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auto flags = FileBrowserComponent::openMode | FileBrowserComponent::canSelectFiles
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| (allowMultipleFiles ? FileBrowserComponent::canSelectMultipleItems : 0);
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wrapper->chooser->launchAsync (flags, [wrapper] (const FileChooser&)
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{
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for (auto& f : wrapper->chooser->getResults())
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[wrapper->listener.get() chooseFilename: juceStringToNS (f.getFullPathName())];
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delete wrapper;
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});
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});
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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 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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};
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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#endif
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// Connects the delegate to the rest of the implementation without making WebViewDelegateClass
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// a nested class as well.
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class DelegateConnector
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{
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public:
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DelegateConnector (WebBrowserComponent& browserIn,
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std::function<void (const var&)> handleNativeEventFnIn,
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std::function<std::optional<WebBrowserComponent::Resource> (const String&)> handleResourceRequestFnIn,
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const WebBrowserComponent::Options& optionsIn)
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: browser (browserIn),
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handleNativeEventFn (std::move (handleNativeEventFnIn)),
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handleResourceRequestFn (std::move (handleResourceRequestFnIn)),
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options (optionsIn)
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{
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}
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auto& getBrowser() { return browser; }
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void handleNativeEvent (const var& message)
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{
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handleNativeEventFn (message);
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}
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auto handleResourceRequest (const String& url)
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{
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return handleResourceRequestFn (url);
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}
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[[nodiscard]] const auto& getOptions() const
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{
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return options;
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}
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private:
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WebBrowserComponent& browser;
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std::function<void (const var&)> handleNativeEventFn;
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std::function<std::optional<WebBrowserComponent::Resource> (const String&)> handleResourceRequestFn;
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WebBrowserComponent::Options options;
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};
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struct API_AVAILABLE (macos (10.10)) WebViewDelegateClass final : public ObjCClass<NSObject>
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{
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WebViewDelegateClass() : ObjCClass ("JUCEWebViewDelegate_")
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{
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addIvar<DelegateConnector*> ("connector");
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addMethod (@selector (webView:decidePolicyForNavigationAction:decisionHandler:),
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[] (id self, SEL, WKWebView*, WKNavigationAction* navigationAction, void (^decisionHandler) (WKNavigationActionPolicy))
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{
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if (getConnector (self)->getBrowser().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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addMethod (@selector (webView:didFinishNavigation:),
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[] (id self, SEL, WKWebView* webview, WKNavigation*)
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{
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getConnector (self)->getBrowser().pageFinishedLoading (nsStringToJuce ([[webview URL] absoluteString]));
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});
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addMethod (@selector (webView:didFailNavigation:withError:),
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[] (id self, SEL, WKWebView*, WKNavigation*, NSError* error)
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{
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displayError (&getConnector (self)->getBrowser(), error);
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});
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addMethod (@selector (webView:didFailProvisionalNavigation:withError:),
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[] (id self, SEL, WKWebView*, WKNavigation*, NSError* error)
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{
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displayError (&getConnector (self)->getBrowser(), error);
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});
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addMethod (@selector (webViewDidClose:),
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[] (id self, SEL, WKWebView*)
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{
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getConnector (self)->getBrowser().windowCloseRequest();
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});
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addMethod (@selector (webView:createWebViewWithConfiguration:forNavigationAction:windowFeatures:),
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[] (id self, SEL, WKWebView*, WKWebViewConfiguration*, WKNavigationAction* navigationAction, WKWindowFeatures*)
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{
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getConnector (self)->getBrowser().newWindowAttemptingToLoad (nsStringToJuce ([[[navigationAction request] URL] absoluteString]));
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return nil;
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});
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addMethod (@selector (userContentController:didReceiveScriptMessage:),
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[] (id self, SEL, id, id message)
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{
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const auto object = fromObject ([message body]);
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if (! object.isString())
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{
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jassertfalse;
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return;
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}
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getConnector (self)->handleNativeEvent (JSON::fromString (object.toString()));
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});
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addMethod (@selector (webView:startURLSchemeTask:),
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[] (id self, SEL, id, id urlSchemeTask)
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{
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const auto request = [urlSchemeTask request];
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auto* url = [&]
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{
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auto r = [request URL];
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return r == nil ? [NSURL URLWithString:@""] : (NSURL* _Nonnull) r;
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}();
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const auto path = nsStringToJuce ([url path]);
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const auto resource = getConnector (self)->handleResourceRequest (path);
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JUCE_AUTORELEASEPOOL
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{
|
|
const auto makeResponse = [&url] (auto responseCode, id headers=nil)
|
|
{
|
|
auto response = [[NSHTTPURLResponse alloc] initWithURL:url
|
|
statusCode:responseCode
|
|
HTTPVersion:@"HTTP/1.1"
|
|
headerFields:headers];
|
|
|
|
if (response == nil)
|
|
return [[NSHTTPURLResponse alloc] autorelease];
|
|
|
|
return (NSHTTPURLResponse* _Nonnull) [response autorelease];
|
|
};
|
|
|
|
if (resource.has_value())
|
|
{
|
|
NSMutableDictionary* headers = [@ {
|
|
@"Content-Length" : juceStringToNS (String { resource->data.size() }),
|
|
@"Content-Type" : juceStringToNS (resource->mimeType),
|
|
} mutableCopy];
|
|
|
|
if (auto allowedOrigin = getConnector (self)->getOptions().getAllowedOrigin())
|
|
{
|
|
[headers setObject:juceStringToNS (*allowedOrigin)
|
|
forKey:@"Access-Control-Allow-Origin"];
|
|
}
|
|
|
|
auto response = makeResponse (200, headers);
|
|
|
|
[urlSchemeTask didReceiveResponse:response];
|
|
[urlSchemeTask didReceiveData:[NSData dataWithBytes:resource->data.data()
|
|
length:resource->data.size()]];
|
|
}
|
|
else
|
|
{
|
|
[urlSchemeTask didReceiveResponse:makeResponse (404)];
|
|
}
|
|
|
|
[urlSchemeTask didFinish];
|
|
}
|
|
});
|
|
|
|
addMethod (@selector (webView:stopURLSchemeTask:),
|
|
[] (id, SEL, id, id)
|
|
{
|
|
});
|
|
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
|
|
if (@available (macOS 10.12, *))
|
|
{
|
|
addMethod (@selector (webView:runOpenPanelWithParameters:initiatedByFrame:completionHandler:),
|
|
[] (id, SEL, WKWebView*, WKOpenPanelParameters* parameters, WKFrameInfo*, void (^completionHandler)(NSArray<NSURL*>*))
|
|
{
|
|
using CompletionHandlerType = decltype (completionHandler);
|
|
|
|
class DeletedFileChooserWrapper final : private DeletedAtShutdown
|
|
{
|
|
public:
|
|
DeletedFileChooserWrapper (std::unique_ptr<FileChooser> fc, CompletionHandlerType h)
|
|
: chooser (std::move (fc)), handler (h)
|
|
{
|
|
[handler.get() retain];
|
|
}
|
|
|
|
~DeletedFileChooserWrapper()
|
|
{
|
|
callHandler (nullptr);
|
|
}
|
|
|
|
void callHandler (NSArray<NSURL*>* urls)
|
|
{
|
|
if (handlerCalled)
|
|
return;
|
|
|
|
handler.get() (urls);
|
|
handlerCalled = true;
|
|
}
|
|
|
|
std::unique_ptr<FileChooser> chooser;
|
|
|
|
private:
|
|
ObjCObjectHandle<CompletionHandlerType> handler;
|
|
bool handlerCalled = false;
|
|
};
|
|
|
|
auto chooser = std::make_unique<FileChooser> (TRANS ("Select the file you want to upload..."),
|
|
File::getSpecialLocation (File::userHomeDirectory), "*");
|
|
auto* wrapper = new DeletedFileChooserWrapper (std::move (chooser), completionHandler);
|
|
|
|
auto flags = FileBrowserComponent::openMode | FileBrowserComponent::canSelectFiles
|
|
| ([parameters allowsMultipleSelection] ? FileBrowserComponent::canSelectMultipleItems : 0);
|
|
|
|
#if JUCE_MAC
|
|
if (@available (macOS 10.14, *))
|
|
{
|
|
if ([parameters allowsDirectories])
|
|
flags |= FileBrowserComponent::canSelectDirectories;
|
|
}
|
|
#endif
|
|
|
|
wrapper->chooser->launchAsync (flags, [wrapper] (const FileChooser&)
|
|
{
|
|
auto results = wrapper->chooser->getResults();
|
|
auto urls = [NSMutableArray arrayWithCapacity: (NSUInteger) results.size()];
|
|
|
|
for (auto& f : results)
|
|
[urls addObject: [NSURL fileURLWithPath: juceStringToNS (f.getFullPathName())]];
|
|
|
|
wrapper->callHandler (urls);
|
|
delete wrapper;
|
|
});
|
|
});
|
|
}
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
registerClass();
|
|
}
|
|
|
|
static void setConnector (id self, DelegateConnector* connector)
|
|
{
|
|
object_setInstanceVariable (self, "connector", connector);
|
|
}
|
|
|
|
static DelegateConnector* getConnector (id self)
|
|
{
|
|
return getIvar<DelegateConnector*> (self, "connector");
|
|
}
|
|
|
|
private:
|
|
static void displayError (WebBrowserComponent* owner, NSError* error)
|
|
{
|
|
if ([error code] != NSURLErrorCancelled)
|
|
{
|
|
auto errorString = nsStringToJuce ([error localizedDescription]);
|
|
bool proceedToErrorPage = owner->pageLoadHadNetworkError (errorString);
|
|
|
|
// WKWebView doesn't have an internal error page, so make a really simple one ourselves
|
|
if (proceedToErrorPage)
|
|
owner->goToURL ("data:text/plain;charset=UTF-8," + errorString);
|
|
}
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
struct WebBrowserComponent::Impl::Platform
|
|
{
|
|
class WKWebViewImpl;
|
|
class WebViewImpl;
|
|
};
|
|
|
|
static constexpr const char* platformSpecificIntegrationScript = R"(
|
|
window.__JUCE__ = {
|
|
postMessage: function (object) {
|
|
window.webkit.messageHandlers.__JUCE__.postMessage(object);
|
|
},
|
|
};
|
|
)";
|
|
|
|
//==============================================================================
|
|
#if JUCE_MAC
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
|
|
class WebBrowserComponent::Impl::Platform::WebViewImpl : public WebBrowserComponent::Impl::PlatformInterface,
|
|
#if JUCE_MAC
|
|
public NSViewComponent
|
|
#else
|
|
public UIViewComponent
|
|
#endif
|
|
{
|
|
public:
|
|
WebViewImpl (WebBrowserComponent::Impl& implIn, const String& userAgent) : browser (implIn.owner)
|
|
{
|
|
static WebViewKeyEquivalentResponder<WebView> webviewClass;
|
|
|
|
webView.reset ([webviewClass.createInstance() initWithFrame: NSMakeRect (0, 0, 100.0f, 100.0f)
|
|
frameName: nsEmptyString()
|
|
groupName: nsEmptyString()]);
|
|
|
|
setLastFocusChangeHandle (webView.get(), &lastFocusChange);
|
|
|
|
webView.get().customUserAgent = juceStringToNS (userAgent);
|
|
|
|
static DownloadClickDetectorClass cls;
|
|
clickListener.reset ([cls.createInstance() init]);
|
|
DownloadClickDetectorClass::setOwner (clickListener.get(), &browser);
|
|
|
|
[webView.get() setPolicyDelegate: clickListener.get()];
|
|
[webView.get() setFrameLoadDelegate: clickListener.get()];
|
|
[webView.get() setUIDelegate: clickListener.get()];
|
|
|
|
setView (webView.get());
|
|
browser.addAndMakeVisible (this);
|
|
}
|
|
|
|
~WebViewImpl() override
|
|
{
|
|
setView (nil);
|
|
|
|
[webView.get() setPolicyDelegate: nil];
|
|
[webView.get() setFrameLoadDelegate: nil];
|
|
[webView.get() setUIDelegate: nil];
|
|
}
|
|
|
|
void setWebViewSize (int width, int height) override
|
|
{
|
|
setSize (width, height);
|
|
}
|
|
|
|
void checkWindowAssociation() override
|
|
{
|
|
if (browser.isShowing())
|
|
{
|
|
browser.reloadLastURL();
|
|
|
|
if (browser.blankPageShown)
|
|
browser.goBack();
|
|
}
|
|
else
|
|
{
|
|
if (browser.unloadPageWhenHidden && ! browser.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).
|
|
|
|
browser.blankPageShown = true;
|
|
goToURL ("about:blank", nullptr, nullptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
void goToURL (const String& url,
|
|
const StringArray* headers,
|
|
const MemoryBlock* postData) override
|
|
{
|
|
if (url.trimStart().startsWithIgnoreCase ("javascript:"))
|
|
{
|
|
[webView.get() stringByEvaluatingJavaScriptFromString: juceStringToNS (url.fromFirstOccurrenceOf (":", false, false))];
|
|
return;
|
|
}
|
|
|
|
stop();
|
|
|
|
auto getRequest = [&]() -> NSMutableURLRequest*
|
|
{
|
|
if (url.trimStart().startsWithIgnoreCase ("file:"))
|
|
{
|
|
auto file = URL (url).getLocalFile();
|
|
|
|
if (NSURL* nsUrl = [NSURL fileURLWithPath: juceStringToNS (file.getFullPathName())])
|
|
return [NSMutableURLRequest requestWithURL: appendParametersToFileURL (url, nsUrl)
|
|
cachePolicy: NSURLRequestUseProtocolCachePolicy
|
|
timeoutInterval: 30.0];
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
return getRequestForURL (url, headers, postData);
|
|
};
|
|
|
|
if (NSMutableURLRequest* request = getRequest())
|
|
[[webView.get() mainFrame] loadRequest: request];
|
|
}
|
|
|
|
void goBack() override { [webView.get() goBack]; }
|
|
void goForward() override { [webView.get() goForward]; }
|
|
|
|
void stop() override { [webView.get() stopLoading: nil]; }
|
|
void refresh() override { [webView.get() reload: nil]; }
|
|
|
|
void mouseMove (const MouseEvent&) override
|
|
{
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
|
|
// 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.get() respondsToSelector: @selector (_updateMouseoverWithFakeEvent)])
|
|
[webView.get() performSelector: @selector (_updateMouseoverWithFakeEvent)];
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
}
|
|
|
|
void evaluateJavascript (const String&, WebBrowserComponent::EvaluationCallback) override
|
|
{
|
|
// This feature is only available on MacOS 10.11 and above
|
|
jassertfalse;
|
|
}
|
|
|
|
private:
|
|
WebBrowserComponent& browser;
|
|
LastFocusChange lastFocusChange;
|
|
ObjCObjectHandle<WebView*> webView;
|
|
ObjCObjectHandle<id> clickListener;
|
|
};
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
#endif
|
|
|
|
class API_AVAILABLE (macos (10.11)) WebBrowserComponent::Impl::Platform::WKWebViewImpl : public WebBrowserComponent::Impl::PlatformInterface,
|
|
#if JUCE_MAC
|
|
public NSViewComponent
|
|
#else
|
|
public UIViewComponent
|
|
#endif
|
|
{
|
|
public:
|
|
WKWebViewImpl (WebBrowserComponent::Impl& implIn,
|
|
const WebBrowserComponent::Options& browserOptions,
|
|
const StringArray& userScripts)
|
|
: owner (implIn),
|
|
delegateConnector (implIn.owner,
|
|
[this] (const auto& m) { owner.handleNativeEvent (m); },
|
|
[this] (const auto& r) { return owner.handleResourceRequest (r); },
|
|
browserOptions)
|
|
{
|
|
ObjCObjectHandle<WKWebViewConfiguration*> config { [WKWebViewConfiguration new] };
|
|
id preferences = [config.get() preferences];
|
|
|
|
[preferences setValue:@(true) forKey:@"fullScreenEnabled"];
|
|
[preferences setValue:@(true) forKey:@"DOMPasteAllowed"];
|
|
[preferences setValue:@(true) forKey:@"javaScriptCanAccessClipboard"];
|
|
|
|
static WebViewDelegateClass cls;
|
|
webViewDelegate.reset ([cls.createInstance() init]);
|
|
WebViewDelegateClass::setConnector (webViewDelegate.get(), &delegateConnector);
|
|
|
|
if (browserOptions.getNativeIntegrationsEnabled())
|
|
{
|
|
[[config.get() userContentController] addScriptMessageHandler:webViewDelegate.get()
|
|
name:@"__JUCE__"];
|
|
}
|
|
|
|
// It isn't necessary to concatenate all scripts and add them as one. They will still work
|
|
// when added separately. But in the latter case sometimes only the first one is visible in
|
|
// the WebView developer console, so concatenating them helps with debugging.
|
|
auto allUserScripts = userScripts;
|
|
allUserScripts.insert (0, platformSpecificIntegrationScript);
|
|
|
|
NSUniquePtr<WKUserScript> script { [[WKUserScript alloc]
|
|
initWithSource:juceStringToNS (allUserScripts.joinIntoString ("\n"))
|
|
injectionTime:WKUserScriptInjectionTimeAtDocumentStart
|
|
forMainFrameOnly:YES] };
|
|
|
|
[[config.get() userContentController] addUserScript:script.get()];
|
|
|
|
if (@available (macOS 10.13, iOS 11.0, *))
|
|
{
|
|
if (browserOptions.getResourceProvider() != nullptr)
|
|
[config.get() setURLSchemeHandler:webViewDelegate.get() forURLScheme:@"juce"];
|
|
}
|
|
|
|
#if JUCE_DEBUG
|
|
[preferences setValue: @(true) forKey: @"developerExtrasEnabled"];
|
|
#endif
|
|
|
|
#if JUCE_MAC
|
|
static WebViewKeyEquivalentResponder<WKWebView> webviewClass;
|
|
|
|
webView.reset ([webviewClass.createInstance() initWithFrame: NSMakeRect (0, 0, 100.0f, 100.0f)
|
|
configuration: config.get()]);
|
|
|
|
setLastFocusChangeHandle (webView.get(), &lastFocusChange);
|
|
#else
|
|
webView.reset ([[WKWebView alloc] initWithFrame: CGRectMake (0, 0, 100.0f, 100.0f)
|
|
configuration: config.get()]);
|
|
#endif
|
|
|
|
if (const auto userAgent = browserOptions.getUserAgent(); userAgent.isNotEmpty())
|
|
webView.get().customUserAgent = juceStringToNS (userAgent);
|
|
|
|
[webView.get() setNavigationDelegate: webViewDelegate.get()];
|
|
[webView.get() setUIDelegate: webViewDelegate.get()];
|
|
|
|
setView (webView.get());
|
|
owner.owner.addAndMakeVisible (this);
|
|
}
|
|
|
|
~WKWebViewImpl() override
|
|
{
|
|
setView (nil);
|
|
[webView.get() setNavigationDelegate: nil];
|
|
[webView.get() setUIDelegate: nil];
|
|
}
|
|
|
|
void setWebViewSize (int width, int height) override
|
|
{
|
|
setSize (width, height);
|
|
}
|
|
|
|
void checkWindowAssociation() override
|
|
{
|
|
auto& browser = owner.owner;
|
|
|
|
if (browser.isShowing())
|
|
{
|
|
browser.reloadLastURL();
|
|
|
|
if (browser.blankPageShown)
|
|
browser.goBack();
|
|
}
|
|
else
|
|
{
|
|
if (browser.unloadPageWhenHidden && ! browser.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).
|
|
|
|
browser.blankPageShown = true;
|
|
goToURL ("about:blank", nullptr, nullptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
void focusGainedWithDirection (FocusChangeType, FocusChangeDirection) override
|
|
{
|
|
const auto webViewFocusLossDirection = std::exchange (lastFocusChange, std::nullopt);
|
|
|
|
// We didn't receive the focus from the WebView, so we need to pass it onto it
|
|
if (! webViewFocusLossDirection.has_value())
|
|
{
|
|
#if JUCE_MAC
|
|
[[webView.get() window] makeFirstResponder: webView.get()];
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
auto* comp = [&]() -> Component*
|
|
{
|
|
auto* c = owner.owner.getParentComponent();
|
|
|
|
if (c == nullptr)
|
|
return nullptr;
|
|
|
|
const auto traverser = c->createFocusTraverser();
|
|
|
|
if (*webViewFocusLossDirection == FocusChangeDirection::forward)
|
|
{
|
|
if (auto* next = traverser->getNextComponent (this); next != nullptr)
|
|
return next;
|
|
|
|
return traverser->getDefaultComponent (c);
|
|
}
|
|
|
|
if (*webViewFocusLossDirection == FocusChangeDirection::backward)
|
|
{
|
|
if (auto* previous = traverser->getPreviousComponent (&owner.owner); previous != nullptr)
|
|
return previous;
|
|
|
|
if (auto all = traverser->getAllComponents (c); ! all.empty())
|
|
return all.back();
|
|
}
|
|
|
|
return nullptr;
|
|
}();
|
|
|
|
if (comp != nullptr)
|
|
comp->getAccessibilityHandler()->grabFocus();
|
|
else
|
|
giveAwayKeyboardFocus();
|
|
}
|
|
|
|
void goToURL (const String& url,
|
|
const StringArray* headers,
|
|
const MemoryBlock* postData) override
|
|
{
|
|
auto trimmed = url.trimStart();
|
|
|
|
if (trimmed.startsWithIgnoreCase ("javascript:"))
|
|
{
|
|
[webView.get() evaluateJavaScript: juceStringToNS (url.fromFirstOccurrenceOf (":", false, false))
|
|
completionHandler: nil];
|
|
|
|
return;
|
|
}
|
|
|
|
stop();
|
|
|
|
if (trimmed.startsWithIgnoreCase ("file:"))
|
|
{
|
|
auto file = URL (url).getLocalFile();
|
|
|
|
if (NSURL* nsUrl = [NSURL fileURLWithPath: juceStringToNS (file.getFullPathName())])
|
|
[webView.get() loadFileURL: appendParametersToFileURL (url, nsUrl) allowingReadAccessToURL: nsUrl];
|
|
}
|
|
else if (NSMutableURLRequest* request = getRequestForURL (url, headers, postData))
|
|
{
|
|
[webView.get() loadRequest: request];
|
|
}
|
|
}
|
|
|
|
void goBack() override { [webView.get() goBack]; }
|
|
void goForward() override { [webView.get() goForward]; }
|
|
|
|
void stop() override { [webView.get() stopLoading]; }
|
|
void refresh() override { [webView.get() reload]; }
|
|
|
|
void evaluateJavascript (const String& script, WebBrowserComponent::EvaluationCallback callback) override
|
|
{
|
|
[webView.get() evaluateJavaScript: juceStringToNS (script)
|
|
completionHandler: ^(id obj, NSError* error)
|
|
{
|
|
if (callback == nullptr)
|
|
return;
|
|
|
|
if (error != nil)
|
|
{
|
|
const auto resultError = [&]() -> WebBrowserComponent::EvaluationResult::Error
|
|
{
|
|
const auto errorCode = [error code];
|
|
|
|
if (errorCode == 4)
|
|
{
|
|
String errorMsgTemplate { "JAVASCRIPT_ERROR at (EVALUATION_SOURCE:LINE_NUMBER:COLUMN_NUMBER)" };
|
|
|
|
if (id m = [error.userInfo objectForKey:@"WKJavaScriptExceptionMessage"]; m != nil)
|
|
errorMsgTemplate = errorMsgTemplate.replace ("JAVASCRIPT_ERROR", nsStringToJuce (m));
|
|
|
|
if (id m = [error.userInfo objectForKey:@"WKJavaScriptExceptionSourceURL"]; m != nil)
|
|
errorMsgTemplate = errorMsgTemplate.replace ("EVALUATION_SOURCE", nsStringToJuce ([m absoluteString]));
|
|
|
|
if (id m = [error.userInfo objectForKey:@"WKJavaScriptExceptionLineNumber"]; m != nil)
|
|
errorMsgTemplate = errorMsgTemplate.replace ("LINE_NUMBER", String { [m intValue] });
|
|
|
|
if (id m = [error.userInfo objectForKey:@"WKJavaScriptExceptionColumnNumber"]; m != nil)
|
|
errorMsgTemplate = errorMsgTemplate.replace ("COLUMN_NUMBER", String { [m intValue] });
|
|
|
|
return { WebBrowserComponent::EvaluationResult::Error::Type::javascriptException,
|
|
errorMsgTemplate };
|
|
}
|
|
else if (errorCode == 5)
|
|
{
|
|
String errorMessage;
|
|
|
|
if (id m = [[error userInfo] objectForKey:@"NSLocalizedDescription"]; m != nil)
|
|
errorMessage = nsStringToJuce (m);
|
|
|
|
return { WebBrowserComponent::EvaluationResult::Error::Type::unsupportedReturnType,
|
|
errorMessage };
|
|
}
|
|
|
|
return { WebBrowserComponent::EvaluationResult::Error::Type::unknown, "Unknown error" };
|
|
}();
|
|
|
|
callback (EvaluationResult { resultError });
|
|
}
|
|
else
|
|
{
|
|
callback (EvaluationResult { fromObject (obj) });
|
|
}
|
|
}];
|
|
}
|
|
|
|
private:
|
|
WebBrowserComponent::Impl& owner;
|
|
DelegateConnector delegateConnector;
|
|
LastFocusChange lastFocusChange;
|
|
ObjCObjectHandle<WKWebView*> webView;
|
|
ObjCObjectHandle<id> webViewDelegate;
|
|
};
|
|
|
|
//==============================================================================
|
|
auto WebBrowserComponent::Impl::createAndInitPlatformDependentPart (WebBrowserComponent::Impl& impl,
|
|
const WebBrowserComponent::Options& options,
|
|
const StringArray& userScripts)
|
|
-> std::unique_ptr<PlatformInterface>
|
|
{
|
|
if (@available (macOS 10.11, *))
|
|
return std::make_unique<Platform::WKWebViewImpl> (impl, options, userScripts);
|
|
|
|
#if JUCE_MAC
|
|
return std::make_unique<Platform::WebViewImpl> (impl, options.getUserAgent());
|
|
#endif
|
|
|
|
return {};
|
|
}
|
|
|
|
//==============================================================================
|
|
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];
|
|
}
|
|
|
|
//==============================================================================
|
|
bool WebBrowserComponent::areOptionsSupported (const Options& options)
|
|
{
|
|
return (options.getBackend() == Options::Backend::defaultBackend);
|
|
}
|
|
|
|
} // namespace juce
|