mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-16 00:34:19 +00:00
392 lines
14 KiB
Text
392 lines
14 KiB
Text
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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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 (__IPHONE_15_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_15_0)
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
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#define JUCE_DEPRECATION_IGNORED 1
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#endif
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class FileChooser::Native : public FileChooser::Pimpl,
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public Component,
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private AsyncUpdater
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{
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public:
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Native (FileChooser& fileChooser, int flags)
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: owner (fileChooser)
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{
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static FileChooserDelegateClass delegateClass;
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delegate.reset ([delegateClass.createInstance() init]);
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FileChooserDelegateClass::setOwner (delegate.get(), this);
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static FileChooserControllerClass controllerClass;
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auto* controllerClassInstance = controllerClass.createInstance();
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String firstFileExtension;
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auto utTypeArray = createNSArrayFromStringArray (getUTTypesForWildcards (owner.filters, firstFileExtension));
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if ((flags & FileBrowserComponent::saveMode) != 0)
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{
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auto currentFileOrDirectory = owner.startingFile;
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UIDocumentPickerMode pickerMode = currentFileOrDirectory.existsAsFile()
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? UIDocumentPickerModeExportToService
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: UIDocumentPickerModeMoveToService;
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if (! currentFileOrDirectory.existsAsFile())
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{
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auto filename = getFilename (currentFileOrDirectory, firstFileExtension);
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auto tmpDirectory = File::createTempFile ("JUCE-filepath");
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if (tmpDirectory.createDirectory().wasOk())
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{
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currentFileOrDirectory = tmpDirectory.getChildFile (filename);
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currentFileOrDirectory.replaceWithText ("");
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}
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else
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{
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// Temporary directory creation failed! You need to specify a
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// path you have write access to. Saving will not work for
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// current path.
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jassertfalse;
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}
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}
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auto url = [[NSURL alloc] initFileURLWithPath: juceStringToNS (currentFileOrDirectory.getFullPathName())];
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controller.reset ([controllerClassInstance initWithURL: url
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inMode: pickerMode]);
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[url release];
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}
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else
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{
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controller.reset ([controllerClassInstance initWithDocumentTypes: utTypeArray
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inMode: UIDocumentPickerModeOpen]);
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}
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FileChooserControllerClass::setOwner (controller.get(), this);
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[controller.get() setDelegate: delegate.get()];
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[controller.get() setModalTransitionStyle: UIModalTransitionStyleCrossDissolve];
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setOpaque (false);
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if (fileChooser.parent != nullptr)
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{
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[controller.get() setModalPresentationStyle: UIModalPresentationFullScreen];
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auto chooserBounds = fileChooser.parent->getBounds();
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setBounds (chooserBounds);
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setAlwaysOnTop (true);
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fileChooser.parent->addAndMakeVisible (this);
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}
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else
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{
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if (SystemStats::isRunningInAppExtensionSandbox())
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{
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// Opening a native top-level window in an AUv3 is not allowed (sandboxing). You need to specify a
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// parent component (for example your editor) to parent the native file chooser window. To do this
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// specify a parent component in the FileChooser's constructor!
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jassertfalse;
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return;
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}
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auto chooserBounds = Desktop::getInstance().getDisplays().getPrimaryDisplay()->userArea;
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setBounds (chooserBounds);
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setAlwaysOnTop (true);
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setVisible (true);
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addToDesktop (0);
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}
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}
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~Native() override
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{
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exitModalState (0);
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}
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void launch() override
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{
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enterModalState (true, nullptr, true);
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}
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void runModally() override
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{
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#if JUCE_MODAL_LOOPS_PERMITTED
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runModalLoop();
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#endif
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}
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void parentHierarchyChanged() override
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{
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auto* newPeer = dynamic_cast<UIViewComponentPeer*> (getPeer());
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if (peer != newPeer)
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{
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peer = newPeer;
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if (peer != nullptr)
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{
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if (auto* parentController = peer->controller)
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[parentController showViewController: controller.get() sender: parentController];
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peer->toFront (false);
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}
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}
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}
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private:
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//==============================================================================
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void handleAsyncUpdate() override
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{
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pickerWasCancelled();
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}
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//==============================================================================
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static StringArray getUTTypesForWildcards (const String& filterWildcards, String& firstExtension)
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{
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auto filters = StringArray::fromTokens (filterWildcards, ";", "");
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StringArray result;
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firstExtension = {};
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if (! filters.contains ("*") && filters.size() > 0)
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{
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for (auto filter : filters)
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{
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if (filter.isEmpty())
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continue;
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// iOS only supports file extension wild cards
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jassert (filter.upToLastOccurrenceOf (".", true, false) == "*.");
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auto fileExtension = filter.fromLastOccurrenceOf (".", false, false);
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auto fileExtensionCF = fileExtension.toCFString();
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if (firstExtension.isEmpty())
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firstExtension = fileExtension;
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auto tag = UTTypeCreatePreferredIdentifierForTag (kUTTagClassFilenameExtension, fileExtensionCF, nullptr);
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if (tag != nullptr)
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{
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result.add (String::fromCFString (tag));
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CFRelease (tag);
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}
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CFRelease (fileExtensionCF);
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}
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}
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else
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{
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result.add ("public.data");
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}
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return result;
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}
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static String getFilename (const File& path, const String& fallbackExtension)
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{
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auto filename = path.getFileNameWithoutExtension();
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auto extension = path.getFileExtension().substring (1);
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if (filename.isEmpty())
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filename = "Untitled";
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if (extension.isEmpty())
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extension = fallbackExtension;
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if (extension.isNotEmpty())
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filename += "." + extension;
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return filename;
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}
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//==============================================================================
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void didPickDocumentAtURL (NSURL* url)
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{
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cancelPendingUpdate();
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bool isWriting = controller.get().documentPickerMode == UIDocumentPickerModeExportToService
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| controller.get().documentPickerMode == UIDocumentPickerModeMoveToService;
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NSUInteger accessOptions = isWriting ? 0 : NSFileCoordinatorReadingWithoutChanges;
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auto* fileAccessIntent = isWriting
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? [NSFileAccessIntent writingIntentWithURL: url options: accessOptions]
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: [NSFileAccessIntent readingIntentWithURL: url options: accessOptions];
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NSArray<NSFileAccessIntent*>* intents = @[fileAccessIntent];
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auto fileCoordinator = [[[NSFileCoordinator alloc] initWithFilePresenter: nil] autorelease];
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[fileCoordinator coordinateAccessWithIntents: intents queue: [NSOperationQueue mainQueue] byAccessor: ^(NSError* err)
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{
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Array<URL> chooserResults;
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if (err == nil)
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{
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[url startAccessingSecurityScopedResource];
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NSError* error = nil;
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NSData* bookmark = [url bookmarkDataWithOptions: 0
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includingResourceValuesForKeys: nil
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relativeToURL: nil
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error: &error];
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[bookmark retain];
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[url stopAccessingSecurityScopedResource];
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URL juceUrl (nsStringToJuce ([url absoluteString]));
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if (error == nil)
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{
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setURLBookmark (juceUrl, (void*) bookmark);
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}
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else
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{
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auto desc = [error localizedDescription];
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ignoreUnused (desc);
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jassertfalse;
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}
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chooserResults.add (juceUrl);
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}
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else
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{
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auto desc = [err localizedDescription];
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ignoreUnused (desc);
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jassertfalse;
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}
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owner.finished (chooserResults);
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}];
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}
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void pickerWasCancelled()
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{
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cancelPendingUpdate();
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owner.finished ({});
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exitModalState (0);
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}
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//==============================================================================
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struct FileChooserDelegateClass : public ObjCClass<NSObject<UIDocumentPickerDelegate>>
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{
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FileChooserDelegateClass() : ObjCClass<NSObject<UIDocumentPickerDelegate>> ("FileChooserDelegate_")
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{
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addIvar<Native*> ("owner");
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addMethod (@selector (documentPicker:didPickDocumentAtURL:), didPickDocumentAtURL, "v@:@@");
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addMethod (@selector (documentPickerWasCancelled:), documentPickerWasCancelled, "v@:@");
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addProtocol (@protocol (UIDocumentPickerDelegate));
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registerClass();
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}
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static void setOwner (id self, Native* owner) { object_setInstanceVariable (self, "owner", owner); }
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static Native* getOwner (id self) { return getIvar<Native*> (self, "owner"); }
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//==============================================================================
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static void didPickDocumentAtURL (id self, SEL, UIDocumentPickerViewController*, NSURL* url)
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{
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if (auto* picker = getOwner (self))
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picker->didPickDocumentAtURL (url);
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}
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static void documentPickerWasCancelled (id self, SEL, UIDocumentPickerViewController*)
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{
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if (auto* picker = getOwner (self))
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picker->pickerWasCancelled();
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}
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};
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struct FileChooserControllerClass : public ObjCClass<UIDocumentPickerViewController>
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{
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FileChooserControllerClass() : ObjCClass<UIDocumentPickerViewController> ("FileChooserController_")
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{
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addIvar<Native*> ("owner");
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addMethod (@selector (viewDidDisappear:), viewDidDisappear, "v@:@c");
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registerClass();
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}
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static void setOwner (id self, Native* owner) { object_setInstanceVariable (self, "owner", owner); }
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static Native* getOwner (id self) { return getIvar<Native*> (self, "owner"); }
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//==============================================================================
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static void viewDidDisappear (id self, SEL, BOOL animated)
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{
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sendSuperclassMessage<void> (self, @selector (viewDidDisappear:), animated);
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if (auto* picker = getOwner (self))
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picker->triggerAsyncUpdate();
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}
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};
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//==============================================================================
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FileChooser& owner;
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std::unique_ptr<NSObject<UIDocumentPickerDelegate>, NSObjectDeleter> delegate;
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std::unique_ptr<UIDocumentPickerViewController, NSObjectDeleter> controller;
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UIViewComponentPeer* peer = nullptr;
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static FileChooserDelegateClass fileChooserDelegateClass;
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static FileChooserControllerClass fileChooserControllerClass;
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Native)
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};
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//==============================================================================
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bool FileChooser::isPlatformDialogAvailable()
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{
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#if JUCE_DISABLE_NATIVE_FILECHOOSERS
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return false;
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#else
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return true;
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#endif
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}
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FileChooser::Pimpl* FileChooser::showPlatformDialog (FileChooser& owner, int flags,
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FilePreviewComponent*)
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{
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return new FileChooser::Native (owner, flags);
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}
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#if JUCE_DEPRECATION_IGNORED
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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#endif
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#undef JUCE_DEPRECATION_IGNORED
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} // namespace juce
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