LanguageClient: only send contents of TextDocuments to the server

Change-Id: Ifdcd6ba161336814744c51f15e35a756960cb199
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/languageclient/client.cpp

@@ -280,7 +280,7 @@ Client::State Client::state() const
     return m_state;
 }
 
-bool Client::openDocument(Core::IDocument *document)
+bool Client::openDocument(TextEditor::TextDocument *document)
 {
     using namespace TextEditor;
     if (!isSupportedDocument(document))
@@ -305,39 +305,35 @@ bool Client::openDocument(Core::IDocument *document)
     }
     auto uri = DocumentUri::fromFileName(filePath);
     showDiagnostics(uri);
-    auto textDocument = qobject_cast<TextDocument *>(document);
-    TextDocumentItem item;
-    item.setLanguageId(TextDocumentItem::mimeTypeToLanguageId(document->mimeType()));
-    item.setUri(uri);
-    item.setText(QString::fromUtf8(document->contents()));
-    item.setVersion(textDocument ? textDocument->document()->revision() : 0);
 
-    if (textDocument) {
+    connect(document,
-        connect(textDocument,
             &TextDocument::contentsChangedWithPosition,
             this,
-                [this, textDocument](int position, int charsRemoved, int charsAdded) {
+            [this, document](int position, int charsRemoved, int charsAdded) {
-                    documentContentsChanged(textDocument, position, charsRemoved, charsAdded);
+                documentContentsChanged(document, position, charsRemoved, charsAdded);
             });
 
     auto *oldCompletionProvider = qobject_cast<DocumentContentCompletionProvider *>(
-            textDocument->completionAssistProvider());
+        document->completionAssistProvider());
     // only replace the completion assist provider if it is the default one or null
-        if (oldCompletionProvider || !textDocument->completionAssistProvider())
+    if (oldCompletionProvider || !document->completionAssistProvider())
-            textDocument->setCompletionAssistProvider(m_clientProviders.completionAssistProvider);
+        document->setCompletionAssistProvider(m_clientProviders.completionAssistProvider);
-        m_resetAssistProvider[textDocument] = {oldCompletionProvider,
+    m_resetAssistProvider[document] = {oldCompletionProvider,
-                                               textDocument->functionHintAssistProvider(),
+                                       document->functionHintAssistProvider(),
-                                               textDocument->quickFixAssistProvider()};
+                                       document->quickFixAssistProvider()};
-        textDocument->setFunctionHintAssistProvider(m_clientProviders.functionHintProvider);
+    document->setFunctionHintAssistProvider(m_clientProviders.functionHintProvider);
-        textDocument->setQuickFixAssistProvider(m_clientProviders.quickFixAssistProvider);
+    document->setQuickFixAssistProvider(m_clientProviders.quickFixAssistProvider);
-        connect(textDocument, &QObject::destroyed, this, [this, textDocument]{
+    connect(document, &QObject::destroyed, this, [this, document] {
-            m_resetAssistProvider.remove(textDocument);
+        m_resetAssistProvider.remove(document);
     });
-        m_openedDocument.insert(document->filePath(), textDocument->plainText());
+    const QString &text = document->plainText();
-    } else {
+    m_openedDocument.insert(document->filePath(), text);
-        m_openedDocument.insert(document->filePath(), QString());
-    }
 
+    TextDocumentItem item;
+    item.setLanguageId(TextDocumentItem::mimeTypeToLanguageId(document->mimeType()));
+    item.setUri(uri);
+    item.setText(text);
+    item.setVersion(document->document()->revision());
     sendContent(DidOpenTextDocumentNotification(DidOpenTextDocumentParams(item)));
 
     return true;
@@ -367,15 +363,14 @@ void Client::cancelRequest(const MessageId &id)
     sendContent(CancelRequest(CancelParameter(id)));
 }
 
-void Client::closeDocument(Core::IDocument *document)
+void Client::closeDocument(TextEditor::TextDocument *document)
 {
     m_openedDocument.remove(document->filePath());
     const DocumentUri &uri = DocumentUri::fromFileName(document->filePath());
     const DidCloseTextDocumentParams params(TextDocumentIdentifier{uri});
     m_highlights[uri].clear();
     sendContent(uri, DidCloseTextDocumentNotification(params));
-    if (auto textDocument = qobject_cast<TextEditor::TextDocument *>(document))
+    resetAssistProviders(document);
-        resetAssistProviders(textDocument);
 }
 
 bool Client::documentOpen(const Core::IDocument *document) const
@@ -383,7 +378,7 @@ bool Client::documentOpen(const Core::IDocument *document) const
     return m_openedDocument.contains(document->filePath());
 }
 
-void Client::documentContentsSaved(Core::IDocument *document)
+void Client::documentContentsSaved(TextEditor::TextDocument *document)
 {
     if (!m_openedDocument.contains(document->filePath()))
         return;
@@ -413,7 +408,7 @@ void Client::documentContentsSaved(Core::IDocument *document)
     DidSaveTextDocumentParams params(
                 TextDocumentIdentifier(DocumentUri::fromFileName(document->filePath())));
     if (includeText)
-        params.setText(QString::fromUtf8(document->contents()));
+        params.setText(document->plainText());
     sendContent(DidSaveTextDocumentNotification(params));
 }
 
@@ -744,7 +739,7 @@ void Client::setSupportedLanguage(const LanguageFilter &filter)
     m_languagFilter = filter;
 }
 
-bool Client::isSupportedDocument(const Core::IDocument *document) const
+bool Client::isSupportedDocument(const TextEditor::TextDocument *document) const
 {
     QTC_ASSERT(document, return false);
     return m_languagFilter.isSupported(document);
@@ -836,13 +831,11 @@ void Client::showDiagnostics(Core::IDocument *doc)
     showDiagnostics(DocumentUri::fromFileName(doc->filePath()));
 }
 
-void Client::hideDiagnostics(Core::IDocument *doc)
+void Client::hideDiagnostics(TextEditor::TextDocument *doc)
 {
-    if (auto *textDocument = qobject_cast<TextEditor::TextDocument *>(doc)) {
     DocumentUri uri = DocumentUri::fromFileName(doc->filePath());
     for (TextMark *mark : m_diagnostics.value(uri))
-                textDocument->removeMark(mark);
+        doc->removeMark(mark);
-    }
 }
 
 const ServerCapabilities &Client::capabilities() const

src/plugins/languageclient/client.h

@@ -95,10 +95,10 @@ public:
     bool reachable() const { return m_state == Initialized; }
 
     // document synchronization
-    bool openDocument(Core::IDocument *document);
+    bool openDocument(TextEditor::TextDocument *document);
-    void closeDocument(Core::IDocument *document);
+    void closeDocument(TextEditor::TextDocument *document);
     bool documentOpen(const Core::IDocument *document) const;
-    void documentContentsSaved(Core::IDocument *document);
+    void documentContentsSaved(TextEditor::TextDocument *document);
     void documentWillSave(Core::IDocument *document);
     void documentContentsChanged(TextEditor::TextDocument *document,
                                  int position,
@@ -129,7 +129,7 @@ public:
     void cancelRequest(const LanguageServerProtocol::MessageId &id);
 
     void setSupportedLanguage(const LanguageFilter &filter);
-    bool isSupportedDocument(const Core::IDocument *document) const;
+    bool isSupportedDocument(const TextEditor::TextDocument *document) const;
     bool isSupportedFile(const Utils::FilePath &filePath, const QString &mimeType) const;
     bool isSupportedUri(const LanguageServerProtocol::DocumentUri &uri) const;
 
@@ -155,7 +155,7 @@ public:
     { log(responseError.toString(), flag); }
 
     void showDiagnostics(Core::IDocument *doc);
-    void hideDiagnostics(Core::IDocument *doc);
+    void hideDiagnostics(TextEditor::TextDocument *doc);
 
     const LanguageServerProtocol::ServerCapabilities &capabilities() const;
     const DynamicCapabilities &dynamicCapabilities() const;

src/plugins/languageclient/languageclientmanager.cpp

@@ -201,7 +201,7 @@ LanguageClientManager *LanguageClientManager::instance()
     return managerInstance;
 }
 
-QList<Client *> LanguageClientManager::clientsSupportingDocument(const Core::IDocument *doc)
+QList<Client *> LanguageClientManager::clientsSupportingDocument(const TextEditor::TextDocument *doc)
 {
     QTC_ASSERT(managerInstance, return {});
     QTC_ASSERT(doc, return {};);
@@ -222,7 +222,7 @@ void LanguageClientManager::applySettings()
                                                            &BaseSettings::needsRestart);
 
     for (BaseSettings *setting : restarts) {
-        QList<Core::IDocument *> documents;
+        QList<TextEditor::TextDocument *> documents;
         for (Client *client : clientForSetting(setting)) {
             documents << managerInstance->m_clientForDocument.keys(client);
             shutdownClient(client);
@@ -232,7 +232,7 @@ void LanguageClientManager::applySettings()
         switch (setting->m_startBehavior) {
         case BaseSettings::AlwaysOn: {
             Client *client = startClient(setting);
-            for (Core::IDocument *document : documents)
+            for (TextEditor::TextDocument *document : documents)
                 managerInstance->m_clientForDocument[document] = client;
             break;
         }
@@ -242,7 +242,7 @@ void LanguageClientManager::applySettings()
                                  return filter.isSupported(doc);
                              })) {
                 Client *client = startClient(setting);
-                for (Core::IDocument *document : documents)
+                for (TextEditor::TextDocument *document : documents)
                     managerInstance->m_clientForDocument[document] = client;
             }
             break;
@@ -295,13 +295,13 @@ const BaseSettings *LanguageClientManager::settingForClient(Client *client)
     return nullptr;
 }
 
-Client *LanguageClientManager::clientForDocument(Core::IDocument *document)
+Client *LanguageClientManager::clientForDocument(TextEditor::TextDocument *document)
 {
     QTC_ASSERT(managerInstance, return nullptr);
     return document == nullptr ? nullptr : managerInstance->m_clientForDocument[document].data();
 }
 
-bool LanguageClientManager::reOpenDocumentWithClient(Core::IDocument *document, Client *client)
+bool LanguageClientManager::reOpenDocumentWithClient(TextEditor::TextDocument *document, Client *client)
 {
     Utils::ExecuteOnDestruction outlineUpdater(&TextEditor::IOutlineWidgetFactory::updateOutline);
     if (Client *currentClient = clientForDocument(document)) {
@@ -358,7 +358,7 @@ void LanguageClientManager::clientFinished(Client *client)
     } else {
         if (unexpectedFinish && !m_shuttingDown)
             client->log(tr("Unexpectedly finished."), Core::MessageManager::Flash);
-        for (Core::IDocument *document : m_clientForDocument.keys(client))
+        for (TextEditor::TextDocument *document : m_clientForDocument.keys(client))
             m_clientForDocument.remove(document);
         deleteClient(client);
         if (m_shuttingDown && m_clients.isEmpty())
@@ -394,7 +394,7 @@ void LanguageClientManager::editorOpened(Core::IEditor *editor)
                         });
                     });
             updateEditorToolBar(editor);
-            if (Core::IDocument *document = editor->document()) {
+            if (TextEditor::TextDocument *document = textEditor->textDocument()) {
                 if (Client *client = m_clientForDocument[document])
                     widget->addHoverHandler(client->hoverHandler());
             }
@@ -404,6 +404,10 @@ void LanguageClientManager::editorOpened(Core::IEditor *editor)
 
 void LanguageClientManager::documentOpened(Core::IDocument *document)
 {
+    auto textDocument = qobject_cast<TextEditor::TextDocument *>(document);
+    if (!textDocument)
+        return;
+
     // check whether we have to start servers for this document
     bool opened = false;
     for (BaseSettings *setting : LanguageClientSettings::currentPageSettings()) {
@@ -434,7 +438,7 @@ void LanguageClientManager::documentOpened(Core::IDocument *document)
                 continue;
 
             for (auto client : clients) {
-                if (openDocumentWithClient(document, client)) {
+                if (openDocumentWithClient(textDocument, client)) {
                     opened = true;
                     continue;
                 }
@@ -443,7 +447,8 @@ void LanguageClientManager::documentOpened(Core::IDocument *document)
     }
 }
 
-bool LanguageClientManager::openDocumentWithClient(Core::IDocument *document, Client *client)
+bool LanguageClientManager::openDocumentWithClient(TextEditor::TextDocument *document,
+                                                   Client *client)
 {
     if (!client || client->state() == Client::Error)
         return false;
@@ -455,21 +460,27 @@ bool LanguageClientManager::openDocumentWithClient(Core::IDocument *document, Cl
 
 void LanguageClientManager::documentClosed(Core::IDocument *document)
 {
+    if (auto textDocument = qobject_cast<TextEditor::TextDocument *>(document)) {
         for (Client *client : reachableClients())
-        client->closeDocument(document);
+            client->closeDocument(textDocument);
-    m_clientForDocument.remove(document);
+        m_clientForDocument.remove(textDocument);
+    }
 }
 
 void LanguageClientManager::documentContentsSaved(Core::IDocument *document)
 {
+    if (auto textDocument = qobject_cast<TextEditor::TextDocument *>(document)) {
         for (Client *interface : reachableClients())
-        interface->documentContentsSaved(document);
+            interface->documentContentsSaved(textDocument);
+    }
 }
 
 void LanguageClientManager::documentWillSave(Core::IDocument *document)
 {
+    if (auto textDocument = qobject_cast<TextEditor::TextDocument *>(document)) {
         for (Client *interface : reachableClients())
-        interface->documentWillSave(document);
+            interface->documentWillSave(textDocument);
+    }
 }
 
 void LanguageClientManager::findLinkAt(const Utils::FilePath &filePath,

src/plugins/languageclient/languageclientmanager.h

@@ -70,14 +70,14 @@ public:
 
     static LanguageClientManager *instance();
 
-    static QList<Client *> clientsSupportingDocument(const Core::IDocument *doc);
+    static QList<Client *> clientsSupportingDocument(const TextEditor::TextDocument *doc);
 
     static void applySettings();
     static QList<BaseSettings *> currentSettings();
     static QVector<Client *> clientForSetting(const BaseSettings *setting);
     static const BaseSettings *settingForClient(Client *setting);
-    static Client *clientForDocument(Core::IDocument *document);
+    static Client *clientForDocument(TextEditor::TextDocument *document);
-    static bool reOpenDocumentWithClient(Core::IDocument *document, Client *client);
+    static bool reOpenDocumentWithClient(TextEditor::TextDocument *document, Client *client);
 
 signals:
     void shutdownFinished();
@@ -87,7 +87,7 @@ private:
 
     void editorOpened(Core::IEditor *editor);
     void documentOpened(Core::IDocument *document);
-    bool openDocumentWithClient(Core::IDocument *document, Client *client);
+    bool openDocumentWithClient(TextEditor::TextDocument *document, Client *client);
     void documentClosed(Core::IDocument *document);
     void documentContentsSaved(Core::IDocument *document);
     void documentWillSave(Core::IDocument *document);
@@ -108,7 +108,7 @@ private:
     QVector<Client *> m_clients;
     QList<BaseSettings *>  m_currentSettings; // owned
     QMap<QString, QVector<Client *>> m_clientsForSetting;
-    QHash<Core::IDocument *, QPointer<Client>> m_clientForDocument;
+    QHash<TextEditor::TextDocument *, QPointer<Client>> m_clientForDocument;
     QHash<LanguageServerProtocol::MessageId, QList<Client *>> m_exclusiveRequests;
     DocumentLocatorFilter m_currentDocumentLocatorFilter;
     WorkspaceLocatorFilter m_workspaceLocatorFilter;

src/plugins/languageclient/languageclientutils.cpp

@@ -201,8 +201,8 @@ void updateEditorToolBar(Core::IEditor *editor)
     if (!widget)
         return;
 
-    Core::IDocument *document = editor->document();
+    TextDocument *document = textEditor->textDocument();
-    Client *client = LanguageClientManager::clientForDocument(document);
+    Client *client = LanguageClientManager::clientForDocument(textEditor->textDocument());
 
     static QMap<QWidget *, QAction *> actions;
 

src/plugins/languageclient/locatorfilter.cpp

@@ -56,10 +56,10 @@ DocumentLocatorFilter::DocumentLocatorFilter()
 
 void DocumentLocatorFilter::updateCurrentClient()
 {
-    Core::IDocument *document = Core::EditorManager::currentDocument();
     resetSymbols();
     disconnect(m_resetSymbolsConnection);
 
+    TextEditor::TextDocument *document = TextEditor::TextDocument::currentTextDocument();
     if (Client *client = LanguageClientManager::clientForDocument(document)) {
         if (m_symbolCache != client->documentSymbolCache()) {
             disconnect(m_updateSymbolsConnection);