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Refactor Database and Database widgets (#2491)

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The Database, DatabaseWidget, and DatabaseTabWidget classes share many responsibilities in inconsistent ways resulting in impenetrable and unmaintainable code and a diverse set of bugs and architecture restrictions. This patch reworks the architecture, responsibilities of, and dependencies between these classes.

The core changes are:

* Move loading and saving logic from widgets into the Database class
* Get rid of the DatabaseManagerStruct and move all the information contained in it into the Database
* Let database objects keep track of modifications and dirty/clean state instead of handing this to external widgets
* Move GUI interactions for loading and saving from the DatabaseTabWidget into the DatabaseWidget (resolves #2494 as a side-effect)
* Heavily clean up DatabaseTabWidget and degrade it to a slightly glorified QTabWidget
* Use QSharedPointers for all Database objects
* Remove the modifiedImmediate signal and replace it with a markAsModified() method
* Implement proper tabName() method instead of reading back titles from GUI widgets (resolves #1389 and its duplicates #2146 #855)
* Fix unwanted AES-KDF downgrade if database uses Argon2 and has CustomData
* Improve code

This patch is also the first major step towards solving issues #476 and #2322.
This commit is contained in:
Janek Bevendorff
2018-11-22 11:47:31 +01:00
committed by GitHub
parent 917c4cc18b
commit d612cad09a
115 changed files with 2116 additions and 2165 deletions
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10
src/format/Kdbx4Reader.h
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@@ -30,15 +30,15 @@ class Kdbx4Reader : public KdbxReader
Q_DECLARE_TR_FUNCTIONS(Kdbx4Reader)
public:
Database* readDatabaseImpl(QIODevice* device,
const QByteArray& headerData,
QSharedPointer<const CompositeKey> key,
bool keepDatabase) override;
bool readDatabaseImpl(QIODevice* device,
const QByteArray& headerData,
QSharedPointer<const CompositeKey> key,
Database* db) override;
QHash<QByteArray, QString> binaryPoolInverse() const;
QHash<QString, QByteArray> binaryPool() const;
protected:
bool readHeaderField(StoreDataStream& headerStream) override;
bool readHeaderField(StoreDataStream& headerStream, Database* db) override;
private:
bool readInnerHeaderField(QIODevice* device);