From 742b9db0e34c8fc08e9f50c3053aed5f501f08d2 Mon Sep 17 00:00:00 2001
From: Kirill Burtsev <kirill.burtsev@qt.io>
Date: Fri, 18 Dec 2020 20:02:02 +0100
Subject: Merge WebEngineHistory's quick implementation into QWebEngineHistory

[ChangeLog][QWebEngineCore][QWebEngineHistory] New methods to access
navigation history as a model through new class QWebEngineHistoryModel.
[ChangeLog][QWebEngineQuick] QQuickWebEngineHistory is merged into QWebEngineHistory.

Task-number: QTBUG-74585
Change-Id: I9f9a73bbaf3954282dfc220cfc2c4cb08a37fb73
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
---
 src/core/api/qwebenginehistory_p.h | 60 ++++++++++++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 5 deletions(-)

(limited to 'src/core/api/qwebenginehistory_p.h')

diff --git a/src/core/api/qwebenginehistory_p.h b/src/core/api/qwebenginehistory_p.h
index 2ca944e5b..fb52f799c 100644
--- a/src/core/api/qwebenginehistory_p.h
+++ b/src/core/api/qwebenginehistory_p.h
@@ -51,33 +51,83 @@
 // We mean it.
 //
 #include "qtwebenginecoreglobal_p.h"
+#include "qwebenginehistory.h"
 #include <QtCore/qshareddata.h>
 
 namespace QtWebEngineCore {
+class WebContentsAdapter;
 class WebContentsAdapterClient;
 }
 
 QT_BEGIN_NAMESPACE
+
 class QWebEnginePagePrivate;
 
 class QWebEngineHistoryItemPrivate : public QSharedData
 {
 public:
-    QWebEngineHistoryItemPrivate(QtWebEngineCore::WebContentsAdapterClient *adapter = nullptr,
-                                 int index = 0);
-    QtWebEngineCore::WebContentsAdapterClient *m_adapter;
+    QWebEngineHistoryItemPrivate(QtWebEngineCore::WebContentsAdapterClient *client = nullptr, int index = 0);
+    QtWebEngineCore::WebContentsAdapter *adapter() const;
+    QtWebEngineCore::WebContentsAdapterClient *client;
     int index;
 };
 
+class QWebEngineHistoryModelPrivate
+{
+public:
+    QWebEngineHistoryModelPrivate(const QWebEngineHistoryPrivate *history);
+    virtual ~QWebEngineHistoryModelPrivate();
+
+    virtual int count() const;
+    virtual int index(int) const;
+    virtual int offsetForIndex(int) const;
+
+    QtWebEngineCore::WebContentsAdapter *adapter() const;
+    const QWebEngineHistoryPrivate *history;
+};
+
+class QWebEngineBackHistoryModelPrivate : public QWebEngineHistoryModelPrivate
+{
+public:
+    QWebEngineBackHistoryModelPrivate(const QWebEngineHistoryPrivate *history)
+        : QWebEngineHistoryModelPrivate(history) { }
+
+    int count() const override;
+    int index(int) const override;
+    int offsetForIndex(int) const override;
+};
+
+class QWebEngineForwardHistoryModelPrivate : public QWebEngineHistoryModelPrivate
+{
+public:
+    QWebEngineForwardHistoryModelPrivate(const QWebEngineHistoryPrivate *history)
+        : QWebEngineHistoryModelPrivate(history) { }
+
+    int count() const override;
+    int index(int) const override;
+    int offsetForIndex(int) const override;
+};
+
 class Q_WEBENGINECORE_PRIVATE_EXPORT QWebEngineHistoryPrivate
 {
 public:
-    QWebEngineHistoryPrivate(QtWebEngineCore::WebContentsAdapterClient *adapter);
+    typedef std::function<QUrl (const QUrl &)> ImageProviderUrl;
+    QWebEngineHistoryPrivate(QtWebEngineCore::WebContentsAdapterClient *client,
+                             const ImageProviderUrl &imageProviderUrl = ImageProviderUrl());
     ~QWebEngineHistoryPrivate();
+
     void updateItems() const;
+    QtWebEngineCore::WebContentsAdapter *adapter() const;
+
+    QtWebEngineCore::WebContentsAdapterClient *client;
+
+    ImageProviderUrl imageProviderUrl;
+    QUrl urlOrImageProviderUrl(const QUrl &url) const { return imageProviderUrl ? imageProviderUrl(url) : url; }
 
-    QtWebEngineCore::WebContentsAdapterClient *m_adapter;
     mutable QList<QWebEngineHistoryItem> items;
+    mutable QScopedPointer<QWebEngineHistoryModel> navigationModel;
+    mutable QScopedPointer<QWebEngineHistoryModel> backNavigationModel;
+    mutable QScopedPointer<QWebEngineHistoryModel> forwardNavigationModel;
 };
 
 QT_END_NAMESPACE
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