Title: [194579] trunk
Revision
194579
Author
[email protected]
Date
2016-01-05 00:12:50 -0800 (Tue, 05 Jan 2016)

Log Message

[GTK] Allow to save and restore session
https://bugs.webkit.org/show_bug.cgi?id=115600

Reviewed by Michael Catanzaro.

Source/WebKit2:

Add new API to get and resore the web view session state.

* PlatformGTK.cmake: Add new files to compilation.
* UIProcess/API/gtk/WebKitWebView.cpp:
(webkit_web_view_get_session_state): Create a new
WebKitWebViewSessionState representing the current session state.
(webkit_web_view_restore_session_state): Restore the web view
session state from the given WebKitWebViewSessionState.
* UIProcess/API/gtk/WebKitWebView.h:
* UIProcess/API/gtk/WebKitWebViewSessionState.cpp: Added.
(_WebKitWebViewSessionState::_WebKitWebViewSessionState):
(toExternalURLsPolicy):
(toWebCoreExternalURLsPolicy):
(toHTMLBodyElementType):
(toHTTPBodyElementType):
(encodeHTTPBody):
(encodeFrameState):
(encodePageState):
(encodeBackForwardListItemState):
(encodeBackForwardListState):
(encodeSessionState):
(decodeHTTPBody):
(decodeFrameState):
(decodeBackForwardListItemState):
(decodeSessionState):
(webkitWebViewSessionStateCreate):
(webkitWebViewSessionStateGetSessionState):
(webkit_web_view_session_state_new): Create a
WebKitWebViewSessionState from serialized data.
(webkit_web_view_session_state_ref):
(webkit_web_view_session_state_unref):
(webkit_web_view_session_state_serialize): Serialize the WebKitWebViewSessionState.
* UIProcess/API/gtk/WebKitWebViewSessionState.h: Added.
* UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h: Added.
* UIProcess/API/gtk/docs/webkit2gtk-4.0-sections.txt: Add new symbols.
* UIProcess/API/gtk/docs/webkit2gtk-4.0.types: Add webkit_web_view_session_state_get_type.
* UIProcess/API/gtk/webkit2.h: Include WebKitWebViewSessionState.h.

Source/WTF:

Add GVariantIter specialization of GUniquePtr.

* wtf/glib/GTypedefs.h:
* wtf/glib/GUniquePtr.h:

Tools:

Add test case to check the new session API.

* TestWebKitAPI/Tests/WebKit2Gtk/TestBackForwardList.cpp:
(testWebKitWebViewSessionState):
(testWebKitWebViewSessionStateWithFormData):
(beforeAll):

Modified Paths

Added Paths

Diff

Modified: trunk/Source/WTF/ChangeLog (194578 => 194579)


--- trunk/Source/WTF/ChangeLog	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WTF/ChangeLog	2016-01-05 08:12:50 UTC (rev 194579)
@@ -1,3 +1,15 @@
+2016-01-04  Carlos Garcia Campos  <[email protected]>
+
+        [GTK] Allow to save and restore session
+        https://bugs.webkit.org/show_bug.cgi?id=115600
+
+        Reviewed by Michael Catanzaro.
+
+        Add GVariantIter specialization of GUniquePtr.
+
+        * wtf/glib/GTypedefs.h:
+        * wtf/glib/GUniquePtr.h:
+
 2016-01-04  Tim Horton  <[email protected]>
 
         Turn on gesture events when building for Yosemite

Modified: trunk/Source/WTF/wtf/glib/GTypedefs.h (194578 => 194579)


--- trunk/Source/WTF/wtf/glib/GTypedefs.h	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WTF/wtf/glib/GTypedefs.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -61,6 +61,7 @@
 typedef struct _GSource GSource;
 typedef struct _GVariant GVariant;
 typedef struct _GVariantBuilder GVariantBuilder;
+typedef struct _GVariantIter GVariantIter;
 typedef union _GdkEvent GdkEvent;
 typedef struct _GTimer GTimer;
 typedef struct _GKeyFile GKeyFile;

Modified: trunk/Source/WTF/wtf/glib/GUniquePtr.h (194578 => 194579)


--- trunk/Source/WTF/wtf/glib/GUniquePtr.h	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WTF/wtf/glib/GUniquePtr.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -44,7 +44,8 @@
     macro(GDir, g_dir_close) \
     macro(GTimer, g_timer_destroy) \
     macro(GKeyFile, g_key_file_free) \
-    macro(char*, g_strfreev)
+    macro(char*, g_strfreev) \
+    macro(GVariantIter, g_variant_iter_free)
 
 #define WTF_DEFINE_GPTR_DELETER(typeName, deleterFunc) \
     template<> struct GPtrDeleter<typeName> \

Modified: trunk/Source/WebKit2/ChangeLog (194578 => 194579)


--- trunk/Source/WebKit2/ChangeLog	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/ChangeLog	2016-01-05 08:12:50 UTC (rev 194579)
@@ -1,3 +1,48 @@
+2016-01-04  Carlos Garcia Campos  <[email protected]>
+
+        [GTK] Allow to save and restore session
+        https://bugs.webkit.org/show_bug.cgi?id=115600
+
+        Reviewed by Michael Catanzaro.
+
+        Add new API to get and resore the web view session state.
+
+        * PlatformGTK.cmake: Add new files to compilation.
+        * UIProcess/API/gtk/WebKitWebView.cpp:
+        (webkit_web_view_get_session_state): Create a new
+        WebKitWebViewSessionState representing the current session state.
+        (webkit_web_view_restore_session_state): Restore the web view
+        session state from the given WebKitWebViewSessionState.
+        * UIProcess/API/gtk/WebKitWebView.h:
+        * UIProcess/API/gtk/WebKitWebViewSessionState.cpp: Added.
+        (_WebKitWebViewSessionState::_WebKitWebViewSessionState):
+        (toExternalURLsPolicy):
+        (toWebCoreExternalURLsPolicy):
+        (toHTMLBodyElementType):
+        (toHTTPBodyElementType):
+        (encodeHTTPBody):
+        (encodeFrameState):
+        (encodePageState):
+        (encodeBackForwardListItemState):
+        (encodeBackForwardListState):
+        (encodeSessionState):
+        (decodeHTTPBody):
+        (decodeFrameState):
+        (decodeBackForwardListItemState):
+        (decodeSessionState):
+        (webkitWebViewSessionStateCreate):
+        (webkitWebViewSessionStateGetSessionState):
+        (webkit_web_view_session_state_new): Create a
+        WebKitWebViewSessionState from serialized data.
+        (webkit_web_view_session_state_ref):
+        (webkit_web_view_session_state_unref):
+        (webkit_web_view_session_state_serialize): Serialize the WebKitWebViewSessionState.
+        * UIProcess/API/gtk/WebKitWebViewSessionState.h: Added.
+        * UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h: Added.
+        * UIProcess/API/gtk/docs/webkit2gtk-4.0-sections.txt: Add new symbols.
+        * UIProcess/API/gtk/docs/webkit2gtk-4.0.types: Add webkit_web_view_session_state_get_type.
+        * UIProcess/API/gtk/webkit2.h: Include WebKitWebViewSessionState.h.
+
 2016-01-04  Alex Christensen  <[email protected]>
 
         Use unique_ptr for NetworkDataTasks and references for NetworkSessionTaskClients

Modified: trunk/Source/WebKit2/PlatformGTK.cmake (194578 => 194579)


--- trunk/Source/WebKit2/PlatformGTK.cmake	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/PlatformGTK.cmake	2016-01-05 08:12:50 UTC (rev 194579)
@@ -263,6 +263,9 @@
     UIProcess/API/gtk/WebKitWebViewBaseAccessible.h
     UIProcess/API/gtk/WebKitWebViewBasePrivate.h
     UIProcess/API/gtk/WebKitWebViewPrivate.h
+    UIProcess/API/gtk/WebKitWebViewSessionState.cpp
+    UIProcess/API/gtk/WebKitWebViewSessionState.h
+    UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h
     UIProcess/API/gtk/WebKitWebsiteDataManager.cpp
     UIProcess/API/gtk/WebKitWebsiteDataManager.h
     UIProcess/API/gtk/WebKitWebsiteDataManagerPrivate.h
@@ -428,6 +431,7 @@
     ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWebResource.h
     ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWebView.h
     ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWebViewBase.h
+    ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWebViewSessionState.h
     ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWebsiteDataManager.h
     ${WEBKIT2_DIR}/UIProcess/API/gtk/WebKitWindowProperties.h
     ${WEBKIT2_DIR}/UIProcess/API/gtk/webkit2.h

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitAutocleanups.h (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitAutocleanups.h	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitAutocleanups.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -77,6 +77,7 @@
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (WebKitNavigationAction, webkit_navigation_action_free)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (WebKitUserScript, webkit_user_script_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (WebKitUserStyleSheet, webkit_user_style_sheet_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (WebKitWebViewSessionState, webkit_web_view_session_state_unref)
 
 #endif // __GI_SCANNER__
 #endif // G_DEFINE_AUTOPTR_CLEANUP_FUNC

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.cpp (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.cpp	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.cpp	2016-01-05 08:12:50 UTC (rev 194579)
@@ -61,6 +61,7 @@
 #include "WebKitWebResourcePrivate.h"
 #include "WebKitWebViewBasePrivate.h"
 #include "WebKitWebViewPrivate.h"
+#include "WebKitWebViewSessionStatePrivate.h"
 #include "WebKitWindowPropertiesPrivate.h"
 #include <_javascript_Core/APICast.h>
 #include <WebCore/CertificateInfo.h>
@@ -3717,3 +3718,38 @@
 
     return webView->priv->editorState.get();
 }
+
+/**
+ * webkit_web_view_get_session_state:
+ * @web_view: a #WebKitWebView
+ *
+ * Gets the current session state of @web_view
+ *
+ * Returns: (transfer full): a #WebKitWebViewSessionState
+ *
+ * Since: 2.12
+ */
+WebKitWebViewSessionState* webkit_web_view_get_session_state(WebKitWebView* webView)
+{
+    g_return_val_if_fail(WEBKIT_IS_WEB_VIEW(webView), nullptr);
+
+    SessionState sessionState = getPage(webView)->sessionState(nullptr);
+    return webkitWebViewSessionStateCreate(WTFMove(sessionState));
+}
+
+/**
+ * webkit_web_view_restore_session_state:
+ * @web_view: a #WebKitWebView
+ * @state: a #WebKitWebViewSessionState
+ *
+ * Restore the @web_view session state from @state
+ *
+ * Since: 2.12
+ */
+void webkit_web_view_restore_session_state(WebKitWebView* webView, WebKitWebViewSessionState* state)
+{
+    g_return_if_fail(WEBKIT_IS_WEB_VIEW(webView));
+    g_return_if_fail(state);
+
+    getPage(webView)->restoreFromSessionState(webkitWebViewSessionStateGetSessionState(state), false);
+}

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.h (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.h	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -52,6 +52,7 @@
 #include <webkit2/WebKitWebInspector.h>
 #include <webkit2/WebKitWebResource.h>
 #include <webkit2/WebKitWebViewBase.h>
+#include <webkit2/WebKitWebViewSessionState.h>
 #include <webkit2/WebKitWindowProperties.h>
 
 G_BEGIN_DECLS
@@ -505,6 +506,13 @@
 WEBKIT_API WebKitEditorState *
 webkit_web_view_get_editor_state                     (WebKitWebView             *web_view);
 
+WEBKIT_API WebKitWebViewSessionState *
+webkit_web_view_get_session_state                    (WebKitWebView             *web_view);
+
+WEBKIT_API void
+webkit_web_view_restore_session_state                (WebKitWebView             *web_view,
+                                                      WebKitWebViewSessionState *state);
+
 G_END_DECLS
 
 #endif

Added: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.cpp (0 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.cpp	                        (rev 0)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.cpp	2016-01-05 08:12:50 UTC (rev 194579)
@@ -0,0 +1,453 @@
+/*
+ * Copyright (C) 2016 Igalia S.L.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "WebKitWebViewSessionState.h"
+
+#include "WebKitWebViewSessionStatePrivate.h"
+#include <wtf/glib/GRefPtr.h>
+#include <wtf/glib/GUniquePtr.h>
+
+using namespace WebKit;
+
+struct _WebKitWebViewSessionState {
+    _WebKitWebViewSessionState(SessionState&& state)
+        : sessionState(WTFMove(state))
+        , referenceCount(1)
+    {
+    }
+
+    SessionState sessionState;
+    int referenceCount;
+};
+
+G_DEFINE_BOXED_TYPE(WebKitWebViewSessionState, webkit_web_view_session_state, webkit_web_view_session_state_ref, webkit_web_view_session_state_unref)
+
+static const guint16 g_sessionStateVersion = 1;
+#define HTTP_BODY_ELEMENT_TYPE_STRING_V1 "(uaysxmxmds)"
+#define HTTP_BODY_ELEMENT_FORMAT_STRING_V1 "(uay&sxmxmd&s)"
+#define HTTP_BODY_TYPE_STRING_V1 "m(sa" HTTP_BODY_ELEMENT_TYPE_STRING_V1 ")"
+#define HTTP_BODY_FORMAT_STRING_V1 "m(&sa" HTTP_BODY_ELEMENT_TYPE_STRING_V1 ")"
+#define FRAME_STATE_TYPE_STRING_V1  "(ssssasmaytt(ii)d" HTTP_BODY_TYPE_STRING_V1 "av)"
+#define FRAME_STATE_FORMAT_STRING_V1  "(&s&s&s&sasmaytt(ii)d@" HTTP_BODY_TYPE_STRING_V1 "av)"
+#define BACK_FORWARD_LIST_ITEM_TYPE_STRING_V1  "(ts" FRAME_STATE_TYPE_STRING_V1 "u)"
+#define BACK_FORWARD_LIST_ITEM_FORMAT_STRING_V1  "(t&s@" FRAME_STATE_TYPE_STRING_V1 "u)"
+#define SESSION_STATE_TYPE_STRING_V1  "(qa" BACK_FORWARD_LIST_ITEM_TYPE_STRING_V1 "mu)"
+
+// Use our own enum types to ensure the serialized format even if the core enums change.
+enum ExternalURLsPolicy {
+    Allow,
+    AllowExternalSchemes,
+    NotAllow
+};
+
+static inline unsigned toExternalURLsPolicy(WebCore::ShouldOpenExternalURLsPolicy policy)
+{
+    switch (policy) {
+    case WebCore::ShouldOpenExternalURLsPolicy::ShouldAllow:
+        return ExternalURLsPolicy::Allow;
+    case WebCore::ShouldOpenExternalURLsPolicy::ShouldAllowExternalSchemes:
+        return ExternalURLsPolicy::AllowExternalSchemes;
+    case WebCore::ShouldOpenExternalURLsPolicy::ShouldNotAllow:
+        return ExternalURLsPolicy::NotAllow;
+    }
+
+    return ExternalURLsPolicy::NotAllow;
+}
+
+static inline WebCore::ShouldOpenExternalURLsPolicy toWebCoreExternalURLsPolicy(unsigned policy)
+{
+    switch (policy) {
+    case ExternalURLsPolicy::Allow:
+        return WebCore::ShouldOpenExternalURLsPolicy::ShouldAllow;
+    case ExternalURLsPolicy::AllowExternalSchemes:
+        return WebCore::ShouldOpenExternalURLsPolicy::ShouldAllowExternalSchemes;
+    case ExternalURLsPolicy::NotAllow:
+        return WebCore::ShouldOpenExternalURLsPolicy::ShouldNotAllow;
+    }
+
+    return WebCore::ShouldOpenExternalURLsPolicy::ShouldNotAllow;
+}
+
+enum HTMLBodyElementType {
+    Data,
+    File,
+    Blob
+};
+
+static inline unsigned toHTMLBodyElementType(HTTPBody::Element::Type type)
+{
+    switch (type) {
+    case HTTPBody::Element::Type::Data:
+        return HTMLBodyElementType::Data;
+    case HTTPBody::Element::Type::File:
+        return HTMLBodyElementType::File;
+    case HTTPBody::Element::Type::Blob:
+        return HTMLBodyElementType::Blob;
+    }
+
+    return HTMLBodyElementType::Data;
+}
+
+static inline HTTPBody::Element::Type toHTTPBodyElementType(unsigned type)
+{
+    switch (type) {
+    case HTMLBodyElementType::Data:
+        return HTTPBody::Element::Type::Data;
+    case HTMLBodyElementType::File:
+        return HTTPBody::Element::Type::File;
+    case HTMLBodyElementType::Blob:
+        return HTTPBody::Element::Type::Blob;
+    }
+
+    return HTTPBody::Element::Type::Data;
+}
+
+static inline void encodeHTTPBody(GVariantBuilder* sessionBuilder, const HTTPBody& httpBody)
+{
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("(sa" HTTP_BODY_ELEMENT_TYPE_STRING_V1 ")"));
+    g_variant_builder_add(sessionBuilder, "s", httpBody.contentType.utf8().data());
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("a" HTTP_BODY_ELEMENT_TYPE_STRING_V1));
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE(HTTP_BODY_ELEMENT_TYPE_STRING_V1));
+    for (const auto& element : httpBody.elements) {
+        g_variant_builder_add(sessionBuilder, "u", toHTMLBodyElementType(element.type));
+        g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("ay"));
+        for (auto item : element.data)
+            g_variant_builder_add(sessionBuilder, "y", item);
+        g_variant_builder_close(sessionBuilder);
+        g_variant_builder_add(sessionBuilder, "s", element.filePath.utf8().data());
+        g_variant_builder_add(sessionBuilder, "x", element.fileStart);
+        if (element.fileLength)
+            g_variant_builder_add(sessionBuilder, "mx", TRUE, element.fileLength.value());
+        else
+            g_variant_builder_add(sessionBuilder, "mx", FALSE);
+        if (element.expectedFileModificationTime)
+            g_variant_builder_add(sessionBuilder, "md", TRUE, element.expectedFileModificationTime.value());
+        else
+            g_variant_builder_add(sessionBuilder, "md", FALSE);
+        g_variant_builder_add(sessionBuilder, "s", element.blobURLString.utf8().data());
+    }
+    g_variant_builder_close(sessionBuilder);
+    g_variant_builder_close(sessionBuilder);
+    g_variant_builder_close(sessionBuilder);
+}
+
+static inline void encodeFrameState(GVariantBuilder* sessionBuilder, const FrameState& frameState)
+{
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE(FRAME_STATE_TYPE_STRING_V1));
+    g_variant_builder_add(sessionBuilder, "s", frameState.urlString.utf8().data());
+    g_variant_builder_add(sessionBuilder, "s", frameState.originalURLString.utf8().data());
+    g_variant_builder_add(sessionBuilder, "s", frameState.referrer.utf8().data());
+    g_variant_builder_add(sessionBuilder, "s", frameState.target.utf8().data());
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("as"));
+    for (const auto& state : frameState.documentState)
+        g_variant_builder_add(sessionBuilder, "s", state.utf8().data());
+    g_variant_builder_close(sessionBuilder);
+    if (!frameState.stateObjectData)
+        g_variant_builder_add(sessionBuilder, "may", FALSE);
+    else {
+        g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("may"));
+        g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("ay"));
+        for (auto item : frameState.stateObjectData.value())
+            g_variant_builder_add(sessionBuilder, "y", item);
+        g_variant_builder_close(sessionBuilder);
+        g_variant_builder_close(sessionBuilder);
+    }
+    g_variant_builder_add(sessionBuilder, "t", frameState.documentSequenceNumber);
+    g_variant_builder_add(sessionBuilder, "t", frameState.itemSequenceNumber);
+    g_variant_builder_add(sessionBuilder, "(ii)", frameState.scrollPosition.x(), frameState.scrollPosition.y());
+    g_variant_builder_add(sessionBuilder, "d", frameState.pageScaleFactor);
+    if (!frameState.httpBody)
+        g_variant_builder_add(sessionBuilder, HTTP_BODY_TYPE_STRING_V1, FALSE);
+    else {
+        g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE(HTTP_BODY_TYPE_STRING_V1));
+        encodeHTTPBody(sessionBuilder, frameState.httpBody.value());
+        g_variant_builder_close(sessionBuilder);
+    }
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("av"));
+    for (const auto& child : frameState.children)
+        encodeFrameState(sessionBuilder, child);
+    g_variant_builder_close(sessionBuilder);
+    g_variant_builder_close(sessionBuilder);
+}
+
+static inline void encodePageState(GVariantBuilder* sessionBuilder, const PageState& pageState)
+{
+    g_variant_builder_add(sessionBuilder, "s", pageState.title.utf8().data());
+    encodeFrameState(sessionBuilder, pageState.mainFrameState);
+    g_variant_builder_add(sessionBuilder, "u", toExternalURLsPolicy(pageState.shouldOpenExternalURLsPolicy));
+}
+
+static inline void encodeBackForwardListItemState(GVariantBuilder* sessionBuilder, const BackForwardListItemState& item)
+{
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE(BACK_FORWARD_LIST_ITEM_TYPE_STRING_V1));
+    g_variant_builder_add(sessionBuilder, "t", item.identifier);
+    encodePageState(sessionBuilder, item.pageState);
+    g_variant_builder_close(sessionBuilder);
+}
+
+static inline void encodeBackForwardListState(GVariantBuilder* sessionBuilder, const BackForwardListState& backForwardListState)
+{
+    g_variant_builder_open(sessionBuilder, G_VARIANT_TYPE("a" BACK_FORWARD_LIST_ITEM_TYPE_STRING_V1));
+    for (const auto& item : backForwardListState.items)
+        encodeBackForwardListItemState(sessionBuilder, item);
+    g_variant_builder_close(sessionBuilder);
+
+    if (backForwardListState.currentIndex)
+        g_variant_builder_add(sessionBuilder, "mu", TRUE, backForwardListState.currentIndex.value());
+    else
+        g_variant_builder_add(sessionBuilder, "mu", FALSE);
+}
+
+static GBytes* encodeSessionState(const SessionState& sessionState)
+{
+    GVariantBuilder sessionBuilder;
+    g_variant_builder_init(&sessionBuilder, G_VARIANT_TYPE(SESSION_STATE_TYPE_STRING_V1));
+    g_variant_builder_add(&sessionBuilder, "q", g_sessionStateVersion);
+    encodeBackForwardListState(&sessionBuilder, sessionState.backForwardListState);
+    GRefPtr<GVariant> variant = g_variant_builder_end(&sessionBuilder);
+    return g_variant_get_data_as_bytes(variant.get());
+}
+
+static inline bool decodeHTTPBody(GVariant* httpBodyVariant, HTTPBody& httpBody)
+{
+    gboolean hasHTTPBody;
+    const char* contentType;
+    GUniqueOutPtr<GVariantIter> elementsIter;
+    g_variant_get(httpBodyVariant, HTTP_BODY_FORMAT_STRING_V1, &hasHTTPBody, &contentType, &elementsIter.outPtr());
+    if (!hasHTTPBody)
+        return false;
+    httpBody.contentType = String::fromUTF8(contentType);
+    gsize elementsLength = g_variant_iter_n_children(elementsIter.get());
+    if (!elementsLength)
+        return true;
+    httpBody.elements.reserveInitialCapacity(elementsLength);
+    unsigned type;
+    GVariantIter* dataIter;
+    const char* filePath;
+    gint64 fileStart;
+    gboolean hasFileLength;
+    gint64 fileLength;
+    gboolean hasFileModificationTime;
+    gdouble fileModificationTime;
+    const char* blobURLString;
+    while (g_variant_iter_loop(elementsIter.get(), HTTP_BODY_ELEMENT_FORMAT_STRING_V1, &type, &dataIter, &filePath, &fileStart, &hasFileLength, &fileLength, &hasFileModificationTime, &fileModificationTime, &blobURLString)) {
+        HTTPBody::Element element;
+        element.type = toHTTPBodyElementType(type);
+        if (gsize dataLength = g_variant_iter_n_children(dataIter)) {
+            element.data.reserveInitialCapacity(dataLength);
+            guchar dataValue;
+            while (g_variant_iter_next(dataIter, "y", &dataValue))
+                element.data.uncheckedAppend(dataValue);
+        }
+        element.filePath = String::fromUTF8(filePath);
+        element.fileStart = fileStart;
+        if (hasFileLength)
+            element.fileLength = fileLength;
+        if (hasFileModificationTime)
+            element.expectedFileModificationTime = fileModificationTime;
+        element.blobURLString = String::fromUTF8(blobURLString);
+
+        httpBody.elements.uncheckedAppend(WTFMove(element));
+    }
+
+    return true;
+}
+
+static inline void decodeFrameState(GVariant* frameStateVariant, FrameState& frameState)
+{
+    const char* urlString;
+    const char* originalURLString;
+    const char* referrer;
+    const char* target;
+    GUniqueOutPtr<GVariantIter> documentStateIter;
+    GUniqueOutPtr<GVariantIter> stateObjectDataIter;
+    guint64 documentSequenceNumber;
+    guint64 itemSequenceNumber;
+    gint32 scrollPositionX, scrollPositionY;
+    gdouble pageScaleFactor;
+    GVariant* httpBodyVariant;
+    GUniqueOutPtr<GVariantIter> childrenIter;
+    g_variant_get(frameStateVariant, FRAME_STATE_FORMAT_STRING_V1, &urlString, &originalURLString, &referrer, &target,
+        &documentStateIter.outPtr(), &stateObjectDataIter.outPtr(), &documentSequenceNumber, &itemSequenceNumber,
+        &scrollPositionX, &scrollPositionY, &pageScaleFactor, &httpBodyVariant, &childrenIter.outPtr());
+    frameState.urlString = String::fromUTF8(urlString);
+    frameState.originalURLString = String::fromUTF8(originalURLString);
+    frameState.referrer = String::fromUTF8(referrer);
+    frameState.target = String::fromUTF8(target);
+    if (gsize documentStateLength = g_variant_iter_n_children(documentStateIter.get())) {
+        frameState.documentState.reserveInitialCapacity(documentStateLength);
+        const char* documentStateString;
+        while (g_variant_iter_next(documentStateIter.get(), "&s", &documentStateString))
+            frameState.documentState.uncheckedAppend(String::fromUTF8(documentStateString));
+    }
+    if (stateObjectDataIter) {
+        Vector<uint8_t> stateObjectVector;
+        if (gsize stateObjectDataLength = g_variant_iter_n_children(stateObjectDataIter.get())) {
+            stateObjectVector.reserveInitialCapacity(stateObjectDataLength);
+            guchar stateObjectDataValue;
+            while (g_variant_iter_next(stateObjectDataIter.get(), "y", &stateObjectDataValue))
+                stateObjectVector.uncheckedAppend(stateObjectDataValue);
+        }
+        frameState.stateObjectData = WTFMove(stateObjectVector);
+    }
+    frameState.documentSequenceNumber = documentSequenceNumber;
+    frameState.itemSequenceNumber = itemSequenceNumber;
+    frameState.scrollPosition.setX(scrollPositionX);
+    frameState.scrollPosition.setY(scrollPositionY);
+    frameState.pageScaleFactor = pageScaleFactor;
+    HTTPBody httpBody;
+    if (decodeHTTPBody(httpBodyVariant, httpBody))
+        frameState.httpBody = WTFMove(httpBody);
+    g_variant_unref(httpBodyVariant);
+    while (GRefPtr<GVariant> child = adoptGRef(g_variant_iter_next_value(childrenIter.get()))) {
+        FrameState childFrameState;
+        decodeFrameState(child.get(), childFrameState);
+        frameState.children.append(WTFMove(childFrameState));
+    }
+}
+
+static inline void decodeBackForwardListItemState(GVariantIter* backForwardListStateIter, BackForwardListState& backForwardListState)
+{
+    gsize backForwardListStateLength = g_variant_iter_n_children(backForwardListStateIter);
+    if (!backForwardListStateLength)
+        return;
+
+    backForwardListState.items.reserveInitialCapacity(backForwardListStateLength);
+    guint64 identifier;
+    const char* title;
+    GVariant* frameStateVariant;
+    unsigned shouldOpenExternalURLsPolicy;
+    while (g_variant_iter_loop(backForwardListStateIter, BACK_FORWARD_LIST_ITEM_FORMAT_STRING_V1, &identifier, &title, &frameStateVariant, &shouldOpenExternalURLsPolicy)) {
+        BackForwardListItemState state;
+        state.identifier = identifier;
+        state.pageState.title = String::fromUTF8(title);
+        decodeFrameState(frameStateVariant, state.pageState.mainFrameState);
+        state.pageState.shouldOpenExternalURLsPolicy = toWebCoreExternalURLsPolicy(shouldOpenExternalURLsPolicy);
+        backForwardListState.items.uncheckedAppend(WTFMove(state));
+    }
+}
+
+static bool decodeSessionState(GBytes* data, SessionState& sessionState)
+{
+    GRefPtr<GVariant> variant = g_variant_new_from_bytes(G_VARIANT_TYPE(SESSION_STATE_TYPE_STRING_V1), data, FALSE);
+    if (!g_variant_is_normal_form(variant.get()))
+        return false;
+
+    guint16 version;
+    GUniqueOutPtr<GVariantIter> backForwardListStateIter;
+    gboolean hasCurrentIndex;
+    guint32 currentIndex;
+    g_variant_get(variant.get(), SESSION_STATE_TYPE_STRING_V1, &version, &backForwardListStateIter.outPtr(), &hasCurrentIndex, &currentIndex);
+    if (!version || version > g_sessionStateVersion)
+        return false;
+
+    decodeBackForwardListItemState(backForwardListStateIter.get(), sessionState.backForwardListState);
+
+    if (hasCurrentIndex)
+        sessionState.backForwardListState.currentIndex = currentIndex;
+    return true;
+}
+
+WebKitWebViewSessionState* webkitWebViewSessionStateCreate(SessionState&& sessionState)
+{
+    WebKitWebViewSessionState* state = static_cast<WebKitWebViewSessionState*>(fastMalloc(sizeof(WebKitWebViewSessionState)));
+    new (state) WebKitWebViewSessionState(WTFMove(sessionState));
+    return state;
+}
+
+const SessionState& webkitWebViewSessionStateGetSessionState(WebKitWebViewSessionState* state)
+{
+    return state->sessionState;
+}
+
+/**
+ * webkit_web_view_session_state_new:
+ * @data: a #GBytes
+ *
+ * Creates a new #WebKitWebViewSessionState from seralized data.
+ *
+ * Returns: (transfer full): a new #WebKitWebViewSessionState, or %NULL if @data doesn't contain a
+ *     valid serialized #WebKitWebViewSessionState.
+ *
+ * Since: 2.12
+ */
+WebKitWebViewSessionState* webkit_web_view_session_state_new(GBytes* data)
+{
+    g_return_val_if_fail(data, nullptr);
+
+    SessionState sessionState;
+    if (!decodeSessionState(data, sessionState))
+        return nullptr;
+    return webkitWebViewSessionStateCreate(WTFMove(sessionState));
+}
+
+/**
+ * webkit_web_view_session_state_ref:
+ * @state: a #WebKitWebViewSessionState
+ *
+ * Atomically increments the reference count of @state by one. This
+ * function is MT-safe and may be called from any thread.
+ *
+ * Returns: The passed in #WebKitWebViewSessionState
+ *
+ * Since: 2.12
+ */
+WebKitWebViewSessionState* webkit_web_view_session_state_ref(WebKitWebViewSessionState* state)
+{
+    g_return_val_if_fail(state, nullptr);
+    g_atomic_int_inc(&state->referenceCount);
+    return state;
+}
+
+/**
+ * webkit_web_view_session_state_unref:
+ * @state: a #WebKitWebViewSessionState
+ *
+ * Atomically decrements the reference count of @state by one. If the
+ * reference count drops to 0, all memory allocated by the #WebKitWebViewSessionState is
+ * released. This function is MT-safe and may be called from any thread.
+ *
+ * Since: 2.12
+ */
+void webkit_web_view_session_state_unref(WebKitWebViewSessionState* state)
+{
+    g_return_if_fail(state);
+    if (g_atomic_int_dec_and_test(&state->referenceCount)) {
+        state->~WebKitWebViewSessionState();
+        fastFree(state);
+    }
+}
+
+/**
+ * webkit_web_view_session_state_serialize:
+ * @state: a #WebKitWebViewSessionState
+ *
+ * Serializes a #WebKitWebViewSessionState.
+ *
+ * Returns: (transfer full): a #GBytes containing the @state serialized.
+ *
+ * Since: 2.12
+ */
+GBytes* webkit_web_view_session_state_serialize(WebKitWebViewSessionState* state)
+{
+    g_return_val_if_fail(state, nullptr);
+
+    return encodeSessionState(state->sessionState);
+}

Added: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.h (0 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.h	                        (rev 0)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionState.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016 Igalia S.L.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#if !defined(__WEBKIT2_H_INSIDE__) && !defined(WEBKIT2_COMPILATION)
+#error "Only <webkit2/webkit2.h> can be included directly."
+#endif
+
+#ifndef WebKitWebViewSessionState_h
+#define WebKitWebViewSessionState_h
+
+#include <glib-object.h>
+#include <webkit2/WebKitDefines.h>
+
+G_BEGIN_DECLS
+
+#define WEBKIT_TYPE_WEB_VIEW_SESSION_STATE (webkit_web_view_session_state_get_type())
+
+typedef struct _WebKitWebViewSessionState WebKitWebViewSessionState;
+
+WEBKIT_API GType
+webkit_web_view_session_state_get_type  (void);
+
+WEBKIT_API WebKitWebViewSessionState *
+webkit_web_view_session_state_new       (GBytes *data);
+
+WEBKIT_API WebKitWebViewSessionState *
+webkit_web_view_session_state_ref       (WebKitWebViewSessionState *state);
+
+WEBKIT_API void
+webkit_web_view_session_state_unref     (WebKitWebViewSessionState *state);
+
+WEBKIT_API GBytes *
+webkit_web_view_session_state_serialize (WebKitWebViewSessionState *state);
+
+G_END_DECLS
+
+#endif

Added: trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h (0 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h	                        (rev 0)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewSessionStatePrivate.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2015 Igalia S.L.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "SessionState.h"
+#include "WebKitWebViewSessionState.h"
+
+#ifndef WebKitWebViewSessionStatePrivate_h
+#define WebKitWebViewSessionStatePrivate_h
+
+WebKitWebViewSessionState* webkitWebViewSessionStateCreate(WebKit::SessionState&&);
+const WebKit::SessionState& webkitWebViewSessionStateGetSessionState(WebKitWebViewSessionState*);
+
+#endif // WebKitWebViewSessionStatePrivate_h

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0-sections.txt (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0-sections.txt	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0-sections.txt	2016-01-05 08:12:50 UTC (rev 194579)
@@ -212,6 +212,8 @@
 webkit_web_view_set_editable
 webkit_web_view_is_editable
 webkit_web_view_get_editor_state
+webkit_web_view_get_session_state
+webkit_web_view_restore_session_state
 
 <SUBSECTION WebKitJavascriptResult>
 WebKitJavascriptResult
@@ -230,6 +232,13 @@
 webkit_script_dialog_prompt_set_text
 webkit_web_view_get_main_resource
 
+<SUBSECTION WebKitWebViewSessionState>
+WebKitWebViewSessionState
+webkit_web_view_session_state_new
+webkit_web_view_session_state_ref
+webkit_web_view_session_state_unref
+webkit_web_view_session_state_serialize
+
 <SUBSECTION Standard>
 WebKitWebViewClass
 WEBKIT_WEB_VIEW
@@ -240,11 +249,13 @@
 WEBKIT_WEB_VIEW_GET_CLASS
 WEBKIT_TYPE_JAVASCRIPT_RESULT
 WEBKIT_TYPE_SCRIPT_DIALOG
+WEBKIT_TYPE_WEB_VIEW_SESSION_STATE
 
 <SUBSECTION Private>
 webkit_web_view_get_type
 webkit_javascript_result_get_type
 webkit_script_dialog_get_type
+webkit_web_view_session_state_get_type
 WebKitWebViewPrivate
 </SECTION>
 

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0.types (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0.types	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/docs/webkit2gtk-4.0.types	2016-01-05 08:12:50 UTC (rev 194579)
@@ -33,3 +33,4 @@
 webkit_editor_state_get_type
 webkit_install_missing_media_plugins_permission_request_get_type
 webkit_console_message_get_type
+webkit_web_view_session_state_get_type

Modified: trunk/Source/WebKit2/UIProcess/API/gtk/webkit2.h (194578 => 194579)


--- trunk/Source/WebKit2/UIProcess/API/gtk/webkit2.h	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Source/WebKit2/UIProcess/API/gtk/webkit2.h	2016-01-05 08:12:50 UTC (rev 194579)
@@ -74,6 +74,7 @@
 #include <webkit2/WebKitWebResource.h>
 #include <webkit2/WebKitWebView.h>
 #include <webkit2/WebKitWebViewBase.h>
+#include <webkit2/WebKitWebViewSessionState.h>
 #include <webkit2/WebKitWebsiteDataManager.h>
 #include <webkit2/WebKitWindowProperties.h>
 

Modified: trunk/Tools/ChangeLog (194578 => 194579)


--- trunk/Tools/ChangeLog	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Tools/ChangeLog	2016-01-05 08:12:50 UTC (rev 194579)
@@ -1,3 +1,17 @@
+2016-01-04  Carlos Garcia Campos  <[email protected]>
+
+        [GTK] Allow to save and restore session
+        https://bugs.webkit.org/show_bug.cgi?id=115600
+
+        Reviewed by Michael Catanzaro.
+
+        Add test case to check the new session API.
+
+        * TestWebKitAPI/Tests/WebKit2Gtk/TestBackForwardList.cpp:
+        (testWebKitWebViewSessionState):
+        (testWebKitWebViewSessionStateWithFormData):
+        (beforeAll):
+
 2016-01-04  Csaba Osztrogonác  <[email protected]>
 
         [EFL] Bump EFL version to 1.16.1

Modified: trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestBackForwardList.cpp (194578 => 194579)


--- trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestBackForwardList.cpp	2016-01-05 07:46:14 UTC (rev 194578)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestBackForwardList.cpp	2016-01-05 08:12:50 UTC (rev 194579)
@@ -264,6 +264,108 @@
     g_assert_cmpuint(webkit_back_forward_list_get_length(test->m_list), ==, kBackForwardListLimit);
 }
 
+static void testWebKitWebViewSessionState(BackForwardListTest* test, gconstpointer)
+{
+    WebKitWebViewSessionState* state = webkit_web_view_get_session_state(test->m_webView);
+    g_assert(state);
+    GRefPtr<WebKitWebView> view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+    WebKitBackForwardList* bfList = webkit_web_view_get_back_forward_list(view.get());
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    GRefPtr<GBytes> data = ""
+    g_assert(data);
+    state = webkit_web_view_session_state_new(data.get());
+    g_assert(state);
+    view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+    bfList = webkit_web_view_get_back_forward_list(view.get());
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_session_state_unref(state);
+
+    CString uriPage1 = kServer->getURIForPath("/Page1");
+    test->m_changedFlags = BackForwardListTest::CurrentItem | BackForwardListTest::AddedItem;
+    test->loadURI(uriPage1.data());
+    test->waitUntilLoadFinished();
+
+    CString uriPage2 = kServer->getURIForPath("/Page2");
+    test->m_changedFlags = BackForwardListTest::CurrentItem | BackForwardListTest::AddedItem;
+    test->loadURI(uriPage2.data());
+    test->waitUntilLoadFinished();
+
+    CString uriPage3 = kServer->getURIForPath("/Page3");
+    test->m_changedFlags = BackForwardListTest::CurrentItem | BackForwardListTest::AddedItem;
+    test->loadURI(uriPage3.data());
+    test->waitUntilLoadFinished();
+
+    test->m_changedFlags = BackForwardListTest::CurrentItem;
+    test->goBack();
+    test->waitUntilLoadFinished();
+
+    state = webkit_web_view_get_session_state(test->m_webView);
+    g_assert(state);
+
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 3);
+
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_nth_item(bfList, -1), "Page1", uriPage1.data(), uriPage1.data());
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_current_item(bfList), "Page2", uriPage2.data(), uriPage2.data());
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_nth_item(bfList, 1), "Page3", uriPage3.data(), uriPage3.data());
+
+    data = ""
+    g_assert(data);
+    webkit_web_view_session_state_unref(state);
+    state = webkit_web_view_session_state_new(data.get());
+    g_assert(state);
+
+    view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+    bfList = webkit_web_view_get_back_forward_list(view.get());
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 3);
+    webkit_web_view_session_state_unref(state);
+
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_nth_item(bfList, -1), "Page1", uriPage1.data(), uriPage1.data());
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_current_item(bfList), "Page2", uriPage2.data(), uriPage2.data());
+    BackForwardListTest::checkItem(webkit_back_forward_list_get_nth_item(bfList, 1), "Page3", uriPage3.data(), uriPage3.data());
+
+    static const char* invalidSessionData = "invalid session data";
+    data = "" strlen(invalidSessionData)));
+    g_assert(!webkit_web_view_session_state_new(data.get()));
+}
+
+static void testWebKitWebViewSessionStateWithFormData(BackForwardListTest* test, gconstpointer)
+{
+    GUniquePtr<char> htmlPath(g_build_filename(Test::getResourcesDir(Test::WebKit2Resources).data(), "simple-form.html", nullptr));
+    GUniquePtr<char> htmlURL(g_filename_to_uri(htmlPath.get(), nullptr, nullptr));
+    test->m_changedFlags = BackForwardListTest::CurrentItem | BackForwardListTest::AddedItem;
+    test->loadURI(htmlURL.get());
+    test->waitUntilLoadFinished();
+
+    webkit_web_view_run_javascript(test->m_webView, "submitForm();", nullptr, nullptr, nullptr);
+    test->waitUntilLoadFinished();
+
+    WebKitWebViewSessionState* state = webkit_web_view_get_session_state(test->m_webView);
+    g_assert(state);
+    GRefPtr<WebKitWebView> view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+    WebKitBackForwardList* bfList = webkit_web_view_get_back_forward_list(view.get());
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 2);
+    GRefPtr<GBytes> data = ""
+    g_assert(data);
+    state = webkit_web_view_session_state_new(data.get());
+    g_assert(state);
+    view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+    bfList = webkit_web_view_get_back_forward_list(view.get());
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 0);
+    webkit_web_view_restore_session_state(view.get(), state);
+    g_assert_cmpuint(webkit_back_forward_list_get_length(bfList), ==, 2);
+    webkit_web_view_session_state_unref(state);
+}
+
 void beforeAll()
 {
     kServer = new WebKitTestServer();
@@ -271,6 +373,8 @@
 
     BackForwardListTest::add("BackForwardList", "navigation", testBackForwardListNavigation);
     BackForwardListTest::add("BackForwardList", "list-limit-and-cache", testBackForwardListLimitAndCache);
+    BackForwardListTest::add("WebKitWebView", "session-state", testWebKitWebViewSessionState);
+    BackForwardListTest::add("WebKitWebView", "session-state-with-form-data", testWebKitWebViewSessionStateWithFormData);
 }
 
 void afterAll()
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