From ac768b3e5cce05e463b8ff97243ff13f7119844a Mon Sep 17 00:00:00 2001
From: Jaakko Keränen <jaakko.keranen@iki.fi>
Date: Fri, 15 Jan 2021 19:00:55 +0200
Subject: "about:debug" shows cache information

IssueID #109
---
 src/app.c     | 25 ++++++++++++++++---------
 src/history.c | 32 ++++++++++++++++++++++++++++++++
 src/history.h |  2 ++
 3 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/src/app.c b/src/app.c
index d884d203..8ee09651 100644
--- a/src/app.c
+++ b/src/app.c
@@ -323,11 +323,10 @@ static void saveState_App_(const iApp *d) {
         writeData_File(f, magicState_App_, 4);
         writeU32_File(f, latest_FileVersion); /* version */
         iConstForEach(ObjectList, i, iClob(listDocuments_App())) {
-            if (isInstance_Object(i.object, &Class_DocumentWidget)) {
-                writeData_File(f, magicTabDocument_App_, 4);
-                write8_File(f, document_App() == i.object ? 1 : 0);
-                serializeState_DocumentWidget(i.object, stream_File(f));
-            }
+            iAssert(isInstance_Object(i.object, &Class_DocumentWidget));
+            writeData_File(f, magicTabDocument_App_, 4);
+            write8_File(f, document_App() == i.object ? 1 : 0);
+            serializeState_DocumentWidget(i.object, stream_File(f));
         }
     }
     iRelease(f);
@@ -500,14 +499,22 @@ const iString *debugInfo_App(void) {
     iApp *d = &app_;
     iString *msg = collectNew_String();
     format_String(msg, "# Debug information\n");
-    appendFormat_String(msg, "## Launch arguments\n");
+    appendFormat_String(msg, "## Documents\n");
+    iForEach(ObjectList, k, listDocuments_App()) {
+        iDocumentWidget *doc = k.object;
+        appendFormat_String(msg, "### Tab %zu: %s\n",
+                            childIndex_Widget(constAs_Widget(doc)->parent, k.object),
+                            cstr_String(bookmarkTitle_DocumentWidget(doc)));
+        append_String(msg, collect_String(debugInfo_History(history_DocumentWidget(doc))));
+    }
+    appendFormat_String(msg, "## Launch arguments\n```\n");
     iConstForEach(StringList, i, args_CommandLine(&d->args)) {
-        appendFormat_String(msg, "* %zu: %s\n", i.pos, cstr_String(i.value));
+        appendFormat_String(msg, "%3zu : %s\n", i.pos, cstr_String(i.value));
     }
-    appendFormat_String(msg, "## Launch commands\n");
+    appendFormat_String(msg, "```\n## Launch commands\n");
     iConstForEach(StringList, j, d->launchCommands) {
         appendFormat_String(msg, "%s\n", cstr_String(j.value));
-    }
+    }    
     appendFormat_String(msg, "## MIME hooks\n");
     append_String(msg, debugInfo_MimeHooks(d->mimehooks));
     return msg;
diff --git a/src/history.c b/src/history.c
index 562c23bf..202549a9 100644
--- a/src/history.c
+++ b/src/history.c
@@ -86,6 +86,38 @@ iHistory *copy_History(const iHistory *d) {
     return copy;
 }
 
+iString *debugInfo_History(const iHistory *d) {
+    iString *str = new_String();
+    format_String(str,
+                  "```\n"
+                  "Idx |    Size | SP%% | URL\n"
+                  "----+---------+-----+-----\n");
+    size_t totalSize = 0;
+    iConstForEach(Array, i, &d->recent) {
+        const iRecentUrl *item = i.value;
+        appendFormat_String(
+            str, " %2zu | ", size_Array(&d->recent) - index_ArrayConstIterator(&i) - 1);
+        if (item->cachedResponse) {
+            appendFormat_String(str, "%7zu", size_Block(&item->cachedResponse->body));
+            totalSize += size_Block(&item->cachedResponse->body);
+        }
+        else {
+            appendFormat_String(str, "     --");
+        }
+        appendFormat_String(str,
+                            " | %3d | %s\n",
+                            iRound(100.0f * item->normScrollY),
+                            cstr_String(&item->url));
+    }
+    appendFormat_String(str, "\n```\n");
+    appendFormat_String(str,
+                        "Total cached data: %.3f MB\n"
+                        "Navigation position: %zu\n\n",
+                        totalSize / 1.0e6f,
+                        d->recentPos);
+    return str;
+}
+
 void serialize_History(const iHistory *d, iStream *outs) {
     lock_Mutex(d->mtx);
     writeU16_Stream(outs, d->recentPos);
diff --git a/src/history.h b/src/history.h
index 41005d02..4c6507e3 100644
--- a/src/history.h
+++ b/src/history.h
@@ -68,3 +68,5 @@ const iRecentUrl *
 const iGmResponse *
             cachedResponse_History      (const iHistory *);
 
+iString *   debugInfo_History           (const iHistory *);
+
-- 
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