Ticket #3825: URL-linkification-in-People.patch

src/apps/people/AttributeTextControl.cpp

@@ -4 +4 @@
  *
  * Authors:
  *      Robert Polic
+ *      Alexander Sulfrian
  *
  * Copyright 1999, Be Incorporated.   All Rights Reserved.
  * This file may be used under the terms of the Be Sample Code License.
@@ -12 +13 @@
 
 #include "AttributeTextControl.h"
 
+#include <Roster.h>
+#include <Cursor.h>
+#include <StorageKit.h>
+
 #include <string.h>
 #include <malloc.h>
 
@@ -23 +28 @@
 #define B_TRANSLATE_CONTEXT "People"
 
 
+#ifndef B_URL_MIME
+#define B_URL_MIME  "application/x-vnd.Be.URL."
+#endif
+
+
 AttributeTextControl::AttributeTextControl(const char* label,
         const char* attribute)
     :
@@ -42 +52 @@
 }
 
 
+void
+AttributeTextControl::MouseDown(BPoint mousePosition)
+{
+    if(_VisibleLabelBounds().Contains(mousePosition) && _ContainsUrl())
+        _HandleLabelClicked(Text());
+    else
+        BTextControl::MouseDown(mousePosition);
+}
+
+
+void
+AttributeTextControl::MouseMoved(BPoint mousePosition, uint32 transit, const BMessage* dragMessage)
+{
+    if (_VisibleLabelBounds().Contains(mousePosition) && _ContainsUrl()) {
+        BCursor linkCursor(B_CURSOR_ID_FOLLOW_LINK);
+        SetViewCursor(&linkCursor, true);
+    } else
+        SetViewCursor(B_CURSOR_SYSTEM_DEFAULT, true);
+
+    BTextControl::MouseMoved(mousePosition, transit, dragMessage);
+}
+
+
 bool
 AttributeTextControl::HasChanged()
 {
@@ -62 +95 @@
 {
     fOriginalValue = Text();
 }
+
+
+void
+AttributeTextControl::_HandleLabelClicked(const char *text)
+{
+    BString argument(text);
+
+    if (Attribute() == "META:url") {
+        _MakeUniformUrl(argument);
+
+        BString mimeType = B_URL_MIME;
+        _BuildMimeString(mimeType, argument);
+
+        if (mimeType != "") {
+            const char *args[] = {argument.String(), 0};
+            be_roster->Launch(mimeType.String(), 1, const_cast<char**>(args));
+        }
+    }
+    else if (Attribute() == "META:email") {
+        if (argument.IFindFirst("mailto:") != 0 && argument != "")
+            argument.Prepend("mailto:");
+
+        // TODO: Could check for possible e-mail patterns.
+        if (argument != "") {
+            const char *args[] = {argument.String(), 0};
+            be_roster->Launch("text/x-email", 1, const_cast<char**>(args));
+        }
+    }
+}
+
+
+const BString&
+AttributeTextControl::_MakeUniformUrl(BString &url) const
+{
+    if (url.IFindFirst("www") == 0)
+        url.Prepend("http://");
+    else if (url.IFindFirst("ftp") == 0)
+        url.Prepend("ftp://");
+
+    return url;
+}
+
+
+const BString&
+AttributeTextControl::_BuildMimeString(BString &mimeType,
+                                       const BString &url) const
+{
+    if (url.IFindFirst("http://") == 0
+        || url.IFindFirst("ftp://") == 0
+        || url.IFindFirst("https://") == 0) {
+
+        mimeType.Append(url, url.FindFirst(':'));
+    }
+
+    if (!BMimeType::IsValid(mimeType.String()))
+        mimeType = "";
+
+    return mimeType;
+}
+
+
+bool
+AttributeTextControl::_ContainsUrl() const
+{
+    BString argument(Text());
+
+    if (Attribute() == "META:url") {
+        BString mimeType = B_URL_MIME;
+        if (_BuildMimeString(mimeType, _MakeUniformUrl(argument)) != "")
+            return true;
+    }
+    else if (Attribute() == "META:email") {
+        if (argument != "")
+            return true;
+    }
+
+    return false;
+}
+
+
+BRect
+AttributeTextControl::_VisibleLabelBounds() const
+{
+    // TODO: Could actually check current alignment of the label.
+    // The code below works only for right aligned labels.
+    BRect bounds(Bounds());
+    bounds.right = Divider();
+    bounds.left = bounds.right - StringWidth(Label());
+    return bounds;
+}

src/apps/people/AttributeTextControl.h

@@ -4 +4 @@
  *
  * Authors:
  *      Robert Polic
+ *      Alexander Sulfrian
  *
  * Copyright 1999, Be Incorporated.   All Rights Reserved.
  * This file may be used under the terms of the Be Sample Code License.
@@ -21 +22 @@
                                     const char* attribute);
     virtual                     ~AttributeTextControl();
 
+    virtual void                MouseDown(BPoint);
+    virtual void                MouseMoved(BPoint, uint32, const BMessage*);
             bool                HasChanged();
             void                Revert();
             void                Update();
@@ -29 +32 @@
                                     { return fAttribute; }
 
 private:
+            const BString&      _MakeUniformUrl(BString &url) const;
+            const BString&      _BuildMimeString(BString &mimeType,
+                                    const BString &url) const;
+
+            bool                _ContainsUrl() const;
+
+            BRect               _VisibleLabelBounds() const;
+            void                _HandleLabelClicked(const char*);
+
             BString             fAttribute;
             BString             fOriginalValue;
 };