Bug 559993. Scroll the whole selection into view, not just the focus point when finding on a page. r=roc a=blocking-final+

browser/base/content/test/Makefile.in

@@ -199,6 +199,7 @@ _BROWSER_FILES = \
                  browser_tab_dragdrop2_frame1.xul \
                  browser_tabfocus.js \
                  browser_tabs_owner.js \
+                 browser_visibleFindSelection.js \
                  browser_visibleTabs.js \
                  browser_visibleTabs_contextMenu.js \
                  browser_visibleTabs_bookmarkAllPages.js \

browser/base/content/test/browser_visibleFindSelection.js

@@ -0,0 +1,39 @@
+
+function test() {
+  waitForExplicitFinish();
+
+  let tab = gBrowser.addTab();
+  gBrowser.selectedTab = tab;
+  tab.linkedBrowser.addEventListener("load", function(aEvent) {
+    tab.linkedBrowser.removeEventListener("load", arguments.callee, true);
+
+    ok(true, "Load listener called");
+    waitForFocus(onFocus, content);
+  }, true);
+
+  content.location = "data:text/html,<div style='position: absolute; left: 2200px; background: green; width: 200px; height: 200px;'>div</div><div style='position: absolute; left: 0px; background: red; width: 200px; height: 200px;'><span id='s'>div</span></div>";
+}
+
+function onFocus() {
+  EventUtils.synthesizeKey("f", { accelKey: true });
+  ok(gFindBarInitialized, "find bar is now initialized");
+
+  EventUtils.synthesizeKey("d", {});
+  EventUtils.synthesizeKey("i", {});
+  EventUtils.synthesizeKey("v", {});
+  // finds the div in the green box
+
+  EventUtils.synthesizeKey("g", { accelKey: true });
+  // finds the div in the red box
+
+  var rect = content.document.getElementById("s").getBoundingClientRect();
+  ok(rect.left >= 0, "scroll should include find result");
+
+  // clear the find bar
+  EventUtils.synthesizeKey("a", { accelKey: true });
+  EventUtils.synthesizeKey("VK_DELETE", { });
+
+  gFindBar.close();
+  gBrowser.removeCurrentTab();
+  finish();
+}

content/base/public/nsISelectionController.idl

@@ -67,7 +67,8 @@ interface nsISelectionController : nsISelectionDisplay
 
    const short SELECTION_ANCHOR_REGION = 0;
    const short SELECTION_FOCUS_REGION = 1;
-   const short NUM_SELECTION_REGIONS = 2;
+   const short SELECTION_WHOLE_SELECTION = 2;
+   const short NUM_SELECTION_REGIONS = 3;
 
    const short SELECTION_OFF = 0;
    const short SELECTION_HIDDEN =1;//>HIDDEN displays selection

embedding/components/find/src/nsWebBrowserFind.cpp

@@ -451,7 +451,7 @@ void nsWebBrowserFind::SetSelectionAndScroll(nsIDOMWindow* aWindow,
     // flushed and PresShell/PresContext/Frames may be dead. See bug 418470.
     selCon->ScrollSelectionIntoView
       (nsISelectionController::SELECTION_NORMAL,
-       nsISelectionController::SELECTION_FOCUS_REGION,
+       nsISelectionController::SELECTION_WHOLE_SELECTION,
        nsISelectionController::SCROLL_SYNCHRONOUS);
   }
 }

layout/generic/nsSelection.cpp

@@ -198,9 +198,16 @@ public:
   // utility methods for scrolling the selection into view
   nsresult      GetPresContext(nsPresContext **aPresContext);
   nsresult      GetPresShell(nsIPresShell **aPresShell);
-  // Returns the position of the region, and frame that that position is relative
-  // to. The 'position' is a zero-width rectangle.
+  // Returns a rect containing the selection region, and frame that that
+  // position is relative to. For SELECTION_ANCHOR_REGION or
+  // SELECTION_FOCUS_REGION the rect is a zero-width rectangle. For
+  // SELECTION_WHOLE_SELECTION the rect contains both the anchor and focus
+  // region rects.
   nsIFrame*     GetSelectionAnchorGeometry(SelectionRegion aRegion, nsRect *aRect);
+  // Returns the position of the region (SELECTION_ANCHOR_REGION or
+  // SELECTION_FOCUS_REGION only), and frame that that position is relative to.
+  // The 'position' is a zero-width rectangle.
+  nsIFrame*     GetSelectionEndPointGeometry(SelectionRegion aRegion, nsRect *aRect);
 
   nsresult      PostScrollSelectionIntoViewEvent(SelectionRegion aRegion, PRBool aFirstAncestorOnly);
   enum {
@@ -5509,6 +5516,52 @@ nsTypedSelection::GetSelectionAnchorGeometry(SelectionRegion aRegion,
 
   aRect->SetRect(0, 0, 0, 0);
 
+  switch (aRegion) {
+    case nsISelectionController::SELECTION_ANCHOR_REGION:
+    case nsISelectionController::SELECTION_FOCUS_REGION:
+      return GetSelectionEndPointGeometry(aRegion, aRect);
+      break;
+    case nsISelectionController::SELECTION_WHOLE_SELECTION:
+      break;
+    default:
+      return nsnull;
+  }
+
+  NS_ASSERTION(aRegion == nsISelectionController::SELECTION_WHOLE_SELECTION,
+    "should only be SELECTION_WHOLE_SELECTION here");
+
+  nsRect anchorRect;
+  nsIFrame* anchorFrame = GetSelectionEndPointGeometry(
+    nsISelectionController::SELECTION_ANCHOR_REGION, &anchorRect);
+  if (!anchorFrame)
+    return nsnull;
+
+  nsRect focusRect;
+  nsIFrame* focusFrame = GetSelectionEndPointGeometry(
+    nsISelectionController::SELECTION_FOCUS_REGION, &focusRect);
+  if (!focusFrame)
+    return nsnull;
+
+  NS_ASSERTION(anchorFrame->PresContext() == focusFrame->PresContext(),
+    "points of selection in different documents?");
+  // make focusRect relative to anchorFrame
+  focusRect += focusFrame->GetOffsetTo(anchorFrame);
+
+  aRect->UnionRectIncludeEmpty(anchorRect, focusRect);
+  return anchorFrame;
+}
+
+nsIFrame *
+nsTypedSelection::GetSelectionEndPointGeometry(SelectionRegion aRegion,
+                                               nsRect *aRect)
+{
+  if (!mFrameSelection)
+    return nsnull;  // nothing to do
+
+  NS_ENSURE_TRUE(aRect, nsnull);
+
+  aRect->SetRect(0, 0, 0, 0);
+
   nsINode    *node       = nsnull;
   PRInt32     nodeOffset = 0;
   nsIFrame   *frame      = nsnull;

toolkit/components/typeaheadfind/src/nsTypeAheadFind.cpp

@@ -562,7 +562,7 @@ nsTypeAheadFind::FindItNow(nsIPresShell *aPresShell, PRBool aIsLinksOnly,
         SetSelectionModeAndRepaint(nsISelectionController::SELECTION_ATTENTION);
         selectionController->ScrollSelectionIntoView(
           nsISelectionController::SELECTION_NORMAL, 
-          nsISelectionController::SELECTION_FOCUS_REGION,
+          nsISelectionController::SELECTION_WHOLE_SELECTION,
           nsISelectionController::SCROLL_SYNCHRONOUS);
       }