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    2011-05-13 Daniel Cheng <dcheng@chromium.org> · 0eb6dc60
    dcheng@chromium.org authored
            Reviewed by Tony Chang.
    
            Improve drag start logic
            https://bugs.webkit.org/show_bug.cgi?id=59409
    
            Add a new test to test drag start edge cases on Mac (because of a non-zero text drag delay)
            as well as rebase an existing test.
    
            * fast/css/user-drag-none.html: Text nodes are no longer draggable.
            * platform/mac/editing/pasteboard/drag-selections-to-contenteditable-expected.txt: Added.
            * platform/mac/editing/pasteboard/drag-selections-to-contenteditable.html: Added.
    2011-05-13  Daniel Cheng  <dcheng@chromium.org>
    
            Reviewed by Tony Chang.
    
            Improve drag start logic
            https://bugs.webkit.org/show_bug.cgi?id=59409
    
            Rewrite and simplify the dragging logic to better match IE, Firefox, and the behavior
            defined in the spec. Among other things:
            - draggableNode() no longer returns text nodes when dragging anchors.
            - When starting a drag over an image in a selection, prefer to drag the selection.
            - Several redundant hit tests have been removed.
            - Minor refactoring to make the logic easier to follow.
    
            Test: platform/mac/editing/pasteboard/drag-selections-to-contenteditable.html
    
            * WebCore.xcodeproj/project.pbxproj:
            * page/DragController.cpp:
            (WebCore::DragController::draggableNode):
            (WebCore::DragController::startDrag):
            * page/DragController.h:
            * page/DragState.h:
            (WebCore::DragState::shouldDispatchEvents):
            * page/EventHandler.cpp:
            (WebCore::EventHandler::EventHandler):
            (WebCore::EventHandler::eventMayStartDrag):
            (WebCore::EventHandler::updateDragSourceActionsAllowed):
            (WebCore::EventHandler::updateDragAndDrop):
            (WebCore::EventHandler::cancelDragAndDrop):
            (WebCore::EventHandler::dragHysteresisExceeded):
            (WebCore::EventHandler::dragSourceEndedAt):
            (WebCore::ExactlyOneBitSet):
            (WebCore::EventHandler::handleDrag):
            * page/EventHandler.h:
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@86472 268f45cc-cd09-0410-ab3c-d52691b4dbfc
    0eb6dc60
ChangeLog 1.92 MiB