Route selection bounds updates through WebLayerTreeView

public/web/WebSelection.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebWaitableEvent_h
-#define WebWaitableEvent_h
+#ifndef WebSelection_h
+#define WebSelection_h
 
-#include "WebCommon.h"
+#include "../platform/WebRect.h"
+#include "WebTextDirection.h"
 
 namespace blink {
 
-// Provides a thread synchronization that can be used to allow one thread to
-// wait until another thread to finish some work.
-class WebWaitableEvent {
-public:
-    virtual ~WebWaitableEvent() { }
+struct WebSelection {
+    enum Type {
+        TypeNone,
+        TypeInsertion,
+        TypeSelection,
+    };
 
-    // Waits indefinitely for the event to be signaled.
-    virtual void wait() = 0;
+    WebSelection()
+        : type(TypeNone)
+        , anchorLayerId(0)
+        , anchorDirection(WebTextDirectionDefault)
+        , focusLayerId(0)
+        , focusDirection(WebTextDirectionDefault)
+        , anchorIsFirst(true) { }
 
-    // Puts the event in the signaled state. Causing any thread blocked on Wait
-    // to be woken up. The event state is reset to non-signaled after
-    // a waiting thread has been released.
-    virtual void signal() = 0;
+    Type type;
+
+    int anchorLayerId;
+    WebRect anchorRectInLayer;
+    WebTextDirection anchorDirection;
+
+    int focusLayerId;
+    WebRect focusRectInLayer;
+    WebTextDirection focusDirection;
+
+    bool anchorIsFirst;

[abarth-chromium, 2014/06/13 21:38:15]

I would have expected this state to hang off whichever layer has the selection
handles.

What happens if the selection spans multiple cc::Layers?

[jdduke (slow), 2014/06/20 17:15:59]

That's why each handle gets a specific (potentially different) layer assignment.

 };
 
 } // namespace blink
 
-#endif // WebWaitableEvent_h
+#endif