Add GetTargetBounds to window/layer.

 This is necessary for WindowManager to deterimne the window's  layout even when window is animating.

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/8357023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@106438 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 10 insertions, 0 deletions

diff --git a/ui/gfx/compositor/layer.cc b/ui/gfx/compositor/layer.cc
index 8266bff..34444ec 100644
--- a/ui/gfx/compositor/layer.cc
+++ b/ui/gfx/compositor/layer.cc
@@ -136,6 +136,12 @@ void Layer::SetBounds(const gfx::Rect& bounds) {
   SetBoundsImmediately(bounds);
 }
 
+gfx::Rect Layer::GetTargetBounds() const {
+  if (animator_.get() && animator_->IsRunning())
+    return gfx::Rect(animator_->GetTargetPoint(), bounds_.size());
+  return bounds_;
+}
+
 void Layer::SetOpacity(float opacity) {
   StopAnimatingIfNecessary(LayerAnimator::OPACITY);
   if (animator_.get() && animator_->IsRunning()) {
diff --git a/ui/gfx/compositor/layer.h b/ui/gfx/compositor/layer.h
index c449e88..86ae4fd 100644
--- a/ui/gfx/compositor/layer.h
+++ b/ui/gfx/compositor/layer.h
@@ -97,6 +97,10 @@ class COMPOSITOR_EXPORT Layer : public LayerAnimatorDelegate {
   void SetBounds(const gfx::Rect& bounds);
   const gfx::Rect& bounds() const { return bounds_; }
 
+  // Return the target bounds if animator is running, or the current bounds
+  // otherwise.
+  gfx::Rect GetTargetBounds() const;
+
   // The opacity of the layer. The opacity is applied to each pixel of the
   // texture (resulting alpha = opacity * alpha).
   float opacity() const { return opacity_; }