1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "base/memory/weak_ptr.h" 10 #include "base/time/time.h" 11 #include "content/browser/compositor/resize_lock.h" 12 13 namespace aura { 14 class WindowTreeHost; 15 } 16 namespace ui { 17 class CompositorLock; 18 } 19 20 namespace content { 21 22 // Used to prevent further resizes while a resize is pending. 23 class CompositorResizeLock : public ResizeLock { 24 public: 25 CompositorResizeLock(aura::WindowTreeHost* host, 26 const gfx::Size new_size, 27 bool defer_compositor_lock, 28 const base::TimeDelta& timeout); 29 virtual ~CompositorResizeLock(); 30 31 virtual bool GrabDeferredLock() OVERRIDE; 32 virtual void UnlockCompositor() OVERRIDE; 33 34 protected: 35 virtual void LockCompositor() OVERRIDE; 36 void CancelLock(); 37 38 private: 39 aura::WindowTreeHost* host_; 40 scoped_refptr<ui::CompositorLock> compositor_lock_; 41 bool cancelled_; 42 43 base::WeakPtrFactory<CompositorResizeLock> weak_ptr_factory_; 44 45 DISALLOW_COPY_AND_ASSIGN(CompositorResizeLock); 46 }; 47 48 } // namespace content 49 50 #endif // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_ 51