CC: Add a scheduled action for ManageTiles

cc/scheduler/scheduler.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_SCHEDULER_SCHEDULER_H_
 #define CC_SCHEDULER_SCHEDULER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 24 matching lines @@
   virtual void SetNeedsBeginFrameOnImplThread(bool enable) = 0;
   virtual void ScheduledActionSendBeginFrameToMainThread() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndSwapIfPossible() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndSwapForced() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndReadback() = 0;
   virtual void ScheduledActionCommit() = 0;
   virtual void ScheduledActionUpdateVisibleTiles() = 0;
   virtual void ScheduledActionActivatePendingTree() = 0;
   virtual void ScheduledActionBeginOutputSurfaceCreation() = 0;
   virtual void ScheduledActionAcquireLayerTexturesForMainThread() = 0;
+  virtual void ScheduledActionManageTiles() = 0;
   virtual void DidAnticipatedDrawTimeChange(base::TimeTicks time) = 0;
   virtual base::TimeDelta DrawDurationEstimate() = 0;
   virtual base::TimeDelta BeginFrameToCommitDurationEstimate() = 0;
   virtual base::TimeDelta CommitToActivateDurationEstimate() = 0;
 
  protected:
   virtual ~SchedulerClient() {}
 };
 
 class CC_EXPORT Scheduler {
@@ skipping 13 matching lines @@
   void NotifyReadyToActivate();
 
   void SetNeedsCommit();
 
   // Like SetNeedsCommit(), but ensures a commit will definitely happen even if
   // we are not visible. Will eventually result in a forced draw internally.
   void SetNeedsForcedCommitForReadback();
 
   void SetNeedsRedraw();
 
+  void SetNeedsManageTiles();
+
   void SetMainThreadNeedsLayerTextures();
 
   void SetSwapUsedIncompleteTile(bool used_incomplete_tile);
 
   void FinishCommit();
   void BeginFrameAbortedByMainThread(bool did_handle);
 
   void DidLoseOutputSurface();
   void DidCreateAndInitializeOutputSurface();
   bool HasInitializedOutputSurface() const {
     return state_machine_.HasInitializedOutputSurface();
   }
 
   bool CommitPending() const { return state_machine_.CommitPending(); }
   bool RedrawPending() const { return state_machine_.RedrawPending(); }
+  bool ManageTilesPending() const {
+    return state_machine_.ManageTilesPending();
+  }
 
   bool WillDrawIfNeeded() const;
 
   base::TimeTicks AnticipatedDrawTime();
 
   base::TimeTicks LastBeginFrameOnImplThreadTime();
 
   void BeginFrame(const BeginFrameArgs& args);
   void PollForAnticipatedDrawTriggers();
 
   scoped_ptr<base::Value> StateAsValue() {
     return state_machine_.AsValue().Pass();
   }
 
+  bool IsInsideAction(SchedulerStateMachine::Action action) {
+    return inside_action_ == action;
+  }
+
  private:
   Scheduler(SchedulerClient* client,
             const SchedulerSettings& scheduler_settings);
 
   void SetupNextBeginFrameIfNeeded();
   void DrawAndSwapIfPossible();
   void DrawAndSwapForced();
   void DrawAndReadback();
   void ProcessScheduledActions();
 
   const SchedulerSettings settings_;
   SchedulerClient* client_;
 
   base::WeakPtrFactory<Scheduler> weak_factory_;
   bool last_set_needs_begin_frame_;
   bool has_pending_begin_frame_;
   BeginFrameArgs last_begin_frame_args_;
   base::CancelableClosure poll_for_draw_triggers_closure_;
 
   SchedulerStateMachine state_machine_;
   bool inside_process_scheduled_actions_;
+  SchedulerStateMachine::Action inside_action_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_