[Android] Use the platform SwipeRefreshLayout

content/browser/android/overscroll_controller_android.h

 // Copyright 2014 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 CONTENT_BROWSER_ANDROID_OVERSCROLL_CONTROLLER_ANDROID_H_
 #define CONTENT_BROWSER_ANDROID_OVERSCROLL_CONTROLLER_ANDROID_H_
 
 #include "base/time/time.h"
 #include "content/browser/android/overscroll_glow.h"
 #include "content/browser/android/overscroll_refresh.h"
 #include "content/common/input/input_event_ack_state.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace blink {
 class WebGestureEvent;
 }
 
 namespace cc {
 class CompositorFrameMetadata;
 class Layer;
 }
 
 namespace ui {
 class WindowAndroidCompositor;
 }
 
 namespace content {
 
+class ContentViewCoreImpl;
 struct DidOverscrollParams;
 
 // Glue class for handling all inputs into Android-specific overscroll effects,
 // both the passive overscroll glow and the active overscroll pull-to-refresh.
 // Note that all input coordinates (both for events and overscroll) are in DIPs.
 class OverscrollControllerAndroid : public OverscrollGlowClient,
-                                    public OverscrollRefreshClient,
                                     public WebContentsObserver {
  public:
-  OverscrollControllerAndroid(WebContents* web_contents,
-                              ui::WindowAndroidCompositor* compositor,
-                              float dpi_scale);
+  explicit OverscrollControllerAndroid(ContentViewCoreImpl* content_view_core);
   ~OverscrollControllerAndroid() override;
 
   // Returns true if |event| is consumed by an overscroll effect, in which
   // case it should cease propagation.
   bool WillHandleGestureEvent(const blink::WebGestureEvent& event);
 
   // To be called upon receipt of a gesture event ack.
   void OnGestureEventAck(const blink::WebGestureEvent& event,
                          InputEventAckState ack_result);
 
   // To be called upon receipt of an overscroll event.
   void OnOverscrolled(const DidOverscrollParams& overscroll_params);
 
   // Returns true if the effect still needs animation ticks.
   // Note: The effect will detach itself when no further animation is required.
   bool Animate(base::TimeTicks current_time, cc::Layer* parent_layer);
 
   // To be called whenever the content frame has been updated.
   void OnFrameMetadataUpdated(const cc::CompositorFrameMetadata& metadata);
 
   // Toggle activity of any overscroll effects. When disabled, events will be
   // ignored until the controller is re-enabled.
   void Enable();
   void Disable();
 
  private:
   // WebContentsObserver implementation.
-  void DidNavigateMainFrame(const LoadCommittedDetails& details,
-                            const FrameNavigateParams& params) override;
   void DidToggleFullscreenModeForTab(bool entered_fullscreen) override;
 
-  // OverscrollRefreshClient implementation.
-  void TriggerRefresh() override;
-  bool IsStillRefreshing() const override;
-
   // OverscrollGlowClient implementation.
   scoped_ptr<EdgeEffectBase> CreateEdgeEffect() override;
 
   void SetNeedsAnimate();
 
-  ui::WindowAndroidCompositor* compositor_;
+  ui::WindowAndroidCompositor* const compositor_;
   const float dpi_scale_;
 
   bool enabled_;
 
   // TODO(jdduke): Factor out a common API from the two overscroll effects.
   scoped_ptr<OverscrollGlow> glow_effect_;
   scoped_ptr<OverscrollRefresh> refresh_effect_;
-  bool triggered_refresh_active_;
+  bool has_initialized_refresh_effect_;
   bool is_fullscreen_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscrollControllerAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_OVERSCROLL_CONTROLLER_ANDROID_H_