Plugin Power Saver: Throttle 'large' plugins that appear small.

content/renderer/pepper/pepper_plugin_instance_impl.h

 // Copyright (c) 2012 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_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 191 matching lines @@
 
   // PPP_Instance and PPP_Instance_Private.
   bool Initialize(const std::vector<std::string>& arg_names,
                   const std::vector<std::string>& arg_values,
                   bool full_frame,
                   scoped_ptr<PluginInstanceThrottlerImpl> throttler);
   bool HandleDocumentLoad(const blink::WebURLResponse& response);
   bool HandleInputEvent(const blink::WebInputEvent& event,
                         blink::WebCursorInfo* cursor_info);
   PP_Var GetInstanceObject(v8::Isolate* isolate);
-  void ViewChanged(const gfx::Rect& position,
+  void ViewChanged(const gfx::Rect& window,
                    const gfx::Rect& clip,
+                   const gfx::Rect& unobscured,
                    const std::vector<gfx::Rect>& cut_outs_rects);
 
   // Handlers for composition events.
   bool HandleCompositionStart(const base::string16& text);
   bool HandleCompositionUpdate(
       const base::string16& text,
       const std::vector<blink::WebCompositionUnderline>& underlines,
       int selection_start,
       int selection_end);
   bool HandleCompositionEnd(const base::string16& text);
@@ skipping 511 matching lines @@
 
   // Indicates whether this is a full frame instance, which means it represents
   // an entire document rather than an embed tag.
   bool full_frame_;
 
   // Stores the current state of the plugin view.
   ppapi::ViewData view_data_;
   // The last state sent to the plugin. It is only valid after
   // |sent_initial_did_change_view_| is set to true.
   ppapi::ViewData last_sent_view_data_;
+  // The current unobscured portion of the plugin.
+  gfx::Rect unobscured_;

[piman, 2015/04/01 01:02:41]

nit: maybe unobscured_rect_?
unobscured_ sounds like a bool.

[tommycli, 2015/04/01 18:55:28]

Done.

 
   // Indicates if we've ever sent a didChangeView to the plugin. This ensures we
   // always send an initial notification, even if the position and clip are the
   // same as the default values.
   bool sent_initial_did_change_view_;
 
   // The current device context for painting in 2D, 3D or compositor.
   scoped_refptr<PPB_Graphics3D_Impl> bound_graphics_3d_;
   PepperGraphics2DHost* bound_graphics_2d_platform_;
   PepperCompositorHost* bound_compositor_;
@@ skipping 178 matching lines @@
   // view change events.
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_