| // Copyright 2013 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 CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_ |
| #define CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_ |
| |
| #include "base/basictypes.h" |
| #include "chrome/browser/task_manager/resource_provider.h" |
| |
| namespace content { |
| class RenderViewHost; |
| } |
| |
| namespace task_manager { |
| |
| // Base class for various types of render process resources that provides common |
| // functionality like stats tracking. |
| class RendererResource : public Resource { |
| public: |
| RendererResource(base::ProcessHandle process, |
| content::RenderViewHost* render_view_host); |
| virtual ~RendererResource(); |
| |
| // Resource methods: |
| virtual base::string16 GetProfileName() const OVERRIDE; |
| virtual base::ProcessHandle GetProcess() const OVERRIDE; |
| virtual int GetUniqueChildProcessId() const OVERRIDE; |
| virtual Type GetType() const OVERRIDE; |
| virtual int GetRoutingID() const OVERRIDE; |
| |
| virtual bool ReportsCacheStats() const OVERRIDE; |
| virtual blink::WebCache::ResourceTypeStats GetWebCoreCacheStats() const |
| OVERRIDE; |
| virtual bool ReportsV8MemoryStats() const OVERRIDE; |
| virtual size_t GetV8MemoryAllocated() const OVERRIDE; |
| virtual size_t GetV8MemoryUsed() const OVERRIDE; |
| |
| // RenderResources always provide the network usage. |
| virtual bool SupportNetworkUsage() const OVERRIDE; |
| virtual void SetSupportNetworkUsage() OVERRIDE { } |
| |
| virtual void Refresh() OVERRIDE; |
| |
| virtual void NotifyResourceTypeStats( |
| const blink::WebCache::ResourceTypeStats& stats) OVERRIDE; |
| |
| virtual void NotifyV8HeapStats(size_t v8_memory_allocated, |
| size_t v8_memory_used) OVERRIDE; |
| |
| content::RenderViewHost* render_view_host() const { |
| return render_view_host_; |
| } |
| |
| private: |
| base::ProcessHandle process_; |
| int pid_; |
| int unique_process_id_; |
| |
| // RenderViewHost we use to fetch stats. |
| content::RenderViewHost* render_view_host_; |
| // The stats_ field holds information about resource usage in the renderer |
| // process and so it is updated asynchronously by the Refresh() call. |
| blink::WebCache::ResourceTypeStats stats_; |
| // This flag is true if we are waiting for the renderer to report its stats. |
| bool pending_stats_update_; |
| |
| // We do a similar dance to gather the V8 memory usage in a process. |
| size_t v8_memory_allocated_; |
| size_t v8_memory_used_; |
| bool pending_v8_memory_allocated_update_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RendererResource); |
| }; |
| |
| } // namespace task_manager |
| |
| #endif // CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_ |