render_thread.h revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/shared_memory.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/content_export.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_channel_proxy.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_sender.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h> 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MessageLoop; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MessageLoopProxy; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace IPC { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SyncChannel; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SyncMessageFilter; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace v8 { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Extension; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderProcessObserver; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ResourceDispatcherDelegate; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CONTENT_EXPORT RenderThread : public IPC::Sender { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the one render thread for this process. Note that this can only 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be accessed when running on the render thread itself. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static RenderThread* Get(); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RenderThread(); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~RenderThread(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual MessageLoop* GetMessageLoop() = 0; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual IPC::SyncChannel* GetChannel() = 0; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual std::string GetLocale() = 0; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual IPC::SyncMessageFilter* GetSyncMessageFilter() = 0; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy() = 0; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called to add or remove a listener for a particular message routing ID. 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These methods normally get delegated to a MessageRouter. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void AddRoute(int32 routing_id, IPC::Listener* listener) = 0; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void RemoveRoute(int32 routing_id) = 0; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int GenerateRoutingID() = 0; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These map to IPC::ChannelProxy methods. 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void AddFilter(IPC::ChannelProxy::MessageFilter* filter) = 0; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) = 0; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetOutgoingMessageFilter( 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC::ChannelProxy::OutgoingMessageFilter* filter) = 0; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add/remove observers for the process. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void AddObserver(RenderProcessObserver* observer) = 0; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void RemoveObserver(RenderProcessObserver* observer) = 0; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set the ResourceDispatcher delegate object for this process. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetResourceDispatcherDelegate( 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResourceDispatcherDelegate* delegate) = 0; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called by a RenderWidget when it is hidden or restored. 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void WidgetHidden() = 0; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void WidgetRestored() = 0; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We initialize WebKit as late as possible. Call this to force 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // initialization. 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void EnsureWebKitInitialized() = 0; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Helper function to send over a string to be recorded by user metrics 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void RecordUserMetrics(const std::string& action) = 0; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Asks the host to create a block of shared memory for the renderer. 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The shared memory handle allocated by the host is returned back. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual base::SharedMemoryHandle HostAllocateSharedMemoryBuffer( 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 buffer_size) = 0; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Registers the given V8 extension with WebKit. 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void RegisterExtension(v8::Extension* extension) = 0; 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Schedule a call to IdleHandler with the given initial delay. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ScheduleIdleHandler(int64 initial_delay_ms) = 0; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A task we invoke periodically to assist with idle cleanup. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void IdleHandler() = 0; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Get/Set the delay for how often the idle handler is called. 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int64 GetIdleNotificationDelayInMs() const = 0; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetIdleNotificationDelayInMs( 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int64 idle_notification_delay_in_ms) = 0; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Suspend/resume the webkit timer for this renderer. 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ToggleWebKitSharedTimer(bool suspend) = 0; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void UpdateHistograms(int sequence_number) = 0; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Request that the given font be loaded by the browser so it's cached by the 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // OS. Please see ChildProcessHost::PreCacheFont for details. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void PreCacheFont(const LOGFONT& log_font) = 0; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Release cached font. 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ReleaseCachedFonts() = 0; 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_ 121