DevTools: Protocol handler generator for content

content/browser/devtools/render_view_devtools_agent_host.cc

 // 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.
 
 #include "content/browser/devtools/render_view_devtools_agent_host.h"
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/devtools_manager_impl.h"
 #include "content/browser/devtools/devtools_power_handler.h"
 #include "content/browser/devtools/devtools_protocol.h"
 #include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/browser/devtools/devtools_tracing_handler.h"
+#include "content/browser/devtools/protocol/devtools_protocol_handler.h"
 #include "content/browser/devtools/renderer_overrides_handler.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/devtools_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 76 matching lines @@
   WebContents* web_contents = WebContents::FromRenderViewHost(pending);
   RenderViewDevToolsAgentHost* agent_host = FindAgentHost(web_contents);
   if (!agent_host)
     return;
   agent_host->DisconnectRenderViewHost();
   agent_host->ConnectRenderViewHost(current);
 }
 
 RenderViewDevToolsAgentHost::RenderViewDevToolsAgentHost(RenderViewHost* rvh)
     : render_view_host_(NULL),
+      handler_impl_(new DevToolsProtocolHandlerImpl()),
       overrides_handler_(new RendererOverridesHandler()),
       tracing_handler_(
           new DevToolsTracingHandler(DevToolsTracingHandler::Renderer)),
       power_handler_(new DevToolsPowerHandler()),
       reattaching_(false) {
   SetRenderViewHost(rvh);
   DevToolsProtocol::Notifier notifier(base::Bind(
       &RenderViewDevToolsAgentHost::OnDispatchOnInspectorFrontend,
       base::Unretained(this)));
+  handler_impl_->SetNotifier(notifier);
   overrides_handler_->SetNotifier(notifier);
   tracing_handler_->SetNotifier(notifier);
   power_handler_->SetNotifier(notifier);
   g_instances.Get().push_back(this);
   AddRef();  // Balanced in RenderViewHostDestroyed.
 }
 
 WebContents* RenderViewDevToolsAgentHost::GetWebContents() {
   return web_contents();
 }
@@ skipping 18 matching lines @@
       if (overridden_response_value)
         overridden_response = DevToolsProtocol::ParseResponse(
             overridden_response_value.get());
     }
     if (!overridden_response.get())
       overridden_response = overrides_handler_->HandleCommand(command);
     if (!overridden_response.get())
       overridden_response = tracing_handler_->HandleCommand(command);
     if (!overridden_response.get())
       overridden_response = power_handler_->HandleCommand(command);
+    if (!overridden_response.get())
+      overridden_response = handler_impl_->HandleCommand(command);
     if (overridden_response.get()) {
       if (!overridden_response->is_async_promise())
         OnDispatchOnInspectorFrontend(overridden_response->Serialize());
       return;
     }
   }
 
   IPCDevToolsAgentHost::DispatchProtocolMessage(message);
 }
 
@@ skipping 33 matching lines @@
 #endif
 }
 
 void RenderViewDevToolsAgentHost::OnClientDetached() {
 #if defined(OS_ANDROID)
   power_save_blocker_.reset();
 #endif
   overrides_handler_->OnClientDetached();
   tracing_handler_->OnClientDetached();
   power_handler_->OnClientDetached();
+  handler_impl_->OnClientDetached();
   ClientDetachedFromRenderer();
 
   // TODO(kaznacheev): Move this call back to DevToolsManagerImpl when
   // extensions::ProcessManager no longer relies on this notification.
   if (!reattaching_)
     DevToolsAgentHostImpl::NotifyCallbacks(this, false);
 }
 
 void RenderViewDevToolsAgentHost::ClientDetachedFromRenderer() {
   if (!render_view_host_)
@@ skipping 92 matching lines @@
     RenderFrameHost* render_frame_host) {
   return DispatchIPCMessage(message);
 }
 
 bool RenderViewDevToolsAgentHost::OnMessageReceived(
     const IPC::Message& message) {
   return DispatchIPCMessage(message);
 }
 
 void RenderViewDevToolsAgentHost::DidAttachInterstitialPage() {
   overrides_handler_->DidAttachInterstitialPage();

[dgozman, 2014/09/10 13:01:20]

RenderViewDTAH should be able to call methods (like this one) on the domain
handlers, so we should expose them.

[vkuzkokov, 2014/09/11 12:53:03]

Done.

 
   if (!render_view_host_)
     return;
   // The rvh set in AboutToNavigateRenderView turned out to be interstitial.
   // Connect back to the real one.
   WebContents* web_contents =
     WebContents::FromRenderViewHost(render_view_host_);
   if (!web_contents)
     return;
   DisconnectRenderViewHost();
@@ skipping 12 matching lines @@
     overrides_handler_->OnVisibilityChanged(visible);
   }
 }
 
 void RenderViewDevToolsAgentHost::SetRenderViewHost(RenderViewHost* rvh) {
   DCHECK(!render_view_host_);
   render_view_host_ = static_cast<RenderViewHostImpl*>(rvh);
 
   WebContentsObserver::Observe(WebContents::FromRenderViewHost(rvh));
   overrides_handler_->SetRenderViewHost(render_view_host_);
+  handler_impl_->SetRenderViewHost(render_view_host_);
 
   registrar_.Add(
       this,
       content::NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
       content::Source<RenderWidgetHost>(render_view_host_));
 }
 
 void RenderViewDevToolsAgentHost::ClearRenderViewHost() {
   DCHECK(render_view_host_);
   registrar_.Remove(
       this,
       content::NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
       content::Source<RenderWidgetHost>(render_view_host_));
   render_view_host_ = NULL;
   overrides_handler_->ClearRenderViewHost();
+  handler_impl_->SetRenderViewHost(NULL);
 }
 
 void RenderViewDevToolsAgentHost::DisconnectWebContents() {
   DisconnectRenderViewHost();
 }
 
 void RenderViewDevToolsAgentHost::ConnectWebContents(WebContents* wc) {
   ConnectRenderViewHost(wc->GetRenderViewHost());
 }
 
@@ skipping 100 matching lines @@
 void RenderViewDevToolsAgentHost::OnEnableTracing(
     const std::string& category_filter) {
   tracing_handler_->EnableTracing(category_filter);
 }
 
 void RenderViewDevToolsAgentHost::OnDisableTracing() {
   tracing_handler_->DisableTracing();
 }
 
 }  // namespace content