Create 1364 release branch for CEF3.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1364@985 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef3/libcef/browser/devtools_delegate.cc

@@ -0,0 +1,154 @@
+// 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 "libcef/browser/devtools_delegate.h"
+#include "libcef/browser/devtools_scheme_handler.h"
+
+#include <algorithm>
+#include <string>
+
+#include "base/command_line.h"
+#include "base/md5.h"
+#include "base/rand_util.h"
+#include "base/stringprintf.h"
+#include "base/string_number_conversions.h"
+#include "base/time.h"
+#include "content/public/browser/devtools_http_handler.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/common/content_client.h"
+#include "content/public/common/content_switches.h"
+#include "grit/cef_resources.h"
+#include "net/base/tcp_listen_socket.h"
+#include "ui/base/layout.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace {
+
+class CefDevToolsBindingHandler
+    : public content::DevToolsHttpHandler::RenderViewHostBinding {
+ public:
+  CefDevToolsBindingHandler() {
+  }
+
+  virtual std::string GetIdentifier(content::RenderViewHost* rvh) OVERRIDE {
+    int process_id = rvh->GetProcess()->GetID();
+    int routing_id = rvh->GetRoutingID();
+
+    if (random_seed_.empty()) {
+      // Generate a random seed that is used to make identifier guessing more
+      // difficult.
+      random_seed_ = base::StringPrintf("%lf|%u",
+          base::Time::Now().ToDoubleT(), base::RandInt(0, INT_MAX));
+    }
+
+    // Create a key that combines RVH IDs and the random seed.
+    std::string key = base::StringPrintf("%d|%d|%s",
+        process_id,
+        routing_id,
+        random_seed_.c_str());
+
+    // Return an MD5 hash of the key.
+    return base::MD5String(key);
+  }
+
+  virtual content::RenderViewHost* ForIdentifier(
+      const std::string& identifier) OVERRIDE {
+    // Iterate through the existing RVH instances to find a match.
+    for (content::RenderProcessHost::iterator it(
+        content::RenderProcessHost::AllHostsIterator());
+       !it.IsAtEnd(); it.Advance()) {
+      content::RenderProcessHost* render_process_host = it.GetCurrentValue();
+      DCHECK(render_process_host);
+
+      // Ignore processes that don't have a connection, such as crashed
+      // contents.
+      if (!render_process_host->HasConnection())
+        continue;
+
+      content::RenderProcessHost::RenderWidgetHostsIterator rwit(
+          render_process_host->GetRenderWidgetHostsIterator());
+      for (; !rwit.IsAtEnd(); rwit.Advance()) {
+        const content::RenderWidgetHost* widget = rwit.GetCurrentValue();
+        DCHECK(widget);
+        if (!widget || !widget->IsRenderView())
+          continue;
+
+        content::RenderViewHost* host =
+            content::RenderViewHost::From(
+                const_cast<content::RenderWidgetHost*>(widget));
+        if (GetIdentifier(host) == identifier)
+          return host;
+      }
+    }
+
+    return NULL;
+  }
+
+ private:
+  std::string random_seed_;
+};
+
+}  // namespace
+
+CefDevToolsDelegate::CefDevToolsDelegate(int port) {
+  devtools_http_handler_ = content::DevToolsHttpHandler::Start(
+      new net::TCPListenSocketFactory("127.0.0.1", port),
+      "",
+      this);
+
+  binding_.reset(new CefDevToolsBindingHandler());
+  devtools_http_handler_->SetRenderViewHostBinding(binding_.get());
+}
+
+CefDevToolsDelegate::~CefDevToolsDelegate() {
+}
+
+void CefDevToolsDelegate::Stop() {
+  // The call below destroys this.
+  devtools_http_handler_->Stop();
+}
+
+std::string CefDevToolsDelegate::GetDiscoveryPageHTML() {
+  return content::GetContentClient()->GetDataResource(
+      IDR_CEF_DEVTOOLS_DISCOVERY_PAGE, ui::SCALE_FACTOR_NONE).as_string();
+}
+
+bool CefDevToolsDelegate::BundlesFrontendResources() {
+  return true;
+}
+
+FilePath CefDevToolsDelegate::GetDebugFrontendDir() {
+  return FilePath();
+}
+
+std::string CefDevToolsDelegate::GetPageThumbnailData(const GURL& url) {
+  return std::string();
+}
+
+content::RenderViewHost* CefDevToolsDelegate::CreateNewTarget() {
+  return NULL;
+}
+
+std::string CefDevToolsDelegate::GetDevToolsURL(content::RenderViewHost* rvh,
+                                                bool http_scheme) {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  std::string port_str =
+      command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
+  DCHECK(!port_str.empty());
+  int port;
+  if (!base::StringToInt(port_str, &port))
+    return std::string();
+
+  std::string page_id = binding_->GetIdentifier(rvh);
+  std::string host = http_scheme ?
+      base::StringPrintf("http://localhost:%d/devtools/", port) :
+      scheme::kChromeDevToolsURL;
+
+  return base::StringPrintf(
+      "%sdevtools.html?ws=localhost:%d/devtools/page/%s",
+      host.c_str(),
+      port,
+      page_id.c_str());
+}