Use the "chrome-devtools://" scheme to open devtools.

brightray/browser/devtools_ui.cc

@@ -0,0 +1,102 @@
+// 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-CHROMIUM file.
+
+#include "browser/devtools_ui.h"
+
+#include <string>
+
+#include "browser/browser_context.h"
+
+#include "base/memory/ref_counted_memory.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+#include "content/public/browser/devtools_http_handler.h"
+#include "content/public/browser/url_data_source.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui.h"
+#include "ui/base/resource/resource_bundle.h"
+
+using content::WebContents;
+
+namespace brightray {
+
+namespace {
+
+const char kChromeUIDevToolsBundledHost[] = "devtools";
+
+std::string PathWithoutParams(const std::string& path) {
+  return GURL(std::string("chrome-devtools://devtools/") + path)
+      .path().substr(1);
+}
+
+std::string GetMimeTypeForPath(const std::string& path) {
+  std::string filename = PathWithoutParams(path);
+  if (EndsWith(filename, ".html", false)) {
+    return "text/html";
+  } else if (EndsWith(filename, ".css", false)) {
+    return "text/css";
+  } else if (EndsWith(filename, ".js", false)) {
+    return "application/javascript";
+  } else if (EndsWith(filename, ".png", false)) {
+    return "image/png";
+  } else if (EndsWith(filename, ".gif", false)) {
+    return "image/gif";
+  } else if (EndsWith(filename, ".manifest", false)) {
+    return "text/cache-manifest";
+  }
+  NOTREACHED();
+  return "text/plain";
+}
+
+class BundledDataSource : public content::URLDataSource {
+ public:
+  explicit BundledDataSource() {
+  }
+
+  // content::URLDataSource implementation.
+  virtual std::string GetSource() const OVERRIDE {
+    return kChromeUIDevToolsBundledHost;
+  }
+
+  virtual void StartDataRequest(const std::string& path,
+                                int render_process_id,
+                                int render_view_id,
+                                const GotDataCallback& callback) OVERRIDE {
+    std::string filename = PathWithoutParams(path);
+
+    int resource_id =
+        content::DevToolsHttpHandler::GetFrontendResourceId(filename);
+
+    DLOG_IF(WARNING, -1 == resource_id) << "Unable to find dev tool resource: "
+        << filename << ". If you compiled with debug_devtools=1, try running"
+        " with --debug-devtools.";
+    const ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+    scoped_refptr<base::RefCountedStaticMemory> bytes(rb.LoadDataResourceBytes(
+        resource_id));
+    callback.Run(bytes);
+  }
+
+  virtual std::string GetMimeType(const std::string& path) const OVERRIDE {
+    return GetMimeTypeForPath(path);
+  }
+
+  virtual bool ShouldAddContentSecurityPolicy() const OVERRIDE {
+    return false;
+  }
+
+ private:
+  virtual ~BundledDataSource() {}
+  DISALLOW_COPY_AND_ASSIGN(BundledDataSource);
+};
+
+}
+
+DevToolsUI::DevToolsUI(BrowserContext* browser_context, content::WebUI* web_ui)
+   : WebUIController(web_ui),
+     browser_context_(browser_context) {
+  web_ui->SetBindings(0);
+  content::URLDataSource::Add(browser_context_, new BundledDataSource());
+}
+
+}