Add InspectableWebContentsDelegate.

brightray/brightray.gyp

@@ -43,6 +43,7 @@
         'browser/download_manager_delegate.h',
         'browser/inspectable_web_contents.cc',
         'browser/inspectable_web_contents.h',
+        'browser/inspectable_web_contents_delegate.h',
         'browser/inspectable_web_contents_impl.cc',
         'browser/inspectable_web_contents_impl.h',
         'browser/inspectable_web_contents_view.h',

brightray/browser/inspectable_web_contents.h

@@ -5,6 +5,7 @@
 
 namespace brightray {
 
+class InspectableWebContentsDelegate;
 class InspectableWebContentsView;
 
 class InspectableWebContents {
@@ -23,6 +24,9 @@ class InspectableWebContents {
 
   virtual void ShowDevTools() = 0;
   virtual bool IsDevToolsViewShowing() = 0;
+
+  // The delegate manages its own life.
+  virtual void SetDelegate(InspectableWebContentsDelegate* delegate) = 0;
 };
 
 }  // namespace brightray

brightray/browser/inspectable_web_contents_delegate.h

@@ -0,0 +1,26 @@
+#ifndef BRIGHTRAY_INSPECTABLE_WEB_CONTENTS_DELEGATE_H_
+#define BRIGHTRAY_INSPECTABLE_WEB_CONTENTS_DELEGATE_H_
+
+#include <string>
+
+namespace brightray {
+
+class InspectableWebContentsDelegate {
+ public:
+  virtual ~InspectableWebContentsDelegate() {}
+
+  // Called when the devtools is going to change the dock side, returning true
+  // to override the default behavior.
+  // Receiver should set |succeed| to |false| if it failed to handle this.
+  virtual bool DevToolsSetDockSide(const std::string& side, bool* succeed) {
+    return false;
+  }
+
+  // Called when the devtools is going to be showed, returning true to override
+  // the default behavior.
+  virtual bool DevToolsShow(const std::string& side) { return false; }
+};
+
+}  // namespace brightray
+
+#endif  // BRIGHTRAY_INSPECTABLE_WEB_CONTENTS_DELEGATE_H_

brightray/browser/inspectable_web_contents_impl.cc

@@ -8,6 +8,7 @@
 #include "browser/browser_client.h"
 #include "browser/browser_context.h"
 #include "browser/browser_main_parts.h"
+#include "browser/inspectable_web_contents_delegate.h"
 #include "browser/inspectable_web_contents_view.h"
 
 #include "base/prefs/pref_registry_simple.h"
@@ -40,7 +41,8 @@ void InspectableWebContentsImpl::RegisterPrefs(PrefRegistrySimple* registry) {
 
 InspectableWebContentsImpl::InspectableWebContentsImpl(
     content::WebContents* web_contents)
-    : web_contents_(web_contents) {
+    : web_contents_(web_contents),
+      delegate_(nullptr) {
   auto context = static_cast<BrowserContext*>(
       web_contents_->GetBrowserContext());
   dock_side_ = context->prefs()->GetString(kDockSidePref);
@@ -92,6 +94,9 @@ void InspectableWebContentsImpl::ShowDevTools() {
         std::string());
   }
 
+  if (delegate_ && delegate_->DevToolsShow(dock_side_))
+    return;
+
   view_->SetDockSide(dock_side_);
   view_->ShowDevTools();
 }
@@ -120,8 +125,13 @@ void InspectableWebContentsImpl::MoveWindow(int x, int y) {
 }
 
 void InspectableWebContentsImpl::SetDockSide(const std::string& side) {
-  if (!view_->SetDockSide(side))
+  bool succeed = true;
+  if (delegate_ && delegate_->DevToolsSetDockSide(side, &succeed)) {
+    if (!succeed)  // delegate failed to set dock side.
       return;
+  } else if (!view_->SetDockSide(side)) {
+    return;
+  }
 
   dock_side_ = side;
 

brightray/browser/inspectable_web_contents_impl.h

@@ -23,6 +23,7 @@ class DevToolsClientHost;
 
 namespace brightray {
 
+class InspectableWebContentsDelegate;
 class InspectableWebContentsView;
 
 class InspectableWebContentsImpl :
@@ -43,6 +44,10 @@ class InspectableWebContentsImpl :
   virtual void ShowDevTools() OVERRIDE;
   virtual bool IsDevToolsViewShowing() OVERRIDE;
 
+  virtual void SetDelegate(InspectableWebContentsDelegate* delegate) {
+    delegate_ = delegate;
+  }
+
   content::WebContents* devtools_web_contents() {
     return devtools_web_contents_.get();
   }
@@ -101,6 +106,8 @@ class InspectableWebContentsImpl :
 
   scoped_ptr<DevToolsEmbedderMessageDispatcher> embedder_message_dispatcher_;
 
+  InspectableWebContentsDelegate* delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(InspectableWebContentsImpl);
 };