Merge pull request #55 from brightray/windows-attached-devtools

Implement attached devtools on Windows

brightray/brightray.gyp

@@ -13,6 +13,7 @@
         '.',
         '<(libchromiumcontent_include_dir)',
         '<(libchromiumcontent_include_dir)/third_party/skia/include/config',
+        '<(libchromiumcontent_include_dir)/third_party/skia/include/core',
       ],
       'direct_dependent_settings': {
         'include_dirs': [

brightray/browser/win/inspectable_web_contents_view_win.cc

@@ -6,6 +6,9 @@
 
 #include "content/public/browser/web_contents_view.h"
 #include "ui/gfx/win/hwnd_util.h"
+#include "ui/views/controls/single_split_view.h"
+#include "ui/views/controls/webview/webview.h"
+#include "ui/views/view.h"
 
 namespace brightray {
 
@@ -15,6 +18,117 @@ const int kWindowInset = 100;
 
 }
 
+class ContainerView : public views::View {
+ public:
+  explicit ContainerView(InspectableWebContentsViewWin* web_contents_view)
+      : container_view_created_(false),
+        dockside_("none"),  // "none" is treated as "bottom".
+        web_view_(new views::WebView(NULL)),
+        web_contents_view_(web_contents_view) {
+    set_owned_by_client();
+    web_view_->set_owned_by_client();
+    web_view_->SetWebContents(
+        web_contents_view_->inspectable_web_contents()->GetWebContents());
+  }
+
+  views::View* GetWebView() const {
+    return web_view_.get();
+  }
+
+  void ShowDevTools() {
+    if (IsDevToolsViewShowing())
+      return;
+
+    RemoveChildView(web_view_.get());
+    devtools_view_ = new views::WebView(NULL);
+    devtools_view_->SetWebContents(web_contents_view_->
+        inspectable_web_contents()->devtools_web_contents());
+    split_view_.reset(new views::SingleSplitView(
+        web_view_.get(),
+        devtools_view_,
+        GetSplitViewOrientation(),
+        NULL));
+    split_view_->set_divider_offset(GetSplitVievDividerOffset());
+    AddChildView(split_view_.get());
+    Layout();
+
+    devtools_view_->RequestFocus();
+  }
+
+  void CloseDevTools() {
+    if (!IsDevToolsViewShowing())
+      return;
+
+    RemoveChildView(split_view_.get());
+    split_view_.reset();
+    AddChildView(web_view_.get());
+    Layout();
+  }
+
+  bool IsDevToolsViewShowing() {
+    return split_view_;
+  }
+
+  void SetDockSide(const std::string& side) {
+    if (dockside_ == side)
+      return;  // no change from current location
+
+    dockside_ = side;
+    if (!IsDevToolsViewShowing())
+      return;
+
+    split_view_->set_orientation(GetSplitViewOrientation());
+    split_view_->set_divider_offset(GetSplitVievDividerOffset());
+    split_view_->Layout();
+    return;
+  }
+
+ private:
+  // views::View:
+  virtual void Layout() OVERRIDE {
+    if (split_view_)
+      split_view_->SetBounds(0, 0, width(), height());
+    else
+      web_view_->SetBounds(0, 0, width(), height());
+  }
+
+  virtual void ViewHierarchyChanged(
+      const ViewHierarchyChangedDetails& details) OVERRIDE {
+    View::ViewHierarchyChanged(details);
+    // We're not using child == this because a Widget may not be
+    // available when this is added to the hierarchy.
+    if (details.is_add && GetWidget() && !container_view_created_) {
+      container_view_created_ = true;
+      AddChildView(web_view_.get());
+    }
+  }
+
+  views::SingleSplitView::Orientation GetSplitViewOrientation() const {
+    if (dockside_ == "right")
+      return views::SingleSplitView::HORIZONTAL_SPLIT;
+    else
+      return views::SingleSplitView::VERTICAL_SPLIT;
+  }
+
+  int GetSplitVievDividerOffset() const {
+    if (dockside_ == "right")
+      return width() * 2 / 3;
+    else
+      return height() * 2 / 3;
+  }
+
+  // True if the container view has already been created, or false otherwise.
+  bool container_view_created_;
+
+  std::string dockside_;
+
+  scoped_ptr<views::WebView> web_view_;
+  scoped_ptr<views::SingleSplitView> split_view_;
+  views::WebView* devtools_view_;  // Owned by split_view_.
+
+  InspectableWebContentsViewWin* web_contents_view_;
+};
+
 InspectableWebContentsView* CreateInspectableContentsView(
     InspectableWebContentsImpl* inspectable_web_contents) {
   return new InspectableWebContentsViewWin(inspectable_web_contents);
@@ -22,7 +136,9 @@ InspectableWebContentsView* CreateInspectableContentsView(
 
 InspectableWebContentsViewWin::InspectableWebContentsViewWin(
     InspectableWebContentsImpl* inspectable_web_contents)
-    : inspectable_web_contents_(inspectable_web_contents) {
+    : inspectable_web_contents_(inspectable_web_contents),
+      undocked_(false),
+      container_(new ContainerView(this)) {
 }
 
 InspectableWebContentsViewWin::~InspectableWebContentsViewWin() {
@@ -30,39 +146,65 @@ InspectableWebContentsViewWin::~InspectableWebContentsViewWin() {
     DestroyWindow(devtools_window_->hwnd());
 }
 
+views::View* InspectableWebContentsViewWin::GetView() const {
+  return container_.get();
+}
+
+views::View* InspectableWebContentsViewWin::GetWebView() const {
+  return container_->GetWebView();
+}
+
 gfx::NativeView InspectableWebContentsViewWin::GetNativeView() const {
   auto web_contents = inspectable_web_contents_->GetWebContents();
   return web_contents->GetView()->GetNativeView();
 }
 
 void InspectableWebContentsViewWin::ShowDevTools() {
-  if (!devtools_window_) {
-    devtools_window_ = DevToolsWindow::Create(this)->AsWeakPtr();
-    devtools_window_->Init(HWND_DESKTOP, gfx::Rect());
+  if (undocked_) {
+    if (!devtools_window_) {
+      devtools_window_ = DevToolsWindow::Create(this)->AsWeakPtr();
+      devtools_window_->Init(HWND_DESKTOP, gfx::Rect());
+    }
+
+    auto contents_view = inspectable_web_contents_->GetWebContents()->GetView();
+    auto size = contents_view->GetContainerSize();
+    size.Enlarge(-kWindowInset, -kWindowInset);
+    gfx::CenterAndSizeWindow(contents_view->GetNativeView(),
+                             devtools_window_->hwnd(),
+                             size);
+
+    ShowWindow(devtools_window_->hwnd(), SW_SHOWNORMAL);
+  } else {
+    container_->ShowDevTools();
   }
-
-  auto contents_view = inspectable_web_contents_->GetWebContents()->GetView();
-  auto size = contents_view->GetContainerSize();
-  size.Enlarge(-kWindowInset, -kWindowInset);
-  gfx::CenterAndSizeWindow(contents_view->GetNativeView(),
-                           devtools_window_->hwnd(),
-                           size);
-
-  ShowWindow(devtools_window_->hwnd(), SW_SHOWNORMAL);
 }
 
 void InspectableWebContentsViewWin::CloseDevTools() {
-  if (!devtools_window_)
-    return;
-  SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
+  if (undocked_)
+    SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
+  else
+    container_->CloseDevTools();
 }
 
 bool InspectableWebContentsViewWin::IsDevToolsViewShowing() {
-  return devtools_window_;
+  return container_->IsDevToolsViewShowing() || devtools_window_;
 }
 
 bool InspectableWebContentsViewWin::SetDockSide(const std::string& side) {
-  return false;
+  if (side == "undocked") {
+    undocked_ = true;
+    container_->CloseDevTools();
+  } else if (side == "right" || side == "bottom") {
+    undocked_ = false;
+    if (devtools_window_)
+      SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
+    container_->SetDockSide(side);
+  } else {
+    return false;
+  }
+
+  ShowDevTools();
+  return true;
 }
 
 }  // namespace brightray

brightray/browser/win/inspectable_web_contents_view_win.h

@@ -4,10 +4,16 @@
 #include "browser/inspectable_web_contents_view.h"
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 
+namespace views {
+class View;
+}
+
 namespace brightray {
 
+class ContainerView;
 class DevToolsWindow;
 class InspectableWebContentsImpl;
 
@@ -17,6 +23,18 @@ class InspectableWebContentsViewWin : public InspectableWebContentsView {
       InspectableWebContentsImpl* inspectable_web_contents_impl);
   ~InspectableWebContentsViewWin();
 
+  // Returns the container control, which has devtools view attached. Unlike
+  // GetNativeView(), this returns a views::View instead of HWND, and can only
+  // be used by applications that use the views library, if you don't use the
+  // views library, you probably want to set dock side to "undocked" before
+  // showing the devtools, because devtools is showed attached by default and
+  // attached devtools is currently only supported when using views library.
+  views::View* GetView() const;
+
+  // Returns the web view control, which can be used by the
+  // GetInitiallyFocusedView() to set initial focus to web view.
+  views::View* GetWebView() const;
+
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual void ShowDevTools() OVERRIDE;
   virtual void CloseDevTools() OVERRIDE;
@@ -31,6 +49,8 @@ class InspectableWebContentsViewWin : public InspectableWebContentsView {
   // Owns us.
   InspectableWebContentsImpl* inspectable_web_contents_;
 
+  bool undocked_;
+  scoped_ptr<ContainerView> container_;
   base::WeakPtr<DevToolsWindow> devtools_window_;
 
   DISALLOW_COPY_AND_ASSIGN(InspectableWebContentsViewWin);