Add minimum Conetxt Menu

athena/content/web_contents_view_delegate_factory_impl.cc

+// Copyright 2014 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 "athena/content/public/web_contents_view_delegate_creator.h"
+
+#include "athena/content/render_view_context_menu_impl.h"
+#include "components/web_modal/popup_manager.h"
+#include "components/web_modal/single_web_contents_dialog_manager.h"
+#include "components/web_modal/web_contents_modal_dialog_host.h"
+#include "components/web_modal/web_contents_modal_dialog_manager.h"
+#include "content/public/browser/render_widget_host_view.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_delegate.h"
+#include "content/public/browser/web_contents_view_delegate.h"
+#include "ui/aura/client/screen_position_client.h"
+#include "ui/aura/window.h"
+#include "ui/views/widget/widget.h"
+
+namespace athena {
+namespace {
+
+class WebContentsViewDelegateImpl : public content::WebContentsViewDelegate {
+ public:
+  explicit WebContentsViewDelegateImpl(content::WebContents* web_contents)
+      : web_contents_(web_contents) {}
+  virtual ~WebContentsViewDelegateImpl() {}
+
+  virtual content::WebDragDestDelegate* GetDragDestDelegate() OVERRIDE {
+    // TODO(oshima): crbug.com/401610
+    return NULL;
+  }
+
+  virtual bool Focus() OVERRIDE {
+    web_modal::PopupManager* popup_manager =
+        web_modal::PopupManager::FromWebContents(web_contents_);
+    if (popup_manager)
+      popup_manager->WasFocused(web_contents_);
+    return false;
+  }
+
+  virtual void TakeFocus(bool reverse) OVERRIDE {}
+  virtual void StoreFocus() OVERRIDE {}
+  virtual void RestoreFocus() OVERRIDE {}
+
+  virtual void ShowContextMenu(
+      content::RenderFrameHost* render_frame_host,
+      const content::ContextMenuParams& params) OVERRIDE {
+    ShowMenu(BuildMenu(
+        content::WebContents::FromRenderFrameHost(render_frame_host), params));
+  }
+
+  virtual void SizeChanged(const gfx::Size& size) OVERRIDE {
+    // TODO(oshima|sadrul): Implement this when sad_tab is componentized.
+    // See c/b/ui/views/tab_contents/chrome_web_contents_view_delegate_views.cc
+  }
+
+  scoped_ptr<RenderViewContextMenuImpl> BuildMenu(
+      content::WebContents* web_contents,
+      const content::ContextMenuParams& params) {
+    scoped_ptr<RenderViewContextMenuImpl> menu;
+    content::RenderFrameHost* focused_frame = web_contents->GetFocusedFrame();
+    // If the frame tree does not have a focused frame at this point, do not
+    // bother creating RenderViewContextMenuViews.
+    // This happens if the frame has navigated to a different page before
+    // ContextMenu message was received by the current RenderFrameHost.
+    if (focused_frame) {
+      menu.reset(new RenderViewContextMenuImpl(focused_frame, params));
+      menu->Init();
+    }
+    return menu.Pass();
+  }
+
+  void ShowMenu(scoped_ptr<RenderViewContextMenuImpl> menu) {
+    context_menu_.reset(menu.release());
+
+    if (!context_menu_.get())
+      return;
+
+    // Menus need a Widget to work. If we're not the active tab we won't
+    // necessarily be in a widget.
+    views::Widget* top_level_widget = GetTopLevelWidget();
+    if (!top_level_widget)
+      return;
+
+    const content::ContextMenuParams& params = context_menu_->params();
+    // Don't show empty menus.
+    if (context_menu_->menu_model().GetItemCount() == 0)
+      return;
+
+    gfx::Point screen_point(params.x, params.y);
+
+    // Convert from target window coordinates to root window coordinates.
+    aura::Window* target_window = GetActiveNativeView();
+    aura::Window* root_window = target_window->GetRootWindow();
+    aura::client::ScreenPositionClient* screen_position_client =
+        aura::client::GetScreenPositionClient(root_window);
+    if (screen_position_client) {
+      screen_position_client->ConvertPointToScreen(target_window,
+                                                   &screen_point);
+    }
+    // Enable recursive tasks on the message loop so we can get updates while
+    // the context menu is being displayed.
+    base::MessageLoop::ScopedNestableTaskAllower allow(
+        base::MessageLoop::current());
+    context_menu_->RunMenuAt(
+        top_level_widget, screen_point, params.source_type);
+  }
+
+  aura::Window* GetActiveNativeView() {
+    return web_contents_->GetFullscreenRenderWidgetHostView()
+               ? web_contents_->GetFullscreenRenderWidgetHostView()
+                     ->GetNativeView()
+               : web_contents_->GetNativeView();
+  }
+
+  views::Widget* GetTopLevelWidget() {
+    return views::Widget::GetTopLevelWidgetForNativeView(GetActiveNativeView());
+  }
+
+  views::FocusManager* GetFocusManager() {
+    views::Widget* toplevel_widget = GetTopLevelWidget();
+    return toplevel_widget ? toplevel_widget->GetFocusManager() : NULL;
+  }
+
+  void SetInitialFocus() {
+    if (web_contents_->FocusLocationBarByDefault()) {
+      if (web_contents_->GetDelegate())
+        web_contents_->GetDelegate()->SetFocusToLocationBar(false);
+    } else {
+      web_contents_->Focus();
+    }
+  }
+  scoped_ptr<RenderViewContextMenuImpl> context_menu_;
+  content::WebContents* web_contents_;
+  DISALLOW_COPY_AND_ASSIGN(WebContentsViewDelegateImpl);
+};
+
+}  // namespace
+
+content::WebContentsViewDelegate* CreateWebContentsViewDelegate(
+    content::WebContents* web_contents) {
+  return new WebContentsViewDelegateImpl(web_contents);
+}
+
+}  // namespace athena
+
+namespace web_modal {
+
+SingleWebContentsDialogManager*
+WebContentsModalDialogManager::CreateNativeWebModalManager(
+    NativeWebContentsModalDialog dialog,
+    SingleWebContentsDialogManagerDelegate* native_delegate) {
+  // TODO(oshima): Investigate if we need to implement this.
+  NOTREACHED();
+  return NULL;
+}
+
+}  // namespace web_modal