RenderWidget/RenderView: encapsulate ViewHostMsg_Show, etc, in a callback

content/renderer/render_view_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 80 matching lines @@
 struct WebWindowFeatures;
 
 #if defined(OS_ANDROID)
 class WebHitTestResult;
 #endif
 }  // namespace blink
 
 namespace content {
 
 class HistoryController;
+class RendererDateTimePicker;
 class RenderViewImplTest;
 class RenderViewObserver;
 class RenderViewTest;
-class RendererDateTimePicker;
+class RenderWidgetFullscreen;

[dcheng, 2016/11/21 11:19:52]

Is this needed?

[ncarter (slow), 2016/11/21 19:51:24]

Done.

 class SpeechRecognitionDispatcher;
 struct FaviconURL;
 struct FileChooserParams;
 struct ResizeParams;
 
 namespace mojom {
 class CreateViewParams;
 }
 
 //
 // RenderView is an object that manages a WebView object, and provides a
 // communication interface with an embedding application process.
 //
 // DEPRECATED: RenderViewImpl is being removed as part of the SiteIsolation
 // project. New code should be added to RenderFrameImpl instead.
 //
 // For context, please see https://crbug.com/467770 and
 // http://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewImpl
     : public RenderWidget,
       NON_EXPORTED_BASE(public blink::WebViewClient),
       public RenderWidgetOwnerDelegate,
       public RenderView,
       public base::SupportsWeakPtr<RenderViewImpl> {
  public:
-  // Creates a new RenderView. |opener_id| is the routing ID of the RenderView
-  // responsible for creating this RenderView. Note that if the original opener
-  // has been closed, |window_was_created_with_opener| will be true and
-  // |opener_id| will be MSG_ROUTING_NONE. When |swapped_out| is true, the
-  // |proxy_routing_id| is specified, so a RenderFrameProxy can be created for
-  // this RenderView's main RenderFrame.
-  static RenderViewImpl* Create(CompositorDependencies* compositor_deps,
-                                const mojom::CreateViewParams& params,
-                                bool was_created_by_renderer);
+  // Creates a new RenderView. Note that if the original opener has been closed,
+  // |params.window_was_created_with_opener| will be true and
+  // |params.opener_frame_route_id| will be MSG_ROUTING_NONE. When
+  // |params.swapped_out| is true, |params.proxy_routing_id| is specified, so a
+  // RenderFrameProxy can be created for this RenderView's main RenderFrame. The
+  // opener should provide a non-null value for |show_callback| if it needs to
+  // send an additional IPC to finish making this view visible.
+  static RenderViewImpl* Create(
+      CompositorDependencies* compositor_deps,
+      const mojom::CreateViewParams& params,
+      const RenderWidget::ShowCallback& show_callback);
 
   // Used by content_layouttest_support to hook into the creation of
   // RenderViewImpls.
   static void InstallCreateHook(RenderViewImpl* (*create_render_view_impl)(
       CompositorDependencies* compositor_deps,
       const mojom::CreateViewParams&));
 
   // Returns the RenderViewImpl containing the given WebView.
   static RenderViewImpl* FromWebView(blink::WebView* webview);
 
@@ skipping 68 matching lines @@
       const blink::WebActiveWheelFlingParameters& params);
 
   // Starts a timer to send an UpdateState message on behalf of |frame|, if the
   // timer isn't already running. This allows multiple state changing events to
   // be coalesced into one update.
   void StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame);
 
   // Synchronously sends the current navigation state to the browser.
   void SendUpdateState();
 
+  // A popup widget opened by this view needs to be shown.
+  void ShowCreatedPopupWidget(RenderWidget* popup_widget,
+                              blink::WebNavigationPolicy policy,
+                              const gfx::Rect& initial_rect);
+  // A RenderWidgetFullscreen widget opened by this view needs to be shown.
+  void ShowCreatedFullscreenWidget(RenderWidget* fullscreen_widget,
+                                   blink::WebNavigationPolicy policy,
+                                   const gfx::Rect& initial_rect);
+  // A RenderView widget opened by this view needs to be shown.
+  void ShowCreatedViewWidget(bool opened_by_user_gesture,
+                             RenderWidget* render_view,
+                             blink::WebNavigationPolicy policy,
+                             const gfx::Rect& initial_rect);
+
   // Returns the length of the session history of this RenderView. Note that
   // this only coincides with the actual length of the session history if this
   // RenderView is the currently active RenderView of a WebContents.
   unsigned GetLocalSessionHistoryLengthForTesting() const;
 
   // Invokes OnSetFocus and marks the widget as active depending on the value
   // of |enable|. This is used for layout tests that need to control the focus
   // synchronously from the renderer.
   void SetFocusAndActivateForTesting(bool enable);
 
@@ skipping 163 matching lines @@
   void OnOrientationChange() override;
   void DidCommitCompositorFrame() override;
   void DidCompletePageScaleAnimation() override;
   void OnDeviceScaleFactorChanged() override;
   void ResizeWebWidget() override;
 
   RenderViewImpl(CompositorDependencies* compositor_deps,
                  const mojom::CreateViewParams& params);
 
   void Initialize(const mojom::CreateViewParams& params,
-                  bool was_created_by_renderer);
+                  const RenderWidget::ShowCallback& show_callback);
   void SetScreenMetricsEmulationParameters(
       bool enabled,
       const blink::WebDeviceEmulationParams& params) override;
 
   // Do not delete directly.  This class is reference counted.
   ~RenderViewImpl() override;
 
  private:
   // For unit tests.
   friend class DevToolsAgentTest;
@@ skipping 272 matching lines @@
   // because if the view grows beyond a size known to the browser, scroll bars
   // should be drawn.
   gfx::Size disable_scrollbars_size_limit_;
 
   // Loading state -------------------------------------------------------------
 
   // The gesture that initiated the current navigation.
   // TODO(nasko): Move to RenderFrame, as this is per-frame state.
   NavigationGesture navigation_gesture_;
 
-  // Used for popups.
-  bool opened_by_user_gesture_;
-
   // Timer used to delay the updating of nav state (see
   // StartNavStateSyncTimerIfNecessary).
   base::OneShotTimer nav_state_sync_timer_;
 
   // Set of RenderFrame routing IDs for frames that having pending UpdateState
   // messages to send when the next |nav_state_sync_timer_| fires.
   std::set<int> frames_with_pending_state_;
 
   // History list --------------------------------------------------------------
 
@@ skipping 104 matching lines @@
   // Expected id of the next content intent launched. Used to prevent scheduled
   // intents to be launched if aborted.
   size_t expected_content_intent_id_;
 
   // List of click-based content detectors.
   std::vector<std::unique_ptr<ContentDetector>> content_detectors_;
 
   // A date/time picker object for date and time related input elements.
   std::unique_ptr<RendererDateTimePicker> date_time_picker_client_;
 
+  // Whether this was a renderer-created or browser-created RenderView.
+  bool was_created_by_renderer_;
 #endif
 
   // Misc ----------------------------------------------------------------------
 
   // The current directory enumeration callback
   std::map<int, blink::WebFileChooserCompletion*> enumeration_completions_;
   int enumeration_completion_id_;
 
   // The SessionStorage namespace that we're assigned to has an ID, and that ID
   // is passed to us upon creation.  WebKit asks for this ID upon first use and
@@ skipping 21 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_