Implement pointer lock API for out-of-process iframes.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 73 matching lines @@
 #include "content/renderer/ime_event_guard.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "content/renderer/internal_document_state_data.h"
 #include "content/renderer/media/audio_device_factory.h"
 #include "content/renderer/media/video_capture_impl_manager.h"
 #include "content/renderer/navigation_state_impl.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/render_process.h"
 #include "content/renderer/render_thread_impl.h"
-#include "content/renderer/render_view_mouse_lock_dispatcher.h"
 #include "content/renderer/render_widget_fullscreen_pepper.h"
 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 #include "content/renderer/resizing_mode_selector.h"
 #include "content/renderer/savable_resources.h"
 #include "content/renderer/speech_recognition_dispatcher.h"
 #include "content/renderer/text_input_client_observer.h"
 #include "content/renderer/web_ui_extension_data.h"
 #include "content/renderer/websharedworker_proxy.h"
 #include "media/audio/audio_output_device.h"
 #include "media/base/media_switches.h"
@@ skipping 290 matching lines @@
   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
       : params(p),
         completion(c) {
   }
   FileChooserParams params;
   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 };
 
 namespace {
 
-class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
- public:
-  explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
-      : webwidget_(webwidget) {}
-
-  void OnLockMouseACK(bool succeeded) override {
-    if (succeeded)
-      webwidget_->didAcquirePointerLock();
-    else
-      webwidget_->didNotAcquirePointerLock();
-  }
-
-  void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
-
-  bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
-    // The WebWidget handles mouse lock in WebKit's handleInputEvent().
-    return false;
-  }
-
- private:
-  blink::WebWidget* webwidget_;
-};
-
 WebDragData DropDataToWebDragData(const DropData& drop_data) {
   std::vector<WebDragData::Item> item_list;
 
   // These fields are currently unused when dragging into WebKit.
   DCHECK(drop_data.download_metadata.empty());
   DCHECK(drop_data.file_contents.empty());
   DCHECK(drop_data.file_description_filename.empty());
 
   if (!drop_data.text.is_null()) {
     WebDragData::Item item;
@@ skipping 213 matching lines @@
       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 #endif
       top_controls_shrink_blink_size_(false),
       top_controls_height_(0.f),
       webview_(nullptr),
       has_scrolled_focused_editable_node_into_rect_(false),
       page_zoom_level_(params.page_zoom_level),
       main_render_frame_(nullptr),
       frame_widget_(nullptr),
       speech_recognition_dispatcher_(NULL),
-      mouse_lock_dispatcher_(NULL),
 #if defined(OS_ANDROID)
       expected_content_intent_id_(0),
 #endif
       enumeration_completion_id_(0),
       session_storage_namespace_id_(params.session_storage_namespace_id) {
   GetWidget()->set_owner_delegate(this);
 }
 
 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
                                 bool was_created_by_renderer) {
   SetRoutingID(params.view_id);
 
   int opener_view_routing_id;
   WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(
       params.opener_frame_route_id, &opener_view_routing_id);
   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
     opener_id_ = opener_view_routing_id;
 
   display_mode_ = params.initial_size.display_mode;
 
   // Ensure we start with a valid next_page_id_ from the browser.
   DCHECK_GE(next_page_id_, 0);
 
   webview_ = WebView::create(this);
-  webwidget_ = webview_->widget();
-  webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
+  RenderWidget::DoInit(MSG_ROUTING_NONE, webview_->widget(), nullptr, false);
 
   g_view_map.Get().insert(std::make_pair(webview(), this));
   g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this));
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   if (command_line.HasSwitch(switches::kStatsCollectionController))
     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 
@@ skipping 107 matching lines @@
   if (!params.enable_auto_resize) {
     OnResize(params.initial_size);
   } else {
     OnEnableAutoResize(params.min_size, params.max_size);
   }
 
 #if defined(OS_MACOSX)
   new TextInputClientObserver(this);
 #endif  // defined(OS_MACOSX)
 
-  // The next group of objects all implement RenderViewObserver, so are deleted
-  // along with the RenderView automatically.
-  mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
-
   // We don't use HistoryController in OOPIF-enabled modes.
   if (!SiteIsolationPolicy::UseSubframeNavigationEntries())
     history_controller_.reset(new HistoryController(this));
 
   new IdleUserDetector(this);
 
   if (command_line.HasSwitch(switches::kDomAutomationController))
     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
   if (command_line.HasSwitch(switches::kStatsCollectionController))
     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
@@ skipping 1158 matching lines @@
 
   // NOTE: initial_rect_ may still have its default values at this point, but
   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
   // browser process will impose a default position otherwise.
   Send(new ViewHostMsg_ShowView(opener_id_, GetRoutingID(),
                                 NavigationPolicyToDisposition(policy),
                                 initial_rect_, opened_by_user_gesture_));
   SetPendingWindowRect(initial_rect_);
 }
 
-bool RenderViewImpl::requestPointerLock() {
-  return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
-}
-
-void RenderViewImpl::requestPointerUnlock() {
-  mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
-}
-
-bool RenderViewImpl::isPointerLocked() {
-  return mouse_lock_dispatcher_->IsMouseLockedTo(
-      webwidget_mouse_lock_target_.get());
-}
-
 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
   FOR_EACH_OBSERVER(
       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
 }
 
 void RenderViewImpl::didHandleGestureEvent(
     const WebGestureEvent& event,
     bool event_cancelled) {
   RenderWidget::didHandleGestureEvent(event, event_cancelled);
 
@@ skipping 1370 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content