Support mouse lock in Flash fullscreen mode.

content/browser/renderer_host/render_widget_host_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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 112 matching lines @@
       in_flight_event_count_(0),
       in_get_backing_store_(false),
       abort_get_backing_store_(false),
       view_being_painted_(false),
       ignore_input_events_(false),
       text_direction_updated_(false),
       text_direction_(WebKit::WebTextDirectionLeftToRight),
       text_direction_canceled_(false),
       suppress_next_char_events_(false),
       pending_mouse_lock_request_(false),
+      allow_privileged_mouse_lock_(false),
       has_touch_handler_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)),
       tap_suppression_controller_(new TapSuppressionController(this)) {
   CHECK(delegate_);
   if (routing_id_ == MSG_ROUTING_NONE) {
     routing_id_ = process_->GetNextRoutingID();
     surface_id_ = GpuSurfaceTracker::Get()->AddSurfaceForRenderer(
         process_->GetID(),
         routing_id_);
   } else {
@@ skipping 83 matching lines @@
 
   GpuSurfaceTracker::Get()->SetSurfaceHandle(
       surface_id_, GetCompositingSurface());
 
   // Send the ack along with the information on placement.
   Send(new ViewMsg_CreatingNew_ACK(routing_id_, GetNativeViewId()));
   WasResized();
 }
 
 void RenderWidgetHostImpl::Shutdown() {
+  RejectMouseLockOrUnlockIfNecessary();
+
   if (process_->HasConnection()) {
     // Tell the renderer object to close.
     bool rv = Send(new ViewMsg_Close(routing_id_));
     DCHECK(rv);
   }
 
   Destroy();
 }
 
 bool RenderWidgetHostImpl::IsLoading() const {
@@ skipping 1235 matching lines @@
     bool activated) {
   TRACE_EVENT1("renderer_host",
                "RenderWidgetHostImpl::OnMsgDidActivateAcceleratedCompositing",
                "activated", activated);
   is_accelerated_compositing_active_ = activated;
   if (view_)
     view_->OnAcceleratedCompositingStateChange();
 }
 
 void RenderWidgetHostImpl::OnMsgLockMouse(bool user_gesture,
-                                          bool last_unlocked_by_target) {
+                                          bool last_unlocked_by_target,
+                                          bool privileged) {
 
   if (pending_mouse_lock_request_) {
     Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
     return;
   } else if (IsMouseLocked()) {
     Send(new ViewMsg_LockMouse_ACK(routing_id_, true));
     return;
   }
 
   pending_mouse_lock_request_ = true;
-  RequestToLockMouse(user_gesture, last_unlocked_by_target);
+  if (privileged && allow_privileged_mouse_lock_) {
+    // Directly approve to lock the mouse.
+    GotResponseToLockMouseRequest(true);
+  } else {
+    RequestToLockMouse(user_gesture, last_unlocked_by_target);
+  }
 }
 
 void RenderWidgetHostImpl::OnMsgUnlockMouse() {
   RejectMouseLockOrUnlockIfNecessary();
 }
 
 #if defined(OS_POSIX) || defined(USE_AURA)
 void RenderWidgetHostImpl::OnMsgGetScreenInfo(gfx::NativeViewId window_id,
                                               WebKit::WebScreenInfo* results) {
   if (view_)
@@ skipping 283 matching lines @@
   // indicate that no callback is in progress (i.e. without this line
   // DelayedAutoResized will not get called again).
   new_auto_size_.SetSize(0, 0);
   if (!should_auto_resize_)
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 }  // namespace content