| // 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_mouse_lock_dispatcher.h" |
| |
| #include "content/common/view_messages.h" |
| #include "content/renderer/render_view_impl.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "third_party/WebKit/public/web/WebWidget.h" |
| |
| using blink::WebUserGestureIndicator; |
| |
| namespace content { |
| |
| RenderViewMouseLockDispatcher::RenderViewMouseLockDispatcher( |
| RenderViewImpl* render_view_impl) |
| : RenderViewObserver(render_view_impl), |
| render_view_impl_(render_view_impl) { |
| } |
| |
| RenderViewMouseLockDispatcher::~RenderViewMouseLockDispatcher() { |
| } |
| |
| void RenderViewMouseLockDispatcher::SendLockMouseRequest( |
| bool unlocked_by_target) { |
| bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); |
| |
| Send(new ViewHostMsg_LockMouse(routing_id(), user_gesture, unlocked_by_target, |
| false)); |
| } |
| |
| void RenderViewMouseLockDispatcher::SendUnlockMouseRequest() { |
| Send(new ViewHostMsg_UnlockMouse(routing_id())); |
| } |
| |
| bool RenderViewMouseLockDispatcher::OnMessageReceived( |
| const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RenderViewMouseLockDispatcher, message) |
| IPC_MESSAGE_HANDLER(ViewMsg_LockMouse_ACK, OnLockMouseACK) |
| IPC_MESSAGE_FORWARD(ViewMsg_MouseLockLost, |
| static_cast<MouseLockDispatcher*>(this), |
| MouseLockDispatcher::OnMouseLockLost) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void RenderViewMouseLockDispatcher::OnLockMouseACK(bool succeeded) { |
| // Notify the base class. |
| MouseLockDispatcher::OnLockMouseACK(succeeded); |
| |
| // Mouse Lock removes the system cursor and provides all mouse motion as |
| // .movementX/Y values on events all sent to a fixed target. This requires |
| // content to specifically request the mode to be entered. |
| // Mouse Capture is implicitly given for the duration of a drag event, and |
| // sends all mouse events to the initial target of the drag. |
| // If Lock is entered it supercedes any in progress Capture. |
| if (succeeded && render_view_impl_->webwidget()) |
| render_view_impl_->webwidget()->mouseCaptureLost(); |
| } |
| |
| } // namespace content |