ui/views/widget/desktop_aura/x11_desktop_window_move_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/widget/desktop_aura/x11_desktop_window_move_client.h"
   6
   7 #include <X11/Xlib.h>
   8
   9 #include "base/debug/stack_trace.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/run_loop.h"
  12 #include "ui/aura/env.h"
  13 #include "ui/aura/window.h"
  14 #include "ui/aura/window_tree_host.h"
  15 #include "ui/base/x/x11_util.h"
  16 #include "ui/events/event.h"
  17 #include "ui/gfx/screen.h"
  18
  19 namespace views {
  20
  21 X11DesktopWindowMoveClient::X11DesktopWindowMoveClient()
  22     : move_loop_(this),
  23       host_(NULL) {
  24 }
  25
  26 X11DesktopWindowMoveClient::~X11DesktopWindowMoveClient() {}
  27
  28 void X11DesktopWindowMoveClient::OnMouseMovement(XMotionEvent* event) {
  29   gfx::Point cursor_point(event->x_root, event->y_root);
  30   gfx::Point system_loc = cursor_point - window_offset_;
  31   host_->SetBounds(gfx::Rect(system_loc, host_->GetBounds().size()));
  32 }
  33
  34 void X11DesktopWindowMoveClient::OnMouseReleased() {
  35   EndMoveLoop();
  36 }
  37
  38 void X11DesktopWindowMoveClient::OnMoveLoopEnded() {
  39   host_ = NULL;
  40 }
  41
  42 ////////////////////////////////////////////////////////////////////////////////
  43 // DesktopWindowTreeHostLinux, aura::client::WindowMoveClient implementation:
  44
  45 aura::client::WindowMoveResult X11DesktopWindowMoveClient::RunMoveLoop(
  46     aura::Window* source,
  47     const gfx::Vector2d& drag_offset,
  48     aura::client::WindowMoveSource move_source) {
  49   window_offset_ = drag_offset;
  50   host_ = source->GetHost();
  51
  52   source->SetCapture();
  53   bool success = move_loop_.RunMoveLoop(source, host_->last_cursor());
  54   return success ? aura::client::MOVE_SUCCESSFUL : aura::client::MOVE_CANCELED;
  55 }
  56
  57 void X11DesktopWindowMoveClient::EndMoveLoop() {
  58   move_loop_.EndMoveLoop();
  59 }
  60
  61 }  // namespace views