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| 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_capture_client.h" | |
| 6 | |
| 7 #include "ui/aura/root_window.h" | |
| 8 #include "ui/aura/window.h" | |
| 9 | |
| 10 namespace views { | |
| 11 | |
| 12 DesktopCaptureClient::DesktopCaptureClient() : capture_window_(NULL) { | |
| 13 } | |
| 14 | |
| 15 DesktopCaptureClient::~DesktopCaptureClient() { | |
| 16 } | |
| 17 | |
| 18 void DesktopCaptureClient::SetCapture(aura::Window* window) { | |
| 19 if (window) { | |
| 20 DCHECK(window->GetRootWindow()); | |
| 21 if (capture_window_) | |
| 22 DCHECK_EQ(window->GetRootWindow(), capture_window_->GetRootWindow()); | |
| 23 } | |
| 24 | |
| 25 aura::Window* old_capture = capture_window_; | |
| 26 capture_window_ = window; | |
| 27 | |
| 28 aura::RootWindow* root_window = window ? window->GetRootWindow() : | |
| 29 capture_window_ ? capture_window_->GetRootWindow() : NULL; | |
| 30 if (root_window) | |
| 31 root_window->UpdateCapture(old_capture, window); | |
| 32 } | |
| 33 | |
| 34 void DesktopCaptureClient::ReleaseCapture(aura::Window* window) { | |
| 35 if (capture_window_ != window) | |
| 36 return; | |
| 37 SetCapture(NULL); | |
| 38 } | |
| 39 | |
| 40 aura::Window* DesktopCaptureClient::GetCaptureWindow() { | |
| 41 return capture_window_; | |
| 42 } | |
| 43 | |
| 44 } // namespace views | |
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