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// 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 "ui/aura/client/default_capture_client.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_tree_host.h"
namespace aura {
namespace client {
DefaultCaptureClient::DefaultCaptureClient(Window* root_window)
: root_window_(root_window),
capture_window_(NULL) {
SetCaptureClient(root_window_, this);
}
DefaultCaptureClient::~DefaultCaptureClient() {
SetCaptureClient(root_window_, NULL);
}
void DefaultCaptureClient::SetCapture(Window* window) {
if (capture_window_ == window)
return;
if (window) {
ui::GestureRecognizer::Get()->TransferEventsTo(
capture_window_, window);
}
Window* old_capture_window = capture_window_;
capture_window_ = window;
CaptureDelegate* capture_delegate = root_window_->GetHost()->dispatcher();
if (capture_window_)
capture_delegate->SetNativeCapture();
else
capture_delegate->ReleaseNativeCapture();
capture_delegate->UpdateCapture(old_capture_window, capture_window_);
}
void DefaultCaptureClient::ReleaseCapture(Window* window) {
if (capture_window_ != window)
return;
SetCapture(NULL);
}
Window* DefaultCaptureClient::GetCaptureWindow() {
return capture_window_;
}
Window* DefaultCaptureClient::GetGlobalCaptureWindow() {
return capture_window_;
}
} // namespace client
} // namespace aura
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