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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/shared/root_window_capture_client.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
namespace aura {
namespace shared {
////////////////////////////////////////////////////////////////////////////////
// RootWindowCaptureClient, public:
RootWindowCaptureClient::RootWindowCaptureClient(RootWindow* root_window)
: root_window_(root_window),
capture_window_(NULL) {
client::SetCaptureClient(root_window, this);
}
RootWindowCaptureClient::~RootWindowCaptureClient() {
client::SetCaptureClient(root_window_, NULL);
}
////////////////////////////////////////////////////////////////////////////////
// RootWindowCaptureClient, client::CaptureClient implementation:
void RootWindowCaptureClient::SetCapture(Window* window) {
if (capture_window_ == window)
return;
root_window_->gesture_recognizer()->TransferEventsTo(capture_window_, window);
aura::Window* old_capture_window = capture_window_;
capture_window_ = window;
if (capture_window_)
root_window_->SetNativeCapture();
else
root_window_->ReleaseNativeCapture();
root_window_->UpdateCapture(old_capture_window, capture_window_);
}
void RootWindowCaptureClient::ReleaseCapture(Window* window) {
if (capture_window_ != window)
return;
SetCapture(NULL);
}
Window* RootWindowCaptureClient::GetCaptureWindow() {
return capture_window_;
}
} // namespace shared
} // namespace aura
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