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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 "ash/wm/capture_controller.h"
#include "ash/shell.h"
#include "ui/aura/window.h"
#include "ui/aura/root_window.h"
namespace ash {
namespace internal {
////////////////////////////////////////////////////////////////////////////////
// CaptureController, public:
CaptureController::CaptureController()
: capture_window_(NULL) {
}
CaptureController::~CaptureController() {
}
////////////////////////////////////////////////////////////////////////////////
// CaptureController, client::CaptureClient implementation:
void CaptureController::SetCapture(aura::Window* new_capture_window) {
if (capture_window_ == new_capture_window)
return;
// Make sure window has a root window.
DCHECK(!new_capture_window || new_capture_window->GetRootWindow());
DCHECK(!capture_window_ || capture_window_->GetRootWindow());
aura::Window* old_capture_window = capture_window_;
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
for (Shell::RootWindowList::iterator iter = root_windows.begin();
iter != root_windows.end(); ++iter) {
aura::RootWindow* root_window = *iter;
root_window->gesture_recognizer()->
TransferEventsTo(old_capture_window, new_capture_window);
}
capture_window_ = new_capture_window;
for (Shell::RootWindowList::iterator iter = root_windows.begin();
iter != root_windows.end(); ++iter) {
aura::RootWindow* root_window = *iter;
root_window->UpdateCapture(old_capture_window, new_capture_window);
}
return;
}
void CaptureController::ReleaseCapture(aura::Window* window) {
if (capture_window_ != window)
return;
SetCapture(NULL);
}
aura::Window* CaptureController::GetCaptureWindow() {
return capture_window_;
}
} // namespace internal
} // namespace ash
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