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// Copyright (c) 2010 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 "views/view.h"
#include "app/drag_drop_types.h"
#include "base/string_util.h"
#include "gfx/canvas.h"
#include "gfx/path.h"
#include "views/accessibility/view_accessibility.h"
#include "views/accessibility/view_accessibility_wrapper.h"
#include "views/border.h"
#include "views/views_delegate.h"
#include "views/widget/root_view.h"
#include "views/widget/widget.h"
#include "views/widget/widget_win.h"
namespace views {
// static
int View::GetDoubleClickTimeMS() {
return ::GetDoubleClickTime();
}
// static
int View::GetMenuShowDelay() {
static DWORD delay = 0;
if (!delay && !SystemParametersInfo(SPI_GETMENUSHOWDELAY, 0, &delay, 0))
delay = View::kShowFolderDropMenuDelay;
return delay;
}
void View::NotifyAccessibilityEvent(AccessibilityTypes::Event event_type,
bool send_native_event) {
// Send the notification to the delegate.
if (ViewsDelegate::views_delegate)
ViewsDelegate::views_delegate->NotifyAccessibilityEvent(this, event_type);
// Now call the Windows-specific method to notify MSAA clients of this
// event. The widget gives us a temporary unique child ID to associate
// with this view so that clients can call get_accChild in ViewAccessibility
// to retrieve the IAccessible associated with this view.
if (send_native_event) {
WidgetWin* view_widget = static_cast<WidgetWin*>(GetWidget());
int child_id = view_widget->AddAccessibilityViewEvent(this);
::NotifyWinEvent(ViewAccessibility::MSAAEvent(event_type),
view_widget->GetNativeView(), OBJID_CLIENT, child_id);
}
}
ViewAccessibilityWrapper* View::GetViewAccessibilityWrapper() {
if (accessibility_.get() == NULL) {
accessibility_.reset(new ViewAccessibilityWrapper(this));
}
return accessibility_.get();
}
int View::GetHorizontalDragThreshold() {
static int threshold = -1;
if (threshold == -1)
threshold = GetSystemMetrics(SM_CXDRAG) / 2;
return threshold;
}
int View::GetVerticalDragThreshold() {
static int threshold = -1;
if (threshold == -1)
threshold = GetSystemMetrics(SM_CYDRAG) / 2;
return threshold;
}
} // namespace views
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