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// Copyright 2014 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/ime/mode_indicator_view.h"
#include "base/logging.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/wm/core/window_animations.h"
namespace ash {
namespace ime {
namespace {
// Minimum size of inner contents in pixel.
// 43 is the designed size including the default margin (6 * 2).
const int kMinSize = 31;
// After this duration in msec, the mode inicator will be fading out.
const int kShowingDuration = 500;
class ModeIndicatorFrameView : public views::BubbleFrameView {
public:
explicit ModeIndicatorFrameView(const gfx::Insets& content_margins)
: views::BubbleFrameView(content_margins) {}
virtual ~ModeIndicatorFrameView() {}
private:
// views::BubbleFrameView overrides:
virtual gfx::Rect GetAvailableScreenBounds(const gfx::Rect& rect) override {
return gfx::Screen::GetNativeScreen()->GetDisplayNearestPoint(
rect.CenterPoint()).bounds();
}
DISALLOW_COPY_AND_ASSIGN(ModeIndicatorFrameView);
};
} // namespace
ModeIndicatorView::ModeIndicatorView(gfx::NativeView parent,
const gfx::Rect& cursor_bounds,
const base::string16& label)
: cursor_bounds_(cursor_bounds),
label_view_(new views::Label(label)) {
set_can_activate(false);
set_accept_events(false);
set_parent_window(parent);
set_shadow(views::BubbleBorder::NO_SHADOW);
set_arrow(views::BubbleBorder::TOP_CENTER);
}
ModeIndicatorView::~ModeIndicatorView() {}
void ModeIndicatorView::ShowAndFadeOut() {
wm::SetWindowVisibilityAnimationTransition(
GetWidget()->GetNativeView(),
wm::ANIMATE_HIDE);
GetWidget()->Show();
timer_.Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(kShowingDuration),
GetWidget(),
&views::Widget::Close);
}
gfx::Size ModeIndicatorView::GetPreferredSize() const {
gfx::Size size = label_view_->GetPreferredSize();
size.SetToMax(gfx::Size(kMinSize, kMinSize));
return size;
}
void ModeIndicatorView::Init() {
SetLayoutManager(new views::FillLayout());
AddChildView(label_view_);
SetAnchorRect(cursor_bounds_);
}
views::NonClientFrameView* ModeIndicatorView::CreateNonClientFrameView(
views::Widget* widget) {
views::BubbleFrameView* frame = new ModeIndicatorFrameView(margins());
// arrow adjustment in BubbleDelegateView is unnecessary because arrow
// of this bubble is always center.
frame->SetBubbleBorder(scoped_ptr<views::BubbleBorder>(
new views::BubbleBorder(arrow(), shadow(), color())));
return frame;
}
} // namespace ime
} // namespace ash
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