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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/dialog_frame_view.h"
#include "grit/ui_resources_standard.h"
#include "ui/base/hit_test.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/font.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/insets.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace {
// TODO(benrg): Make frame shadow and stroke agree with the spec.
// TODO(benrg): Title bar text should be #222, not black. Text in the client
// area should also be #222, but is currently usually black. Punting on this
// until the overhaul of color handling that will be happening Real Soon Now.
const SkColor kDialogTitleColor = SK_ColorBLACK;
const SkColor kDialogBackgroundColor = SK_ColorWHITE;
// Dialog-size-dependent padding values from the spec, in pixels.
const int kGoogleSmallDialogVPadding = 16;
const int kGoogleSmallDialogHPadding = 20;
const int kGoogleMediumDialogVPadding = 28;
const int kGoogleMediumDialogHPadding = 32;
const int kGoogleLargeDialogVPadding = 30;
const int kGoogleLargeDialogHPadding = 42;
// Dialog layouts themselves contain some padding, which should be ignored in
// favor of the padding values above. Currently we hack it by nudging the
// client area outward.
const int kDialogHPaddingNudge = 13;
const int kDialogTopPaddingNudge = 5;
const int kDialogBottomPaddingNudge = 10;
// TODO(benrg): There are no examples in the spec of close boxes on medium- or
// small-size dialogs, and the close button size is not factored into other
// sizing decisions. This value could cause problems with smaller dialogs.
const int kCloseButtonSize = 44;
const gfx::Font& GetTitleFont() {
static gfx::Font* title_font = NULL;
if (!title_font)
title_font = new gfx::Font(gfx::Font().DeriveFont(4, gfx::Font::NORMAL));
return *title_font;
}
} // namespace
namespace ash {
namespace internal {
// static
const char DialogFrameView::kViewClassName[] = "ash/wm/DialogFrameView";
////////////////////////////////////////////////////////////////////////////////
// DialogFrameView, public:
DialogFrameView::DialogFrameView() {
set_background(views::Background::CreateSolidBackground(
kDialogBackgroundColor));
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
close_button_ = new views::ImageButton(this);
close_button_->SetImage(views::CustomButton::BS_NORMAL,
rb.GetImageNamed(IDR_CLOSE_BAR).ToSkBitmap());
close_button_->SetImage(views::CustomButton::BS_HOT,
rb.GetImageNamed(IDR_CLOSE_BAR_H).ToSkBitmap());
close_button_->SetImage(views::CustomButton::BS_PUSHED,
rb.GetImageNamed(IDR_CLOSE_BAR_P).ToSkBitmap());
close_button_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
views::ImageButton::ALIGN_MIDDLE);
AddChildView(close_button_);
}
DialogFrameView::~DialogFrameView() {
}
////////////////////////////////////////////////////////////////////////////////
// DialogFrameView, views::NonClientFrameView:
gfx::Rect DialogFrameView::GetBoundsForClientView() const {
gfx::Rect client_bounds = GetLocalBounds();
client_bounds.Inset(GetClientInsets());
return client_bounds;
}
gfx::Rect DialogFrameView::GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) const {
gfx::Rect window_bounds = client_bounds;
window_bounds.Inset(-GetClientInsets());
return window_bounds;
}
int DialogFrameView::NonClientHitTest(const gfx::Point& point) {
if (close_button_->GetMirroredBounds().Contains(point))
return HTCLOSE;
return point.y() < GetClientInsets().top() ? HTCAPTION : HTCLIENT;
}
void DialogFrameView::GetWindowMask(const gfx::Size& size,
gfx::Path* window_mask) {
// Nothing to do.
}
void DialogFrameView::ResetWindowControls() {
// Nothing to do.
}
void DialogFrameView::UpdateWindowIcon() {
// Nothing to do.
}
////////////////////////////////////////////////////////////////////////////////
// DialogFrameView, views::View overrides:
std::string DialogFrameView::GetClassName() const {
return kViewClassName;
}
void DialogFrameView::Layout() {
title_display_rect_ = GetLocalBounds();
title_display_rect_.Inset(GetPaddingInsets());
title_display_rect_.set_height(GetTitleFont().GetHeight());
// The hot rectangle for the close button is flush with the upper right of the
// dialog. The close button image is smaller, and is centered in the hot rect.
close_button_->SetBounds(
width() - kCloseButtonSize,
0, kCloseButtonSize, kCloseButtonSize);
}
void DialogFrameView::OnPaint(gfx::Canvas* canvas) {
views::View::OnPaint(canvas);
views::WidgetDelegate* delegate = GetWidget()->widget_delegate();
if (!delegate)
return;
canvas->DrawStringInt(delegate->GetWindowTitle(), GetTitleFont(),
kDialogTitleColor, title_display_rect_);
}
////////////////////////////////////////////////////////////////////////////////
// DialogFrameView, views::ButtonListener overrides:
void DialogFrameView::ButtonPressed(views::Button* sender,
const views::Event& event) {
if (sender == close_button_)
GetWidget()->Close();
}
////////////////////////////////////////////////////////////////////////////////
// DialogFrameView, private:
gfx::Insets DialogFrameView::GetPaddingInsets() const {
// These three discrete padding sizes come from the spec. If we ever wanted
// our Google-style dialogs to be resizable, we would probably need to
// smoothly interpolate the padding size instead.
int v_padding, h_padding;
if (width() <= 280) {
v_padding = kGoogleSmallDialogVPadding;
h_padding = kGoogleSmallDialogHPadding;
} else if (width() <= 480) {
v_padding = kGoogleMediumDialogVPadding;
h_padding = kGoogleMediumDialogHPadding;
} else {
v_padding = kGoogleLargeDialogVPadding;
h_padding = kGoogleLargeDialogHPadding;
}
return gfx::Insets(v_padding, h_padding, v_padding, h_padding);
}
gfx::Insets DialogFrameView::GetClientInsets() const {
gfx::Insets insets = GetPaddingInsets();
// The title should be separated from the client area by 1 em (dialog spec),
// and one em is equal to the font size (CSS spec).
insets += gfx::Insets(
GetTitleFont().GetHeight() + GetTitleFont().GetFontSize() -
kDialogTopPaddingNudge,
-kDialogHPaddingNudge,
-kDialogBottomPaddingNudge,
-kDialogHPaddingNudge);
return insets;
}
} // namespace internal
} // namespace views
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