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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 "chrome/browser/chromeos/status/status_area_button.h"
#include "gfx/canvas.h"
#include "gfx/skbitmap_operations.h"
#include "grit/theme_resources.h"
#include "views/border.h"
#include "views/view.h"
namespace chromeos {
// A 0.7 black to decorate status text. Same color is used for icon borders.
static const SkColor kStatusTextHaloColor = SkColorSetARGB(0xB3, 0, 0, 0);
////////////////////////////////////////////////////////////////////////////////
// StatusAreaButton
StatusAreaButton::StatusAreaButton(views::ViewMenuDelegate* menu_delegate)
: MenuButton(NULL, std::wstring(), menu_delegate, false),
use_menu_button_paint_(false), active_(true) {
set_border(NULL);
// Use an offset that is top aligned with toolbar.
set_menu_offset(0, 2);
// Use a halo for status text as the icons.
SetTextHaloColor(kStatusTextHaloColor);
}
void StatusAreaButton::Paint(gfx::Canvas* canvas, bool for_drag) {
if (state() == BS_PUSHED) {
// Apply 10% white when pushed down.
canvas->FillRectInt(SkColorSetARGB(0x19, 0xFF, 0xFF, 0xFF),
0, 0, width(), height());
}
if (use_menu_button_paint_) {
views::MenuButton::Paint(canvas, for_drag);
} else {
DrawIcon(canvas);
PaintFocusBorder(canvas);
}
}
gfx::Size StatusAreaButton::GetPreferredSize() {
gfx::Insets insets = views::MenuButton::GetInsets();
gfx::Size prefsize(icon_width() + insets.width(),
icon_height() + insets.height());
// Adjusts size when use menu button paint.
if (use_menu_button_paint_) {
gfx::Size menu_button_size = views::MenuButton::GetPreferredSize();
prefsize.SetSize(
std::max(prefsize.width(), menu_button_size.width()),
std::max(prefsize.height(), menu_button_size.height())
);
// Shift 1-pixel down for odd number of pixels in vertical space.
if ((prefsize.height() - menu_button_size.height()) % 2) {
insets_.Set(insets.top() + 1, insets.left(),
insets.bottom(), insets.right());
}
}
// Add padding.
prefsize.Enlarge(2 * horizontal_padding(), 0);
return prefsize;
}
gfx::Insets StatusAreaButton::GetInsets() const {
return insets_;
}
void StatusAreaButton::SetText(const std::wstring& text) {
// TextButtons normally remember the max text size, so the button's preferred
// size will always be as large as the largest text ever put in it.
// We clear that max text size, so we can adjust the size to fit the text.
ClearMaxTextSize();
views::MenuButton::SetText(text);
}
void StatusAreaButton::DrawIcon(gfx::Canvas* canvas) {
canvas->DrawBitmapInt(icon(), horizontal_padding(), 0);
}
bool StatusAreaButton::Activate() {
if (active_) {
return views::MenuButton::Activate();
} else {
return true;
}
}
} // namespace chromeos
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