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// Copyright (c) 2011 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/ui/views/avatar_menu_button.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/profile_menu_model.h"
#include "chrome/browser/ui/views/avatar_menu.h"
#include "ui/gfx/canvas_skia.h"
#include "views/widget/widget.h"
static inline int Round(double x) {
return static_cast<int>(x + 0.5);
}
AvatarMenuButton::AvatarMenuButton(Browser* browser, bool has_menu)
: MenuButton(NULL, std::wstring(), this, false),
browser_(browser),
has_menu_(has_menu) {
// In RTL mode, the avatar icon should be looking the opposite direction.
EnableCanvasFlippingForRTLUI(true);
}
AvatarMenuButton::~AvatarMenuButton() {}
void AvatarMenuButton::OnPaint(gfx::Canvas* canvas) {
const SkBitmap& icon = GetImageToPaint();
if (icon.isNull())
return;
// Scale the image to fit the width of the button.
int dst_width = std::min(icon.width(), width());
// Truncate rather than rounding, so that for odd widths we put the extra
// pixel on the left.
int dst_x = (width() - dst_width) / 2;
// Scale the height and maintain aspect ratio. This means that the
// icon may not fit in the view. That's ok, we just vertically center it.
float scale =
static_cast<float>(dst_width) / static_cast<float>(icon.width());
// Round here so that we minimize the aspect ratio drift.
int dst_height = Round(icon.height() * scale);
// Round rather than truncating, so that for odd heights we select an extra
// pixel below the image center rather than above. This is because the
// incognito image has shadows at the top that make the apparent center below
// the real center.
int dst_y = Round((height() - dst_height) / 2.0);
canvas->DrawBitmapInt(icon, 0, 0, icon.width(), icon.height(),
dst_x, dst_y, dst_width, dst_height, false);
}
bool AvatarMenuButton::HitTest(const gfx::Point& point) const {
if (!has_menu_)
return false;
return views::MenuButton::HitTest(point);
}
// views::ViewMenuDelegate implementation
void AvatarMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
if (!has_menu_)
return;
menu_model_.reset(new ProfileMenuModel(browser_));
// The avatar menu will automatically delete itself when done.
AvatarMenu* avatar_menu =
new AvatarMenu(menu_model_.get(), browser_->profile());
avatar_menu->RunMenu(this);
}
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