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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 "ui/aura_shell/launcher/tabbed_launcher_button.h"
#include <algorithm>
#include "grit/ui_resources.h"
#include "ui/aura_shell/launcher/launcher_button_host.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/insets.h"
namespace aura_shell {
namespace internal {
// The images drawn inside the background tab are drawn at this offset from
// the edge.
const int kBgImageContentInset = 12;
// Padding between each of the images.
const int kImagePadding = 8;
// Insets used in painting the background if it's rendered bigger than the size
// of the background image. See ImagePainter::CreateImagePainter for how these
// are interpreted.
const int kBgTopInset = 12;
const int kBgLeftInset = 30;
const int kBgBottomInset = 12;
const int kBgRightInset = 8;
// static
SkBitmap* TabbedLauncherButton::bg_image_1_ = NULL;
SkBitmap* TabbedLauncherButton::bg_image_2_ = NULL;
SkBitmap* TabbedLauncherButton::bg_image_3_ = NULL;
TabbedLauncherButton::TabbedLauncherButton(views::ButtonListener* listener,
LauncherButtonHost* host)
: views::CustomButton(listener),
host_(host) {
if (!bg_image_1_) {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
bg_image_1_ = new SkBitmap(
*rb.GetImageNamed(IDR_AURA_LAUNCHER_TABBED_BROWSER_1).ToSkBitmap());
bg_image_2_ = new SkBitmap(
*rb.GetImageNamed(IDR_AURA_LAUNCHER_TABBED_BROWSER_2).ToSkBitmap());
bg_image_3_ = new SkBitmap(
*rb.GetImageNamed(IDR_AURA_LAUNCHER_TABBED_BROWSER_3).ToSkBitmap());
}
}
TabbedLauncherButton::~TabbedLauncherButton() {
}
void TabbedLauncherButton::SetImages(const LauncherTabbedImages& images) {
images_ = images;
}
gfx::Size TabbedLauncherButton::GetPreferredSize() {
return gfx::Size(bg_image_1_->width(), bg_image_1_->height());
}
void TabbedLauncherButton::OnPaint(gfx::Canvas* canvas) {
SkBitmap* bg_image = NULL;
if (images_.size() <= 1)
bg_image = bg_image_1_;
else if (images_.size() == 2)
bg_image = bg_image_2_;
else
bg_image = bg_image_3_;
canvas->DrawBitmapInt(*bg_image, 0, 0);
if (images_.empty())
return;
// Only show the first icon.
// TODO(sky): if we settle on just 1 icon, then we should simplify surrounding
// code (don't use a vector of images).
int x = (width() - images_[0].image.width()) / 2;
int y = (height() - images_[0].image.height()) / 2;
canvas->DrawBitmapInt(images_[0].image, x, y);
}
bool TabbedLauncherButton::OnMousePressed(const views::MouseEvent& event) {
CustomButton::OnMousePressed(event);
host_->MousePressedOnButton(this, event);
return true;
}
void TabbedLauncherButton::OnMouseReleased(const views::MouseEvent& event) {
host_->MouseReleasedOnButton(this, false);
CustomButton::OnMouseReleased(event);
}
void TabbedLauncherButton::OnMouseCaptureLost() {
host_->MouseReleasedOnButton(this, true);
CustomButton::OnMouseCaptureLost();
}
bool TabbedLauncherButton::OnMouseDragged(const views::MouseEvent& event) {
CustomButton::OnMouseDragged(event);
host_->MouseDraggedOnButton(this, event);
return true;
}
} // namespace internal
} // namespace aura_shell
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