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// Copyright (c) 2009 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/gtk/download_shelf_gtk.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/gfx/gtk_util.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/download/download_item_model.h"
#include "chrome/browser/download/download_util.h"
#include "chrome/browser/gtk/browser_window_gtk.h"
#include "chrome/browser/gtk/custom_button.h"
#include "chrome/browser/gtk/download_item_gtk.h"
#include "chrome/browser/gtk/gtk_chrome_link_button.h"
#include "chrome/browser/gtk/gtk_theme_provider.h"
#include "chrome/browser/gtk/slide_animator_gtk.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/gtk_util.h"
#include "chrome/common/notification_service.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
namespace {
// The height of the download items.
const int kDownloadItemHeight = download_util::kSmallProgressIconSize;
// Padding between the download widgets.
const int kDownloadItemPadding = 10;
// Padding between the top/bottom of the download widgets and the edge of the
// shelf.
const int kTopBottomPadding = 4;
// Padding between the left side of the shelf and the first download item.
const int kLeftPadding = 2;
// Padding between the right side of the shelf and the close button.
const int kRightPadding = 10;
// Border color (the top pixel of the shelf).
const GdkColor kBorderColor = GDK_COLOR_RGB(214, 214, 214);
// Speed of the shelf show/hide animation.
const int kShelfAnimationDurationMs = 120;
} // namespace
DownloadShelfGtk::DownloadShelfGtk(Browser* browser, GtkWidget* parent)
: browser_(browser),
is_showing_(false),
theme_provider_(GtkThemeProvider::GetFrom(browser->profile())) {
// Logically, the shelf is a vbox that contains two children: a one pixel
// tall event box, which serves as the top border, and an hbox, which holds
// the download items and other shelf widgets (close button, show-all-
// downloads link).
// To make things pretty, we have to add a few more widgets. To get padding
// right, we stick the hbox in an alignment. We put that alignment in an
// event box so we can color the background.
// Create the top border.
GtkWidget* top_border = gtk_event_box_new();
gtk_widget_set_size_request(GTK_WIDGET(top_border), 0, 1);
gtk_widget_modify_bg(top_border, GTK_STATE_NORMAL, &kBorderColor);
// Create |hbox_|.
hbox_.Own(gtk_hbox_new(FALSE, kDownloadItemPadding));
gtk_widget_set_size_request(hbox_.get(), -1, kDownloadItemHeight);
// Get the padding and background color for |hbox_| right.
GtkWidget* padding = gtk_alignment_new(0, 0, 1, 1);
// Subtract 1 from top spacing to account for top border.
gtk_alignment_set_padding(GTK_ALIGNMENT(padding),
kTopBottomPadding - 1, kTopBottomPadding, kLeftPadding, kRightPadding);
padding_bg_ = gtk_event_box_new();
gtk_container_add(GTK_CONTAINER(padding_bg_), padding);
gtk_container_add(GTK_CONTAINER(padding), hbox_.get());
GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), top_border, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), padding_bg_, FALSE, FALSE, 0);
// Put the shelf in an event box so it gets its own window, which makes it
// easier to get z-ordering right.
shelf_.Own(gtk_event_box_new());
gtk_container_add(GTK_CONTAINER(shelf_.get()), vbox);
// Create and pack the close button.
close_button_.reset(CustomDrawButton::CloseButton(theme_provider_));
gtk_util::CenterWidgetInHBox(hbox_.get(), close_button_->widget(), true, 0);
g_signal_connect(close_button_->widget(), "clicked",
G_CALLBACK(OnButtonClick), this);
// Create the "Show all downloads..." link and connect to the click event.
std::string link_text =
l10n_util::GetStringUTF8(IDS_SHOW_ALL_DOWNLOADS);
GtkWidget* link_button = gtk_chrome_link_button_new(link_text.c_str());
g_signal_connect(link_button, "clicked",
G_CALLBACK(OnButtonClick), this);
// Until we switch to vector graphics, force the font size.
// 13.4px == 10pt @ 96dpi
gtk_util::ForceFontSizePixels(GTK_CHROME_LINK_BUTTON(link_button)->label,
13.4);
// Make the download arrow icon.
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
GdkPixbuf* download_pixbuf = rb.GetPixbufNamed(IDR_DOWNLOADS_FAVICON);
GtkWidget* download_image = gtk_image_new_from_pixbuf(download_pixbuf);
// Pack the link and the icon in an hbox.
link_hbox_ = gtk_hbox_new(FALSE, 5);
gtk_util::CenterWidgetInHBox(link_hbox_, download_image, false, 0);
gtk_util::CenterWidgetInHBox(link_hbox_, link_button, false, 0);
gtk_box_pack_end(GTK_BOX(hbox_.get()), link_hbox_, FALSE, FALSE, 0);
slide_widget_.reset(new SlideAnimatorGtk(shelf_.get(),
SlideAnimatorGtk::UP,
kShelfAnimationDurationMs,
false, NULL));
theme_provider_->InitThemesFor(this);
registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
NotificationService::AllSources());
gtk_widget_show_all(shelf_.get());
// Stick ourselves at the bottom of the parent browser.
gtk_box_pack_end(GTK_BOX(parent), slide_widget_->widget(),
FALSE, FALSE, 0);
slide_widget_->Open();
}
DownloadShelfGtk::~DownloadShelfGtk() {
for (std::vector<DownloadItemGtk*>::iterator iter = download_items_.begin();
iter != download_items_.end(); ++iter) {
delete *iter;
}
shelf_.Destroy();
hbox_.Destroy();
}
void DownloadShelfGtk::AddDownload(BaseDownloadItemModel* download_model_) {
download_items_.push_back(new DownloadItemGtk(this, download_model_));
Show();
}
bool DownloadShelfGtk::IsShowing() const {
return slide_widget_->IsShowing();
}
bool DownloadShelfGtk::IsClosing() const {
return slide_widget_->IsClosing();
}
void DownloadShelfGtk::Show() {
slide_widget_->Open();
}
void DownloadShelfGtk::Close() {
// When we are closing, we can vertically overlap the render view. Make sure
// we are on top.
gdk_window_raise(shelf_.get()->window);
slide_widget_->Close();
// TODO(estade): Remove. The status bubble should query its window instead.
browser_->UpdateDownloadShelfVisibility(false);
}
void DownloadShelfGtk::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == NotificationType::BROWSER_THEME_CHANGED) {
GdkColor color = theme_provider_->GetGdkColor(
BrowserThemeProvider::COLOR_TOOLBAR);
gtk_widget_modify_bg(padding_bg_, GTK_STATE_NORMAL, &color);
}
}
int DownloadShelfGtk::GetHeight() const {
return slide_widget_->widget()->allocation.height;
}
void DownloadShelfGtk::RemoveDownloadItem(DownloadItemGtk* download_item) {
DCHECK(download_item);
std::vector<DownloadItemGtk*>::iterator i =
find(download_items_.begin(), download_items_.end(), download_item);
DCHECK(i != download_items_.end());
download_items_.erase(i);
delete download_item;
if (download_items_.empty()) {
slide_widget_->CloseWithoutAnimation();
// TODO(estade): Remove. The status bubble should query its window instead.
browser_->UpdateDownloadShelfVisibility(false);
}
}
GtkWidget* DownloadShelfGtk::GetRightBoundingWidget() const {
return link_hbox_;
}
GtkWidget* DownloadShelfGtk::GetHBox() const {
return hbox_.get();
}
// static
void DownloadShelfGtk::OnButtonClick(GtkWidget* button,
DownloadShelfGtk* shelf) {
if (button == shelf->close_button_->widget()) {
shelf->Close();
} else {
// The link button was clicked.
shelf->browser_->ShowDownloadsTab();
}
}
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