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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/infobar_gtk.h"
#include <gtk/gtk.h>
#include "base/gfx/gtk_util.h"
#include "base/string_util.h"
#include "chrome/browser/gtk/custom_button.h"
#include "chrome/browser/gtk/infobar_container_gtk.h"
#include "chrome/browser/gtk/link_button_gtk.h"
namespace {
// TODO(estade): The background should be a gradient. For now we just use this
// solid color.
const GdkColor kBackgroundColor = GDK_COLOR_RGB(250, 230, 145);
// Border color (the top pixel of the infobar).
const GdkColor kBorderColor = GDK_COLOR_RGB(0xbe, 0xc8, 0xd4);
// The total height of the info bar.
const int kInfoBarHeight = 37;
// Pixels between infobar elements.
const int kElementPadding = 5;
// Extra padding on either end of info bar.
const int kLeftPadding = 5;
const int kRightPadding = 5;
}
InfoBar::InfoBar(InfoBarDelegate* delegate)
: container_(NULL),
delegate_(delegate) {
// Create |hbox_| and pad the sides.
hbox_ = gtk_hbox_new(FALSE, kElementPadding);
GtkWidget* padding = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(padding),
0, 0, kLeftPadding, kRightPadding);
GtkWidget* bg_box = gtk_event_box_new();
gtk_container_add(GTK_CONTAINER(padding), hbox_);
gtk_container_add(GTK_CONTAINER(bg_box), padding);
// Set the top border and background color.
gtk_widget_modify_bg(bg_box, GTK_STATE_NORMAL, &kBackgroundColor);
widget_.Own(gfx::CreateGtkBorderBin(bg_box, &kBorderColor,
1, 0, 0, 0));
gtk_widget_set_size_request(widget_.get(), -1, kInfoBarHeight);
// Add the icon on the left, if any.
SkBitmap* icon = delegate->GetIcon();
if (icon) {
GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(icon);
GtkWidget* image = gtk_image_new_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
gtk_box_pack_start(GTK_BOX(hbox_), image, FALSE, FALSE, 0);
}
close_button_.reset(CustomDrawButton::AddBarCloseButton(hbox_));
g_signal_connect(close_button_->widget(), "clicked",
G_CALLBACK(OnCloseButton), this);
g_object_set_data(G_OBJECT(widget_.get()), "info-bar", this);
}
InfoBar::~InfoBar() {
widget_.Destroy();
}
void InfoBar::AnimateOpen() {
// TODO(port): add animations. In the meantime just Open().
NOTIMPLEMENTED();
Open();
}
void InfoBar::Open() {
gtk_widget_show_all(widget_.get());
}
void InfoBar::AnimateClose() {
// TODO(port): add animations. In the meantime just Close().
NOTIMPLEMENTED();
Close();
}
void InfoBar::Close() {
gtk_widget_hide(widget_.get());
}
void InfoBar::RemoveInfoBar() const {
container_->RemoveDelegate(delegate_);
}
// static
void InfoBar::OnCloseButton(GtkWidget* button, InfoBar* info_bar) {
info_bar->AnimateClose();
}
// AlertInfoBar ----------------------------------------------------------------
class AlertInfoBar : public InfoBar {
public:
AlertInfoBar(AlertInfoBarDelegate* delegate)
: InfoBar(delegate) {
std::wstring text = delegate->GetMessageText();
GtkWidget* label = gtk_label_new(WideToUTF8(text).c_str());
gtk_box_pack_start(GTK_BOX(hbox_), label, FALSE, FALSE, 0);
}
};
// LinkInfoBar -----------------------------------------------------------------
class LinkInfoBar : public InfoBar {
public:
LinkInfoBar(LinkInfoBarDelegate* delegate)
: InfoBar(delegate) {
size_t link_offset;
std::wstring display_text =
delegate->GetMessageTextWithOffset(&link_offset);
std::wstring link_text = delegate->GetLinkText();
// Create the link button.
link_button_.reset(new LinkButtonGtk(WideToUTF8(link_text).c_str()));
g_signal_connect(link_button_->widget(), "clicked",
G_CALLBACK(OnLinkClick), this);
// If link_offset is npos, we right-align the link instead of embedding it
// in the text.
if (link_offset == std::wstring::npos) {
gtk_box_pack_end(GTK_BOX(hbox_), link_button_->widget(), FALSE, FALSE, 0);
GtkWidget* label = gtk_label_new(WideToUTF8(display_text).c_str());
gtk_box_pack_start(GTK_BOX(hbox_), label, FALSE, FALSE, 0);
} else {
GtkWidget* initial_label = gtk_label_new(
WideToUTF8(display_text.substr(0, link_offset)).c_str());
GtkWidget* trailing_label = gtk_label_new(
WideToUTF8(display_text.substr(link_offset)).c_str());
// We don't want any spacing between the elements, so we pack them into
// this hbox that doesn't use kElementPadding.
// TODO(estade): we need to reduce the padding on the button, because
// currently the link has extra space on either side and it looks odd.
GtkWidget* hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), initial_label, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), link_button_->widget(),
FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), trailing_label, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox_), hbox, FALSE, FALSE, 0);
}
}
private:
static void OnLinkClick(GtkWidget* button, LinkInfoBar* link_info_bar) {
// TODO(estade): we need an equivalent for DispositionFromEventFlags().
if (link_info_bar->delegate_->AsLinkInfoBarDelegate()->
LinkClicked(CURRENT_TAB)) {
link_info_bar->RemoveInfoBar();
}
}
// The clickable link text.
scoped_ptr<LinkButtonGtk> link_button_;
};
// ConfirmInfoBar --------------------------------------------------------------
class ConfirmInfoBar : public AlertInfoBar {
public:
ConfirmInfoBar(ConfirmInfoBarDelegate* delegate)
: AlertInfoBar(delegate) {
AddConfirmButton(ConfirmInfoBarDelegate::BUTTON_CANCEL);
AddConfirmButton(ConfirmInfoBarDelegate::BUTTON_OK);
}
private:
// Adds a button to the info bar by type. It will do nothing if the delegate
// doesn't specify a button of the given type.
void AddConfirmButton(ConfirmInfoBarDelegate::InfoBarButton type) {
if (delegate_->AsConfirmInfoBarDelegate()->GetButtons() & type) {
GtkWidget* button = gtk_button_new_with_label(WideToUTF8(
delegate_->AsConfirmInfoBarDelegate()->GetButtonLabel(type)).c_str());
GtkWidget* centering_vbox = gtk_vbox_new(FALSE, 0);
gtk_box_pack_end(GTK_BOX(centering_vbox), button, TRUE, FALSE, 0);
gtk_box_pack_end(GTK_BOX(hbox_), centering_vbox, FALSE, FALSE, 0);
g_signal_connect(button, "clicked",
G_CALLBACK(type == ConfirmInfoBarDelegate::BUTTON_OK ?
OnOkButton : OnCancelButton),
this);
}
}
static void OnCancelButton(GtkWidget* button, ConfirmInfoBar* info_bar) {
if (info_bar->delegate_->AsConfirmInfoBarDelegate()->Cancel())
info_bar->RemoveInfoBar();
}
static void OnOkButton(GtkWidget* button, ConfirmInfoBar* info_bar) {
if (info_bar->delegate_->AsConfirmInfoBarDelegate()->Accept())
info_bar->RemoveInfoBar();
}
};
// AlertInfoBarDelegate, InfoBarDelegate overrides: ----------------------------
InfoBar* AlertInfoBarDelegate::CreateInfoBar() {
return new AlertInfoBar(this);
}
// LinkInfoBarDelegate, InfoBarDelegate overrides: -----------------------------
InfoBar* LinkInfoBarDelegate::CreateInfoBar() {
return new LinkInfoBar(this);
}
// ConfirmInfoBarDelegate, InfoBarDelegate overrides: --------------------------
InfoBar* ConfirmInfoBarDelegate::CreateInfoBar() {
return new ConfirmInfoBar(this);
}
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