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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/status_bubble_gtk.h"
#include <gtk/gtk.h>
#include "app/gfx/text_elider.h"
#include "base/gfx/gtk_util.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "chrome/browser/gtk/gtk_theme_provider.h"
#include "chrome/browser/gtk/slide_animator_gtk.h"
#include "chrome/common/gtk_util.h"
#include "chrome/common/notification_service.h"
#include "googleurl/src/gurl.h"
namespace {
const GdkColor kTextColor = GDK_COLOR_RGB(100, 100, 100);
const GdkColor kBackgroundColor = GDK_COLOR_RGB(0xe6, 0xed, 0xf4);
const GdkColor kFrameBorderColor = GDK_COLOR_RGB(0xbe, 0xc8, 0xd4);
// Inner padding between the border and the text label.
const int kInternalTopBottomPadding = 1;
const int kInternalLeftRightPadding = 2;
// Border of color kFrameBorderColor around the status bubble.
const int kBorderPadding = 1;
// Milliseconds before we hide the status bubble widget when you mouseout.
static const int kHideDelay = 250;
} // namespace
StatusBubbleGtk::StatusBubbleGtk(Profile* profile)
: theme_provider_(GtkThemeProvider::GetFrom(profile)),
timer_factory_(this) {
InitWidgets();
registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
NotificationService::AllSources());
}
StatusBubbleGtk::~StatusBubbleGtk() {
container_.Destroy();
}
void StatusBubbleGtk::SetStatus(const std::wstring& status_text_wide) {
std::string status_text = WideToUTF8(status_text_wide);
if (status_text_ == status_text)
return;
status_text_ = status_text;
if (!status_text_.empty()) {
SetStatusTextTo(status_text_);
} else if (!url_text_.empty()) {
SetStatusTextTo(url_text_);
} else {
SetStatusTextTo(std::string());
}
}
void StatusBubbleGtk::SetURL(const GURL& url, const std::wstring& languages) {
// If we want to clear a displayed URL but there is a status still to
// display, display that status instead.
if (url.is_empty() && !status_text_.empty()) {
url_text_ = std::string();
SetStatusTextTo(status_text_);
return;
}
// Set Elided Text corresponding to the GURL object. We limit the width of
// the URL to a third of the width of the browser window (matching the width
// on Windows).
GtkWidget* parent = gtk_widget_get_parent(container_.get());
int window_width = parent->allocation.width;
// TODO(tc): We don't actually use gfx::Font as the font in the status
// bubble. We should extend gfx::ElideUrl to take some sort of pango font.
url_text_ = WideToUTF8(gfx::ElideUrl(url, gfx::Font(), window_width / 3,
languages));
SetStatusTextTo(url_text_);
}
void StatusBubbleGtk::Show() {
// If we were going to hide, stop.
timer_factory_.RevokeAll();
gtk_widget_show_all(container_.get());
if (container_->window)
gdk_window_raise(container_->window);
}
void StatusBubbleGtk::Hide() {
gtk_widget_hide_all(container_.get());
}
void StatusBubbleGtk::SetStatusTextTo(const std::string& status_utf8) {
if (status_utf8.empty()) {
HideInASecond();
} else {
gtk_label_set_text(GTK_LABEL(label_), status_utf8.c_str());
Show();
}
}
void StatusBubbleGtk::HideInASecond() {
if (!timer_factory_.empty())
timer_factory_.RevokeAll();
MessageLoop::current()->PostDelayedTask(FROM_HERE,
timer_factory_.NewRunnableMethod(&StatusBubbleGtk::Hide),
kHideDelay);
}
void StatusBubbleGtk::MouseMoved() {
// We can't do that fancy sliding behaviour where the status bubble slides
// out of the window because the window manager gets in the way. So totally
// ignore this message for now.
//
// TODO(erg): At least get some sliding behaviour so that it slides out of
// the way to hide the status bubble on mouseover.
}
void StatusBubbleGtk::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == NotificationType::BROWSER_THEME_CHANGED) {
UserChangedTheme();
}
}
void StatusBubbleGtk::InitWidgets() {
label_ = gtk_label_new(NULL);
GtkWidget* padding = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(padding),
kInternalTopBottomPadding, kInternalTopBottomPadding,
kInternalLeftRightPadding, kInternalLeftRightPadding);
gtk_container_add(GTK_CONTAINER(padding), label_);
bg_box_ = gtk_event_box_new();
gtk_container_add(GTK_CONTAINER(bg_box_), padding);
container_.Own(gtk_util::CreateGtkBorderBin(bg_box_, &kFrameBorderColor,
kBorderPadding, kBorderPadding, kBorderPadding, kBorderPadding));
gtk_widget_set_name(container_.get(), "status-bubble");
gtk_widget_set_app_paintable(container_.get(), TRUE);
UserChangedTheme();
}
void StatusBubbleGtk::UserChangedTheme() {
if (theme_provider_->UseGtkTheme()) {
gtk_widget_modify_fg(label_, GTK_STATE_NORMAL, NULL);
gtk_widget_modify_bg(bg_box_, GTK_STATE_NORMAL, NULL);
} else {
// TODO(erg): This is the closest to "text that will look good on a
// toolbar" that I can find. Maybe in later iterations of the theme system,
// there will be a better color to pick.
GdkColor bookmark_text =
theme_provider_->GetGdkColor(BrowserThemeProvider::COLOR_BOOKMARK_TEXT);
gtk_widget_modify_fg(label_, GTK_STATE_NORMAL, &bookmark_text);
GdkColor toolbar_color =
theme_provider_->GetGdkColor(BrowserThemeProvider::COLOR_TOOLBAR);
gtk_widget_modify_bg(bg_box_, GTK_STATE_NORMAL, &toolbar_color);
}
// TODO(erg): I don't know what to do with the status bubble border
// (|container_|). There needs to be a border in GTK mode, and I'm not sure
// which BrowserThemeProvider::COLOR I'm supposed to use here since the Views
// implementation still uses constants in the equivalent, and it's used for
// alpha blending instead of drawing a real border.
//
// This doesn't really matter because this part of the UI needs to be
// rewritten per the UI review anyway; we should be matching windows with a
// semi-transparent, rounded border instead of our constantly
// CreateGtkBorderBin() usage.
}
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