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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/speech/speech_input_bubble.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/ui/gtk/gtk_theme_provider.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "chrome/browser/ui/gtk/info_bubble_gtk.h"
#include "chrome/browser/ui/gtk/owned_widget_gtk.h"
#include "gfx/gtk_util.h"
#include "gfx/rect.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
namespace {
const int kBubbleControlVerticalSpacing = 10;
const int kBubbleControlHorizontalSpacing = 20;
const int kIconHorizontalPadding = 30;
const int kButtonBarHorizontalSpacing = 10;
// Use black for text labels since the bubble has white background.
const GdkColor kLabelTextColor = gtk_util::kGdkBlack;
// Implementation of SpeechInputBubble for GTK. This shows a speech input
// info bubble on screen.
class SpeechInputBubbleGtk
: public SpeechInputBubbleBase,
public InfoBubbleGtkDelegate {
public:
SpeechInputBubbleGtk(TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect);
~SpeechInputBubbleGtk();
private:
// InfoBubbleDelegate methods.
virtual void InfoBubbleClosing(InfoBubbleGtk* info_bubble,
bool closed_by_escape);
// SpeechInputBubble methods.
virtual void Show();
virtual void Hide();
virtual void UpdateLayout();
virtual void SetImage(const SkBitmap& image);
CHROMEGTK_CALLBACK_0(SpeechInputBubbleGtk, void, OnCancelClicked);
CHROMEGTK_CALLBACK_0(SpeechInputBubbleGtk, void, OnTryAgainClicked);
Delegate* delegate_;
InfoBubbleGtk* info_bubble_;
gfx::Rect element_rect_;
bool did_invoke_close_;
GtkWidget* label_;
GtkWidget* try_again_button_;
GtkWidget* icon_;
DISALLOW_COPY_AND_ASSIGN(SpeechInputBubbleGtk);
};
SpeechInputBubbleGtk::SpeechInputBubbleGtk(TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect)
: SpeechInputBubbleBase(tab_contents),
delegate_(delegate),
info_bubble_(NULL),
element_rect_(element_rect),
did_invoke_close_(false),
label_(NULL),
try_again_button_(NULL),
icon_(NULL) {
}
SpeechInputBubbleGtk::~SpeechInputBubbleGtk() {
// The |Close| call below invokes our |InfoBubbleClosing| method. Since we
// were destroyed by the caller we don't need to call them back, hence set
// this flag here.
did_invoke_close_ = true;
Hide();
}
void SpeechInputBubbleGtk::InfoBubbleClosing(InfoBubbleGtk* info_bubble,
bool closed_by_escape) {
info_bubble_ = NULL;
if (!did_invoke_close_)
delegate_->InfoBubbleFocusChanged();
}
void SpeechInputBubbleGtk::OnCancelClicked(GtkWidget* widget) {
delegate_->InfoBubbleButtonClicked(BUTTON_CANCEL);
}
void SpeechInputBubbleGtk::OnTryAgainClicked(GtkWidget* widget) {
delegate_->InfoBubbleButtonClicked(BUTTON_TRY_AGAIN);
}
void SpeechInputBubbleGtk::Show() {
if (info_bubble_)
return; // Nothing further to do since the bubble is already visible.
// We use a vbox to arrange the controls (label, image, button bar) vertically
// and the button bar is a hbox holding the 2 buttons (try again and cancel).
// To get horizontal space around them we place this vbox with padding in a
// GtkAlignment below.
GtkWidget* vbox = gtk_vbox_new(FALSE, kBubbleControlVerticalSpacing);
label_ = gtk_label_new(NULL);
gtk_util::SetLabelColor(label_, &kLabelTextColor);
gtk_box_pack_start(GTK_BOX(vbox), label_, FALSE, FALSE, 0);
// The icon with a some padding on the left and right.
GtkWidget* icon_container = gtk_alignment_new(0, 0, 0, 0);
gtk_alignment_set_padding(GTK_ALIGNMENT(icon_container), 0, 0,
kIconHorizontalPadding, kIconHorizontalPadding);
icon_ = gtk_image_new();
gtk_container_add(GTK_CONTAINER(icon_container), icon_);
gtk_box_pack_start(GTK_BOX(vbox), icon_container, FALSE, FALSE, 0);
GtkWidget* button_bar = gtk_hbox_new(FALSE, kButtonBarHorizontalSpacing);
gtk_box_pack_start(GTK_BOX(vbox), button_bar, FALSE, FALSE, 0);
GtkWidget* cancel_button = gtk_button_new_with_label(
l10n_util::GetStringUTF8(IDS_CANCEL).c_str());
gtk_box_pack_start(GTK_BOX(button_bar), cancel_button, TRUE, FALSE, 0);
g_signal_connect(cancel_button, "clicked",
G_CALLBACK(&OnCancelClickedThunk), this);
try_again_button_ = gtk_button_new_with_label(
l10n_util::GetStringUTF8(IDS_SPEECH_INPUT_TRY_AGAIN).c_str());
gtk_box_pack_start(GTK_BOX(button_bar), try_again_button_, TRUE, FALSE, 0);
g_signal_connect(try_again_button_, "clicked",
G_CALLBACK(&OnTryAgainClickedThunk), this);
GtkWidget* content = gtk_alignment_new(0, 0, 0, 0);
gtk_alignment_set_padding(GTK_ALIGNMENT(content),
kBubbleControlVerticalSpacing, kBubbleControlVerticalSpacing,
kBubbleControlHorizontalSpacing, kBubbleControlHorizontalSpacing);
gtk_container_add(GTK_CONTAINER(content), vbox);
GtkThemeProvider* theme_provider = GtkThemeProvider::GetFrom(
tab_contents()->profile());
gfx::Rect rect(element_rect_.x() + kBubbleTargetOffsetX,
element_rect_.y() + element_rect_.height(), 1, 1);
info_bubble_ = InfoBubbleGtk::Show(tab_contents()->GetNativeView(),
&rect,
content,
InfoBubbleGtk::ARROW_LOCATION_TOP_LEFT,
false, // match_system_theme
true, // grab_input
theme_provider,
this);
UpdateLayout();
}
void SpeechInputBubbleGtk::Hide() {
if (info_bubble_)
info_bubble_->Close();
}
void SpeechInputBubbleGtk::UpdateLayout() {
if (!info_bubble_)
return;
if (display_mode() == DISPLAY_MODE_MESSAGE) {
// Message text and the Try Again + Cancel buttons are visible, hide the
// icon.
gtk_label_set_text(GTK_LABEL(label_),
UTF16ToUTF8(message_text()).c_str());
gtk_widget_show(try_again_button_);
gtk_widget_hide(icon_);
} else {
// Heading text, icon and cancel button are visible, hide the Try Again
// button.
if (display_mode() == DISPLAY_MODE_RECORDING) {
gtk_label_set_text(GTK_LABEL(label_),
l10n_util::GetStringUTF8(IDS_SPEECH_INPUT_BUBBLE_HEADING).c_str());
SkBitmap* image = ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_SPEECH_INPUT_MIC_EMPTY);
GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(image);
gtk_image_set_from_pixbuf(GTK_IMAGE(icon_), pixbuf);
g_object_unref(pixbuf);
} else {
gtk_label_set_text(GTK_LABEL(label_),
l10n_util::GetStringUTF8(IDS_SPEECH_INPUT_BUBBLE_WORKING).c_str());
}
gtk_widget_show(icon_);
gtk_widget_hide(try_again_button_);
}
}
void SpeechInputBubbleGtk::SetImage(const SkBitmap& image) {
if (image.isNull())
return;
GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(&image);
gtk_image_set_from_pixbuf(GTK_IMAGE(icon_), pixbuf);
g_object_unref(pixbuf);
}
} // namespace
SpeechInputBubble* SpeechInputBubble::CreateNativeBubble(
TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect) {
return new SpeechInputBubbleGtk(tab_contents, delegate, element_rect);
}
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