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// Copyright (c) 2010 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 "chrome/browser/gtk/gtk_theme_provider.h"
#include "chrome/browser/gtk/info_bubble_gtk.h"
#include "chrome/browser/gtk/owned_widget_gtk.h"
#include "chrome/browser/tab_contents/tab_contents.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 = 50;
// Use black for text labels since the bubble has white background.
const GdkColor kLabelTextColor = gfx::kGdkBlack;
// Implementation of SpeechInputBubble for GTK. This shows a speech input
// info bubble on screen.
class SpeechInputBubbleGtk
: public SpeechInputBubble,
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 SetRecognizingMode();
CHROMEGTK_CALLBACK_0(SpeechInputBubbleGtk, void, OnCancelClicked);
Delegate* delegate_;
InfoBubbleGtk* info_bubble_;
GtkWidget* icon_;
OwnedWidgetGtk content_;
DISALLOW_COPY_AND_ASSIGN(SpeechInputBubbleGtk);
};
SpeechInputBubbleGtk::SpeechInputBubbleGtk(TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect)
: delegate_(delegate) {
// We use a vbox to arrange the 3 controls (label, image, button) vertically.
// To get horizontal space around them we place this vbox with padding in a
// GtkAlignment below.
GtkWidget* vbox = gtk_vbox_new(FALSE, kBubbleControlVerticalSpacing);
GtkWidget* heading_label = gtk_label_new(
l10n_util::GetStringUTF8(IDS_SPEECH_INPUT_BUBBLE_HEADING).c_str());
gtk_widget_modify_fg(heading_label, GTK_STATE_NORMAL, &kLabelTextColor);
gtk_box_pack_start(GTK_BOX(vbox), heading_label, FALSE, FALSE, 0);
SkBitmap* image = ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_SPEECH_INPUT_RECORDING);
GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(image);
icon_ = gtk_image_new_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
gtk_box_pack_start(GTK_BOX(vbox), icon_, FALSE, FALSE, 0);
GtkWidget* cancel_button = gtk_button_new_with_label(
l10n_util::GetStringUTF8(IDS_CANCEL).c_str());
gtk_box_pack_start(GTK_BOX(vbox), cancel_button, FALSE, FALSE, 0);
g_signal_connect(cancel_button, "clicked",
G_CALLBACK(&OnCancelClickedThunk), this);
content_.Own(gtk_alignment_new(0, 0, 0, 0));
gtk_alignment_set_padding(GTK_ALIGNMENT(content_.get()),
kBubbleControlVerticalSpacing, kBubbleControlVerticalSpacing,
kBubbleControlHorizontalSpacing, kBubbleControlHorizontalSpacing);
gtk_container_add(GTK_CONTAINER(content_.get()), 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_.get(),
InfoBubbleGtk::ARROW_LOCATION_TOP_LEFT,
false, // match_system_theme
true, // grab_input
theme_provider,
this);
}
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
// the delegate to NULL here.
delegate_ = NULL;
content_.Destroy();
info_bubble_->Close();
}
void SpeechInputBubbleGtk::InfoBubbleClosing(InfoBubbleGtk* info_bubble,
bool closed_by_escape) {
if (delegate_)
delegate_->InfoBubbleClosed();
}
void SpeechInputBubbleGtk::OnCancelClicked(GtkWidget* widget) {
delegate_->RecognitionCancelled();
}
void SpeechInputBubbleGtk::SetRecognizingMode() {
SkBitmap* image = ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_SPEECH_INPUT_PROCESSING);
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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