Listen for tab close notifications and cancel active speech sessions.

chrome/browser/speech/speech_input_bubble_gtk.cc

 // 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 "base/utf_string_conversions.h"
 #include "chrome/browser/gtk/gtk_theme_provider.h"
@@ skipping 36 matching lines @@
   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_;
-  TabContents* tab_contents_;
   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)
-    : delegate_(delegate),
+    : SpeechInputBubbleBase(tab_contents),
+      delegate_(delegate),
       info_bubble_(NULL),
-      tab_contents_(tab_contents),
       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
@@ skipping 54 matching lines @@
   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());
+      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(),
+  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();
 }
@@ skipping 45 matching lines @@
 
 }  // namespace
 
 SpeechInputBubble* SpeechInputBubble::CreateNativeBubble(
     TabContents* tab_contents,
     Delegate* delegate,
     const gfx::Rect& element_rect) {
   return new SpeechInputBubbleGtk(tab_contents, delegate, element_rect);
 }