Implement Linux Media Stream Infobar

chrome/browser/ui/gtk/infobars/media_stream_infobar_gtk.cc

+// Copyright (c) 2012 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/ui/gtk/infobars/media_stream_infobar_gtk.h"
+
+#include <string>
+
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/ui/gtk/gtk_util.h"
+#include "chrome/browser/ui/gtk/infobars/media_stream_infobar_gtk.h"
+#include "chrome/browser/ui/media_stream_infobar_delegate.h"
+#include "grit/generated_resources.h"
+#include "ui/base/gtk/gtk_hig_constants.h"
+#include "ui/base/gtk/gtk_signal_registrar.h"
+#include "ui/base/l10n/l10n_util.h"
+
+InfoBar* MediaStreamInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
+  DCHECK(owner);
+  return new MediaStreamInfoBarGtk(owner, this);
+}
+
+MediaStreamInfoBarGtk::MediaStreamInfoBarGtk(
+    InfoBarTabHelper* owner,
+    MediaStreamInfoBarDelegate* delegate)
+    : InfoBarGtk(owner, delegate),
+      delegate_(delegate) {
+  devices_menu_model_ = new MediaStreamDevicesMenuModel(delegate_);
+  Init();
+}
+
+MediaStreamInfoBarGtk::~MediaStreamInfoBarGtk() {
+}
+
+void MediaStreamInfoBarGtk::Init() {
+  GtkWidget* hbox = gtk_hbox_new(FALSE, ui::kControlSpacing);
+  gtk_util::CenterWidgetInHBox(hbox_, hbox, false, 0);
+  size_t offset = 0;
+
+  int message_id = IDS_MEDIA_CAPTURE_MIC_AND_VIDEO;
+  if (!delegate_->has_audio()) {

[Evan Stade, 2012/03/01 17:53:46]

no curlies.

+    message_id = IDS_MEDIA_CAPTURE_VIDEO_ONLY;
+  } else if (!delegate_->has_video()) {
+    message_id = IDS_MEDIA_CAPTURE_MIC_ONLY;
+  }
+  string16 security_origin = UTF8ToUTF16(delegate_->GetSecurityOrigin());
+  string16 text(l10n_util::GetStringFUTF16(message_id,
+                                           security_origin, &offset));
+
+  gtk_box_pack_start(GTK_BOX(hbox), CreateLabel(UTF16ToUTF8(text)),
+                     FALSE, FALSE, 0);
+
+  GtkWidget* button = gtk_button_new_with_label(
+      l10n_util::GetStringUTF8(IDS_MEDIA_CAPTURE_ALLOW).c_str());
+  Signals()->Connect(button, "clicked",
+                     G_CALLBACK(&OnAllowButtonThunk), this);
+  gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
+
+  button = gtk_button_new_with_label(
+      l10n_util::GetStringUTF8(IDS_MEDIA_CAPTURE_DENY).c_str());
+  Signals()->Connect(button, "clicked",
+                     G_CALLBACK(&OnDenyButtonThunk), this);
+  gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
+
+  // The devices button

[Evan Stade, 2012/03/01 17:53:46]

. at end of comment.

+  GtkWidget* devices_menu_button = BuildDevicesMenuButton();
+  Signals()->Connect(devices_menu_button, "clicked",
+                   G_CALLBACK(&OnDevicesClickedThunk), this);

[Evan Stade, 2012/03/01 17:53:46]

indent.

+  gtk_widget_show_all(devices_menu_button);
+  gtk_util::CenterWidgetInHBox(hbox_, devices_menu_button, true, 0);
+}
+
+// static
+GtkWidget* MediaStreamInfoBarGtk::BuildDevicesMenuButton() {
+  GtkWidget* button = gtk_button_new();
+  GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(button));
+  if (former_child)
+    gtk_container_remove(GTK_CONTAINER(button), former_child);
+
+  GtkWidget* hbox = gtk_hbox_new(FALSE, 0);
+
+  GtkWidget* label = gtk_label_new(
+      l10n_util::GetStringUTF8(IDS_MEDIA_CAPTURE_DEVICES_MENU_TITLE).c_str());
+  gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
+
+  GtkWidget* arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);

[Evan Stade, 2012/03/01 17:53:46]

I applaud the GTK integration here, but shouldn't we be using the same image
resource that chrome uses on every other platform when we're not in GTK theme
mode?

+  gtk_box_pack_start(GTK_BOX(hbox), arrow, FALSE, FALSE, 0);
+
+  gtk_container_add(GTK_CONTAINER(button), hbox);
+
+  return button;
+}
+
+void MediaStreamInfoBarGtk::OnDevicesClicked(GtkWidget* sender) {
+  ShowMenuWithModel(sender, NULL, devices_menu_model_);
+}
+
+void MediaStreamInfoBarGtk::OnAllowButton(GtkWidget* widget) {
+  std::string audio_id, video_id;
+  devices_menu_model_->GetSelectedDeviceId(
+      content::MEDIA_STREAM_DEVICE_TYPE_AUDIO_CAPTURE, &audio_id);
+  devices_menu_model_->GetSelectedDeviceId(
+      content::MEDIA_STREAM_DEVICE_TYPE_VIDEO_CAPTURE, &video_id);
+  delegate_->Accept(audio_id, video_id);
+  RemoveSelf();
+}
+
+void MediaStreamInfoBarGtk::OnDenyButton(GtkWidget* widget) {
+  delegate_->Deny();
+  RemoveSelf();
+}