Revert 109285 - Seems to have broken chrome_frame_net_tests on the win_rel trybot, stuffing up th...

chrome/browser/speech/speech_input_extension_notification.cc

-// 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_extension_notification.h"
-
-#include "base/lazy_instance.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/status_icons/status_icon.h"
-#include "chrome/browser/status_icons/status_tray.h"
-#include "chrome/common/extensions/extension.h"
-#include "grit/chromium_strings.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/canvas_skia.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/skbitmap_operations.h"
-
-namespace {
-
-// Number of volume steps used when rendering the VU meter icon.
-const int kVolumeSteps = 6;
-
-// A lazily initialized singleton to hold all the images used by the
-// notification icon and safely destroy them on exit.
-class NotificationTrayImages {
- public:
-  SkBitmap* mic_full() { return mic_full_; }
-  SkBitmap* mic_empty() { return mic_empty_; }
-  SkBitmap* balloon_icon() {  return balloon_icon_; }
-
- private:
-  // Private constructor to enforce singleton.
-  friend struct base::DefaultLazyInstanceTraits<NotificationTrayImages>;
-  NotificationTrayImages();
-
-  // These bitmaps are owned by ResourceBundle and need not be destroyed.
-  SkBitmap* mic_full_; // Tray mic image with full volume.
-  SkBitmap* mic_empty_; // Tray mic image with zero volume.
-  SkBitmap* balloon_icon_; // High resolution mic for the notification balloon.
-};
-
-NotificationTrayImages::NotificationTrayImages() {
-  mic_empty_ = ResourceBundle::GetSharedInstance().GetBitmapNamed(
-      IDR_SPEECH_INPUT_TRAY_MIC_EMPTY);
-  mic_full_ = ResourceBundle::GetSharedInstance().GetBitmapNamed(
-      IDR_SPEECH_INPUT_TRAY_MIC_FULL);
-  balloon_icon_ = ResourceBundle::GetSharedInstance().GetBitmapNamed(
-      IDR_SPEECH_INPUT_TRAY_BALLOON_ICON);
-}
-
-base::LazyInstance<NotificationTrayImages> g_images(base::LINKER_INITIALIZED);
-
-}  // namespace
-
-SpeechInputExtensionNotification::SpeechInputExtensionNotification(
-    Profile* profile)
-    : profile_(profile),
-      tray_icon_(NULL) {
-  mic_image_.reset(new SkBitmap());
-  mic_image_->setConfig(SkBitmap::kARGB_8888_Config,
-                        g_images.Get().mic_empty()->width(),
-                        g_images.Get().mic_empty()->height());
-  mic_image_->allocPixels();
-
-  buffer_image_.reset(new SkBitmap());
-  buffer_image_->setConfig(SkBitmap::kARGB_8888_Config,
-                           g_images.Get().mic_empty()->width(),
-                           g_images.Get().mic_empty()->height());
-  buffer_image_->allocPixels();
-}
-
-SpeechInputExtensionNotification::~SpeechInputExtensionNotification() {
-}
-
-void SpeechInputExtensionNotification::DrawVolume(
-    SkCanvas* canvas,
-    const SkBitmap& bitmap,
-    float volume) {
-  buffer_image_->eraseARGB(0, 0, 0, 0);
-
-  int width = mic_image_->width();
-  int height = mic_image_->height();
-  SkCanvas buffer_canvas(*buffer_image_);
-
-  SkScalar clip_top =
-      (((1.0f - volume) * (height * (kVolumeSteps + 1))) - height) /
-      kVolumeSteps;
-  buffer_canvas.clipRect(SkRect::MakeLTRB(0, clip_top,
-      SkIntToScalar(width), SkIntToScalar(height)));
-  buffer_canvas.drawBitmap(bitmap, 0, 0);
-
-  canvas->drawBitmap(*buffer_image_.get(), 0, 0);
-}
-
-void SpeechInputExtensionNotification::SetVUMeterVolume(float volume) {
-  if (!tray_icon_)
-    return;
-
-  mic_image_->eraseARGB(0, 0, 0, 0);
-  SkCanvas canvas(*mic_image_);
-
-  // Draw the empty volume image first and the current volume image on top.
-  canvas.drawBitmap(*g_images.Get().mic_empty(), 0, 0);
-  DrawVolume(&canvas, *g_images.Get().mic_full(), volume);
-
-  tray_icon_->SetImage(*mic_image_.get());
-}
-
-void SpeechInputExtensionNotification::Show(const Extension* extension,
-                                              bool show_balloon) {
-  if (StatusTray* status_tray = g_browser_process->status_tray()) {
-    DCHECK(!tray_icon_);
-    tray_icon_ = status_tray->CreateStatusIcon();
-    DCHECK(tray_icon_);
-    VLOG(1) << "Tray icon added.";
-
-    SetVUMeterVolume(0.0f);
-    tray_icon_->SetToolTip(l10n_util::GetStringFUTF16(
-        IDS_SPEECH_INPUT_TRAY_TOOLTIP,
-        UTF8ToUTF16(extension->name()),
-        l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
-  } else {
-    VLOG(1) << "This platform doesn't support notification icons.";
-    return;
-  }
-
-  if (show_balloon)
-    ShowNotificationBalloon(extension);
-}
-
-void SpeechInputExtensionNotification::Hide() {
-  if (StatusTray* status_tray = g_browser_process->status_tray()) {
-    DCHECK(tray_icon_);
-    status_tray->RemoveStatusIcon(tray_icon_);
-    tray_icon_ = NULL;
-    VLOG(1) << "Tray icon removed.";
-  }
-}
-
-void SpeechInputExtensionNotification::ShowNotificationBalloon(
-    const Extension* extension) {
-  string16 title = l10n_util::GetStringUTF16(
-      IDS_SPEECH_INPUT_TRAY_BALLOON_TITLE);
-  string16 message = l10n_util::GetStringFUTF16(
-          IDS_SPEECH_INPUT_TRAY_BALLOON_BODY,
-          UTF8ToUTF16(extension->name()),
-          l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
-
-  tray_icon_->DisplayBalloon(*g_images.Get().balloon_icon(), title, message);
-}