Cleanup: move WebRTC related files from chrome/browser/media to chrome/browser/media/webrtc/

chrome/browser/media/desktop_media_list_base.cc

-// Copyright 2016 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/media/desktop_media_list_base.h"
-
-#include <set>
-
-#include "chrome/browser/media/desktop_media_list_observer.h"
-#include "content/public/browser/browser_thread.h"
-#include "ui/gfx/image/image.h"
-
-using content::BrowserThread;
-using content::DesktopMediaID;
-
-DesktopMediaListBase::DesktopMediaListBase(base::TimeDelta update_period)
-    : update_period_(update_period), weak_factory_(this) {}
-
-DesktopMediaListBase::~DesktopMediaListBase() {}
-
-void DesktopMediaListBase::SetUpdatePeriod(base::TimeDelta period) {
-  DCHECK(!observer_);
-  update_period_ = period;
-}
-
-void DesktopMediaListBase::SetThumbnailSize(const gfx::Size& thumbnail_size) {
-  thumbnail_size_ = thumbnail_size;
-}
-
-void DesktopMediaListBase::SetViewDialogWindowId(DesktopMediaID dialog_id) {
-  view_dialog_id_ = dialog_id;
-}
-
-void DesktopMediaListBase::StartUpdating(DesktopMediaListObserver* observer) {
-  DCHECK(!observer_);
-
-  observer_ = observer;
-  Refresh();
-}
-
-int DesktopMediaListBase::GetSourceCount() const {
-  return sources_.size();
-}
-
-const DesktopMediaList::Source& DesktopMediaListBase::GetSource(
-    int index) const {
-  DCHECK_GE(index, 0);
-  DCHECK_LT(index, static_cast<int>(sources_.size()));
-  return sources_[index];
-}
-
-DesktopMediaListBase::SourceDescription::SourceDescription(
-    DesktopMediaID id,
-    const base::string16& name)
-    : id(id), name(name) {}
-
-void DesktopMediaListBase::UpdateSourcesList(
-    const std::vector<SourceDescription>& new_sources) {
-  typedef std::set<DesktopMediaID> SourceSet;
-  SourceSet new_source_set;
-  for (size_t i = 0; i < new_sources.size(); ++i) {
-    new_source_set.insert(new_sources[i].id);
-  }
-  // Iterate through the old sources to find the removed sources.
-  for (size_t i = 0; i < sources_.size(); ++i) {
-    if (new_source_set.find(sources_[i].id) == new_source_set.end()) {
-      sources_.erase(sources_.begin() + i);
-      observer_->OnSourceRemoved(this, i);
-      --i;
-    }
-  }
-  // Iterate through the new sources to find the added sources.
-  if (new_sources.size() > sources_.size()) {
-    SourceSet old_source_set;
-    for (size_t i = 0; i < sources_.size(); ++i) {
-      old_source_set.insert(sources_[i].id);
-    }
-
-    for (size_t i = 0; i < new_sources.size(); ++i) {
-      if (old_source_set.find(new_sources[i].id) == old_source_set.end()) {
-        sources_.insert(sources_.begin() + i, Source());
-        sources_[i].id = new_sources[i].id;
-        sources_[i].name = new_sources[i].name;
-        observer_->OnSourceAdded(this, i);
-      }
-    }
-  }
-  DCHECK_EQ(new_sources.size(), sources_.size());
-
-  // Find the moved/changed sources.
-  size_t pos = 0;
-  while (pos < sources_.size()) {
-    if (!(sources_[pos].id == new_sources[pos].id)) {
-      // Find the source that should be moved to |pos|, starting from |pos + 1|
-      // of |sources_|, because entries before |pos| should have been sorted.
-      size_t old_pos = pos + 1;
-      for (; old_pos < sources_.size(); ++old_pos) {
-        if (sources_[old_pos].id == new_sources[pos].id)
-          break;
-      }
-      DCHECK(sources_[old_pos].id == new_sources[pos].id);
-
-      // Move the source from |old_pos| to |pos|.
-      Source temp = sources_[old_pos];
-      sources_.erase(sources_.begin() + old_pos);
-      sources_.insert(sources_.begin() + pos, temp);
-
-      observer_->OnSourceMoved(this, old_pos, pos);
-    }
-
-    if (sources_[pos].name != new_sources[pos].name) {
-      sources_[pos].name = new_sources[pos].name;
-      observer_->OnSourceNameChanged(this, pos);
-    }
-    ++pos;
-  }
-}
-
-void DesktopMediaListBase::UpdateSourceThumbnail(DesktopMediaID id,
-                                                 const gfx::ImageSkia& image) {
-  for (size_t i = 0; i < sources_.size(); ++i) {
-    if (sources_[i].id == id) {
-      sources_[i].thumbnail = image;
-      observer_->OnSourceThumbnailChanged(this, i);
-      break;
-    }
-  }
-}
-
-void DesktopMediaListBase::ScheduleNextRefresh() {
-  BrowserThread::PostDelayedTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&DesktopMediaListBase::Refresh, weak_factory_.GetWeakPtr()),
-      update_period_);
-}
-
-// static
-uint32_t DesktopMediaListBase::GetImageHash(const gfx::Image& image) {
-  SkBitmap bitmap = image.AsBitmap();
-  bitmap.lockPixels();
-  uint32_t value =
-      base::Hash(reinterpret_cast<char*>(bitmap.getPixels()), bitmap.getSize());
-  bitmap.unlockPixels();
-
-  return value;
-}