Delete WindowPicker class and subclasses.

webrtc/base/macwindowpicker.cc

Index: webrtc/base/macwindowpicker.cc
diff --git a/webrtc/base/macwindowpicker.cc b/webrtc/base/macwindowpicker.cc
deleted file mode 100644
index d43d0e8cbfbd6a5385fb2934e6d20f81609e2b7b..0000000000000000000000000000000000000000
--- a/webrtc/base/macwindowpicker.cc
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- *  Copyright 2010 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-#include "webrtc/base/macwindowpicker.h"
-
-#include <ApplicationServices/ApplicationServices.h>
-#include <CoreFoundation/CoreFoundation.h>
-#include <dlfcn.h>
-
-#include "webrtc/base/logging.h"
-#include "webrtc/base/macutils.h"
-
-namespace rtc {
-
-static const char* kCoreGraphicsName =
-    "/System/Library/Frameworks/ApplicationServices.framework/Frameworks/"
-    "CoreGraphics.framework/CoreGraphics";
-
-static const char* kWindowListCopyWindowInfo = "CGWindowListCopyWindowInfo";
-static const char* kWindowListCreateDescriptionFromArray =
-    "CGWindowListCreateDescriptionFromArray";
-
-// Function pointer for holding the CGWindowListCopyWindowInfo function.
-typedef CFArrayRef(*CGWindowListCopyWindowInfoProc)(CGWindowListOption,
-                                                    CGWindowID);
-
-// Function pointer for holding the CGWindowListCreateDescriptionFromArray
-// function.
-typedef CFArrayRef(*CGWindowListCreateDescriptionFromArrayProc)(CFArrayRef);
-
-MacWindowPicker::MacWindowPicker() : lib_handle_(NULL), get_window_list_(NULL),
-                                     get_window_list_desc_(NULL) {
-}
-
-MacWindowPicker::~MacWindowPicker() {
-  if (lib_handle_ != NULL) {
-    dlclose(lib_handle_);
-  }
-}
-
-bool MacWindowPicker::Init() {
-  // TODO: If this class grows to use more dynamically functions
-  // from the CoreGraphics framework, consider using
-  // webrtc/base/latebindingsymboltable.h.
-  lib_handle_ = dlopen(kCoreGraphicsName, RTLD_NOW);
-  if (lib_handle_ == NULL) {
-    LOG(LS_ERROR) << "Could not load CoreGraphics";
-    return false;
-  }
-
-  get_window_list_ = dlsym(lib_handle_, kWindowListCopyWindowInfo);
-  get_window_list_desc_ =
-      dlsym(lib_handle_, kWindowListCreateDescriptionFromArray);
-  if (get_window_list_ == NULL || get_window_list_desc_ == NULL) {
-    // The CGWindowListCopyWindowInfo and the
-    // CGWindowListCreateDescriptionFromArray functions was introduced
-    // in Leopard(10.5) so this is a normal failure on Tiger.
-    LOG(LS_INFO) << "Failed to load Core Graphics symbols";
-    dlclose(lib_handle_);
-    lib_handle_ = NULL;
-    return false;
-  }
-
-  return true;
-}
-
-bool MacWindowPicker::IsVisible(const WindowId& id) {
-  // Init if we're not already inited.
-  if (get_window_list_desc_ == NULL && !Init()) {
-    return false;
-  }
-  CGWindowID ids[1];
-  ids[0] = id.id();
-  CFArrayRef window_id_array =
-      CFArrayCreate(NULL, reinterpret_cast<const void **>(&ids), 1, NULL);
-
-  CFArrayRef window_array =
-      reinterpret_cast<CGWindowListCreateDescriptionFromArrayProc>(
-          get_window_list_desc_)(window_id_array);
-  if (window_array == NULL || 0 == CFArrayGetCount(window_array)) {
-    // Could not find the window. It might have been closed.
-    LOG(LS_INFO) << "Window not found";
-    CFRelease(window_id_array);
-    return false;
-  }
-
-  CFDictionaryRef window = reinterpret_cast<CFDictionaryRef>(
-      CFArrayGetValueAtIndex(window_array, 0));
-  CFBooleanRef is_visible = reinterpret_cast<CFBooleanRef>(
-      CFDictionaryGetValue(window, kCGWindowIsOnscreen));
-
-  // Check that the window is visible. If not we might crash.
-  bool visible = false;
-  if (is_visible != NULL) {
-    visible = CFBooleanGetValue(is_visible);
-  }
-  CFRelease(window_id_array);
-  CFRelease(window_array);
-  return visible;
-}
-
-bool MacWindowPicker::MoveToFront(const WindowId& id) {
-  return false;
-}
-
-bool MacWindowPicker::GetDesktopList(DesktopDescriptionList* descriptions) {
-  const uint32_t kMaxDisplays = 128;
-  CGDirectDisplayID active_displays[kMaxDisplays];
-  uint32_t display_count = 0;
-
-  CGError err = CGGetActiveDisplayList(kMaxDisplays,
-                                       active_displays,
-                                       &display_count);
-  if (err != kCGErrorSuccess) {
-    LOG_E(LS_ERROR, OS, err) << "Failed to enumerate the active displays.";
-    return false;
-  }
-  for (uint32_t i = 0; i < display_count; ++i) {
-    DesktopId id(active_displays[i], static_cast<int>(i));
-    // TODO: Figure out an appropriate desktop title.
-    DesktopDescription desc(id, "");
-    desc.set_primary(CGDisplayIsMain(id.id()));
-    descriptions->push_back(desc);
-  }
-  return display_count > 0;
-}
-
-bool MacWindowPicker::GetDesktopDimensions(const DesktopId& id,
-                                           int* width,
-                                           int* height) {
-  *width = CGDisplayPixelsWide(id.id());
-  *height = CGDisplayPixelsHigh(id.id());
-  return true;
-}
-
-bool MacWindowPicker::GetWindowList(WindowDescriptionList* descriptions) {
-  // Init if we're not already inited.
-  if (get_window_list_ == NULL && !Init()) {
-    return false;
-  }
-
-  // Only get onscreen, non-desktop windows.
-  CFArrayRef window_array =
-      reinterpret_cast<CGWindowListCopyWindowInfoProc>(get_window_list_)(
-          kCGWindowListOptionOnScreenOnly | kCGWindowListExcludeDesktopElements,
-          kCGNullWindowID);
-  if (window_array == NULL) {
-    return false;
-  }
-
-  // Check windows to make sure they have an id, title, and use window layer 0.
-  CFIndex i;
-  CFIndex count = CFArrayGetCount(window_array);
-  for (i = 0; i < count; ++i) {
-    CFDictionaryRef window = reinterpret_cast<CFDictionaryRef>(
-        CFArrayGetValueAtIndex(window_array, i));
-    CFStringRef window_title = reinterpret_cast<CFStringRef>(
-        CFDictionaryGetValue(window, kCGWindowName));
-    CFNumberRef window_id = reinterpret_cast<CFNumberRef>(
-        CFDictionaryGetValue(window, kCGWindowNumber));
-    CFNumberRef window_layer = reinterpret_cast<CFNumberRef>(
-        CFDictionaryGetValue(window, kCGWindowLayer));
-    if (window_title != NULL && window_id != NULL && window_layer != NULL) {
-      std::string title_str;
-      int id_val, layer_val;
-      ToUtf8(window_title, &title_str);
-      CFNumberGetValue(window_id, kCFNumberIntType, &id_val);
-      CFNumberGetValue(window_layer, kCFNumberIntType, &layer_val);
-
-      // Discard windows without a title.
-      if (layer_val == 0 && title_str.length() > 0) {
-        WindowId id(static_cast<CGWindowID>(id_val));
-        WindowDescription desc(id, title_str);
-        descriptions->push_back(desc);
-      }
-    }
-  }
-
-  CFRelease(window_array);
-  return true;
-}
-
-}  // namespace rtc