PPAPI: implement GetSupportedPreviewSizes

ppapi/proxy/camera_capabilities_resource.cc

+// Copyright 2014 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 "base/logging.h"
+#include "ppapi/proxy/camera_capabilities_resource.h"
+
+namespace ppapi {
+namespace proxy {
+
+CameraCapabilitiesResource::CameraCapabilitiesResource(
+    PP_Instance instance,
+    const std::vector<PP_Size>& preview_array)

[wuchengli, 2015/02/03 14:34:45]

s/preview_array/preview_sizes/

[Justin Chuang, 2015/02/04 17:44:24]

Done.

+    : Resource(OBJECT_IS_PROXY, instance) {
+  num_preview_sizes_ = preview_array.size();
+  preview_sizes_.reset(new PP_Size[num_preview_sizes_]);
+  for (int i = 0; i < num_preview_sizes_; i++)
+    preview_sizes_[i] = preview_array[i];

[dmichael (off chromium), 2015/02/03 19:21:29]

suggestion: std::copy?

[Justin Chuang, 2015/02/04 17:44:24]

Done. 

+}
+
+CameraCapabilitiesResource::~CameraCapabilitiesResource() {
+}
+
+thunk::PPB_CameraCapabilities_API*
+CameraCapabilitiesResource::AsPPB_CameraCapabilities_API() {
+  return this;
+}
+
+void CameraCapabilitiesResource::GetSupportedPreviewSizes(
+    int32_t* array_size,
+    PP_Size** preview_sizes) {
+  *array_size = num_preview_sizes_;
+  *preview_sizes = preview_sizes_.get();
+}
+
+}  // namespace proxy
+}  // namespace ppapi