| // Copyright 2015 The Fuchsia 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 "garnet/bin/ui/view_manager/view_tree_state.h" |
| |
| #include "garnet/bin/ui/view_manager/view_registry.h" |
| #include "garnet/bin/ui/view_manager/view_state.h" |
| #include "garnet/bin/ui/view_manager/view_stub.h" |
| #include "garnet/bin/ui/view_manager/view_tree_impl.h" |
| #include "lib/fxl/logging.h" |
| #include "lib/fxl/strings/string_printf.h" |
| |
| namespace view_manager { |
| |
| ViewTreeState::ViewTreeState( |
| ViewRegistry* registry, |
| ::fuchsia::ui::viewsv1::ViewTreeToken view_tree_token, |
| fidl::InterfaceRequest<::fuchsia::ui::viewsv1::ViewTree> view_tree_request, |
| ::fuchsia::ui::viewsv1::ViewTreeListenerPtr view_tree_listener, |
| const std::string& label) |
| : view_tree_token_(std::move(view_tree_token)), |
| view_tree_listener_(std::move(view_tree_listener)), |
| label_(label), |
| impl_(new ViewTreeImpl(registry, this)), |
| view_tree_binding_(impl_.get(), std::move(view_tree_request)), |
| weak_factory_(this) { |
| FXL_DCHECK(view_tree_listener_); |
| |
| view_tree_binding_.set_error_handler([this, registry](zx_status_t status) { |
| registry->OnViewTreeDied(this, "ViewTree connection closed"); |
| }); |
| view_tree_listener_.set_error_handler([this, registry](zx_status_t status) { |
| registry->OnViewTreeDied(this, "ViewTreeListener connection closed"); |
| }); |
| } |
| |
| ViewTreeState::~ViewTreeState() {} |
| |
| ViewStub* ViewTreeState::GetRoot() const { |
| if (children().empty()) |
| return nullptr; |
| return children().cbegin()->second.get(); |
| } |
| |
| ViewTreeState* ViewTreeState::AsViewTreeState() { return this; } |
| |
| const std::string& ViewTreeState::FormattedLabel() const { |
| if (formatted_label_cache_.empty()) { |
| formatted_label_cache_ = |
| label_.empty() ? fxl::StringPrintf("<T%d>", view_tree_token_.value) |
| : fxl::StringPrintf("<T%d:%s>", view_tree_token_.value, |
| label_.c_str()); |
| } |
| return formatted_label_cache_; |
| } |
| |
| } // namespace view_manager |