4dd171e813
This change adds BrowserInterfaceBroker support for content embedders. Currently this is only used for frames/documents. This change also converts image Annotator clients to use BrowserInterfaceBroker and new mojo types from http://crrev.com/c/1474844 as a use case. Bug: 985113 Change-Id: Iee78e467e2196c68a3c82b98405fad69824d9176 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1752177 Commit-Queue: Oksana Zhuravlova <oksamyt@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Ken Rockot <rockot@google.com> Reviewed-by: Daniel Cheng <dcheng@chromium.org> Reviewed-by: Avi Drissman <avi@chromium.org> Reviewed-by: Andrew Moylan <amoylan@chromium.org> Cr-Commit-Position: refs/heads/master@{#687813}
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
// Copyright 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CONTENT_BROWSER_BROWSER_INTERFACE_BROKER_IMPL_H_
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#define CONTENT_BROWSER_BROWSER_INTERFACE_BROKER_IMPL_H_
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#include "content/browser/browser_interface_binders.h"
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#include "third_party/blink/public/mojom/browser_interface_broker.mojom.h"
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namespace content {
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// content's implementation of the BrowserInterfaceBroker interface that binds
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// interfaces requested by the renderer. Every execution context type (frame,
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// worker etc) owns an instance and registers appropriate handlers (see
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// internal::PopulateBinderMap).
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// Note: this mechanism will eventually replace the usage of InterfaceProvider
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// and browser manifests, as well as DocumentInterfaceBroker.
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template <typename ExecutionContextHost, typename InterfaceBinderContext>
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class BrowserInterfaceBrokerImpl : public blink::mojom::BrowserInterfaceBroker {
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public:
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BrowserInterfaceBrokerImpl(ExecutionContextHost* host) : host_(host) {
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internal::PopulateBinderMap(host, &binder_map_);
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internal::PopulateBinderMapWithContext(host, &binder_map_with_context_);
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}
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// blink::mojom::BrowserInterfaceBroker
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void GetInterface(mojo::GenericPendingReceiver receiver) {
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DCHECK(receiver.interface_name().has_value());
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auto interface_name = receiver.interface_name().value();
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auto pipe = receiver.PassPipe();
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if (!binder_map_.TryBind(interface_name, &pipe)) {
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binder_map_with_context_.TryBind(internal::GetContextForHost(host_),
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interface_name, &pipe);
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}
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}
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private:
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ExecutionContextHost* const host_;
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service_manager::BinderMap binder_map_;
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service_manager::BinderMapWithContext<InterfaceBinderContext>
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binder_map_with_context_;
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DISALLOW_COPY_AND_ASSIGN(BrowserInterfaceBrokerImpl);
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};
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} // namespace content
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#endif // CONTENT_BROWSER_BROWSER_INTERFACE_BROKER_IMPL_H_
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