87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/web_view_manager.h"
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#include "atom/browser/atom_browser_context.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/browser/web_contents.h"
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namespace atom {
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WebViewManager::WebViewManager() {
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}
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WebViewManager::~WebViewManager() {
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}
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void WebViewManager::AddGuest(int guest_instance_id,
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int element_instance_id,
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content::WebContents* embedder,
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content::WebContents* web_contents) {
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web_contents_embedder_map_[guest_instance_id] = { web_contents, embedder };
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// Map the element in embedder to guest.
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int owner_process_id = embedder->GetRenderProcessHost()->GetID();
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ElementInstanceKey key(owner_process_id, element_instance_id);
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element_instance_id_to_guest_map_[key] = guest_instance_id;
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}
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void WebViewManager::RemoveGuest(int guest_instance_id) {
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if (!ContainsKey(web_contents_embedder_map_, guest_instance_id))
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return;
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web_contents_embedder_map_.erase(guest_instance_id);
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// Remove the record of element in embedder too.
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for (const auto& element : element_instance_id_to_guest_map_)
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if (element.second == guest_instance_id) {
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element_instance_id_to_guest_map_.erase(element.first);
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break;
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}
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}
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content::WebContents* WebViewManager::GetEmbedder(int guest_instance_id) {
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if (ContainsKey(web_contents_embedder_map_, guest_instance_id))
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return web_contents_embedder_map_[guest_instance_id].embedder;
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else
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return nullptr;
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}
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content::WebContents* WebViewManager::GetGuestByInstanceID(
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int owner_process_id,
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int element_instance_id) {
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ElementInstanceKey key(owner_process_id, element_instance_id);
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if (!ContainsKey(element_instance_id_to_guest_map_, key))
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return nullptr;
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int guest_instance_id = element_instance_id_to_guest_map_[key];
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if (ContainsKey(web_contents_embedder_map_, guest_instance_id))
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return web_contents_embedder_map_[guest_instance_id].web_contents;
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else
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return nullptr;
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}
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bool WebViewManager::ForEachGuest(content::WebContents* embedder_web_contents,
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const GuestCallback& callback) {
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for (auto& item : web_contents_embedder_map_)
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if (item.second.embedder == embedder_web_contents &&
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callback.Run(item.second.web_contents))
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return true;
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return false;
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}
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// static
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WebViewManager* WebViewManager::GetWebViewManager(
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content::WebContents* web_contents) {
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auto context = web_contents->GetBrowserContext();
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if (context) {
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auto manager = context->GetGuestManager();
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return static_cast<WebViewManager*>(manager);
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} else {
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return nullptr;
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}
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}
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} // namespace atom
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