126 lines
4.1 KiB
C++
126 lines
4.1 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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namespace {
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WebViewManager* GetManagerFromProcess(content::RenderProcessHost* process) {
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if (!process)
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return nullptr;
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auto context = process->GetBrowserContext();
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if (!context)
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return nullptr;
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return static_cast<WebViewManager*>(context->GetGuestManager());
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}
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} // namespace
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// static
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bool WebViewManager::GetInfoForProcess(content::RenderProcessHost* process,
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WebViewInfo* info) {
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auto manager = GetManagerFromProcess(process);
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if (!manager)
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return false;
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return manager->GetInfo(process->GetID(), info);
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}
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// static
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void WebViewManager::UpdateGuestProcessID(
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content::RenderProcessHost* old_process,
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content::RenderProcessHost* new_process) {
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auto manager = GetManagerFromProcess(old_process);
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if (manager) {
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base::AutoLock auto_lock(manager->lock_);
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int old_id = old_process->GetID();
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int new_id = new_process->GetID();
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if (!ContainsKey(manager->webview_info_map_, old_id))
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return;
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manager->webview_info_map_[new_id] = manager->webview_info_map_[old_id];
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manager->webview_info_map_.erase(old_id);
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}
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}
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WebViewManager::WebViewManager(content::BrowserContext* context) {
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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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const WebViewInfo& info) {
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base::AutoLock auto_lock(lock_);
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web_contents_embdder_map_[guest_instance_id] = { web_contents, embedder };
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int guest_process_id = web_contents->GetRenderProcessHost()->GetID();
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webview_info_map_[guest_process_id] = info;
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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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base::AutoLock auto_lock(lock_);
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if (!ContainsKey(web_contents_embdder_map_, guest_instance_id))
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return;
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auto web_contents = web_contents_embdder_map_[guest_instance_id].web_contents;
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web_contents_embdder_map_.erase(guest_instance_id);
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int guest_process_id = web_contents->GetRenderProcessHost()->GetID();
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webview_info_map_.erase(guest_process_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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bool WebViewManager::GetInfo(int guest_process_id, WebViewInfo* webview_info) {
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base::AutoLock auto_lock(lock_);
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WebViewInfoMap::iterator iter = webview_info_map_.find(guest_process_id);
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if (iter != webview_info_map_.end()) {
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*webview_info = iter->second;
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return true;
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}
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return false;
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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_embdder_map_, guest_instance_id))
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return web_contents_embdder_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_embdder_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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} // namespace atom
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