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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Copyright 2012 The Chromium Authors
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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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#include "shell/browser/extensions/api/tabs/tabs_window_api.h"
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#include <memory>
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#include "base/lazy_instance.h"
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#include "extensions/browser/event_router.h"
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#include "extensions/browser/extension_system.h"
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#include "shell/browser/extensions/api/tabs/tabs_event_router.h"
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#include "shell/common/extensions/api/tabs.h"
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namespace extensions {
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TabsWindowsAPI::TabsWindowsAPI(content::BrowserContext* context)
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: browser_context_(context) {
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EventRouter* event_router = EventRouter::Get(browser_context_);
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// Tabs API Events.
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event_router->RegisterObserver(this, api::tabs::OnZoomChange::kEventName);
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}
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TabsWindowsAPI::~TabsWindowsAPI() = default;
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// static
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TabsWindowsAPI* TabsWindowsAPI::Get(content::BrowserContext* context) {
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return BrowserContextKeyedAPIFactory<TabsWindowsAPI>::Get(context);
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}
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TabsEventRouter* TabsWindowsAPI::tabs_event_router() {
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if (!tabs_event_router_.get()) {
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tabs_event_router_ = std::make_unique<TabsEventRouter>(browser_context_);
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}
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return tabs_event_router_.get();
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}
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void TabsWindowsAPI::Shutdown() {
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EventRouter::Get(browser_context_)->UnregisterObserver(this);
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}
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static base::LazyInstance<BrowserContextKeyedAPIFactory<TabsWindowsAPI>>::
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DestructorAtExit g_tabs_windows_api_factory = LAZY_INSTANCE_INITIALIZER;
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BrowserContextKeyedAPIFactory<TabsWindowsAPI>*
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TabsWindowsAPI::GetFactoryInstance() {
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return g_tabs_windows_api_factory.Pointer();
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}
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void TabsWindowsAPI::OnListenerAdded(const EventListenerInfo& details) {
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// Initialize the event routers.
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tabs_event_router();
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EventRouter::Get(browser_context_)->UnregisterObserver(this);
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}
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} // namespace extensions
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