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// Copyright 2013 The Chromium 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 "chrome/browser/extensions/chrome_extension_function.h"
#include "chrome/browser/extensions/chrome_extension_function_details.h"
#include "chrome/browser/extensions/window_controller.h"
#include "chrome/browser/extensions/window_controller_list.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "extensions/browser/extension_function_dispatcher.h"
using content::RenderViewHost;
using content::WebContents;
ChromeUIThreadExtensionFunction::ChromeUIThreadExtensionFunction() {
}
Profile* ChromeUIThreadExtensionFunction::GetProfile() const {
return Profile::FromBrowserContext(context_);
}
bool ChromeUIThreadExtensionFunction::CanOperateOnWindow(
const extensions::WindowController* window_controller) const {
// |extension()| is NULL for unit tests only.
if (extension() != NULL &&
!window_controller->IsVisibleToExtension(extension())) {
return false;
}
if (GetProfile() == window_controller->profile())
return true;
if (!include_incognito())
return false;
return GetProfile()->HasOffTheRecordProfile() &&
GetProfile()->GetOffTheRecordProfile() == window_controller->profile();
}
// TODO(stevenjb): Replace this with GetExtensionWindowController().
Browser* ChromeUIThreadExtensionFunction::GetCurrentBrowser() {
// If the delegate has an associated browser, return it.
if (dispatcher()) {
extensions::WindowController* window_controller =
dispatcher()->delegate()->GetExtensionWindowController();
if (window_controller) {
Browser* browser = window_controller->GetBrowser();
if (browser)
return browser;
}
}
// Otherwise, try to default to a reasonable browser. If |include_incognito_|
// is true, we will also search browsers in the incognito version of this
// profile. Note that the profile may already be incognito, in which case
// we will search the incognito version only, regardless of the value of
// |include_incognito|. Look only for browsers on the active desktop as it is
// preferable to pretend no browser is open then to return a browser on
// another desktop.
if (render_view_host_) {
Profile* profile = Profile::FromBrowserContext(
render_view_host_->GetProcess()->GetBrowserContext());
Browser* browser = chrome::FindAnyBrowser(
profile, include_incognito_, chrome::GetActiveDesktop());
if (browser)
return browser;
}
// NOTE(rafaelw): This can return NULL in some circumstances. In particular,
// a background_page onload chrome.tabs api call can make it into here
// before the browser is sufficiently initialized to return here, or
// all of this profile's browser windows may have been closed.
// A similar situation may arise during shutdown.
// TODO(rafaelw): Delay creation of background_page until the browser
// is available. http://code.google.com/p/chromium/issues/detail?id=13284
return NULL;
}
extensions::WindowController*
ChromeUIThreadExtensionFunction::GetExtensionWindowController() {
// If the delegate has an associated window controller, return it.
if (dispatcher()) {
extensions::WindowController* window_controller =
dispatcher()->delegate()->GetExtensionWindowController();
if (window_controller)
return window_controller;
}
return extensions::WindowControllerList::GetInstance()
->CurrentWindowForFunction(ChromeExtensionFunctionDetails(this));
}
content::WebContents*
ChromeUIThreadExtensionFunction::GetAssociatedWebContents() {
content::WebContents* web_contents =
UIThreadExtensionFunction::GetAssociatedWebContents();
if (web_contents)
return web_contents;
Browser* browser = GetCurrentBrowser();
if (!browser)
return NULL;
return browser->tab_strip_model()->GetActiveWebContents();
}
ChromeUIThreadExtensionFunction::~ChromeUIThreadExtensionFunction() {
}
ChromeAsyncExtensionFunction::ChromeAsyncExtensionFunction() {
}
ChromeAsyncExtensionFunction::~ChromeAsyncExtensionFunction() {}
ExtensionFunction::ResponseAction ChromeAsyncExtensionFunction::Run() {
return RunAsync() ? RespondLater() : RespondNow(Error(error_));
}
// static
bool ChromeAsyncExtensionFunction::ValidationFailure(
ChromeAsyncExtensionFunction* function) {
return false;
}
ChromeSyncExtensionFunction::ChromeSyncExtensionFunction() {
}
ChromeSyncExtensionFunction::~ChromeSyncExtensionFunction() {}
ExtensionFunction::ResponseAction ChromeSyncExtensionFunction::Run() {
return RespondNow(RunSync() ? ArgumentList(results_.Pass()) : Error(error_));
}
// static
bool ChromeSyncExtensionFunction::ValidationFailure(
ChromeSyncExtensionFunction* function) {
return false;
}
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