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// Copyright 2014 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_details.h"
#include "chrome/browser/extensions/extension_tab_util.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/browser_window.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/browser/extension_function.h"
#include "extensions/browser/extension_function_dispatcher.h"
using content::WebContents;
using content::RenderViewHost;
using extensions::WindowController;
ChromeExtensionFunctionDetails::ChromeExtensionFunctionDetails(
UIThreadExtensionFunction* function)
: function_(function) {
}
ChromeExtensionFunctionDetails::~ChromeExtensionFunctionDetails() {
}
Profile* ChromeExtensionFunctionDetails::GetProfile() const {
return Profile::FromBrowserContext(function_->browser_context());
}
// TODO(stevenjb): Replace this with GetExtensionWindowController().
Browser* ChromeExtensionFunctionDetails::GetCurrentBrowser() const {
// If the delegate has an associated browser, return it.
if (function_->dispatcher()) {
extensions::WindowController* window_controller =
function_->dispatcher()->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 (function_->render_frame_host()) {
Profile* profile = Profile::FromBrowserContext(
function_->render_frame_host()->GetProcess()->GetBrowserContext());
Browser* browser =
chrome::FindAnyBrowser(profile, function_->include_incognito());
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*
ChromeExtensionFunctionDetails::GetExtensionWindowController() const {
// If the delegate has an associated window controller, return it.
if (function_->dispatcher()) {
extensions::WindowController* window_controller =
function_->dispatcher()->GetExtensionWindowController();
if (window_controller)
return window_controller;
}
return extensions::WindowControllerList::GetInstance()
->CurrentWindowForFunction(function_);
}
content::WebContents*
ChromeExtensionFunctionDetails::GetAssociatedWebContents() {
content::WebContents* web_contents = function_->GetAssociatedWebContents();
if (web_contents)
return web_contents;
Browser* browser = GetCurrentBrowser();
if (!browser)
return NULL;
return browser->tab_strip_model()->GetActiveWebContents();
}
content::WebContents* ChromeExtensionFunctionDetails::GetOriginWebContents() {
WebContents* contents = function_->GetSenderWebContents();
if (!contents)
return nullptr;
// Hack: use the existence of a WebContentsModalDialogManager to decide
// whether the sender web contents is visible.
web_modal::WebContentsModalDialogManager* web_contents_modal_dialog_manager =
web_modal::WebContentsModalDialogManager::FromWebContents(contents);
if (web_contents_modal_dialog_manager)
return contents;
// If there is no WebContentsModalDialogManager, then this contents is
// probably the background page for an extension or app.
contents = nullptr;
int source_tab_id = function_->source_tab_id();
if (source_tab_id != TabStripModel::kNoTab) {
// When the request originated from a background page, but there is no
// app window open, check to see if it originated from a tab and display
// the dialog in that tab.
if (extensions::ExtensionTabUtil::GetTabById(
source_tab_id, GetProfile(), true /* include_incognito */, nullptr,
nullptr, &contents, nullptr))
return contents;
}
// Try to find an app window and get its web contents.
const extensions::Extension* extension = function_->extension();
if (extension) {
extensions::AppWindow* window =
extensions::AppWindowRegistry::Get(GetProfile())
->GetCurrentAppWindowForApp(extension->id());
if (window)
return window->web_contents();
}
return contents;
}
gfx::NativeWindow ChromeExtensionFunctionDetails::GetNativeWindowForUI() {
// Try to use WindowControllerList first because WebContents's
// GetTopLevelNativeWindow() can't return the top level window when the tab
// is not focused.
WindowController* controller =
extensions::WindowControllerList::GetInstance()->CurrentWindowForFunction(
function_);
if (controller)
return controller->window()->GetNativeWindow();
// CurrentWindowForFunction() can't find app's window.
WebContents* contents = GetOriginWebContents();
if (contents)
return contents->GetTopLevelNativeWindow();
Browser* browser = chrome::FindBrowserWithProfile(GetProfile());
return browser->window()->GetNativeWindow();
}
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