// Copyright (c) 2014 The Chromium Embedded Framework 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 "focus_handler.h"

#include "include/base/cef_bind.h"

#include "include/wrapper/cef_closure_task.h"

#include "client_handler.h"

#include "jni_util.h"

#include "util.h"

FocusHandler::FocusHandler(JNIEnv* env, jobject handler) {

jhandler_ = env->NewGlobalRef(handler);

}

FocusHandler::~FocusHandler() {

JNIEnv* env = GetJNIEnv();

env->DeleteGlobalRef(jhandler_);

}

void FocusHandler::OnTakeFocus(CefRefPtr<CefBrowser> browser, bool next) {

JNIEnv* env = GetJNIEnv();

if (!env)

return;

JNI_CALL_VOID_METHOD(env, jhandler_, "onTakeFocus",

"(Lorg/cef/browser/CefBrowser;Z)V",

GetJNIBrowser(browser), (jboolean)next);

}

#if defined(OS_WIN)

static void FocusParent(HWND browserHandle) {

HWND parent = GetParent(browserHandle);

SetActiveWindow(parent);

SetFocus(parent);

}

#endif

bool FocusHandler::OnSetFocus(CefRefPtr<CefBrowser> browser,

FocusSource source) {

JNIEnv* env = GetJNIEnv();

if (!env)

return false;

jboolean jreturn = JNI_FALSE;

jobject jsource = NULL;

switch (source) {

JNI_CASE(env, "org/cef/handler/CefFocusHandler$FocusSource",

FOCUS_SOURCE_NAVIGATION, jsource);

default:

JNI_CASE(env, "org/cef/handler/CefFocusHandler$FocusSource",

FOCUS_SOURCE_SYSTEM, jsource);

}

JNI_CALL_METHOD(env, jhandler_, "onSetFocus",

"(Lorg/cef/browser/CefBrowser;Lorg/cef/handler/"

"CefFocusHandler$FocusSource;)Z",

Boolean, jreturn, GetJNIBrowser(browser), jsource);

bool result = (jreturn != JNI_FALSE);

#if defined(OS_WIN)

if (result) {

HWND browserHandle = browser->GetHost()->GetWindowHandle();

if (CefCurrentlyOn(TID_UI))

FocusParent(browserHandle);

else

CefPostTask(TID_UI, base::Bind(&FocusParent, browserHandle));

}

#endif

return result;

}

void FocusHandler::OnGotFocus(CefRefPtr<CefBrowser> browser) {

JNIEnv* env = GetJNIEnv();

if (!env)

return;

JNI_CALL_VOID_METHOD(env, jhandler_, "onGotFocus",

"(Lorg/cef/browser/CefBrowser;)V",

GetJNIBrowser(browser));

}