444 lines
17 KiB
C++
444 lines
17 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 BogDan Vatra <bogdan@kde.org>
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "androidjnimenu.h"
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#include "androidjnimain.h"
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#include "qandroidplatformmenubar.h"
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#include "qandroidplatformmenu.h"
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#include "qandroidplatformmenuitem.h"
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#include <QMutex>
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#include <QSet>
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#include <QQueue>
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#include <QWindow>
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QT_BEGIN_NAMESPACE
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using namespace QtAndroid;
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namespace QtAndroidMenu
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{
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static QQueue<QAndroidPlatformMenu *> pendingContextMenus;
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static QAndroidPlatformMenu *visibleMenu = 0;
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static QMutex visibleMenuMutex(QMutex::Recursive);
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static QSet<QAndroidPlatformMenuBar *> menuBars;
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static QAndroidPlatformMenuBar *visibleMenuBar = 0;
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static QWindow *activeTopLevelWindow = 0;
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static QMutex menuBarMutex(QMutex::Recursive);
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static jmethodID openContextMenuMethodID = 0;
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static jmethodID closeContextMenuMethodID = 0;
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static jmethodID resetOptionsMenuMethodID = 0;
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static jmethodID openOptionsMenuMethodID = 0;
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static jmethodID clearMenuMethodID = 0;
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static jmethodID addMenuItemMethodID = 0;
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static int menuNoneValue = 0;
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static jmethodID setHeaderTitleContextMenuMethodID = 0;
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static jmethodID setCheckableMenuItemMethodID = 0;
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static jmethodID setCheckedMenuItemMethodID = 0;
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static jmethodID setEnabledMenuItemMethodID = 0;
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static jmethodID setIconMenuItemMethodID = 0;
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static jmethodID setVisibleMenuItemMethodID = 0;
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void resetMenuBar()
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{
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AttachedJNIEnv env;
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if (env.jniEnv)
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env.jniEnv->CallStaticVoidMethod(applicationClass(), resetOptionsMenuMethodID);
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}
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void openOptionsMenu()
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{
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AttachedJNIEnv env;
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if (env.jniEnv)
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env.jniEnv->CallStaticVoidMethod(applicationClass(), openOptionsMenuMethodID);
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}
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void showContextMenu(QAndroidPlatformMenu *menu, JNIEnv *env)
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{
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QMutexLocker lock(&visibleMenuMutex);
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if (visibleMenu) {
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pendingContextMenus.enqueue(menu);
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} else {
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visibleMenu = menu;
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menu->aboutToShow();
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if (env) {
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env->CallStaticVoidMethod(applicationClass(), openContextMenuMethodID);
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} else {
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AttachedJNIEnv aenv;
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if (aenv.jniEnv)
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aenv.jniEnv->CallStaticVoidMethod(applicationClass(), openContextMenuMethodID);
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}
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}
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}
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void hideContextMenu(QAndroidPlatformMenu *menu)
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{
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QMutexLocker lock(&visibleMenuMutex);
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if (visibleMenu == menu) {
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AttachedJNIEnv env;
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if (env.jniEnv)
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env.jniEnv->CallStaticVoidMethod(applicationClass(), openContextMenuMethodID);
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} else {
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pendingContextMenus.removeOne(menu);
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}
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}
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void syncMenu(QAndroidPlatformMenu */*menu*/)
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{
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// QMutexLocker lock(&visibleMenuMutex);
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// if (visibleMenu == menu)
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// {
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// hideContextMenu(menu);
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// showContextMenu(menu);
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// }
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}
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void androidPlatformMenuDestroyed(QAndroidPlatformMenu *menu)
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{
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QMutexLocker lock(&visibleMenuMutex);
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if (visibleMenu == menu)
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visibleMenu = 0;
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}
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void setMenuBar(QAndroidPlatformMenuBar *menuBar, QWindow *window)
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{
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if (activeTopLevelWindow == window && visibleMenuBar != menuBar) {
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visibleMenuBar = menuBar;
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resetMenuBar();
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}
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}
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void setActiveTopLevelWindow(QWindow *window)
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{
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Qt::WindowFlags flags = window ? window->flags() : Qt::WindowFlags();
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if (!window)
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return;
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bool isNonRegularWindow = flags & (Qt::Desktop | Qt::Popup | Qt::Dialog | Qt::Sheet) & ~Qt::Window;
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if (isNonRegularWindow)
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return;
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QMutexLocker lock(&menuBarMutex);
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if (activeTopLevelWindow == window)
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return;
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visibleMenuBar = 0;
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activeTopLevelWindow = window;
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foreach (QAndroidPlatformMenuBar *menuBar, menuBars) {
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if (menuBar->parentWindow() == window) {
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visibleMenuBar = menuBar;
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resetMenuBar();
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break;
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}
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}
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}
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void addMenuBar(QAndroidPlatformMenuBar *menuBar)
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{
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QMutexLocker lock(&menuBarMutex);
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menuBars.insert(menuBar);
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}
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void removeMenuBar(QAndroidPlatformMenuBar *menuBar)
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{
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QMutexLocker lock(&menuBarMutex);
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menuBars.remove(menuBar);
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if (visibleMenuBar == menuBar) {
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visibleMenuBar = 0;
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resetMenuBar();
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}
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}
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static QString removeAmpersandEscapes(QString s)
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{
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int i = 0;
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while (i < s.size()) {
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++i;
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if (s.at(i-1) != QLatin1Char('&'))
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continue;
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if (i < s.size() && s.at(i) == QLatin1Char('&'))
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++i;
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s.remove(i-1,1);
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}
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return s.trimmed();
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}
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static void fillMenuItem(JNIEnv *env, jobject menuItem, bool checkable, bool checked, bool enabled, bool visible, const QIcon &icon=QIcon())
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{
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env->DeleteLocalRef(env->CallObjectMethod(menuItem, setCheckableMenuItemMethodID, checkable));
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env->DeleteLocalRef(env->CallObjectMethod(menuItem, setCheckedMenuItemMethodID, checked));
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env->DeleteLocalRef(env->CallObjectMethod(menuItem, setEnabledMenuItemMethodID, enabled));
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if (!icon.isNull()) { // isNull() only checks the d pointer, not the actual image data.
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int sz = qMax(36, qgetenv("QT_ANDROID_APP_ICON_SIZE").toInt());
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QImage img = icon.pixmap(QSize(sz,sz),
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enabled
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? QIcon::Normal
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: QIcon::Disabled,
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QIcon::On).toImage();
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if (!img.isNull()) { // Make sure we have a valid image.
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env->DeleteLocalRef(env->CallObjectMethod(menuItem,
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setIconMenuItemMethodID,
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createBitmapDrawable(createBitmap(img, env), env)));
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}
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}
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env->DeleteLocalRef(env->CallObjectMethod(menuItem, setVisibleMenuItemMethodID, visible));
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}
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static int addAllMenuItemsToMenu(JNIEnv *env, jobject menu, QAndroidPlatformMenu *platformMenu) {
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int order = 0;
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QMutexLocker lock(platformMenu->menuItemsMutex());
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foreach (QAndroidPlatformMenuItem *item, platformMenu->menuItems()) {
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if (item->isSeparator())
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continue;
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QString itemText = removeAmpersandEscapes(item->text());
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jstring jtext = env->NewString(reinterpret_cast<const jchar *>(itemText.data()),
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itemText.length());
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jobject menuItem = env->CallObjectMethod(menu,
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addMenuItemMethodID,
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menuNoneValue,
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int(item->tag()),
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order++,
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jtext);
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env->DeleteLocalRef(jtext);
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fillMenuItem(env,
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menuItem,
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item->isCheckable(),
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item->isChecked(),
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item->isEnabled(),
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item->isVisible(),
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item->icon());
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env->DeleteLocalRef(menuItem);
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}
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return order;
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}
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static jboolean onPrepareOptionsMenu(JNIEnv *env, jobject /*thiz*/, jobject menu)
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{
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env->CallVoidMethod(menu, clearMenuMethodID);
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QMutexLocker lock(&menuBarMutex);
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if (!visibleMenuBar)
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return JNI_FALSE;
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const QAndroidPlatformMenuBar::PlatformMenusType &menus = visibleMenuBar->menus();
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int order = 0;
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QMutexLocker lockMenuBarMutex(visibleMenuBar->menusListMutex());
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if (menus.size() == 1) { // Expand the menu
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order = addAllMenuItemsToMenu(env, menu, static_cast<QAndroidPlatformMenu *>(menus.front()));
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} else {
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foreach (QAndroidPlatformMenu *item, menus) {
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QString itemText = removeAmpersandEscapes(item->text());
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jstring jtext = env->NewString(reinterpret_cast<const jchar *>(itemText.data()),
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itemText.length());
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jobject menuItem = env->CallObjectMethod(menu,
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addMenuItemMethodID,
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menuNoneValue,
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int(item->tag()),
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order++,
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jtext);
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env->DeleteLocalRef(jtext);
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fillMenuItem(env,
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menuItem,
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false,
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false,
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item->isEnabled(),
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item->isVisible(),
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item->icon());
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}
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}
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return order ? JNI_TRUE : JNI_FALSE;
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}
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static jboolean onOptionsItemSelected(JNIEnv *env, jobject /*thiz*/, jint menuId, jboolean checked)
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{
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QMutexLocker lock(&menuBarMutex);
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if (!visibleMenuBar)
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return JNI_FALSE;
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const QAndroidPlatformMenuBar::PlatformMenusType &menus = visibleMenuBar->menus();
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if (menus.size() == 1) { // Expanded menu
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QAndroidPlatformMenuItem *item = static_cast<QAndroidPlatformMenuItem *>(menus.front()->menuItemForTag(menuId));
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if (item) {
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if (item->menu()) {
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showContextMenu(item->menu(), env);
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} else {
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if (item->isCheckable())
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item->setChecked(checked);
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item->activated();
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}
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}
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} else {
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QAndroidPlatformMenu *menu = static_cast<QAndroidPlatformMenu *>(visibleMenuBar->menuForTag(menuId));
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if (menu)
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showContextMenu(menu, env);
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}
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return JNI_TRUE;
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}
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static void onOptionsMenuClosed(JNIEnv */*env*/, jobject /*thiz*/, jobject /*menu*/)
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{
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}
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static void onCreateContextMenu(JNIEnv *env, jobject /*thiz*/, jobject menu)
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{
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env->CallVoidMethod(menu, clearMenuMethodID);
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QMutexLocker lock(&visibleMenuMutex);
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if (!visibleMenu)
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return;
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QString menuText = removeAmpersandEscapes(visibleMenu->text());
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jstring jtext = env->NewString(reinterpret_cast<const jchar*>(menuText.data()),
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menuText.length());
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env->CallObjectMethod(menu, setHeaderTitleContextMenuMethodID, jtext);
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env->DeleteLocalRef(jtext);
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addAllMenuItemsToMenu(env, menu, visibleMenu);
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}
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static jboolean onContextItemSelected(JNIEnv *env, jobject /*thiz*/, jint menuId, jboolean checked)
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{
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QMutexLocker lock(&visibleMenuMutex);
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QAndroidPlatformMenuItem * item = static_cast<QAndroidPlatformMenuItem *>(visibleMenu->menuItemForTag(menuId));
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if (item) {
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if (item->menu()) {
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showContextMenu(item->menu(), env);
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} else {
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if (item->isCheckable())
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item->setChecked(checked);
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item->activated();
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}
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}
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return JNI_TRUE;
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}
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static void onContextMenuClosed(JNIEnv *env, jobject /*thiz*/, jobject /*menu*/)
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{
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QMutexLocker lock(&visibleMenuMutex);
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if (!visibleMenu)
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return;
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visibleMenu->aboutToHide();
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visibleMenu = 0;
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if (!pendingContextMenus.empty())
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showContextMenu(pendingContextMenus.dequeue(), env);
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}
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static JNINativeMethod methods[] = {
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{"onPrepareOptionsMenu", "(Landroid/view/Menu;)Z", (void *)onPrepareOptionsMenu},
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{"onOptionsItemSelected", "(IZ)Z", (void *)onOptionsItemSelected},
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{"onOptionsMenuClosed", "(Landroid/view/Menu;)V", (void*)onOptionsMenuClosed},
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{"onCreateContextMenu", "(Landroid/view/ContextMenu;)V", (void *)onCreateContextMenu},
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{"onContextItemSelected", "(IZ)Z", (void *)onContextItemSelected},
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{"onContextMenuClosed", "(Landroid/view/Menu;)V", (void*)onContextMenuClosed},
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};
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#define FIND_AND_CHECK_CLASS(CLASS_NAME) \
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clazz = env->FindClass(CLASS_NAME); \
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if (!clazz) { \
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__android_log_print(ANDROID_LOG_FATAL, qtTagText(), classErrorMsgFmt(), CLASS_NAME); \
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return false; \
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}
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#define GET_AND_CHECK_METHOD(VAR, CLASS, METHOD_NAME, METHOD_SIGNATURE) \
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VAR = env->GetMethodID(CLASS, METHOD_NAME, METHOD_SIGNATURE); \
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if (!VAR) { \
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__android_log_print(ANDROID_LOG_FATAL, qtTagText(), methodErrorMsgFmt(), METHOD_NAME, METHOD_SIGNATURE); \
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return false; \
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}
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#define GET_AND_CHECK_STATIC_METHOD(VAR, CLASS, METHOD_NAME, METHOD_SIGNATURE) \
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VAR = env->GetStaticMethodID(CLASS, METHOD_NAME, METHOD_SIGNATURE); \
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if (!VAR) { \
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__android_log_print(ANDROID_LOG_FATAL, qtTagText(), methodErrorMsgFmt(), METHOD_NAME, METHOD_SIGNATURE); \
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return false; \
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}
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#define GET_AND_CHECK_STATIC_FIELD(VAR, CLASS, FIELD_NAME, FIELD_SIGNATURE) \
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VAR = env->GetStaticFieldID(CLASS, FIELD_NAME, FIELD_SIGNATURE); \
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if (!VAR) { \
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__android_log_print(ANDROID_LOG_FATAL, qtTagText(), methodErrorMsgFmt(), FIELD_NAME, FIELD_SIGNATURE); \
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return false; \
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}
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bool registerNatives(JNIEnv *env)
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{
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jclass appClass = applicationClass();
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if (env->RegisterNatives(appClass, methods, sizeof(methods) / sizeof(methods[0])) < 0) {
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__android_log_print(ANDROID_LOG_FATAL,"Qt", "RegisterNatives failed");
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return false;
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}
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GET_AND_CHECK_STATIC_METHOD(openContextMenuMethodID, appClass, "openContextMenu", "()V");
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GET_AND_CHECK_STATIC_METHOD(closeContextMenuMethodID, appClass, "closeContextMenu", "()V");
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GET_AND_CHECK_STATIC_METHOD(resetOptionsMenuMethodID, appClass, "resetOptionsMenu", "()V");
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GET_AND_CHECK_STATIC_METHOD(openOptionsMenuMethodID, appClass, "openOptionsMenu", "()V");
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jclass clazz;
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FIND_AND_CHECK_CLASS("android/view/Menu");
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GET_AND_CHECK_METHOD(clearMenuMethodID, clazz, "clear", "()V");
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GET_AND_CHECK_METHOD(addMenuItemMethodID, clazz, "add", "(IIILjava/lang/CharSequence;)Landroid/view/MenuItem;");
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jfieldID menuNoneFiledId;
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GET_AND_CHECK_STATIC_FIELD(menuNoneFiledId, clazz, "NONE", "I");
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menuNoneValue = env->GetStaticIntField(clazz, menuNoneFiledId);
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FIND_AND_CHECK_CLASS("android/view/ContextMenu");
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GET_AND_CHECK_METHOD(setHeaderTitleContextMenuMethodID, clazz, "setHeaderTitle","(Ljava/lang/CharSequence;)Landroid/view/ContextMenu;");
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FIND_AND_CHECK_CLASS("android/view/MenuItem");
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GET_AND_CHECK_METHOD(setCheckableMenuItemMethodID, clazz, "setCheckable", "(Z)Landroid/view/MenuItem;");
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GET_AND_CHECK_METHOD(setCheckedMenuItemMethodID, clazz, "setChecked", "(Z)Landroid/view/MenuItem;");
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GET_AND_CHECK_METHOD(setEnabledMenuItemMethodID, clazz, "setEnabled", "(Z)Landroid/view/MenuItem;");
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GET_AND_CHECK_METHOD(setIconMenuItemMethodID, clazz, "setIcon", "(Landroid/graphics/drawable/Drawable;)Landroid/view/MenuItem;");
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GET_AND_CHECK_METHOD(setVisibleMenuItemMethodID, clazz, "setVisible", "(Z)Landroid/view/MenuItem;");
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return true;
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}
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}
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QT_END_NAMESPACE
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