camerauis/cameraxui/cxui/src/cxuicapturekeyhandler_symbian_p.cpp
branchRCL_3
changeset 54 bac7acad7cb3
parent 53 61bc0f252b2b
child 57 2c87b2808fd7
--- a/camerauis/cameraxui/cxui/src/cxuicapturekeyhandler_symbian_p.cpp	Tue Aug 31 15:03:46 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,195 +0,0 @@
-/*
-* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*   Private implementation for CxuiCaptureKeyHandler
-*/
-
-#include <QVariant>
-#include <QKeyEvent>
-
-#include "cxuicapturekeyhandler_symbian_p.h"
-#include "cxuicapturekeyhandler.h"
-#include "cxutils.h"
-#include "cxeengine.h"
-#include "cxenamespace.h"
-#include "cxefeaturemanager.h"
-
-#include <w32std.h>
-#include <eikon.hrh>
-#include <coemain.h>
-#include <e32keys.h> // for EKeyCamera
-
-namespace {
-    const int CXUI_KEY_PRIORITY = 100;
-    const int CXUI_CAPTURE_KEY_CODE1 = 0xab;
-    const int CXUI_CAPTURE_KEY_CODE2 = 0xf849;
-    const int CXUI_AUTOFOCUS_KEY_CODE1 = 0xe2;
-    const int CXUI_AUTOFOCUS_KEY_CODE2 = 0xf880;
-
-}
-CxuiCaptureKeyHandlerPrivate::CxuiCaptureKeyHandlerPrivate(CxeEngine &aEngine, CxuiCaptureKeyHandler *parent) :
-    q_ptr(parent),
-    mEngine(aEngine),
-    mAutofocusKeyPressed(false),
-    mCaptureKeyPressed(false),
-    mWsSession(CCoeEnv::Static()->WsSession()),
-    mWindowGroup(CCoeEnv::Static()->RootWin())
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    // key codes hardcoded for now
-    // Autofocus key
-    mPrimaryCameraAutofocusKeys.append(CXUI_AUTOFOCUS_KEY_CODE1);
-    mPrimaryCameraAutofocusKeys.append(CXUI_AUTOFOCUS_KEY_CODE2);
-
-    // Capture keys for primary camera
-    mPrimaryCameraCaptureKeys.append(CXUI_CAPTURE_KEY_CODE1);
-    mPrimaryCameraCaptureKeys.append(CXUI_CAPTURE_KEY_CODE2);
-
-    startListeningKeys();
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-CxuiCaptureKeyHandlerPrivate::~CxuiCaptureKeyHandlerPrivate()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    stopListeningKeys();
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Starts listening key events.
-*/
-void CxuiCaptureKeyHandlerPrivate::startListeningKeys()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    // Protect from multiple calls
-    if (mCapturedKeyUpDownHandles.empty() && mCapturedKeyHandles.empty()) {
-
-        int key(0);
-        foreach (key, mPrimaryCameraAutofocusKeys) {
-            CX_DEBUG(("CxuiCaptureKeyHandlerPrivate - hooking autofocus key with scan / key code: %d", key));
-            listenKey(key);
-        }
-        foreach (key, mPrimaryCameraCaptureKeys) {
-            CX_DEBUG(("CxuiCaptureKeyHandlerPrivate - hooking capture key with scan / key code: %d", key));
-            listenKey(key);
-        }
-    }
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Stops listening key events.
-*/
-void CxuiCaptureKeyHandlerPrivate::stopListeningKeys()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    int handle(0);
-    foreach (handle, mCapturedKeyUpDownHandles) {
-        mWindowGroup.CancelCaptureKeyUpAndDowns(handle);
-    }
-    mCapturedKeyUpDownHandles.clear();
-
-    foreach (handle, mCapturedKeyHandles) {
-        mWindowGroup.CancelCaptureKey(handle);
-    }
-    mCapturedKeyHandles.clear();
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-bool CxuiCaptureKeyHandlerPrivate::isAutofocusKeyPressed()
-{
-    return mAutofocusKeyPressed;
-}
-
-bool CxuiCaptureKeyHandlerPrivate::isCaptureKeyPressed()
-{
-    return mCaptureKeyPressed;
-}
-
-bool CxuiCaptureKeyHandlerPrivate::handleKeyEvent(QEvent *event)
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    Q_Q(CxuiCaptureKeyHandler);
-    bool eventWasConsumed = false;
-
-    if (event->type() == QEvent::KeyPress) {
-        QKeyEvent *keyEvent = static_cast<QKeyEvent*> (event);
-        if ( mPrimaryCameraAutofocusKeys.contains(keyEvent->nativeScanCode())
-            && !mAutofocusKeyPressed ) {
-
-            mAutofocusKeyPressed = true;
-            eventWasConsumed = true;
-            emit q->autofocusKeyPressed();
-
-        } else if (mPrimaryCameraCaptureKeys.contains(keyEvent->nativeScanCode())
-            && !mCaptureKeyPressed) {
-            mCaptureKeyPressed = true;
-            eventWasConsumed = true;
-            emit q->captureKeyPressed();
-        }
-    } else if (event->type() == QEvent::KeyRelease) {
-        QKeyEvent *keyEvent = static_cast<QKeyEvent*> (event);
-
-        if ( mPrimaryCameraAutofocusKeys.contains(keyEvent->nativeScanCode())
-            && mAutofocusKeyPressed ) {
-
-            mAutofocusKeyPressed = false;
-            eventWasConsumed = true;
-            emit q->autofocusKeyReleased();
-
-        } else if (mPrimaryCameraCaptureKeys.contains(keyEvent->nativeScanCode())
-            && mCaptureKeyPressed) {
-
-            mCaptureKeyPressed = false;
-            eventWasConsumed = true;
-            emit q->captureKeyReleased();
-        }
-    }
-    CX_DEBUG_EXIT_FUNCTION();
-    return eventWasConsumed;
-}
-
-/*!
-* Helper method to listen to given key (key code or scan code).
-* We need to listen to both "key up", "key down" and "key pressed" events to
-* get all the necessary events to handleKeyEvent(). If we e.g. just listen
-* to up/down events, the way native events are translated to QKeyEvents,
-* we only get QEvent::KeyRelease event when partially in background.
-* @param key Keycode or scancode for the key to listen. Both should be listened.
-*/
-void CxuiCaptureKeyHandlerPrivate::listenKey(int key)
-{
-    // Capture key down and up events
-    int handle = mWindowGroup.CaptureKeyUpAndDowns(key, 0, 0, CXUI_KEY_PRIORITY);
-
-    // Handle < 0 means error.
-    if (handle >= 0) {
-        mCapturedKeyUpDownHandles.append(handle);
-    } else {
-        CX_DEBUG(("[WARNING] CxuiCaptureKeyHandlerPrivate - Problem hooking to key-up/key-down with code: %d", key));
-    }
-
-    // Capture key press events
-    handle = mWindowGroup.CaptureKey(key, 0, 0, CXUI_KEY_PRIORITY);
-
-    if (handle >= 0) {
-        mCapturedKeyHandles.append(handle);
-    } else {
-        CX_DEBUG(("[WARNING] CxuiCaptureKeyHandlerPrivate - Problem hooking to key-press with code: %d", key));
-    }
-}
-
-// end of file