Source/WebKit2/UIProcess/API/efl/tizen/TextSelectionHandle.cpp

   1 /*
   2  * Copyright (C) 2012 Samsung Electronics
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27
  28 #if ENABLE(TIZEN_WEBKIT2_TEXT_SELECTION)
  29 #include "TextSelectionHandle.h"
  30
  31 #include <Edje.h>
  32
  33 using namespace WebCore;
  34
  35 namespace WebKit {
  36
  37 Ecore_Job* TextSelectionHandle::s_job = 0;
  38
  39 TextSelectionHandle::TextSelectionHandle(Evas_Object* object, const char* themePath, const char* part, bool isLeft, TextSelection* textSelection)
  40     : m_isLeft(isLeft)
  41     , m_widget(object)
  42     , m_textSelection(textSelection)
  43     , m_position(IntPoint(0, 0))
  44     , m_isMouseDowned(false)
  45     , m_isTop(false)
  46 {
  47     Evas* evas = evas_object_evas_get(object);
  48     m_icon = edje_object_add(evas);
  49
  50     if (!m_icon)
  51         return;
  52
  53     if (!edje_object_file_set(m_icon, themePath, part))
  54         return;
  55
  56     edje_object_signal_emit(m_icon, "edje,focus,in", "edje");
  57     edje_object_signal_emit(m_icon, "elm,state,bottom", "elm");
  58     evas_object_smart_member_add(m_icon, object);
  59
  60     evas_object_propagate_events_set(m_icon, false);
  61     evas_object_event_callback_add(m_icon, EVAS_CALLBACK_MOUSE_DOWN, onMouseDown, this);
  62     evas_object_event_callback_add(m_icon, EVAS_CALLBACK_MOUSE_MOVE, onMouseMove, this);
  63     evas_object_event_callback_add(m_icon, EVAS_CALLBACK_MOUSE_UP, onMouseUp, this);
  64 }
  65
  66 TextSelectionHandle::~TextSelectionHandle()
  67 {
  68     evas_object_event_callback_del(m_icon, EVAS_CALLBACK_MOUSE_DOWN, onMouseDown);
  69     evas_object_event_callback_del(m_icon, EVAS_CALLBACK_MOUSE_MOVE, onMouseMove);
  70     evas_object_event_callback_del(m_icon, EVAS_CALLBACK_MOUSE_UP, onMouseUp);
  71     evas_object_del(m_icon);
  72     if (s_job) {
  73         ecore_job_del(s_job);
  74         s_job = 0;
  75     }
  76 }
  77
  78 void TextSelectionHandle::move(const IntPoint& point, const IntRect& selectionRect)
  79 {
  80     IntPoint movePoint = point;
  81     int x, y, deviceWidth, deviceHeight;
  82     evas_object_geometry_get(m_widget, &x, &y, &deviceWidth, &deviceHeight);
  83     IntRect handleRect = getHandleRect();
  84
  85     if ((movePoint.y() + handleRect.height()) > (y + deviceHeight)) {
  86         movePoint.setY(movePoint.y() - selectionRect.height());
  87         edje_object_signal_emit(m_icon, "elm,state,top", "elm");
  88         m_isTop = true;
  89     } else {
  90         edje_object_signal_emit(m_icon, "elm,state,bottom", "elm");
  91         m_isTop = false;
  92     }
  93
  94     evas_object_move(m_icon, movePoint.x(), movePoint.y());
  95     m_position = movePoint;
  96 }
  97
  98 void TextSelectionHandle::show()
  99 {
 100     evas_object_show(m_icon);
 101 }
 102
 103 void TextSelectionHandle::hide()
 104 {
 105     evas_object_hide(m_icon);
 106 }
 107
 108 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 109 const IntRect TextSelectionHandle::getHandleRect()
 110 {
 111     if (!evas_object_visible_get(m_icon))
 112         return IntRect();
 113
 114     int x, y;
 115     evas_object_geometry_get(m_icon, &x, &y, 0, 0);
 116
 117     int partX, partY, partWidth, partHeight;
 118     edje_object_part_geometry_get(m_icon, "handle", &partX, &partY, &partWidth, &partHeight);
 119
 120     WebCore::IntRect handleRect(x + partX, y + partY, partWidth, partHeight);
 121     return handleRect;
 122 }
 123 #endif
 124
 125 // callbacks
 126 void TextSelectionHandle::mouseDown(const IntPoint& point)
 127 {
 128 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 129     edje_object_signal_emit(m_icon, "mouse,down,1", "handle");
 130 #endif
 131
 132     setIsMouseDowned(true);
 133     setFirstDownMousePosition(point);
 134     setMousePosition(point);
 135     m_textSelection->handleMouseDown(this, m_mousePosition);
 136 }
 137
 138 void TextSelectionHandle::mouseMove(const IntPoint& point)
 139 {
 140     if (!m_textSelection->isMagnifierVisible())
 141         return;
 142
 143     setMousePosition(point);
 144
 145     if (!s_job)
 146        s_job = ecore_job_add(update, this);
 147 }
 148
 149 void TextSelectionHandle::mouseUp()
 150 {
 151 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 152     edje_object_signal_emit(m_icon, "mouse,up,1", "handle");
 153 #endif
 154
 155     m_textSelection->handleMouseUp(this, m_mousePosition);
 156 }
 157
 158 void TextSelectionHandle::onMouseDown(void* data, Evas*, Evas_Object*, void* eventInfo)
 159 {
 160     Evas_Event_Mouse_Down* event = static_cast<Evas_Event_Mouse_Down*>(eventInfo);
 161     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 162
 163     handle->mouseDown(IntPoint(event->canvas.x, event->canvas.y));
 164 }
 165
 166 void TextSelectionHandle::onMouseMove(void* data, Evas*, Evas_Object*, void* eventInfo)
 167 {
 168     Evas_Event_Mouse_Move* event = static_cast<Evas_Event_Mouse_Move*>(eventInfo);
 169     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 170
 171     handle->mouseMove(IntPoint(event->cur.canvas.x, event->cur.canvas.y));
 172 }
 173
 174 void TextSelectionHandle::onMouseUp(void* data, Evas*, Evas_Object*, void* eventInfo)
 175 {
 176     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 177
 178     handle->mouseUp();
 179 }
 180
 181 // job
 182 void TextSelectionHandle::update(void* data)
 183 {
 184     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 185     int deltaX = handle->m_mousePosition.x() - handle->m_firstDownMousePosition.x();
 186     int deltaY = handle->m_mousePosition.y() - handle->m_firstDownMousePosition.y();
 187
 188     if (deltaX || deltaY) {
 189         WebCore::IntPoint movePosition;
 190
 191         movePosition.setX(handle->m_basePositionForMove.x() + deltaX);
 192         movePosition.setY(handle->m_basePositionForMove.y() + deltaY);
 193
 194         handle->m_textSelection->handleMouseMove(handle, movePosition);
 195     }
 196     TextSelectionHandle::s_job = 0;
 197 }
 198
 199 } // namespace WebKit
 200
 201 #endif // TIZEN_WEBKIT2_TEXT_SELECTION