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     const int reverseMargin = 32;
  82     int x, y, deviceWidth, deviceHeight;
  83     int handleHeight;
  84
  85     edje_object_part_geometry_get(m_icon, "handle", 0, 0, 0, &handleHeight);
  86     evas_object_geometry_get(m_widget, &x, &y, &deviceWidth, &deviceHeight);
  87
  88     if ((m_isLeft && (movePoint.x() <= reverseMargin)) || (!m_isLeft && (movePoint.x() >= deviceWidth - reverseMargin))) {
  89         if ((movePoint.y() + handleHeight) > (y + deviceHeight)) {
  90             movePoint.setY(movePoint.y() - selectionRect.height());
  91             edje_object_signal_emit(m_icon, "elm,state,top,reversed", "elm");
  92             m_isTop = true;
  93         } else {
  94             edje_object_signal_emit(m_icon, "elm,state,bottom,reversed", "elm");
  95             m_isTop = false;
  96         }
  97     }
  98     else {
  99         if ((movePoint.y() + handleHeight) > (y + deviceHeight)) {
 100             movePoint.setY(movePoint.y() - selectionRect.height());
 101             edje_object_signal_emit(m_icon, "elm,state,top", "elm");
 102             m_isTop = true;
 103         } else {
 104             edje_object_signal_emit(m_icon, "elm,state,bottom", "elm");
 105             m_isTop = false;
 106         }
 107     }
 108
 109     evas_object_move(m_icon, movePoint.x(), movePoint.y());
 110     m_position = movePoint;
 111
 112 }
 113
 114 void TextSelectionHandle::show()
 115 {
 116     evas_object_show(m_icon);
 117 }
 118
 119 void TextSelectionHandle::hide()
 120 {
 121     evas_object_hide(m_icon);
 122 }
 123
 124 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 125 const IntRect TextSelectionHandle::getHandleRect()
 126 {
 127     if (!evas_object_visible_get(m_icon))
 128         return IntRect();
 129
 130     int x, y;
 131     evas_object_geometry_get(m_icon, &x, &y, 0, 0);
 132
 133     int partX, partY, partWidth, partHeight;
 134     edje_object_part_geometry_get(m_icon, "handle", &partX, &partY, &partWidth, &partHeight);
 135
 136     WebCore::IntRect handleRect(x + partX, y + partY, partWidth, partHeight);
 137     return handleRect;
 138 }
 139 #endif
 140
 141 // callbacks
 142 void TextSelectionHandle::mouseDown(const IntPoint& point)
 143 {
 144 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 145     edje_object_signal_emit(m_icon, "mouse,down,1", "handle");
 146 #endif
 147
 148     setIsMouseDowned(true);
 149     setFirstDownMousePosition(point);
 150     setMousePosition(point);
 151     m_textSelection->handleMouseDown(this, m_mousePosition);
 152 }
 153
 154 void TextSelectionHandle::mouseMove(const IntPoint& point)
 155 {
 156     if (!m_textSelection->isMagnifierVisible())
 157         return;
 158
 159     setMousePosition(point);
 160
 161     if (!s_job)
 162        s_job = ecore_job_add(update, this);
 163 }
 164
 165 void TextSelectionHandle::mouseUp()
 166 {
 167 #if ENABLE(TIZEN_WEBKIT2_FOR_MOVING_TEXT_SELECTION_HANDLE_FROM_OSP)
 168     edje_object_signal_emit(m_icon, "mouse,up,1", "handle");
 169 #endif
 170
 171     if (m_textSelection->isEnabled())
 172         setIsMouseDowned(false);
 173
 174     m_textSelection->handleMouseUp(this, m_mousePosition);
 175 }
 176
 177 void TextSelectionHandle::onMouseDown(void* data, Evas*, Evas_Object*, void* eventInfo)
 178 {
 179     Evas_Event_Mouse_Down* event = static_cast<Evas_Event_Mouse_Down*>(eventInfo);
 180     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 181
 182     handle->mouseDown(IntPoint(event->canvas.x, event->canvas.y));
 183 }
 184
 185 void TextSelectionHandle::onMouseMove(void* data, Evas*, Evas_Object*, void* eventInfo)
 186 {
 187     Evas_Event_Mouse_Move* event = static_cast<Evas_Event_Mouse_Move*>(eventInfo);
 188     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 189
 190     handle->mouseMove(IntPoint(event->cur.canvas.x, event->cur.canvas.y));
 191 }
 192
 193 void TextSelectionHandle::onMouseUp(void* data, Evas*, Evas_Object*, void* eventInfo)
 194 {
 195     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 196
 197     handle->mouseUp();
 198 }
 199
 200 // job
 201 void TextSelectionHandle::update(void* data)
 202 {
 203     TextSelectionHandle* handle = static_cast<TextSelectionHandle*>(data);
 204     int deltaX = handle->m_mousePosition.x() - handle->m_firstDownMousePosition.x();
 205     int deltaY = handle->m_mousePosition.y() - handle->m_firstDownMousePosition.y();
 206
 207     if (deltaX || deltaY) {
 208         WebCore::IntPoint movePosition;
 209
 210         movePosition.setX(handle->m_basePositionForMove.x() + deltaX);
 211         movePosition.setY(handle->m_basePositionForMove.y() + deltaY);
 212
 213         handle->m_textSelection->handleMouseMove(handle, movePosition);
 214     }
 215     TextSelectionHandle::s_job = 0;
 216 }
 217
 218 } // namespace WebKit
 219
 220 #endif // TIZEN_WEBKIT2_TEXT_SELECTION