services/SimpleUI/ViewManager.cpp

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /*
  18  * ViewManager.cpp
  19  *
  20  *  Created on: Sep 11, 2015
  21  *      Author: m.lapinski@samsung.com
  22  */
  23
  24 #include <Elementary.h>
  25 #include <Ecore.h>
  26 #include <Ecore_Wayland.h>
  27 #include <string>
  28
  29 #include "ViewManager.h"
  30 #include "core/BrowserLogger.h"
  31 #include "core/ServiceManager/Debug/BrowserAssert.h"
  32
  33 namespace tizen_browser{
  34 namespace base_ui{
  35
  36 ViewManager::ViewManager(Evas_Object* parentWindow)
  37    : m_mainLayout(nullptr)
  38    , m_parentWindow(parentWindow)
  39 {
  40     BROWSER_LOGD("[%s:%d] ", __PRETTY_FUNCTION__, __LINE__);
  41     M_ASSERT(parentWindow);
  42     m_mainLayout = elm_layout_add(parentWindow);
  43     evas_object_size_hint_weight_set(m_mainLayout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  44     evas_object_size_hint_align_set (m_mainLayout, EVAS_HINT_FILL, EVAS_HINT_FILL);
  45
  46     Eina_Bool ret = elm_layout_file_set(m_mainLayout,
  47                                         (std::string(EDJE_DIR)
  48                                         + std::string("SimpleUI/ViewManager.edj")).c_str(),
  49                                         "main_layout");
  50     if (!ret)
  51         BROWSER_LOGD("[%s:%d]  elm_layout_file_set falied !!!",__PRETTY_FUNCTION__, __LINE__);
  52
  53     elm_win_resize_object_add(parentWindow, m_mainLayout);
  54     evas_object_show(m_mainLayout);
  55 }
  56
  57 void ViewManager::popStackTo(interfaces::AbstractUIComponent* view)
  58 {
  59     BROWSER_LOGD("[%s:%d] ", __PRETTY_FUNCTION__, __LINE__);
  60     M_ASSERT(view);
  61     interfaces::AbstractUIComponent* previousView = m_viewStack.top();
  62
  63     while(!m_viewStack.empty() && m_viewStack.top() != view)
  64     {
  65         m_viewStack.pop();
  66     }
  67     updateLayout(previousView);
  68     BROWSER_LOGD("[%s:%d] new top: %p", __PRETTY_FUNCTION__, __LINE__, topOfStack());
  69 }
  70
  71 void ViewManager::popTheStack()
  72 {
  73     BROWSER_LOGD("[%s:%d] ", __PRETTY_FUNCTION__, __LINE__);
  74     if(!m_viewStack.empty())
  75     {
  76         interfaces::AbstractUIComponent* previousView = m_viewStack.top();
  77         m_viewStack.pop();
  78         updateLayout(previousView);
  79     }
  80     BROWSER_LOGD("[%s:%d] new top: %p", __PRETTY_FUNCTION__, __LINE__, topOfStack());
  81 }
  82
  83 void ViewManager::pushViewToStack(interfaces::AbstractUIComponent* view)
  84 {
  85     BROWSER_LOGD("[%s:%d] ", __PRETTY_FUNCTION__, __LINE__);
  86
  87     M_ASSERT(view);
  88     if (topOfStack() == view)
  89     {
  90        BROWSER_LOGD("[%s:%d] View %p is already on stack !!!",
  91                           __PRETTY_FUNCTION__, __LINE__, view);
  92        return;
  93     }
  94     interfaces::AbstractUIComponent* previousView = topOfStack();
  95     m_viewStack.push(view);
  96     updateLayout(previousView);
  97     BROWSER_LOGD("[%s:%d] new top: %p", __PRETTY_FUNCTION__, __LINE__, topOfStack());
  98 }
  99
 100
 101 void ViewManager::updateLayout(interfaces::AbstractUIComponent* previousView)
 102 {
 103     BROWSER_LOGD("[%s:%d] ", __PRETTY_FUNCTION__, __LINE__);
 104     Evas_Object* swallowed = elm_layout_content_get(m_mainLayout, "content");
 105     if (!m_viewStack.empty())
 106     {
 107         if (m_viewStack.top()->getContent() == swallowed)
 108         {
 109             BROWSER_LOGD("[%s:%d] Top of stack is already visible!!!",
 110                          __PRETTY_FUNCTION__, __LINE__);
 111             return;
 112         }
 113         if(previousView)
 114             previousView->hideUI();
 115         elm_layout_content_unset(m_mainLayout, "content");
 116         elm_layout_content_set(m_mainLayout, "content", m_viewStack.top()->getContent());
 117
 118         m_viewStack.top()->showUI();
 119     }
 120     else
 121     {
 122         BROWSER_LOGD("[%s:%d] Stack is empty!!!",__PRETTY_FUNCTION__, __LINE__);
 123         if(previousView)
 124              previousView->hideUI();
 125
 126         elm_layout_content_unset(m_mainLayout, "content");
 127         elm_layout_content_set(m_mainLayout, "content", nullptr);
 128     }
 129 }
 130
 131 Evas_Object* ViewManager::getContent()
 132 {
 133     M_ASSERT(m_mainLayout);
 134     return m_mainLayout;
 135 }
 136
 137
 138 interfaces::AbstractUIComponent* ViewManager::topOfStack()
 139 {
 140     if(!m_viewStack.empty())
 141         return m_viewStack.top();
 142     else
 143         return nullptr;
 144 }
 145
 146 }//namespace base_ui
 147 }//names1pace tizen_browser